From 59b89039b677fca7ffbc823efb95b120aee33735 Mon Sep 17 00:00:00 2001
From: David Dias <daviddias.p@gmail.com>
Date: Thu, 3 Mar 2016 17:31:33 +0000
Subject: [PATCH] came to fix a square bracket, ended up touch a bunch of other
 things :)

---
 README.md                   |    28 +-
 dist/peer-id.js             | 24225 ----------------------------------
 dist/peer-id.min.js         |    11 -
 karma.conf.js               |    14 +-
 package.json                |     4 +-
 src/index.js                |    66 +-
 {pb => src/pb}/crypto.proto |     0
 tests/test.js               |    24 +-
 8 files changed, 70 insertions(+), 24302 deletions(-)
 delete mode 100644 dist/peer-id.js
 delete mode 100644 dist/peer-id.min.js
 rename {pb => src/pb}/crypto.proto (100%)

diff --git a/README.md b/README.md
index a7e4131..a36e391 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,11 @@
 peer-id JavaScript implementation
-==============================
+=================================
 
-[![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](http://ipn.io) [[![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23ipfs) ![Build Status](https://travis-ci.org/diasdavid/js-peer-id.svg?style=flat-square)](https://travis-ci.org/diasdavid/js-peer-id) ![](https://img.shields.io/badge/coverage-95%25-yellow.svg?style=flat-square) [![Dependency Status](https://david-dm.org/diasdavid/js-peer-id.svg?style=flat-square)](https://david-dm.org/diasdavid/js-peer-id) [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)
+[![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](http://ipn.io) [[![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23ipfs)
+[![Build Status](https://travis-ci.org/diasdavid/js-peer-id.svg?style=flat-square)](https://travis-ci.org/diasdavid/js-peer-id)
+![](https://img.shields.io/badge/coverage-95%25-yellow.svg?style=flat-square)
+[![Dependency Status](https://david-dm.org/diasdavid/js-peer-id.svg?style=flat-square)](https://david-dm.org/diasdavid/js-peer-id)
+[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)
 > IPFS Peer Id implementation in JavaScript
 
 # Description
@@ -16,11 +20,11 @@ The public key is a base64 encoded string of a protobuf containing an RSA DER bu
 ### In Node.js through npm
 
 ```bash
-$ npm install --save peer-id
+> npm install --save peer-id
 ```
 
 ```javascript
-var PeerId = require('peer-id')
+const PeerId = require('peer-id')
 ```
 
 ### In the Browser through browserify
@@ -32,7 +36,7 @@ Same as in Node.js, you just have to [browserify](https://github.com/substack/no
 Make the [peer-id.min.js](/dist/peer-id.min.js) available through your server and load it using a normal `<script>` tag, this will export the `peerId` constructor on the `window` object, such that:
 
 ```JavaScript
-var PeerId = window.PeerId
+const PeerId = window.PeerId
 ```
 
 #### Gotchas
@@ -42,25 +46,25 @@ You will need to use Node.js `Buffer` API compatible, if you are running inside
 ### Creating a new Id
 
 ```
-var PeerId = require('ipfs-peer')
+const PeerId = require('ipfs-peer')
 
 // Create a new Id
-var id = PeerId.create()
+const id = PeerId.create()
 
 // Recreate an Id from Hex string
-var id = PeerId.createFromHexString(str)
+const id = PeerId.createFromHexString(str)
 
 // Recreate an Id from a Buffer
-var id = PeerId.createFromBytes(buf)
+const id = PeerId.createFromBytes(buf)
 
 // Recreate an B58 String
-var id = PeerId.createFromB58String(str)
+const id = PeerId.createFromB58String(str)
 
 // Recreate from a Public Key
-var id = PeerId.createFromPubKey(pubKey)
+const id = PeerId.createFromPubKey(pubKey)
 
 // Recreate from a Private Key
-var id = PeerId.createFromPrivKey(privKey)
+const id = PeerId.createFromPrivKey(privKey)
 ```
 
 ### Exporting an Id
diff --git a/dist/peer-id.js b/dist/peer-id.js
deleted file mode 100644
index 8fd0e21..0000000
--- a/dist/peer-id.js
+++ /dev/null
@@ -1,24225 +0,0 @@
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.PeerId = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-var asn1 = exports;
-
-asn1.bignum = require('bn.js');
-
-asn1.define = require('./asn1/api').define;
-asn1.base = require('./asn1/base');
-asn1.constants = require('./asn1/constants');
-asn1.decoders = require('./asn1/decoders');
-asn1.encoders = require('./asn1/encoders');
-
-},{"./asn1/api":2,"./asn1/base":4,"./asn1/constants":8,"./asn1/decoders":10,"./asn1/encoders":13,"bn.js":17}],2:[function(require,module,exports){
-var asn1 = require('../asn1');
-var inherits = require('inherits');
-
-var api = exports;
-
-api.define = function define(name, body) {
-  return new Entity(name, body);
-};
-
-function Entity(name, body) {
-  this.name = name;
-  this.body = body;
-
-  this.decoders = {};
-  this.encoders = {};
-};
-
-Entity.prototype._createNamed = function createNamed(base) {
-  var named;
-  try {
-    named = require('vm').runInThisContext(
-      '(function ' + this.name + '(entity) {\n' +
-      '  this._initNamed(entity);\n' +
-      '})'
-    );
-  } catch (e) {
-    named = function (entity) {
-      this._initNamed(entity);
-    };
-  }
-  inherits(named, base);
-  named.prototype._initNamed = function initnamed(entity) {
-    base.call(this, entity);
-  };
-
-  return new named(this);
-};
-
-Entity.prototype._getDecoder = function _getDecoder(enc) {
-  // Lazily create decoder
-  if (!this.decoders.hasOwnProperty(enc))
-    this.decoders[enc] = this._createNamed(asn1.decoders[enc]);
-  return this.decoders[enc];
-};
-
-Entity.prototype.decode = function decode(data, enc, options) {
-  return this._getDecoder(enc).decode(data, options);
-};
-
-Entity.prototype._getEncoder = function _getEncoder(enc) {
-  // Lazily create encoder
-  if (!this.encoders.hasOwnProperty(enc))
-    this.encoders[enc] = this._createNamed(asn1.encoders[enc]);
-  return this.encoders[enc];
-};
-
-Entity.prototype.encode = function encode(data, enc, /* internal */ reporter) {
-  return this._getEncoder(enc).encode(data, reporter);
-};
-
-},{"../asn1":1,"inherits":92,"vm":138}],3:[function(require,module,exports){
-var inherits = require('inherits');
-var Reporter = require('../base').Reporter;
-var Buffer = require('buffer').Buffer;
-
-function DecoderBuffer(base, options) {
-  Reporter.call(this, options);
-  if (!Buffer.isBuffer(base)) {
-    this.error('Input not Buffer');
-    return;
-  }
-
-  this.base = base;
-  this.offset = 0;
-  this.length = base.length;
-}
-inherits(DecoderBuffer, Reporter);
-exports.DecoderBuffer = DecoderBuffer;
-
-DecoderBuffer.prototype.save = function save() {
-  return { offset: this.offset, reporter: Reporter.prototype.save.call(this) };
-};
-
-DecoderBuffer.prototype.restore = function restore(save) {
-  // Return skipped data
-  var res = new DecoderBuffer(this.base);
-  res.offset = save.offset;
-  res.length = this.offset;
-
-  this.offset = save.offset;
-  Reporter.prototype.restore.call(this, save.reporter);
-
-  return res;
-};
-
-DecoderBuffer.prototype.isEmpty = function isEmpty() {
-  return this.offset === this.length;
-};
-
-DecoderBuffer.prototype.readUInt8 = function readUInt8(fail) {
-  if (this.offset + 1 <= this.length)
-    return this.base.readUInt8(this.offset++, true);
-  else
-    return this.error(fail || 'DecoderBuffer overrun');
-}
-
-DecoderBuffer.prototype.skip = function skip(bytes, fail) {
-  if (!(this.offset + bytes <= this.length))
-    return this.error(fail || 'DecoderBuffer overrun');
-
-  var res = new DecoderBuffer(this.base);
-
-  // Share reporter state
-  res._reporterState = this._reporterState;
-
-  res.offset = this.offset;
-  res.length = this.offset + bytes;
-  this.offset += bytes;
-  return res;
-}
-
-DecoderBuffer.prototype.raw = function raw(save) {
-  return this.base.slice(save ? save.offset : this.offset, this.length);
-}
-
-function EncoderBuffer(value, reporter) {
-  if (Array.isArray(value)) {
-    this.length = 0;
-    this.value = value.map(function(item) {
-      if (!(item instanceof EncoderBuffer))
-        item = new EncoderBuffer(item, reporter);
-      this.length += item.length;
-      return item;
-    }, this);
-  } else if (typeof value === 'number') {
-    if (!(0 <= value && value <= 0xff))
-      return reporter.error('non-byte EncoderBuffer value');
-    this.value = value;
-    this.length = 1;
-  } else if (typeof value === 'string') {
-    this.value = value;
-    this.length = Buffer.byteLength(value);
-  } else if (Buffer.isBuffer(value)) {
-    this.value = value;
-    this.length = value.length;
-  } else {
-    return reporter.error('Unsupported type: ' + typeof value);
-  }
-}
-exports.EncoderBuffer = EncoderBuffer;
-
-EncoderBuffer.prototype.join = function join(out, offset) {
-  if (!out)
-    out = new Buffer(this.length);
-  if (!offset)
-    offset = 0;
-
-  if (this.length === 0)
-    return out;
-
-  if (Array.isArray(this.value)) {
-    this.value.forEach(function(item) {
-      item.join(out, offset);
-      offset += item.length;
-    });
-  } else {
-    if (typeof this.value === 'number')
-      out[offset] = this.value;
-    else if (typeof this.value === 'string')
-      out.write(this.value, offset);
-    else if (Buffer.isBuffer(this.value))
-      this.value.copy(out, offset);
-    offset += this.length;
-  }
-
-  return out;
-};
-
-},{"../base":4,"buffer":46,"inherits":92}],4:[function(require,module,exports){
-var base = exports;
-
-base.Reporter = require('./reporter').Reporter;
-base.DecoderBuffer = require('./buffer').DecoderBuffer;
-base.EncoderBuffer = require('./buffer').EncoderBuffer;
-base.Node = require('./node');
-
-},{"./buffer":3,"./node":5,"./reporter":6}],5:[function(require,module,exports){
-var Reporter = require('../base').Reporter;
-var EncoderBuffer = require('../base').EncoderBuffer;
-var assert = require('minimalistic-assert');
-
-// Supported tags
-var tags = [
-  'seq', 'seqof', 'set', 'setof', 'octstr', 'bitstr', 'objid', 'bool',
-  'gentime', 'utctime', 'null_', 'enum', 'int', 'ia5str', 'utf8str'
-];
-
-// Public methods list
-var methods = [
-  'key', 'obj', 'use', 'optional', 'explicit', 'implicit', 'def', 'choice',
-  'any'
-].concat(tags);
-
-// Overrided methods list
-var overrided = [
-  '_peekTag', '_decodeTag', '_use',
-  '_decodeStr', '_decodeObjid', '_decodeTime',
-  '_decodeNull', '_decodeInt', '_decodeBool', '_decodeList',
-
-  '_encodeComposite', '_encodeStr', '_encodeObjid', '_encodeTime',
-  '_encodeNull', '_encodeInt', '_encodeBool'
-];
-
-function Node(enc, parent) {
-  var state = {};
-  this._baseState = state;
-
-  state.enc = enc;
-
-  state.parent = parent || null;
-  state.children = null;
-
-  // State
-  state.tag = null;
-  state.args = null;
-  state.reverseArgs = null;
-  state.choice = null;
-  state.optional = false;
-  state.any = false;
-  state.obj = false;
-  state.use = null;
-  state.useDecoder = null;
-  state.key = null;
-  state['default'] = null;
-  state.explicit = null;
-  state.implicit = null;
-
-  // Should create new instance on each method
-  if (!state.parent) {
-    state.children = [];
-    this._wrap();
-  }
-}
-module.exports = Node;
-
-var stateProps = [
-  'enc', 'parent', 'children', 'tag', 'args', 'reverseArgs', 'choice',
-  'optional', 'any', 'obj', 'use', 'alteredUse', 'key', 'default', 'explicit',
-  'implicit'
-];
-
-Node.prototype.clone = function clone() {
-  var state = this._baseState;
-  var cstate = {};
-  stateProps.forEach(function(prop) {
-    cstate[prop] = state[prop];
-  });
-  var res = new this.constructor(cstate.parent);
-  res._baseState = cstate;
-  return res;
-};
-
-Node.prototype._wrap = function wrap() {
-  var state = this._baseState;
-  methods.forEach(function(method) {
-    this[method] = function _wrappedMethod() {
-      var clone = new this.constructor(this);
-      state.children.push(clone);
-      return clone[method].apply(clone, arguments);
-    };
-  }, this);
-};
-
-Node.prototype._init = function init(body) {
-  var state = this._baseState;
-
-  assert(state.parent === null);
-  body.call(this);
-
-  // Filter children
-  state.children = state.children.filter(function(child) {
-    return child._baseState.parent === this;
-  }, this);
-  assert.equal(state.children.length, 1, 'Root node can have only one child');
-};
-
-Node.prototype._useArgs = function useArgs(args) {
-  var state = this._baseState;
-
-  // Filter children and args
-  var children = args.filter(function(arg) {
-    return arg instanceof this.constructor;
-  }, this);
-  args = args.filter(function(arg) {
-    return !(arg instanceof this.constructor);
-  }, this);
-
-  if (children.length !== 0) {
-    assert(state.children === null);
-    state.children = children;
-
-    // Replace parent to maintain backward link
-    children.forEach(function(child) {
-      child._baseState.parent = this;
-    }, this);
-  }
-  if (args.length !== 0) {
-    assert(state.args === null);
-    state.args = args;
-    state.reverseArgs = args.map(function(arg) {
-      if (typeof arg !== 'object' || arg.constructor !== Object)
-        return arg;
-
-      var res = {};
-      Object.keys(arg).forEach(function(key) {
-        if (key == (key | 0))
-          key |= 0;
-        var value = arg[key];
-        res[value] = key;
-      });
-      return res;
-    });
-  }
-};
-
-//
-// Overrided methods
-//
-
-overrided.forEach(function(method) {
-  Node.prototype[method] = function _overrided() {
-    var state = this._baseState;
-    throw new Error(method + ' not implemented for encoding: ' + state.enc);
-  };
-});
-
-//
-// Public methods
-//
-
-tags.forEach(function(tag) {
-  Node.prototype[tag] = function _tagMethod() {
-    var state = this._baseState;
-    var args = Array.prototype.slice.call(arguments);
-
-    assert(state.tag === null);
-    state.tag = tag;
-
-    this._useArgs(args);
-
-    return this;
-  };
-});
-
-Node.prototype.use = function use(item) {
-  var state = this._baseState;
-
-  assert(state.use === null);
-  state.use = item;
-
-  return this;
-};
-
-Node.prototype.optional = function optional() {
-  var state = this._baseState;
-
-  state.optional = true;
-
-  return this;
-};
-
-Node.prototype.def = function def(val) {
-  var state = this._baseState;
-
-  assert(state['default'] === null);
-  state['default'] = val;
-  state.optional = true;
-
-  return this;
-};
-
-Node.prototype.explicit = function explicit(num) {
-  var state = this._baseState;
-
-  assert(state.explicit === null && state.implicit === null);
-  state.explicit = num;
-
-  return this;
-};
-
-Node.prototype.implicit = function implicit(num) {
-  var state = this._baseState;
-
-  assert(state.explicit === null && state.implicit === null);
-  state.implicit = num;
-
-  return this;
-};
-
-Node.prototype.obj = function obj() {
-  var state = this._baseState;
-  var args = Array.prototype.slice.call(arguments);
-
-  state.obj = true;
-
-  if (args.length !== 0)
-    this._useArgs(args);
-
-  return this;
-};
-
-Node.prototype.key = function key(newKey) {
-  var state = this._baseState;
-
-  assert(state.key === null);
-  state.key = newKey;
-
-  return this;
-};
-
-Node.prototype.any = function any() {
-  var state = this._baseState;
-
-  state.any = true;
-
-  return this;
-};
-
-Node.prototype.choice = function choice(obj) {
-  var state = this._baseState;
-
-  assert(state.choice === null);
-  state.choice = obj;
-  this._useArgs(Object.keys(obj).map(function(key) {
-    return obj[key];
-  }));
-
-  return this;
-};
-
-//
-// Decoding
-//
-
-Node.prototype._decode = function decode(input) {
-  var state = this._baseState;
-
-  // Decode root node
-  if (state.parent === null)
-    return input.wrapResult(state.children[0]._decode(input));
-
-  var result = state['default'];
-  var present = true;
-
-  var prevKey;
-  if (state.key !== null)
-    prevKey = input.enterKey(state.key);
-
-  // Check if tag is there
-  if (state.optional) {
-    var tag = null;
-    if (state.explicit !== null)
-      tag = state.explicit;
-    else if (state.implicit !== null)
-      tag = state.implicit;
-    else if (state.tag !== null)
-      tag = state.tag;
-
-    if (tag === null && !state.any) {
-      // Trial and Error
-      var save = input.save();
-      try {
-        if (state.choice === null)
-          this._decodeGeneric(state.tag, input);
-        else
-          this._decodeChoice(input);
-        present = true;
-      } catch (e) {
-        present = false;
-      }
-      input.restore(save);
-    } else {
-      present = this._peekTag(input, tag, state.any);
-
-      if (input.isError(present))
-        return present;
-    }
-  }
-
-  // Push object on stack
-  var prevObj;
-  if (state.obj && present)
-    prevObj = input.enterObject();
-
-  if (present) {
-    // Unwrap explicit values
-    if (state.explicit !== null) {
-      var explicit = this._decodeTag(input, state.explicit);
-      if (input.isError(explicit))
-        return explicit;
-      input = explicit;
-    }
-
-    // Unwrap implicit and normal values
-    if (state.use === null && state.choice === null) {
-      if (state.any)
-        var save = input.save();
-      var body = this._decodeTag(
-        input,
-        state.implicit !== null ? state.implicit : state.tag,
-        state.any
-      );
-      if (input.isError(body))
-        return body;
-
-      if (state.any)
-        result = input.raw(save);
-      else
-        input = body;
-    }
-
-    // Select proper method for tag
-    if (state.any)
-      result = result;
-    else if (state.choice === null)
-      result = this._decodeGeneric(state.tag, input);
-    else
-      result = this._decodeChoice(input);
-
-    if (input.isError(result))
-      return result;
-
-    // Decode children
-    if (!state.any && state.choice === null && state.children !== null) {
-      var fail = state.children.some(function decodeChildren(child) {
-        // NOTE: We are ignoring errors here, to let parser continue with other
-        // parts of encoded data
-        child._decode(input);
-      });
-      if (fail)
-        return err;
-    }
-  }
-
-  // Pop object
-  if (state.obj && present)
-    result = input.leaveObject(prevObj);
-
-  // Set key
-  if (state.key !== null && (result !== null || present === true))
-    input.leaveKey(prevKey, state.key, result);
-
-  return result;
-};
-
-Node.prototype._decodeGeneric = function decodeGeneric(tag, input) {
-  var state = this._baseState;
-
-  if (tag === 'seq' || tag === 'set')
-    return null;
-  if (tag === 'seqof' || tag === 'setof')
-    return this._decodeList(input, tag, state.args[0]);
-  else if (tag === 'octstr' || tag === 'bitstr')
-    return this._decodeStr(input, tag);
-  else if (tag === 'ia5str' || tag === 'utf8str')
-    return this._decodeStr(input, tag);
-  else if (tag === 'objid' && state.args)
-    return this._decodeObjid(input, state.args[0], state.args[1]);
-  else if (tag === 'objid')
-    return this._decodeObjid(input, null, null);
-  else if (tag === 'gentime' || tag === 'utctime')
-    return this._decodeTime(input, tag);
-  else if (tag === 'null_')
-    return this._decodeNull(input);
-  else if (tag === 'bool')
-    return this._decodeBool(input);
-  else if (tag === 'int' || tag === 'enum')
-    return this._decodeInt(input, state.args && state.args[0]);
-  else if (state.use !== null)
-    return this._getUse(state.use, input._reporterState.obj)._decode(input);
-  else
-    return input.error('unknown tag: ' + tag);
-
-  return null;
-};
-
-Node.prototype._getUse = function _getUse(entity, obj) {
-
-  var state = this._baseState;
-  // Create altered use decoder if implicit is set
-  state.useDecoder = this._use(entity, obj);
-  assert(state.useDecoder._baseState.parent === null);
-  state.useDecoder = state.useDecoder._baseState.children[0];
-  if (state.implicit !== state.useDecoder._baseState.implicit) {
-    state.useDecoder = state.useDecoder.clone();
-    state.useDecoder._baseState.implicit = state.implicit;
-  }
-  return state.useDecoder;
-};
-
-Node.prototype._decodeChoice = function decodeChoice(input) {
-  var state = this._baseState;
-  var result = null;
-  var match = false;
-
-  Object.keys(state.choice).some(function(key) {
-    var save = input.save();
-    var node = state.choice[key];
-    try {
-      var value = node._decode(input);
-      if (input.isError(value))
-        return false;
-
-      result = { type: key, value: value };
-      match = true;
-    } catch (e) {
-      input.restore(save);
-      return false;
-    }
-    return true;
-  }, this);
-
-  if (!match)
-    return input.error('Choice not matched');
-
-  return result;
-};
-
-//
-// Encoding
-//
-
-Node.prototype._createEncoderBuffer = function createEncoderBuffer(data) {
-  return new EncoderBuffer(data, this.reporter);
-};
-
-Node.prototype._encode = function encode(data, reporter, parent) {
-  var state = this._baseState;
-  if (state['default'] !== null && state['default'] === data)
-    return;
-
-  var result = this._encodeValue(data, reporter, parent);
-  if (result === undefined)
-    return;
-
-  if (this._skipDefault(result, reporter, parent))
-    return;
-
-  return result;
-};
-
-Node.prototype._encodeValue = function encode(data, reporter, parent) {
-  var state = this._baseState;
-
-  // Decode root node
-  if (state.parent === null)
-    return state.children[0]._encode(data, reporter || new Reporter());
-
-  var result = null;
-  var present = true;
-
-  // Set reporter to share it with a child class
-  this.reporter = reporter;
-
-  // Check if data is there
-  if (state.optional && data === undefined) {
-    if (state['default'] !== null)
-      data = state['default']
-    else
-      return;
-  }
-
-  // For error reporting
-  var prevKey;
-
-  // Encode children first
-  var content = null;
-  var primitive = false;
-  if (state.any) {
-    // Anything that was given is translated to buffer
-    result = this._createEncoderBuffer(data);
-  } else if (state.choice) {
-    result = this._encodeChoice(data, reporter);
-  } else if (state.children) {
-    content = state.children.map(function(child) {
-      if (child._baseState.tag === 'null_')
-        return child._encode(null, reporter, data);
-
-      if (child._baseState.key === null)
-        return reporter.error('Child should have a key');
-      var prevKey = reporter.enterKey(child._baseState.key);
-
-      if (typeof data !== 'object')
-        return reporter.error('Child expected, but input is not object');
-
-      var res = child._encode(data[child._baseState.key], reporter, data);
-      reporter.leaveKey(prevKey);
-
-      return res;
-    }, this).filter(function(child) {
-      return child;
-    });
-
-    content = this._createEncoderBuffer(content);
-  } else {
-    if (state.tag === 'seqof' || state.tag === 'setof') {
-      // TODO(indutny): this should be thrown on DSL level
-      if (!(state.args && state.args.length === 1))
-        return reporter.error('Too many args for : ' + state.tag);
-
-      if (!Array.isArray(data))
-        return reporter.error('seqof/setof, but data is not Array');
-
-      var child = this.clone();
-      child._baseState.implicit = null;
-      content = this._createEncoderBuffer(data.map(function(item) {
-        var state = this._baseState;
-
-        return this._getUse(state.args[0], data)._encode(item, reporter);
-      }, child));
-    } else if (state.use !== null) {
-      result = this._getUse(state.use, parent)._encode(data, reporter);
-    } else {
-      content = this._encodePrimitive(state.tag, data);
-      primitive = true;
-    }
-  }
-
-  // Encode data itself
-  var result;
-  if (!state.any && state.choice === null) {
-    var tag = state.implicit !== null ? state.implicit : state.tag;
-    var cls = state.implicit === null ? 'universal' : 'context';
-
-    if (tag === null) {
-      if (state.use === null)
-        reporter.error('Tag could be ommited only for .use()');
-    } else {
-      if (state.use === null)
-        result = this._encodeComposite(tag, primitive, cls, content);
-    }
-  }
-
-  // Wrap in explicit
-  if (state.explicit !== null)
-    result = this._encodeComposite(state.explicit, false, 'context', result);
-
-  return result;
-};
-
-Node.prototype._encodeChoice = function encodeChoice(data, reporter) {
-  var state = this._baseState;
-
-  var node = state.choice[data.type];
-  if (!node) {
-    assert(
-        false,
-        data.type + ' not found in ' +
-            JSON.stringify(Object.keys(state.choice)));
-  }
-  return node._encode(data.value, reporter);
-};
-
-Node.prototype._encodePrimitive = function encodePrimitive(tag, data) {
-  var state = this._baseState;
-
-  if (tag === 'octstr' || tag === 'bitstr' || tag === 'ia5str')
-    return this._encodeStr(data, tag);
-  else if (tag === 'utf8str')
-    return this._encodeStr(data, tag);
-  else if (tag === 'objid' && state.args)
-    return this._encodeObjid(data, state.reverseArgs[0], state.args[1]);
-  else if (tag === 'objid')
-    return this._encodeObjid(data, null, null);
-  else if (tag === 'gentime' || tag === 'utctime')
-    return this._encodeTime(data, tag);
-  else if (tag === 'null_')
-    return this._encodeNull();
-  else if (tag === 'int' || tag === 'enum')
-    return this._encodeInt(data, state.args && state.reverseArgs[0]);
-  else if (tag === 'bool')
-    return this._encodeBool(data);
-  else
-    throw new Error('Unsupported tag: ' + tag);
-};
-
-},{"../base":4,"minimalistic-assert":99}],6:[function(require,module,exports){
-var inherits = require('inherits');
-
-function Reporter(options) {
-  this._reporterState = {
-    obj: null,
-    path: [],
-    options: options || {},
-    errors: []
-  };
-}
-exports.Reporter = Reporter;
-
-Reporter.prototype.isError = function isError(obj) {
-  return obj instanceof ReporterError;
-};
-
-Reporter.prototype.save = function save() {
-  var state = this._reporterState;
-
-  return { obj: state.obj, pathLen: state.path.length };
-};
-
-Reporter.prototype.restore = function restore(data) {
-  var state = this._reporterState;
-
-  state.obj = data.obj;
-  state.path = state.path.slice(0, data.pathLen);
-};
-
-Reporter.prototype.enterKey = function enterKey(key) {
-  return this._reporterState.path.push(key);
-};
-
-Reporter.prototype.leaveKey = function leaveKey(index, key, value) {
-  var state = this._reporterState;
-
-  state.path = state.path.slice(0, index - 1);
-  if (state.obj !== null)
-    state.obj[key] = value;
-};
-
-Reporter.prototype.enterObject = function enterObject() {
-  var state = this._reporterState;
-
-  var prev = state.obj;
-  state.obj = {};
-  return prev;
-};
-
-Reporter.prototype.leaveObject = function leaveObject(prev) {
-  var state = this._reporterState;
-
-  var now = state.obj;
-  state.obj = prev;
-  return now;
-};
-
-Reporter.prototype.error = function error(msg) {
-  var err;
-  var state = this._reporterState;
-
-  var inherited = msg instanceof ReporterError;
-  if (inherited) {
-    err = msg;
-  } else {
-    err = new ReporterError(state.path.map(function(elem) {
-      return '[' + JSON.stringify(elem) + ']';
-    }).join(''), msg.message || msg, msg.stack);
-  }
-
-  if (!state.options.partial)
-    throw err;
-
-  if (!inherited)
-    state.errors.push(err);
-
-  return err;
-};
-
-Reporter.prototype.wrapResult = function wrapResult(result) {
-  var state = this._reporterState;
-  if (!state.options.partial)
-    return result;
-
-  return {
-    result: this.isError(result) ? null : result,
-    errors: state.errors
-  };
-};
-
-function ReporterError(path, msg) {
-  this.path = path;
-  this.rethrow(msg);
-};
-inherits(ReporterError, Error);
-
-ReporterError.prototype.rethrow = function rethrow(msg) {
-  this.message = msg + ' at: ' + (this.path || '(shallow)');
-  Error.captureStackTrace(this, ReporterError);
-
-  return this;
-};
-
-},{"inherits":92}],7:[function(require,module,exports){
-var constants = require('../constants');
-
-exports.tagClass = {
-  0: 'universal',
-  1: 'application',
-  2: 'context',
-  3: 'private'
-};
-exports.tagClassByName = constants._reverse(exports.tagClass);
-
-exports.tag = {
-  0x00: 'end',
-  0x01: 'bool',
-  0x02: 'int',
-  0x03: 'bitstr',
-  0x04: 'octstr',
-  0x05: 'null_',
-  0x06: 'objid',
-  0x07: 'objDesc',
-  0x08: 'external',
-  0x09: 'real',
-  0x0a: 'enum',
-  0x0b: 'embed',
-  0x0c: 'utf8str',
-  0x0d: 'relativeOid',
-  0x10: 'seq',
-  0x11: 'set',
-  0x12: 'numstr',
-  0x13: 'printstr',
-  0x14: 't61str',
-  0x15: 'videostr',
-  0x16: 'ia5str',
-  0x17: 'utctime',
-  0x18: 'gentime',
-  0x19: 'graphstr',
-  0x1a: 'iso646str',
-  0x1b: 'genstr',
-  0x1c: 'unistr',
-  0x1d: 'charstr',
-  0x1e: 'bmpstr'
-};
-exports.tagByName = constants._reverse(exports.tag);
-
-},{"../constants":8}],8:[function(require,module,exports){
-var constants = exports;
-
-// Helper
-constants._reverse = function reverse(map) {
-  var res = {};
-
-  Object.keys(map).forEach(function(key) {
-    // Convert key to integer if it is stringified
-    if ((key | 0) == key)
-      key = key | 0;
-
-    var value = map[key];
-    res[value] = key;
-  });
-
-  return res;
-};
-
-constants.der = require('./der');
-
-},{"./der":7}],9:[function(require,module,exports){
-var inherits = require('inherits');
-
-var asn1 = require('../../asn1');
-var base = asn1.base;
-var bignum = asn1.bignum;
-
-// Import DER constants
-var der = asn1.constants.der;
-
-function DERDecoder(entity) {
-  this.enc = 'der';
-  this.name = entity.name;
-  this.entity = entity;
-
-  // Construct base tree
-  this.tree = new DERNode();
-  this.tree._init(entity.body);
-};
-module.exports = DERDecoder;
-
-DERDecoder.prototype.decode = function decode(data, options) {
-  if (!(data instanceof base.DecoderBuffer))
-    data = new base.DecoderBuffer(data, options);
-
-  return this.tree._decode(data, options);
-};
-
-// Tree methods
-
-function DERNode(parent) {
-  base.Node.call(this, 'der', parent);
-}
-inherits(DERNode, base.Node);
-
-DERNode.prototype._peekTag = function peekTag(buffer, tag, any) {
-  if (buffer.isEmpty())
-    return false;
-
-  var state = buffer.save();
-  var decodedTag = derDecodeTag(buffer, 'Failed to peek tag: "' + tag + '"');
-  if (buffer.isError(decodedTag))
-    return decodedTag;
-
-  buffer.restore(state);
-
-  return decodedTag.tag === tag || decodedTag.tagStr === tag || any;
-};
-
-DERNode.prototype._decodeTag = function decodeTag(buffer, tag, any) {
-  var decodedTag = derDecodeTag(buffer,
-                                'Failed to decode tag of "' + tag + '"');
-  if (buffer.isError(decodedTag))
-    return decodedTag;
-
-  var len = derDecodeLen(buffer,
-                         decodedTag.primitive,
-                         'Failed to get length of "' + tag + '"');
-
-  // Failure
-  if (buffer.isError(len))
-    return len;
-
-  if (!any &&
-      decodedTag.tag !== tag &&
-      decodedTag.tagStr !== tag &&
-      decodedTag.tagStr + 'of' !== tag) {
-    return buffer.error('Failed to match tag: "' + tag + '"');
-  }
-
-  if (decodedTag.primitive || len !== null)
-    return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
-
-  // Indefinite length... find END tag
-  var state = buffer.save();
-  var res = this._skipUntilEnd(
-      buffer,
-      'Failed to skip indefinite length body: "' + this.tag + '"');
-  if (buffer.isError(res))
-    return res;
-
-  len = buffer.offset - state.offset;
-  buffer.restore(state);
-  return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
-};
-
-DERNode.prototype._skipUntilEnd = function skipUntilEnd(buffer, fail) {
-  while (true) {
-    var tag = derDecodeTag(buffer, fail);
-    if (buffer.isError(tag))
-      return tag;
-    var len = derDecodeLen(buffer, tag.primitive, fail);
-    if (buffer.isError(len))
-      return len;
-
-    var res;
-    if (tag.primitive || len !== null)
-      res = buffer.skip(len)
-    else
-      res = this._skipUntilEnd(buffer, fail);
-
-    // Failure
-    if (buffer.isError(res))
-      return res;
-
-    if (tag.tagStr === 'end')
-      break;
-  }
-};
-
-DERNode.prototype._decodeList = function decodeList(buffer, tag, decoder) {
-  var result = [];
-  while (!buffer.isEmpty()) {
-    var possibleEnd = this._peekTag(buffer, 'end');
-    if (buffer.isError(possibleEnd))
-      return possibleEnd;
-
-    var res = decoder.decode(buffer, 'der');
-    if (buffer.isError(res) && possibleEnd)
-      break;
-    result.push(res);
-  }
-  return result;
-};
-
-DERNode.prototype._decodeStr = function decodeStr(buffer, tag) {
-  if (tag === 'octstr') {
-    return buffer.raw();
-  } else if (tag === 'bitstr') {
-    var unused = buffer.readUInt8();
-    if (buffer.isError(unused))
-      return unused;
-
-    return { unused: unused, data: buffer.raw() };
-  } else if (tag === 'ia5str' || tag === 'utf8str') {
-    return buffer.raw().toString();
-  } else {
-    return this.error('Decoding of string type: ' + tag + ' unsupported');
-  }
-};
-
-DERNode.prototype._decodeObjid = function decodeObjid(buffer, values, relative) {
-  var identifiers = [];
-  var ident = 0;
-  while (!buffer.isEmpty()) {
-    var subident = buffer.readUInt8();
-    ident <<= 7;
-    ident |= subident & 0x7f;
-    if ((subident & 0x80) === 0) {
-      identifiers.push(ident);
-      ident = 0;
-    }
-  }
-  if (subident & 0x80)
-    identifiers.push(ident);
-
-  var first = (identifiers[0] / 40) | 0;
-  var second = identifiers[0] % 40;
-
-  if (relative)
-    result = identifiers;
-  else
-    result = [first, second].concat(identifiers.slice(1));
-
-  if (values)
-    result = values[result.join(' ')];
-
-  return result;
-};
-
-DERNode.prototype._decodeTime = function decodeTime(buffer, tag) {
-  var str = buffer.raw().toString();
-  if (tag === 'gentime') {
-    var year = str.slice(0, 4) | 0;
-    var mon = str.slice(4, 6) | 0;
-    var day = str.slice(6, 8) | 0;
-    var hour = str.slice(8, 10) | 0;
-    var min = str.slice(10, 12) | 0;
-    var sec = str.slice(12, 14) | 0;
-  } else if (tag === 'utctime') {
-    var year = str.slice(0, 2) | 0;
-    var mon = str.slice(2, 4) | 0;
-    var day = str.slice(4, 6) | 0;
-    var hour = str.slice(6, 8) | 0;
-    var min = str.slice(8, 10) | 0;
-    var sec = str.slice(10, 12) | 0;
-    if (year < 70)
-      year = 2000 + year;
-    else
-      year = 1900 + year;
-  } else {
-    return this.error('Decoding ' + tag + ' time is not supported yet');
-  }
-
-  return Date.UTC(year, mon - 1, day, hour, min, sec, 0);
-};
-
-DERNode.prototype._decodeNull = function decodeNull(buffer) {
-  return null;
-};
-
-DERNode.prototype._decodeBool = function decodeBool(buffer) {
-  var res = buffer.readUInt8();
-  if (buffer.isError(res))
-    return res;
-  else
-    return res !== 0;
-};
-
-DERNode.prototype._decodeInt = function decodeInt(buffer, values) {
-  // Bigint, return as it is (assume big endian)
-  var raw = buffer.raw();
-  var res = new bignum(raw);
-
-  if (values)
-    res = values[res.toString(10)] || res;
-
-  return res;
-};
-
-DERNode.prototype._use = function use(entity, obj) {
-  if (typeof entity === 'function')
-    entity = entity(obj);
-  return entity._getDecoder('der').tree;
-};
-
-// Utility methods
-
-function derDecodeTag(buf, fail) {
-  var tag = buf.readUInt8(fail);
-  if (buf.isError(tag))
-    return tag;
-
-  var cls = der.tagClass[tag >> 6];
-  var primitive = (tag & 0x20) === 0;
-
-  // Multi-octet tag - load
-  if ((tag & 0x1f) === 0x1f) {
-    var oct = tag;
-    tag = 0;
-    while ((oct & 0x80) === 0x80) {
-      oct = buf.readUInt8(fail);
-      if (buf.isError(oct))
-        return oct;
-
-      tag <<= 7;
-      tag |= oct & 0x7f;
-    }
-  } else {
-    tag &= 0x1f;
-  }
-  var tagStr = der.tag[tag];
-
-  return {
-    cls: cls,
-    primitive: primitive,
-    tag: tag,
-    tagStr: tagStr
-  };
-}
-
-function derDecodeLen(buf, primitive, fail) {
-  var len = buf.readUInt8(fail);
-  if (buf.isError(len))
-    return len;
-
-  // Indefinite form
-  if (!primitive && len === 0x80)
-    return null;
-
-  // Definite form
-  if ((len & 0x80) === 0) {
-    // Short form
-    return len;
-  }
-
-  // Long form
-  var num = len & 0x7f;
-  if (num >= 4)
-    return buf.error('length octect is too long');
-
-  len = 0;
-  for (var i = 0; i < num; i++) {
-    len <<= 8;
-    var j = buf.readUInt8(fail);
-    if (buf.isError(j))
-      return j;
-    len |= j;
-  }
-
-  return len;
-}
-
-},{"../../asn1":1,"inherits":92}],10:[function(require,module,exports){
-var decoders = exports;
-
-decoders.der = require('./der');
-decoders.pem = require('./pem');
-
-},{"./der":9,"./pem":11}],11:[function(require,module,exports){
-var inherits = require('inherits');
-var Buffer = require('buffer').Buffer;
-
-var asn1 = require('../../asn1');
-var DERDecoder = require('./der');
-
-function PEMDecoder(entity) {
-  DERDecoder.call(this, entity);
-  this.enc = 'pem';
-};
-inherits(PEMDecoder, DERDecoder);
-module.exports = PEMDecoder;
-
-PEMDecoder.prototype.decode = function decode(data, options) {
-  var lines = data.toString().split(/[\r\n]+/g);
-
-  var label = options.label.toUpperCase();
-
-  var re = /^-----(BEGIN|END) ([^-]+)-----$/;
-  var start = -1;
-  var end = -1;
-  for (var i = 0; i < lines.length; i++) {
-    var match = lines[i].match(re);
-    if (match === null)
-      continue;
-
-    if (match[2] !== label)
-      continue;
-
-    if (start === -1) {
-      if (match[1] !== 'BEGIN')
-        break;
-      start = i;
-    } else {
-      if (match[1] !== 'END')
-        break;
-      end = i;
-      break;
-    }
-  }
-  if (start === -1 || end === -1)
-    throw new Error('PEM section not found for: ' + label);
-
-  var base64 = lines.slice(start + 1, end).join('');
-  // Remove excessive symbols
-  base64.replace(/[^a-z0-9\+\/=]+/gi, '');
-
-  var input = new Buffer(base64, 'base64');
-  return DERDecoder.prototype.decode.call(this, input, options);
-};
-
-},{"../../asn1":1,"./der":9,"buffer":46,"inherits":92}],12:[function(require,module,exports){
-var inherits = require('inherits');
-var Buffer = require('buffer').Buffer;
-
-var asn1 = require('../../asn1');
-var base = asn1.base;
-var bignum = asn1.bignum;
-
-// Import DER constants
-var der = asn1.constants.der;
-
-function DEREncoder(entity) {
-  this.enc = 'der';
-  this.name = entity.name;
-  this.entity = entity;
-
-  // Construct base tree
-  this.tree = new DERNode();
-  this.tree._init(entity.body);
-};
-module.exports = DEREncoder;
-
-DEREncoder.prototype.encode = function encode(data, reporter) {
-  return this.tree._encode(data, reporter).join();
-};
-
-// Tree methods
-
-function DERNode(parent) {
-  base.Node.call(this, 'der', parent);
-}
-inherits(DERNode, base.Node);
-
-DERNode.prototype._encodeComposite = function encodeComposite(tag,
-                                                              primitive,
-                                                              cls,
-                                                              content) {
-  var encodedTag = encodeTag(tag, primitive, cls, this.reporter);
-
-  // Short form
-  if (content.length < 0x80) {
-    var header = new Buffer(2);
-    header[0] = encodedTag;
-    header[1] = content.length;
-    return this._createEncoderBuffer([ header, content ]);
-  }
-
-  // Long form
-  // Count octets required to store length
-  var lenOctets = 1;
-  for (var i = content.length; i >= 0x100; i >>= 8)
-    lenOctets++;
-
-  var header = new Buffer(1 + 1 + lenOctets);
-  header[0] = encodedTag;
-  header[1] = 0x80 | lenOctets;
-
-  for (var i = 1 + lenOctets, j = content.length; j > 0; i--, j >>= 8)
-    header[i] = j & 0xff;
-
-  return this._createEncoderBuffer([ header, content ]);
-};
-
-DERNode.prototype._encodeStr = function encodeStr(str, tag) {
-  if (tag === 'octstr')
-    return this._createEncoderBuffer(str);
-  else if (tag === 'bitstr')
-    return this._createEncoderBuffer([ str.unused | 0, str.data ]);
-  else if (tag === 'ia5str' || tag === 'utf8str')
-    return this._createEncoderBuffer(str);
-  return this.reporter.error('Encoding of string type: ' + tag +
-                             ' unsupported');
-};
-
-DERNode.prototype._encodeObjid = function encodeObjid(id, values, relative) {
-  if (typeof id === 'string') {
-    if (!values)
-      return this.reporter.error('string objid given, but no values map found');
-    if (!values.hasOwnProperty(id))
-      return this.reporter.error('objid not found in values map');
-    id = values[id].split(/[\s\.]+/g);
-    for (var i = 0; i < id.length; i++)
-      id[i] |= 0;
-  } else if (Array.isArray(id)) {
-    id = id.slice();
-    for (var i = 0; i < id.length; i++)
-      id[i] |= 0;
-  }
-
-  if (!Array.isArray(id)) {
-    return this.reporter.error('objid() should be either array or string, ' +
-                               'got: ' + JSON.stringify(id));
-  }
-
-  if (!relative) {
-    if (id[1] >= 40)
-      return this.reporter.error('Second objid identifier OOB');
-    id.splice(0, 2, id[0] * 40 + id[1]);
-  }
-
-  // Count number of octets
-  var size = 0;
-  for (var i = 0; i < id.length; i++) {
-    var ident = id[i];
-    for (size++; ident >= 0x80; ident >>= 7)
-      size++;
-  }
-
-  var objid = new Buffer(size);
-  var offset = objid.length - 1;
-  for (var i = id.length - 1; i >= 0; i--) {
-    var ident = id[i];
-    objid[offset--] = ident & 0x7f;
-    while ((ident >>= 7) > 0)
-      objid[offset--] = 0x80 | (ident & 0x7f);
-  }
-
-  return this._createEncoderBuffer(objid);
-};
-
-function two(num) {
-  if (num < 10)
-    return '0' + num;
-  else
-    return num;
-}
-
-DERNode.prototype._encodeTime = function encodeTime(time, tag) {
-  var str;
-  var date = new Date(time);
-
-  if (tag === 'gentime') {
-    str = [
-      two(date.getFullYear()),
-      two(date.getUTCMonth() + 1),
-      two(date.getUTCDate()),
-      two(date.getUTCHours()),
-      two(date.getUTCMinutes()),
-      two(date.getUTCSeconds()),
-      'Z'
-    ].join('');
-  } else if (tag === 'utctime') {
-    str = [
-      two(date.getFullYear() % 100),
-      two(date.getUTCMonth() + 1),
-      two(date.getUTCDate()),
-      two(date.getUTCHours()),
-      two(date.getUTCMinutes()),
-      two(date.getUTCSeconds()),
-      'Z'
-    ].join('');
-  } else {
-    this.reporter.error('Encoding ' + tag + ' time is not supported yet');
-  }
-
-  return this._encodeStr(str, 'octstr');
-};
-
-DERNode.prototype._encodeNull = function encodeNull() {
-  return this._createEncoderBuffer('');
-};
-
-DERNode.prototype._encodeInt = function encodeInt(num, values) {
-  if (typeof num === 'string') {
-    if (!values)
-      return this.reporter.error('String int or enum given, but no values map');
-    if (!values.hasOwnProperty(num)) {
-      return this.reporter.error('Values map doesn\'t contain: ' +
-                                 JSON.stringify(num));
-    }
-    num = values[num];
-  }
-
-  // Bignum, assume big endian
-  if (typeof num !== 'number' && !Buffer.isBuffer(num)) {
-    var numArray = num.toArray();
-    if (!num.sign && numArray[0] & 0x80) {
-      numArray.unshift(0);
-    }
-    num = new Buffer(numArray);
-  }
-
-  if (Buffer.isBuffer(num)) {
-    var size = num.length;
-    if (num.length === 0)
-      size++;
-
-    var out = new Buffer(size);
-    num.copy(out);
-    if (num.length === 0)
-      out[0] = 0
-    return this._createEncoderBuffer(out);
-  }
-
-  if (num < 0x80)
-    return this._createEncoderBuffer(num);
-
-  if (num < 0x100)
-    return this._createEncoderBuffer([0, num]);
-
-  var size = 1;
-  for (var i = num; i >= 0x100; i >>= 8)
-    size++;
-
-  var out = new Array(size);
-  for (var i = out.length - 1; i >= 0; i--) {
-    out[i] = num & 0xff;
-    num >>= 8;
-  }
-  if(out[0] & 0x80) {
-    out.unshift(0);
-  }
-
-  return this._createEncoderBuffer(new Buffer(out));
-};
-
-DERNode.prototype._encodeBool = function encodeBool(value) {
-  return this._createEncoderBuffer(value ? 0xff : 0);
-};
-
-DERNode.prototype._use = function use(entity, obj) {
-  if (typeof entity === 'function')
-    entity = entity(obj);
-  return entity._getEncoder('der').tree;
-};
-
-DERNode.prototype._skipDefault = function skipDefault(dataBuffer, reporter, parent) {
-  var state = this._baseState;
-  var i;
-  if (state['default'] === null)
-    return false;
-
-  var data = dataBuffer.join();
-  if (state.defaultBuffer === undefined)
-    state.defaultBuffer = this._encodeValue(state['default'], reporter, parent).join();
-
-  if (data.length !== state.defaultBuffer.length)
-    return false;
-
-  for (i=0; i < data.length; i++)
-    if (data[i] !== state.defaultBuffer[i])
-      return false;
-
-  return true;
-};
-
-// Utility methods
-
-function encodeTag(tag, primitive, cls, reporter) {
-  var res;
-
-  if (tag === 'seqof')
-    tag = 'seq';
-  else if (tag === 'setof')
-    tag = 'set';
-
-  if (der.tagByName.hasOwnProperty(tag))
-    res = der.tagByName[tag];
-  else if (typeof tag === 'number' && (tag | 0) === tag)
-    res = tag;
-  else
-    return reporter.error('Unknown tag: ' + tag);
-
-  if (res >= 0x1f)
-    return reporter.error('Multi-octet tag encoding unsupported');
-
-  if (!primitive)
-    res |= 0x20;
-
-  res |= (der.tagClassByName[cls || 'universal'] << 6);
-
-  return res;
-}
-
-},{"../../asn1":1,"buffer":46,"inherits":92}],13:[function(require,module,exports){
-var encoders = exports;
-
-encoders.der = require('./der');
-encoders.pem = require('./pem');
-
-},{"./der":12,"./pem":14}],14:[function(require,module,exports){
-var inherits = require('inherits');
-var Buffer = require('buffer').Buffer;
-
-var asn1 = require('../../asn1');
-var DEREncoder = require('./der');
-
-function PEMEncoder(entity) {
-  DEREncoder.call(this, entity);
-  this.enc = 'pem';
-};
-inherits(PEMEncoder, DEREncoder);
-module.exports = PEMEncoder;
-
-PEMEncoder.prototype.encode = function encode(data, options) {
-  var buf = DEREncoder.prototype.encode.call(this, data);
-
-  var p = buf.toString('base64');
-  var out = [ '-----BEGIN ' + options.label + '-----' ];
-  for (var i = 0; i < p.length; i += 64)
-    out.push(p.slice(i, i + 64));
-  out.push('-----END ' + options.label + '-----');
-  return out.join('\n');
-};
-
-},{"../../asn1":1,"./der":12,"buffer":46,"inherits":92}],15:[function(require,module,exports){
-// base* encoding
-// Credits to https://github.com/cryptocoinjs/bs58
-
-module.exports = function base (ALPHABET) {
-  var ALPHABET_MAP = {}
-  var BASE = ALPHABET.length
-  var LEADER = ALPHABET.charAt(0)
-
-  // pre-compute lookup table
-  for (var i = 0; i < ALPHABET.length; i++) {
-    ALPHABET_MAP[ALPHABET.charAt(i)] = i
-  }
-
-  function encode (buffer) {
-    if (buffer.length === 0) return ''
-
-    var i, j
-    var digits = [0]
-
-    for (i = 0; i < buffer.length; i++) {
-      for (j = 0; j < digits.length; j++) digits[j] <<= 8
-
-      digits[0] += buffer[i]
-
-      var carry = 0
-      for (j = 0; j < digits.length; ++j) {
-        digits[j] += carry
-
-        carry = (digits[j] / BASE) | 0
-        digits[j] %= BASE
-      }
-
-      while (carry) {
-        digits.push(carry % BASE)
-
-        carry = (carry / BASE) | 0
-      }
-    }
-
-    // deal with leading zeros
-    for (i = 0; buffer[i] === 0 && i < buffer.length - 1; i++) {
-      digits.push(0)
-    }
-
-    return digits.reverse().map(function (digit) {
-      return ALPHABET[digit]
-    }).join('')
-  }
-
-  function decode (string) {
-    if (string.length === 0) return []
-
-    var i, j
-    var bytes = [0]
-
-    for (i = 0; i < string.length; i++) {
-      var c = string[i]
-      if (!(c in ALPHABET_MAP)) throw new Error('Non-base' + BASE + ' character')
-
-      for (j = 0; j < bytes.length; j++) bytes[j] *= BASE
-      bytes[0] += ALPHABET_MAP[c]
-
-      var carry = 0
-      for (j = 0; j < bytes.length; ++j) {
-        bytes[j] += carry
-
-        carry = bytes[j] >> 8
-        bytes[j] &= 0xff
-      }
-
-      while (carry) {
-        bytes.push(carry & 0xff)
-
-        carry >>= 8
-      }
-    }
-
-    // deal with leading zeros
-    for (i = 0; string[i] === LEADER && i < string.length - 1; i++) {
-      bytes.push(0)
-    }
-
-    return bytes.reverse()
-  }
-
-  return {
-    encode: encode,
-    decode: decode
-  }
-}
-
-},{}],16:[function(require,module,exports){
-var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
-
-;(function (exports) {
-	'use strict';
-
-  var Arr = (typeof Uint8Array !== 'undefined')
-    ? Uint8Array
-    : Array
-
-	var PLUS   = '+'.charCodeAt(0)
-	var SLASH  = '/'.charCodeAt(0)
-	var NUMBER = '0'.charCodeAt(0)
-	var LOWER  = 'a'.charCodeAt(0)
-	var UPPER  = 'A'.charCodeAt(0)
-	var PLUS_URL_SAFE = '-'.charCodeAt(0)
-	var SLASH_URL_SAFE = '_'.charCodeAt(0)
-
-	function decode (elt) {
-		var code = elt.charCodeAt(0)
-		if (code === PLUS ||
-		    code === PLUS_URL_SAFE)
-			return 62 // '+'
-		if (code === SLASH ||
-		    code === SLASH_URL_SAFE)
-			return 63 // '/'
-		if (code < NUMBER)
-			return -1 //no match
-		if (code < NUMBER + 10)
-			return code - NUMBER + 26 + 26
-		if (code < UPPER + 26)
-			return code - UPPER
-		if (code < LOWER + 26)
-			return code - LOWER + 26
-	}
-
-	function b64ToByteArray (b64) {
-		var i, j, l, tmp, placeHolders, arr
-
-		if (b64.length % 4 > 0) {
-			throw new Error('Invalid string. Length must be a multiple of 4')
-		}
-
-		// the number of equal signs (place holders)
-		// if there are two placeholders, than the two characters before it
-		// represent one byte
-		// if there is only one, then the three characters before it represent 2 bytes
-		// this is just a cheap hack to not do indexOf twice
-		var len = b64.length
-		placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0
-
-		// base64 is 4/3 + up to two characters of the original data
-		arr = new Arr(b64.length * 3 / 4 - placeHolders)
-
-		// if there are placeholders, only get up to the last complete 4 chars
-		l = placeHolders > 0 ? b64.length - 4 : b64.length
-
-		var L = 0
-
-		function push (v) {
-			arr[L++] = v
-		}
-
-		for (i = 0, j = 0; i < l; i += 4, j += 3) {
-			tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3))
-			push((tmp & 0xFF0000) >> 16)
-			push((tmp & 0xFF00) >> 8)
-			push(tmp & 0xFF)
-		}
-
-		if (placeHolders === 2) {
-			tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4)
-			push(tmp & 0xFF)
-		} else if (placeHolders === 1) {
-			tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2)
-			push((tmp >> 8) & 0xFF)
-			push(tmp & 0xFF)
-		}
-
-		return arr
-	}
-
-	function uint8ToBase64 (uint8) {
-		var i,
-			extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes
-			output = "",
-			temp, length
-
-		function encode (num) {
-			return lookup.charAt(num)
-		}
-
-		function tripletToBase64 (num) {
-			return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F)
-		}
-
-		// go through the array every three bytes, we'll deal with trailing stuff later
-		for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {
-			temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
-			output += tripletToBase64(temp)
-		}
-
-		// pad the end with zeros, but make sure to not forget the extra bytes
-		switch (extraBytes) {
-			case 1:
-				temp = uint8[uint8.length - 1]
-				output += encode(temp >> 2)
-				output += encode((temp << 4) & 0x3F)
-				output += '=='
-				break
-			case 2:
-				temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1])
-				output += encode(temp >> 10)
-				output += encode((temp >> 4) & 0x3F)
-				output += encode((temp << 2) & 0x3F)
-				output += '='
-				break
-		}
-
-		return output
-	}
-
-	exports.toByteArray = b64ToByteArray
-	exports.fromByteArray = uint8ToBase64
-}(typeof exports === 'undefined' ? (this.base64js = {}) : exports))
-
-},{}],17:[function(require,module,exports){
-(function (module, exports) {
-
-'use strict';
-
-// Utils
-
-function assert(val, msg) {
-  if (!val)
-    throw new Error(msg || 'Assertion failed');
-}
-
-// Could use `inherits` module, but don't want to move from single file
-// architecture yet.
-function inherits(ctor, superCtor) {
-  ctor.super_ = superCtor;
-  var TempCtor = function () {};
-  TempCtor.prototype = superCtor.prototype;
-  ctor.prototype = new TempCtor();
-  ctor.prototype.constructor = ctor;
-}
-
-// BN
-
-function BN(number, base, endian) {
-  // May be `new BN(bn)` ?
-  if (number !== null &&
-      typeof number === 'object' &&
-      Array.isArray(number.words)) {
-    return number;
-  }
-
-  this.negative = 0;
-  this.words = null;
-  this.length = 0;
-
-  // Reduction context
-  this.red = null;
-
-  if (base === 'le' || base === 'be') {
-    endian = base;
-    base = 10;
-  }
-
-  if (number !== null)
-    this._init(number || 0, base || 10, endian || 'be');
-}
-if (typeof module === 'object')
-  module.exports = BN;
-else
-  exports.BN = BN;
-
-BN.BN = BN;
-BN.wordSize = 26;
-
-BN.max = function max(left, right) {
-  if (left.cmp(right) > 0)
-    return left;
-  else
-    return right;
-};
-
-BN.min = function min(left, right) {
-  if (left.cmp(right) < 0)
-    return left;
-  else
-    return right;
-};
-
-BN.prototype._init = function init(number, base, endian) {
-  if (typeof number === 'number') {
-    return this._initNumber(number, base, endian);
-  } else if (typeof number === 'object') {
-    return this._initArray(number, base, endian);
-  }
-  if (base === 'hex')
-    base = 16;
-  assert(base === (base | 0) && base >= 2 && base <= 36);
-
-  number = number.toString().replace(/\s+/g, '');
-  var start = 0;
-  if (number[0] === '-')
-    start++;
-
-  if (base === 16)
-    this._parseHex(number, start);
-  else
-    this._parseBase(number, base, start);
-
-  if (number[0] === '-')
-    this.negative = 1;
-
-  this.strip();
-
-  if (endian !== 'le')
-    return;
-
-  this._initArray(this.toArray(), base, endian);
-};
-
-BN.prototype._initNumber = function _initNumber(number, base, endian) {
-  if (number < 0) {
-    this.negative = 1;
-    number = -number;
-  }
-  if (number < 0x4000000) {
-    this.words = [ number & 0x3ffffff ];
-    this.length = 1;
-  } else if (number < 0x10000000000000) {
-    this.words = [
-      number & 0x3ffffff,
-      (number / 0x4000000) & 0x3ffffff
-    ];
-    this.length = 2;
-  } else {
-    assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
-    this.words = [
-      number & 0x3ffffff,
-      (number / 0x4000000) & 0x3ffffff,
-      1
-    ];
-    this.length = 3;
-  }
-
-  if (endian !== 'le')
-    return;
-
-  // Reverse the bytes
-  this._initArray(this.toArray(), base, endian);
-};
-
-BN.prototype._initArray = function _initArray(number, base, endian) {
-  // Perhaps a Uint8Array
-  assert(typeof number.length === 'number');
-  if (number.length <= 0) {
-    this.words = [ 0 ];
-    this.length = 1;
-    return this;
-  }
-
-  this.length = Math.ceil(number.length / 3);
-  this.words = new Array(this.length);
-  for (var i = 0; i < this.length; i++)
-    this.words[i] = 0;
-
-  var off = 0;
-  if (endian === 'be') {
-    for (var i = number.length - 1, j = 0; i >= 0; i -= 3) {
-      var w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
-      this.words[j] |= (w << off) & 0x3ffffff;
-      this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
-      off += 24;
-      if (off >= 26) {
-        off -= 26;
-        j++;
-      }
-    }
-  } else if (endian === 'le') {
-    for (var i = 0, j = 0; i < number.length; i += 3) {
-      var w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
-      this.words[j] |= (w << off) & 0x3ffffff;
-      this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
-      off += 24;
-      if (off >= 26) {
-        off -= 26;
-        j++;
-      }
-    }
-  }
-  return this.strip();
-};
-
-function parseHex(str, start, end) {
-  var r = 0;
-  var len = Math.min(str.length, end);
-  for (var i = start; i < len; i++) {
-    var c = str.charCodeAt(i) - 48;
-
-    r <<= 4;
-
-    // 'a' - 'f'
-    if (c >= 49 && c <= 54)
-      r |= c - 49 + 0xa;
-
-    // 'A' - 'F'
-    else if (c >= 17 && c <= 22)
-      r |= c - 17 + 0xa;
-
-    // '0' - '9'
-    else
-      r |= c & 0xf;
-  }
-  return r;
-}
-
-BN.prototype._parseHex = function _parseHex(number, start) {
-  // Create possibly bigger array to ensure that it fits the number
-  this.length = Math.ceil((number.length - start) / 6);
-  this.words = new Array(this.length);
-  for (var i = 0; i < this.length; i++)
-    this.words[i] = 0;
-
-  // Scan 24-bit chunks and add them to the number
-  var off = 0;
-  for (var i = number.length - 6, j = 0; i >= start; i -= 6) {
-    var w = parseHex(number, i, i + 6);
-    this.words[j] |= (w << off) & 0x3ffffff;
-    this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
-    off += 24;
-    if (off >= 26) {
-      off -= 26;
-      j++;
-    }
-  }
-  if (i + 6 !== start) {
-    var w = parseHex(number, start, i + 6);
-    this.words[j] |= (w << off) & 0x3ffffff;
-    this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
-  }
-  this.strip();
-};
-
-function parseBase(str, start, end, mul) {
-  var r = 0;
-  var len = Math.min(str.length, end);
-  for (var i = start; i < len; i++) {
-    var c = str.charCodeAt(i) - 48;
-
-    r *= mul;
-
-    // 'a'
-    if (c >= 49)
-      r += c - 49 + 0xa;
-
-    // 'A'
-    else if (c >= 17)
-      r += c - 17 + 0xa;
-
-    // '0' - '9'
-    else
-      r += c;
-  }
-  return r;
-}
-
-BN.prototype._parseBase = function _parseBase(number, base, start) {
-  // Initialize as zero
-  this.words = [ 0 ];
-  this.length = 1;
-
-  // Find length of limb in base
-  for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base)
-    limbLen++;
-  limbLen--;
-  limbPow = (limbPow / base) | 0;
-
-  var total = number.length - start;
-  var mod = total % limbLen;
-  var end = Math.min(total, total - mod) + start;
-
-  var word = 0;
-  for (var i = start; i < end; i += limbLen) {
-    word = parseBase(number, i, i + limbLen, base);
-
-    this.imuln(limbPow);
-    if (this.words[0] + word < 0x4000000)
-      this.words[0] += word;
-    else
-      this._iaddn(word);
-  }
-
-  if (mod !== 0) {
-    var pow = 1;
-    var word = parseBase(number, i, number.length, base);
-
-    for (var i = 0; i < mod; i++)
-      pow *= base;
-    this.imuln(pow);
-    if (this.words[0] + word < 0x4000000)
-      this.words[0] += word;
-    else
-      this._iaddn(word);
-  }
-};
-
-BN.prototype.copy = function copy(dest) {
-  dest.words = new Array(this.length);
-  for (var i = 0; i < this.length; i++)
-    dest.words[i] = this.words[i];
-  dest.length = this.length;
-  dest.negative = this.negative;
-  dest.red = this.red;
-};
-
-BN.prototype.clone = function clone() {
-  var r = new BN(null);
-  this.copy(r);
-  return r;
-};
-
-// Remove leading `0` from `this`
-BN.prototype.strip = function strip() {
-  while (this.length > 1 && this.words[this.length - 1] === 0)
-    this.length--;
-  return this._normSign();
-};
-
-BN.prototype._normSign = function _normSign() {
-  // -0 = 0
-  if (this.length === 1 && this.words[0] === 0)
-    this.negative = 0;
-  return this;
-};
-
-BN.prototype.inspect = function inspect() {
-  return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
-};
-
-/*
-
-var zeros = [];
-var groupSizes = [];
-var groupBases = [];
-
-var s = '';
-var i = -1;
-while (++i < BN.wordSize) {
-  zeros[i] = s;
-  s += '0';
-}
-groupSizes[0] = 0;
-groupSizes[1] = 0;
-groupBases[0] = 0;
-groupBases[1] = 0;
-var base = 2 - 1;
-while (++base < 36 + 1) {
-  var groupSize = 0;
-  var groupBase = 1;
-  while (groupBase < (1 << BN.wordSize) / base) {
-    groupBase *= base;
-    groupSize += 1;
-  }
-  groupSizes[base] = groupSize;
-  groupBases[base] = groupBase;
-}
-
-*/
-
-var zeros = [
-  '',
-  '0',
-  '00',
-  '000',
-  '0000',
-  '00000',
-  '000000',
-  '0000000',
-  '00000000',
-  '000000000',
-  '0000000000',
-  '00000000000',
-  '000000000000',
-  '0000000000000',
-  '00000000000000',
-  '000000000000000',
-  '0000000000000000',
-  '00000000000000000',
-  '000000000000000000',
-  '0000000000000000000',
-  '00000000000000000000',
-  '000000000000000000000',
-  '0000000000000000000000',
-  '00000000000000000000000',
-  '000000000000000000000000',
-  '0000000000000000000000000'
-];
-
-var groupSizes = [
-  0, 0,
-  25, 16, 12, 11, 10, 9, 8,
-  8, 7, 7, 7, 7, 6, 6,
-  6, 6, 6, 6, 6, 5, 5,
-  5, 5, 5, 5, 5, 5, 5,
-  5, 5, 5, 5, 5, 5, 5
-];
-
-var groupBases = [
-  0, 0,
-  33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
-  43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
-  16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
-  6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
-  24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
-];
-
-BN.prototype.toString = function toString(base, padding) {
-  base = base || 10;
-  var padding = padding | 0 || 1;
-  if (base === 16 || base === 'hex') {
-    var out = '';
-    var off = 0;
-    var carry = 0;
-    for (var i = 0; i < this.length; i++) {
-      var w = this.words[i];
-      var word = (((w << off) | carry) & 0xffffff).toString(16);
-      carry = (w >>> (24 - off)) & 0xffffff;
-      if (carry !== 0 || i !== this.length - 1)
-        out = zeros[6 - word.length] + word + out;
-      else
-        out = word + out;
-      off += 2;
-      if (off >= 26) {
-        off -= 26;
-        i--;
-      }
-    }
-    if (carry !== 0)
-      out = carry.toString(16) + out;
-    while (out.length % padding !== 0)
-      out = '0' + out;
-    if (this.negative !== 0)
-      out = '-' + out;
-    return out;
-  } else if (base === (base | 0) && base >= 2 && base <= 36) {
-    // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
-    var groupSize = groupSizes[base];
-    // var groupBase = Math.pow(base, groupSize);
-    var groupBase = groupBases[base];
-    var out = '';
-    var c = this.clone();
-    c.negative = 0;
-    while (c.cmpn(0) !== 0) {
-      var r = c.modn(groupBase).toString(base);
-      c = c.idivn(groupBase);
-
-      if (c.cmpn(0) !== 0)
-        out = zeros[groupSize - r.length] + r + out;
-      else
-        out = r + out;
-    }
-    if (this.cmpn(0) === 0)
-      out = '0' + out;
-    while (out.length % padding !== 0)
-      out = '0' + out;
-    if (this.negative !== 0)
-      out = '-' + out;
-    return out;
-  } else {
-    assert(false, 'Base should be between 2 and 36');
-  }
-};
-
-BN.prototype.toJSON = function toJSON() {
-  return this.toString(16);
-};
-
-BN.prototype.toArray = function toArray(endian, length) {
-  this.strip();
-  var littleEndian = endian === 'le';
-  var res = new Array(this.byteLength());
-  res[0] = 0;
-
-  var q = this.clone();
-  if (!littleEndian) {
-    // Assume big-endian
-    for (var i = 0; q.cmpn(0) !== 0; i++) {
-      var b = q.andln(0xff);
-      q.iushrn(8);
-
-      res[res.length - i - 1] = b;
-    }
-  } else {
-    for (var i = 0; q.cmpn(0) !== 0; i++) {
-      var b = q.andln(0xff);
-      q.iushrn(8);
-
-      res[i] = b;
-    }
-  }
-
-  if (length) {
-    assert(res.length <= length, 'byte array longer than desired length');
-
-    while (res.length < length) {
-      if (littleEndian)
-        res.push(0);
-      else
-        res.unshift(0);
-    }
-  }
-
-  return res;
-};
-
-if (Math.clz32) {
-  BN.prototype._countBits = function _countBits(w) {
-    return 32 - Math.clz32(w);
-  };
-} else {
-  BN.prototype._countBits = function _countBits(w) {
-    var t = w;
-    var r = 0;
-    if (t >= 0x1000) {
-      r += 13;
-      t >>>= 13;
-    }
-    if (t >= 0x40) {
-      r += 7;
-      t >>>= 7;
-    }
-    if (t >= 0x8) {
-      r += 4;
-      t >>>= 4;
-    }
-    if (t >= 0x02) {
-      r += 2;
-      t >>>= 2;
-    }
-    return r + t;
-  };
-}
-
-BN.prototype._zeroBits = function _zeroBits(w) {
-  // Short-cut
-  if (w === 0)
-    return 26;
-
-  var t = w;
-  var r = 0;
-  if ((t & 0x1fff) === 0) {
-    r += 13;
-    t >>>= 13;
-  }
-  if ((t & 0x7f) === 0) {
-    r += 7;
-    t >>>= 7;
-  }
-  if ((t & 0xf) === 0) {
-    r += 4;
-    t >>>= 4;
-  }
-  if ((t & 0x3) === 0) {
-    r += 2;
-    t >>>= 2;
-  }
-  if ((t & 0x1) === 0)
-    r++;
-  return r;
-};
-
-// Return number of used bits in a BN
-BN.prototype.bitLength = function bitLength() {
-  var hi = 0;
-  var w = this.words[this.length - 1];
-  var hi = this._countBits(w);
-  return (this.length - 1) * 26 + hi;
-};
-
-function toBitArray(num) {
-  var w = new Array(num.bitLength());
-
-  for (var bit = 0; bit < w.length; bit++) {
-    var off = (bit / 26) | 0;
-    var wbit = bit % 26;
-
-    w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
-  }
-
-  return w;
-}
-
-// Number of trailing zero bits
-BN.prototype.zeroBits = function zeroBits() {
-  if (this.cmpn(0) === 0)
-    return 0;
-
-  var r = 0;
-  for (var i = 0; i < this.length; i++) {
-    var b = this._zeroBits(this.words[i]);
-    r += b;
-    if (b !== 26)
-      break;
-  }
-  return r;
-};
-
-BN.prototype.byteLength = function byteLength() {
-  return Math.ceil(this.bitLength() / 8);
-};
-
-// Return negative clone of `this`
-BN.prototype.neg = function neg() {
-  if (this.cmpn(0) === 0)
-    return this.clone();
-
-  var r = this.clone();
-  r.negative = this.negative ^ 1;
-  return r;
-};
-
-BN.prototype.ineg = function ineg() {
-  this.negative ^= 1;
-  return this;
-};
-
-// Or `num` with `this` in-place
-BN.prototype.iuor = function iuor(num) {
-  while (this.length < num.length)
-    this.words[this.length++] = 0;
-
-  for (var i = 0; i < num.length; i++)
-    this.words[i] = this.words[i] | num.words[i];
-
-  return this.strip();
-};
-
-BN.prototype.ior = function ior(num) {
-  assert((this.negative | num.negative) === 0);
-  return this.iuor(num);
-};
-
-
-// Or `num` with `this`
-BN.prototype.or = function or(num) {
-  if (this.length > num.length)
-    return this.clone().ior(num);
-  else
-    return num.clone().ior(this);
-};
-
-BN.prototype.uor = function uor(num) {
-  if (this.length > num.length)
-    return this.clone().iuor(num);
-  else
-    return num.clone().iuor(this);
-};
-
-
-// And `num` with `this` in-place
-BN.prototype.iuand = function iuand(num) {
-  // b = min-length(num, this)
-  var b;
-  if (this.length > num.length)
-    b = num;
-  else
-    b = this;
-
-  for (var i = 0; i < b.length; i++)
-    this.words[i] = this.words[i] & num.words[i];
-
-  this.length = b.length;
-
-  return this.strip();
-};
-
-BN.prototype.iand = function iand(num) {
-  assert((this.negative | num.negative) === 0);
-  return this.iuand(num);
-};
-
-
-// And `num` with `this`
-BN.prototype.and = function and(num) {
-  if (this.length > num.length)
-    return this.clone().iand(num);
-  else
-    return num.clone().iand(this);
-};
-
-BN.prototype.uand = function uand(num) {
-  if (this.length > num.length)
-    return this.clone().iuand(num);
-  else
-    return num.clone().iuand(this);
-};
-
-
-// Xor `num` with `this` in-place
-BN.prototype.iuxor = function iuxor(num) {
-  // a.length > b.length
-  var a;
-  var b;
-  if (this.length > num.length) {
-    a = this;
-    b = num;
-  } else {
-    a = num;
-    b = this;
-  }
-
-  for (var i = 0; i < b.length; i++)
-    this.words[i] = a.words[i] ^ b.words[i];
-
-  if (this !== a)
-    for (; i < a.length; i++)
-      this.words[i] = a.words[i];
-
-  this.length = a.length;
-
-  return this.strip();
-};
-
-BN.prototype.ixor = function ixor(num) {
-  assert((this.negative | num.negative) === 0);
-  return this.iuxor(num);
-};
-
-
-// Xor `num` with `this`
-BN.prototype.xor = function xor(num) {
-  if (this.length > num.length)
-    return this.clone().ixor(num);
-  else
-    return num.clone().ixor(this);
-};
-
-BN.prototype.uxor = function uxor(num) {
-  if (this.length > num.length)
-    return this.clone().iuxor(num);
-  else
-    return num.clone().iuxor(this);
-};
-
-
-// Set `bit` of `this`
-BN.prototype.setn = function setn(bit, val) {
-  assert(typeof bit === 'number' && bit >= 0);
-
-  var off = (bit / 26) | 0;
-  var wbit = bit % 26;
-
-  while (this.length <= off)
-    this.words[this.length++] = 0;
-
-  if (val)
-    this.words[off] = this.words[off] | (1 << wbit);
-  else
-    this.words[off] = this.words[off] & ~(1 << wbit);
-
-  return this.strip();
-};
-
-
-// Add `num` to `this` in-place
-BN.prototype.iadd = function iadd(num) {
-  // negative + positive
-  if (this.negative !== 0 && num.negative === 0) {
-    this.negative = 0;
-    var r = this.isub(num);
-    this.negative ^= 1;
-    return this._normSign();
-
-  // positive + negative
-  } else if (this.negative === 0 && num.negative !== 0) {
-    num.negative = 0;
-    var r = this.isub(num);
-    num.negative = 1;
-    return r._normSign();
-  }
-
-  // a.length > b.length
-  var a;
-  var b;
-  if (this.length > num.length) {
-    a = this;
-    b = num;
-  } else {
-    a = num;
-    b = this;
-  }
-
-  var carry = 0;
-  for (var i = 0; i < b.length; i++) {
-    var r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
-    this.words[i] = r & 0x3ffffff;
-    carry = r >>> 26;
-  }
-  for (; carry !== 0 && i < a.length; i++) {
-    var r = (a.words[i] | 0) + carry;
-    this.words[i] = r & 0x3ffffff;
-    carry = r >>> 26;
-  }
-
-  this.length = a.length;
-  if (carry !== 0) {
-    this.words[this.length] = carry;
-    this.length++;
-  // Copy the rest of the words
-  } else if (a !== this) {
-    for (; i < a.length; i++)
-      this.words[i] = a.words[i];
-  }
-
-  return this;
-};
-
-// Add `num` to `this`
-BN.prototype.add = function add(num) {
-  if (num.negative !== 0 && this.negative === 0) {
-    num.negative = 0;
-    var res = this.sub(num);
-    num.negative ^= 1;
-    return res;
-  } else if (num.negative === 0 && this.negative !== 0) {
-    this.negative = 0;
-    var res = num.sub(this);
-    this.negative = 1;
-    return res;
-  }
-
-  if (this.length > num.length)
-    return this.clone().iadd(num);
-  else
-    return num.clone().iadd(this);
-};
-
-// Subtract `num` from `this` in-place
-BN.prototype.isub = function isub(num) {
-  // this - (-num) = this + num
-  if (num.negative !== 0) {
-    num.negative = 0;
-    var r = this.iadd(num);
-    num.negative = 1;
-    return r._normSign();
-
-  // -this - num = -(this + num)
-  } else if (this.negative !== 0) {
-    this.negative = 0;
-    this.iadd(num);
-    this.negative = 1;
-    return this._normSign();
-  }
-
-  // At this point both numbers are positive
-  var cmp = this.cmp(num);
-
-  // Optimization - zeroify
-  if (cmp === 0) {
-    this.negative = 0;
-    this.length = 1;
-    this.words[0] = 0;
-    return this;
-  }
-
-  // a > b
-  var a;
-  var b;
-  if (cmp > 0) {
-    a = this;
-    b = num;
-  } else {
-    a = num;
-    b = this;
-  }
-
-  var carry = 0;
-  for (var i = 0; i < b.length; i++) {
-    var r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
-    carry = r >> 26;
-    this.words[i] = r & 0x3ffffff;
-  }
-  for (; carry !== 0 && i < a.length; i++) {
-    var r = (a.words[i] | 0) + carry;
-    carry = r >> 26;
-    this.words[i] = r & 0x3ffffff;
-  }
-
-  // Copy rest of the words
-  if (carry === 0 && i < a.length && a !== this)
-    for (; i < a.length; i++)
-      this.words[i] = a.words[i];
-  this.length = Math.max(this.length, i);
-
-  if (a !== this)
-    this.negative = 1;
-
-  return this.strip();
-};
-
-// Subtract `num` from `this`
-BN.prototype.sub = function sub(num) {
-  return this.clone().isub(num);
-};
-
-/*
-// NOTE: This could be potentionally used to generate loop-less multiplications
-function _genCombMulTo(alen, blen) {
-  var len = alen + blen - 1;
-  var src = [
-    'var a = this.words, b = num.words, o = out.words, c = 0, w, ' +
-        'mask = 0x3ffffff, shift = 0x4000000;',
-    'out.length = ' + len + ';'
-  ];
-  for (var k = 0; k < len; k++) {
-    var minJ = Math.max(0, k - alen + 1);
-    var maxJ = Math.min(k, blen - 1);
-
-    for (var j = minJ; j <= maxJ; j++) {
-      var i = k - j;
-      var mul = 'a[' + i + '] * b[' + j + ']';
-
-      if (j === minJ) {
-        src.push('w = ' + mul + ' + c;');
-        src.push('c = (w / shift) | 0;');
-      } else {
-        src.push('w += ' + mul + ';');
-        src.push('c += (w / shift) | 0;');
-      }
-      src.push('w &= mask;');
-    }
-    src.push('o[' + k + '] = w;');
-  }
-  src.push('if (c !== 0) {',
-           '  o[' + k + '] = c;',
-           '  out.length++;',
-           '}',
-           'return out;');
-
-  return src.join('\n');
-}
-*/
-
-function smallMulTo(self, num, out) {
-  out.negative = num.negative ^ self.negative;
-  var len = (self.length + num.length) | 0;
-  out.length = len;
-  len = (len - 1) | 0;
-
-  // Peel one iteration (compiler can't do it, because of code complexity)
-  var a = self.words[0] | 0;
-  var b = num.words[0] | 0;
-  var r = a * b;
-
-  var lo = r & 0x3ffffff;
-  var carry = (r / 0x4000000) | 0;
-  out.words[0] = lo;
-
-  for (var k = 1; k < len; k++) {
-    // Sum all words with the same `i + j = k` and accumulate `ncarry`,
-    // note that ncarry could be >= 0x3ffffff
-    var ncarry = carry >>> 26;
-    var rword = carry & 0x3ffffff;
-    var maxJ = Math.min(k, num.length - 1);
-    for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
-      var i = (k - j) | 0;
-      var a = self.words[i] | 0;
-      var b = num.words[j] | 0;
-      var r = a * b;
-
-      var lo = r & 0x3ffffff;
-      ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
-      lo = (lo + rword) | 0;
-      rword = lo & 0x3ffffff;
-      ncarry = (ncarry + (lo >>> 26)) | 0;
-    }
-    out.words[k] = rword | 0;
-    carry = ncarry | 0;
-  }
-  if (carry !== 0) {
-    out.words[k] = carry | 0;
-  } else {
-    out.length--;
-  }
-
-  return out.strip();
-}
-
-function bigMulTo(self, num, out) {
-  out.negative = num.negative ^ self.negative;
-  out.length = self.length + num.length;
-
-  var carry = 0;
-  var hncarry = 0;
-  for (var k = 0; k < out.length - 1; k++) {
-    // Sum all words with the same `i + j = k` and accumulate `ncarry`,
-    // note that ncarry could be >= 0x3ffffff
-    var ncarry = hncarry;
-    hncarry = 0;
-    var rword = carry & 0x3ffffff;
-    var maxJ = Math.min(k, num.length - 1);
-    for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
-      var i = k - j;
-      var a = self.words[i] | 0;
-      var b = num.words[j] | 0;
-      var r = a * b;
-
-      var lo = r & 0x3ffffff;
-      ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
-      lo = (lo + rword) | 0;
-      rword = lo & 0x3ffffff;
-      ncarry = (ncarry + (lo >>> 26)) | 0;
-
-      hncarry += ncarry >>> 26;
-      ncarry &= 0x3ffffff;
-    }
-    out.words[k] = rword;
-    carry = ncarry;
-    ncarry = hncarry;
-  }
-  if (carry !== 0) {
-    out.words[k] = carry;
-  } else {
-    out.length--;
-  }
-
-  return out.strip();
-}
-
-BN.prototype.mulTo = function mulTo(num, out) {
-  var res;
-  if (this.length + num.length < 63)
-    res = smallMulTo(this, num, out);
-  else
-    res = bigMulTo(this, num, out);
-  return res;
-};
-
-// Multiply `this` by `num`
-BN.prototype.mul = function mul(num) {
-  var out = new BN(null);
-  out.words = new Array(this.length + num.length);
-  return this.mulTo(num, out);
-};
-
-// In-place Multiplication
-BN.prototype.imul = function imul(num) {
-  if (this.cmpn(0) === 0 || num.cmpn(0) === 0) {
-    this.words[0] = 0;
-    this.length = 1;
-    return this;
-  }
-
-  var tlen = this.length;
-  var nlen = num.length;
-
-  this.negative = num.negative ^ this.negative;
-  this.length = this.length + num.length;
-  this.words[this.length - 1] = 0;
-
-  for (var k = this.length - 2; k >= 0; k--) {
-    // Sum all words with the same `i + j = k` and accumulate `carry`,
-    // note that carry could be >= 0x3ffffff
-    var carry = 0;
-    var rword = 0;
-    var maxJ = Math.min(k, nlen - 1);
-    for (var j = Math.max(0, k - tlen + 1); j <= maxJ; j++) {
-      var i = k - j;
-      var a = this.words[i] | 0;
-      var b = num.words[j] | 0;
-      var r = a * b;
-
-      var lo = r & 0x3ffffff;
-      carry += (r / 0x4000000) | 0;
-      lo += rword;
-      rword = lo & 0x3ffffff;
-      carry += lo >>> 26;
-    }
-    this.words[k] = rword;
-    this.words[k + 1] += carry;
-    carry = 0;
-  }
-
-  // Propagate overflows
-  var carry = 0;
-  for (var i = 1; i < this.length; i++) {
-    var w = (this.words[i] | 0) + carry;
-    this.words[i] = w & 0x3ffffff;
-    carry = w >>> 26;
-  }
-
-  return this.strip();
-};
-
-BN.prototype.imuln = function imuln(num) {
-  assert(typeof num === 'number');
-
-  // Carry
-  var carry = 0;
-  for (var i = 0; i < this.length; i++) {
-    var w = (this.words[i] | 0) * num;
-    var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
-    carry >>= 26;
-    carry += (w / 0x4000000) | 0;
-    // NOTE: lo is 27bit maximum
-    carry += lo >>> 26;
-    this.words[i] = lo & 0x3ffffff;
-  }
-
-  if (carry !== 0) {
-    this.words[i] = carry;
-    this.length++;
-  }
-
-  return this;
-};
-
-BN.prototype.muln = function muln(num) {
-  return this.clone().imuln(num);
-};
-
-// `this` * `this`
-BN.prototype.sqr = function sqr() {
-  return this.mul(this);
-};
-
-// `this` * `this` in-place
-BN.prototype.isqr = function isqr() {
-  return this.mul(this);
-};
-
-// Math.pow(`this`, `num`)
-BN.prototype.pow = function pow(num) {
-  var w = toBitArray(num);
-  if (w.length === 0)
-    return new BN(1);
-
-  // Skip leading zeroes
-  var res = this;
-  for (var i = 0; i < w.length; i++, res = res.sqr())
-    if (w[i] !== 0)
-      break;
-
-  if (++i < w.length) {
-    for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
-      if (w[i] === 0)
-        continue;
-      res = res.mul(q);
-    }
-  }
-
-  return res;
-};
-
-// Shift-left in-place
-BN.prototype.iushln = function iushln(bits) {
-  assert(typeof bits === 'number' && bits >= 0);
-  var r = bits % 26;
-  var s = (bits - r) / 26;
-  var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
-
-  if (r !== 0) {
-    var carry = 0;
-    for (var i = 0; i < this.length; i++) {
-      var newCarry = this.words[i] & carryMask;
-      var c = ((this.words[i] | 0) - newCarry) << r;
-      this.words[i] = c | carry;
-      carry = newCarry >>> (26 - r);
-    }
-    if (carry) {
-      this.words[i] = carry;
-      this.length++;
-    }
-  }
-
-  if (s !== 0) {
-    for (var i = this.length - 1; i >= 0; i--)
-      this.words[i + s] = this.words[i];
-    for (var i = 0; i < s; i++)
-      this.words[i] = 0;
-    this.length += s;
-  }
-
-  return this.strip();
-};
-
-BN.prototype.ishln = function ishln(bits) {
-  // TODO(indutny): implement me
-  assert(this.negative === 0);
-  return this.iushln(bits);
-};
-
-// Shift-right in-place
-// NOTE: `hint` is a lowest bit before trailing zeroes
-// NOTE: if `extended` is present - it will be filled with destroyed bits
-BN.prototype.iushrn = function iushrn(bits, hint, extended) {
-  assert(typeof bits === 'number' && bits >= 0);
-  var h;
-  if (hint)
-    h = (hint - (hint % 26)) / 26;
-  else
-    h = 0;
-
-  var r = bits % 26;
-  var s = Math.min((bits - r) / 26, this.length);
-  var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
-  var maskedWords = extended;
-
-  h -= s;
-  h = Math.max(0, h);
-
-  // Extended mode, copy masked part
-  if (maskedWords) {
-    for (var i = 0; i < s; i++)
-      maskedWords.words[i] = this.words[i];
-    maskedWords.length = s;
-  }
-
-  if (s === 0) {
-    // No-op, we should not move anything at all
-  } else if (this.length > s) {
-    this.length -= s;
-    for (var i = 0; i < this.length; i++)
-      this.words[i] = this.words[i + s];
-  } else {
-    this.words[0] = 0;
-    this.length = 1;
-  }
-
-  var carry = 0;
-  for (var i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
-    var word = this.words[i] | 0;
-    this.words[i] = (carry << (26 - r)) | (word >>> r);
-    carry = word & mask;
-  }
-
-  // Push carried bits as a mask
-  if (maskedWords && carry !== 0)
-    maskedWords.words[maskedWords.length++] = carry;
-
-  if (this.length === 0) {
-    this.words[0] = 0;
-    this.length = 1;
-  }
-
-  this.strip();
-
-  return this;
-};
-
-BN.prototype.ishrn = function ishrn(bits, hint, extended) {
-  // TODO(indutny): implement me
-  assert(this.negative === 0);
-  return this.iushrn(bits, hint, extended);
-};
-
-// Shift-left
-BN.prototype.shln = function shln(bits) {
-  return this.clone().ishln(bits);
-};
-
-BN.prototype.ushln = function ushln(bits) {
-  return this.clone().iushln(bits);
-};
-
-// Shift-right
-BN.prototype.shrn = function shrn(bits) {
-  return this.clone().ishrn(bits);
-};
-
-BN.prototype.ushrn = function ushrn(bits) {
-  return this.clone().iushrn(bits);
-};
-
-// Test if n bit is set
-BN.prototype.testn = function testn(bit) {
-  assert(typeof bit === 'number' && bit >= 0);
-  var r = bit % 26;
-  var s = (bit - r) / 26;
-  var q = 1 << r;
-
-  // Fast case: bit is much higher than all existing words
-  if (this.length <= s) {
-    return false;
-  }
-
-  // Check bit and return
-  var w = this.words[s];
-
-  return !!(w & q);
-};
-
-// Return only lowers bits of number (in-place)
-BN.prototype.imaskn = function imaskn(bits) {
-  assert(typeof bits === 'number' && bits >= 0);
-  var r = bits % 26;
-  var s = (bits - r) / 26;
-
-  assert(this.negative === 0, 'imaskn works only with positive numbers');
-
-  if (r !== 0)
-    s++;
-  this.length = Math.min(s, this.length);
-
-  if (r !== 0) {
-    var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
-    this.words[this.length - 1] &= mask;
-  }
-
-  return this.strip();
-};
-
-// Return only lowers bits of number
-BN.prototype.maskn = function maskn(bits) {
-  return this.clone().imaskn(bits);
-};
-
-// Add plain number `num` to `this`
-BN.prototype.iaddn = function iaddn(num) {
-  assert(typeof num === 'number');
-  if (num < 0)
-    return this.isubn(-num);
-
-  // Possible sign change
-  if (this.negative !== 0) {
-    if (this.length === 1 && (this.words[0] | 0) < num) {
-      this.words[0] = num - (this.words[0] | 0);
-      this.negative = 0;
-      return this;
-    }
-
-    this.negative = 0;
-    this.isubn(num);
-    this.negative = 1;
-    return this;
-  }
-
-  // Add without checks
-  return this._iaddn(num);
-};
-
-BN.prototype._iaddn = function _iaddn(num) {
-  this.words[0] += num;
-
-  // Carry
-  for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
-    this.words[i] -= 0x4000000;
-    if (i === this.length - 1)
-      this.words[i + 1] = 1;
-    else
-      this.words[i + 1]++;
-  }
-  this.length = Math.max(this.length, i + 1);
-
-  return this;
-};
-
-// Subtract plain number `num` from `this`
-BN.prototype.isubn = function isubn(num) {
-  assert(typeof num === 'number');
-  if (num < 0)
-    return this.iaddn(-num);
-
-  if (this.negative !== 0) {
-    this.negative = 0;
-    this.iaddn(num);
-    this.negative = 1;
-    return this;
-  }
-
-  this.words[0] -= num;
-
-  // Carry
-  for (var i = 0; i < this.length && this.words[i] < 0; i++) {
-    this.words[i] += 0x4000000;
-    this.words[i + 1] -= 1;
-  }
-
-  return this.strip();
-};
-
-BN.prototype.addn = function addn(num) {
-  return this.clone().iaddn(num);
-};
-
-BN.prototype.subn = function subn(num) {
-  return this.clone().isubn(num);
-};
-
-BN.prototype.iabs = function iabs() {
-  this.negative = 0;
-
-  return this;
-};
-
-BN.prototype.abs = function abs() {
-  return this.clone().iabs();
-};
-
-BN.prototype._ishlnsubmul = function _ishlnsubmul(num, mul, shift) {
-  // Bigger storage is needed
-  var len = num.length + shift;
-  var i;
-  if (this.words.length < len) {
-    var t = new Array(len);
-    for (var i = 0; i < this.length; i++)
-      t[i] = this.words[i];
-    this.words = t;
-  } else {
-    i = this.length;
-  }
-
-  // Zeroify rest
-  this.length = Math.max(this.length, len);
-  for (; i < this.length; i++)
-    this.words[i] = 0;
-
-  var carry = 0;
-  for (var i = 0; i < num.length; i++) {
-    var w = (this.words[i + shift] | 0) + carry;
-    var right = (num.words[i] | 0) * mul;
-    w -= right & 0x3ffffff;
-    carry = (w >> 26) - ((right / 0x4000000) | 0);
-    this.words[i + shift] = w & 0x3ffffff;
-  }
-  for (; i < this.length - shift; i++) {
-    var w = (this.words[i + shift] | 0) + carry;
-    carry = w >> 26;
-    this.words[i + shift] = w & 0x3ffffff;
-  }
-
-  if (carry === 0)
-    return this.strip();
-
-  // Subtraction overflow
-  assert(carry === -1);
-  carry = 0;
-  for (var i = 0; i < this.length; i++) {
-    var w = -(this.words[i] | 0) + carry;
-    carry = w >> 26;
-    this.words[i] = w & 0x3ffffff;
-  }
-  this.negative = 1;
-
-  return this.strip();
-};
-
-BN.prototype._wordDiv = function _wordDiv(num, mode) {
-  var shift = this.length - num.length;
-
-  var a = this.clone();
-  var b = num;
-
-  // Normalize
-  var bhi = b.words[b.length - 1] | 0;
-  var bhiBits = this._countBits(bhi);
-  shift = 26 - bhiBits;
-  if (shift !== 0) {
-    b = b.ushln(shift);
-    a.iushln(shift);
-    bhi = b.words[b.length - 1] | 0;
-  }
-
-  // Initialize quotient
-  var m = a.length - b.length;
-  var q;
-
-  if (mode !== 'mod') {
-    q = new BN(null);
-    q.length = m + 1;
-    q.words = new Array(q.length);
-    for (var i = 0; i < q.length; i++)
-      q.words[i] = 0;
-  }
-
-  var diff = a.clone()._ishlnsubmul(b, 1, m);
-  if (diff.negative === 0) {
-    a = diff;
-    if (q)
-      q.words[m] = 1;
-  }
-
-  for (var j = m - 1; j >= 0; j--) {
-    var qj = (a.words[b.length + j] | 0) * 0x4000000 +
-             (a.words[b.length + j - 1] | 0);
-
-    // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
-    // (0x7ffffff)
-    qj = Math.min((qj / bhi) | 0, 0x3ffffff);
-
-    a._ishlnsubmul(b, qj, j);
-    while (a.negative !== 0) {
-      qj--;
-      a.negative = 0;
-      a._ishlnsubmul(b, 1, j);
-      if (a.cmpn(0) !== 0)
-        a.negative ^= 1;
-    }
-    if (q)
-      q.words[j] = qj;
-  }
-  if (q)
-    q.strip();
-  a.strip();
-
-  // Denormalize
-  if (mode !== 'div' && shift !== 0)
-    a.iushrn(shift);
-  return { div: q ? q : null, mod: a };
-};
-
-BN.prototype.divmod = function divmod(num, mode, positive) {
-  assert(num.cmpn(0) !== 0);
-
-  if (this.negative !== 0 && num.negative === 0) {
-    var res = this.neg().divmod(num, mode);
-    var div;
-    var mod;
-    if (mode !== 'mod')
-      div = res.div.neg();
-    if (mode !== 'div') {
-      mod = res.mod.neg();
-      if (positive && mod.neg)
-        mod = mod.add(num);
-    }
-    return {
-      div: div,
-      mod: mod
-    };
-  } else if (this.negative === 0 && num.negative !== 0) {
-    var res = this.divmod(num.neg(), mode);
-    var div;
-    if (mode !== 'mod')
-      div = res.div.neg();
-    return { div: div, mod: res.mod };
-  } else if ((this.negative & num.negative) !== 0) {
-    var res = this.neg().divmod(num.neg(), mode);
-    var mod;
-    if (mode !== 'div') {
-      mod = res.mod.neg();
-      if (positive && mod.neg)
-        mod = mod.isub(num);
-    }
-    return {
-      div: res.div,
-      mod: mod
-    };
-  }
-
-  // Both numbers are positive at this point
-
-  // Strip both numbers to approximate shift value
-  if (num.length > this.length || this.cmp(num) < 0)
-    return { div: new BN(0), mod: this };
-
-  // Very short reduction
-  if (num.length === 1) {
-    if (mode === 'div')
-      return { div: this.divn(num.words[0]), mod: null };
-    else if (mode === 'mod')
-      return { div: null, mod: new BN(this.modn(num.words[0])) };
-    return {
-      div: this.divn(num.words[0]),
-      mod: new BN(this.modn(num.words[0]))
-    };
-  }
-
-  return this._wordDiv(num, mode);
-};
-
-// Find `this` / `num`
-BN.prototype.div = function div(num) {
-  return this.divmod(num, 'div', false).div;
-};
-
-// Find `this` % `num`
-BN.prototype.mod = function mod(num) {
-  return this.divmod(num, 'mod', false).mod;
-};
-
-BN.prototype.umod = function umod(num) {
-  return this.divmod(num, 'mod', true).mod;
-};
-
-// Find Round(`this` / `num`)
-BN.prototype.divRound = function divRound(num) {
-  var dm = this.divmod(num);
-
-  // Fast case - exact division
-  if (dm.mod.cmpn(0) === 0)
-    return dm.div;
-
-  var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
-
-  var half = num.ushrn(1);
-  var r2 = num.andln(1);
-  var cmp = mod.cmp(half);
-
-  // Round down
-  if (cmp < 0 || r2 === 1 && cmp === 0)
-    return dm.div;
-
-  // Round up
-  return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
-};
-
-BN.prototype.modn = function modn(num) {
-  assert(num <= 0x3ffffff);
-  var p = (1 << 26) % num;
-
-  var acc = 0;
-  for (var i = this.length - 1; i >= 0; i--)
-    acc = (p * acc + (this.words[i] | 0)) % num;
-
-  return acc;
-};
-
-// In-place division by number
-BN.prototype.idivn = function idivn(num) {
-  assert(num <= 0x3ffffff);
-
-  var carry = 0;
-  for (var i = this.length - 1; i >= 0; i--) {
-    var w = (this.words[i] | 0) + carry * 0x4000000;
-    this.words[i] = (w / num) | 0;
-    carry = w % num;
-  }
-
-  return this.strip();
-};
-
-BN.prototype.divn = function divn(num) {
-  return this.clone().idivn(num);
-};
-
-BN.prototype.egcd = function egcd(p) {
-  assert(p.negative === 0);
-  assert(p.cmpn(0) !== 0);
-
-  var x = this;
-  var y = p.clone();
-
-  if (x.negative !== 0)
-    x = x.umod(p);
-  else
-    x = x.clone();
-
-  // A * x + B * y = x
-  var A = new BN(1);
-  var B = new BN(0);
-
-  // C * x + D * y = y
-  var C = new BN(0);
-  var D = new BN(1);
-
-  var g = 0;
-
-  while (x.isEven() && y.isEven()) {
-    x.iushrn(1);
-    y.iushrn(1);
-    ++g;
-  }
-
-  var yp = y.clone();
-  var xp = x.clone();
-
-  while (x.cmpn(0) !== 0) {
-    while (x.isEven()) {
-      x.iushrn(1);
-      if (A.isEven() && B.isEven()) {
-        A.iushrn(1);
-        B.iushrn(1);
-      } else {
-        A.iadd(yp).iushrn(1);
-        B.isub(xp).iushrn(1);
-      }
-    }
-
-    while (y.isEven()) {
-      y.iushrn(1);
-      if (C.isEven() && D.isEven()) {
-        C.iushrn(1);
-        D.iushrn(1);
-      } else {
-        C.iadd(yp).iushrn(1);
-        D.isub(xp).iushrn(1);
-      }
-    }
-
-    if (x.cmp(y) >= 0) {
-      x.isub(y);
-      A.isub(C);
-      B.isub(D);
-    } else {
-      y.isub(x);
-      C.isub(A);
-      D.isub(B);
-    }
-  }
-
-  return {
-    a: C,
-    b: D,
-    gcd: y.iushln(g)
-  };
-};
-
-// This is reduced incarnation of the binary EEA
-// above, designated to invert members of the
-// _prime_ fields F(p) at a maximal speed
-BN.prototype._invmp = function _invmp(p) {
-  assert(p.negative === 0);
-  assert(p.cmpn(0) !== 0);
-
-  var a = this;
-  var b = p.clone();
-
-  if (a.negative !== 0)
-    a = a.umod(p);
-  else
-    a = a.clone();
-
-  var x1 = new BN(1);
-  var x2 = new BN(0);
-
-  var delta = b.clone();
-
-  while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
-    while (a.isEven()) {
-      a.iushrn(1);
-      if (x1.isEven())
-        x1.iushrn(1);
-      else
-        x1.iadd(delta).iushrn(1);
-    }
-    while (b.isEven()) {
-      b.iushrn(1);
-      if (x2.isEven())
-        x2.iushrn(1);
-      else
-        x2.iadd(delta).iushrn(1);
-    }
-    if (a.cmp(b) >= 0) {
-      a.isub(b);
-      x1.isub(x2);
-    } else {
-      b.isub(a);
-      x2.isub(x1);
-    }
-  }
-
-  var res;
-  if (a.cmpn(1) === 0)
-    res = x1;
-  else
-    res = x2;
-
-  if (res.cmpn(0) < 0)
-    res.iadd(p);
-
-  return res;
-};
-
-BN.prototype.gcd = function gcd(num) {
-  if (this.cmpn(0) === 0)
-    return num.clone();
-  if (num.cmpn(0) === 0)
-    return this.clone();
-
-  var a = this.clone();
-  var b = num.clone();
-  a.negative = 0;
-  b.negative = 0;
-
-  // Remove common factor of two
-  for (var shift = 0; a.isEven() && b.isEven(); shift++) {
-    a.iushrn(1);
-    b.iushrn(1);
-  }
-
-  do {
-    while (a.isEven())
-      a.iushrn(1);
-    while (b.isEven())
-      b.iushrn(1);
-
-    var r = a.cmp(b);
-    if (r < 0) {
-      // Swap `a` and `b` to make `a` always bigger than `b`
-      var t = a;
-      a = b;
-      b = t;
-    } else if (r === 0 || b.cmpn(1) === 0) {
-      break;
-    }
-
-    a.isub(b);
-  } while (true);
-
-  return b.iushln(shift);
-};
-
-// Invert number in the field F(num)
-BN.prototype.invm = function invm(num) {
-  return this.egcd(num).a.umod(num);
-};
-
-BN.prototype.isEven = function isEven() {
-  return (this.words[0] & 1) === 0;
-};
-
-BN.prototype.isOdd = function isOdd() {
-  return (this.words[0] & 1) === 1;
-};
-
-// And first word and num
-BN.prototype.andln = function andln(num) {
-  return this.words[0] & num;
-};
-
-// Increment at the bit position in-line
-BN.prototype.bincn = function bincn(bit) {
-  assert(typeof bit === 'number');
-  var r = bit % 26;
-  var s = (bit - r) / 26;
-  var q = 1 << r;
-
-  // Fast case: bit is much higher than all existing words
-  if (this.length <= s) {
-    for (var i = this.length; i < s + 1; i++)
-      this.words[i] = 0;
-    this.words[s] |= q;
-    this.length = s + 1;
-    return this;
-  }
-
-  // Add bit and propagate, if needed
-  var carry = q;
-  for (var i = s; carry !== 0 && i < this.length; i++) {
-    var w = this.words[i] | 0;
-    w += carry;
-    carry = w >>> 26;
-    w &= 0x3ffffff;
-    this.words[i] = w;
-  }
-  if (carry !== 0) {
-    this.words[i] = carry;
-    this.length++;
-  }
-  return this;
-};
-
-BN.prototype.cmpn = function cmpn(num) {
-  var negative = num < 0;
-  if (negative)
-    num = -num;
-
-  if (this.negative !== 0 && !negative)
-    return -1;
-  else if (this.negative === 0 && negative)
-    return 1;
-
-  num &= 0x3ffffff;
-  this.strip();
-
-  var res;
-  if (this.length > 1) {
-    res = 1;
-  } else {
-    var w = this.words[0] | 0;
-    res = w === num ? 0 : w < num ? -1 : 1;
-  }
-  if (this.negative !== 0)
-    res = -res;
-  return res;
-};
-
-// Compare two numbers and return:
-// 1 - if `this` > `num`
-// 0 - if `this` == `num`
-// -1 - if `this` < `num`
-BN.prototype.cmp = function cmp(num) {
-  if (this.negative !== 0 && num.negative === 0)
-    return -1;
-  else if (this.negative === 0 && num.negative !== 0)
-    return 1;
-
-  var res = this.ucmp(num);
-  if (this.negative !== 0)
-    return -res;
-  else
-    return res;
-};
-
-// Unsigned comparison
-BN.prototype.ucmp = function ucmp(num) {
-  // At this point both numbers have the same sign
-  if (this.length > num.length)
-    return 1;
-  else if (this.length < num.length)
-    return -1;
-
-  var res = 0;
-  for (var i = this.length - 1; i >= 0; i--) {
-    var a = this.words[i] | 0;
-    var b = num.words[i] | 0;
-
-    if (a === b)
-      continue;
-    if (a < b)
-      res = -1;
-    else if (a > b)
-      res = 1;
-    break;
-  }
-  return res;
-};
-
-//
-// A reduce context, could be using montgomery or something better, depending
-// on the `m` itself.
-//
-BN.red = function red(num) {
-  return new Red(num);
-};
-
-BN.prototype.toRed = function toRed(ctx) {
-  assert(!this.red, 'Already a number in reduction context');
-  assert(this.negative === 0, 'red works only with positives');
-  return ctx.convertTo(this)._forceRed(ctx);
-};
-
-BN.prototype.fromRed = function fromRed() {
-  assert(this.red, 'fromRed works only with numbers in reduction context');
-  return this.red.convertFrom(this);
-};
-
-BN.prototype._forceRed = function _forceRed(ctx) {
-  this.red = ctx;
-  return this;
-};
-
-BN.prototype.forceRed = function forceRed(ctx) {
-  assert(!this.red, 'Already a number in reduction context');
-  return this._forceRed(ctx);
-};
-
-BN.prototype.redAdd = function redAdd(num) {
-  assert(this.red, 'redAdd works only with red numbers');
-  return this.red.add(this, num);
-};
-
-BN.prototype.redIAdd = function redIAdd(num) {
-  assert(this.red, 'redIAdd works only with red numbers');
-  return this.red.iadd(this, num);
-};
-
-BN.prototype.redSub = function redSub(num) {
-  assert(this.red, 'redSub works only with red numbers');
-  return this.red.sub(this, num);
-};
-
-BN.prototype.redISub = function redISub(num) {
-  assert(this.red, 'redISub works only with red numbers');
-  return this.red.isub(this, num);
-};
-
-BN.prototype.redShl = function redShl(num) {
-  assert(this.red, 'redShl works only with red numbers');
-  return this.red.ushl(this, num);
-};
-
-BN.prototype.redMul = function redMul(num) {
-  assert(this.red, 'redMul works only with red numbers');
-  this.red._verify2(this, num);
-  return this.red.mul(this, num);
-};
-
-BN.prototype.redIMul = function redIMul(num) {
-  assert(this.red, 'redMul works only with red numbers');
-  this.red._verify2(this, num);
-  return this.red.imul(this, num);
-};
-
-BN.prototype.redSqr = function redSqr() {
-  assert(this.red, 'redSqr works only with red numbers');
-  this.red._verify1(this);
-  return this.red.sqr(this);
-};
-
-BN.prototype.redISqr = function redISqr() {
-  assert(this.red, 'redISqr works only with red numbers');
-  this.red._verify1(this);
-  return this.red.isqr(this);
-};
-
-// Square root over p
-BN.prototype.redSqrt = function redSqrt() {
-  assert(this.red, 'redSqrt works only with red numbers');
-  this.red._verify1(this);
-  return this.red.sqrt(this);
-};
-
-BN.prototype.redInvm = function redInvm() {
-  assert(this.red, 'redInvm works only with red numbers');
-  this.red._verify1(this);
-  return this.red.invm(this);
-};
-
-// Return negative clone of `this` % `red modulo`
-BN.prototype.redNeg = function redNeg() {
-  assert(this.red, 'redNeg works only with red numbers');
-  this.red._verify1(this);
-  return this.red.neg(this);
-};
-
-BN.prototype.redPow = function redPow(num) {
-  assert(this.red && !num.red, 'redPow(normalNum)');
-  this.red._verify1(this);
-  return this.red.pow(this, num);
-};
-
-// Prime numbers with efficient reduction
-var primes = {
-  k256: null,
-  p224: null,
-  p192: null,
-  p25519: null
-};
-
-// Pseudo-Mersenne prime
-function MPrime(name, p) {
-  // P = 2 ^ N - K
-  this.name = name;
-  this.p = new BN(p, 16);
-  this.n = this.p.bitLength();
-  this.k = new BN(1).iushln(this.n).isub(this.p);
-
-  this.tmp = this._tmp();
-}
-
-MPrime.prototype._tmp = function _tmp() {
-  var tmp = new BN(null);
-  tmp.words = new Array(Math.ceil(this.n / 13));
-  return tmp;
-};
-
-MPrime.prototype.ireduce = function ireduce(num) {
-  // Assumes that `num` is less than `P^2`
-  // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
-  var r = num;
-  var rlen;
-
-  do {
-    this.split(r, this.tmp);
-    r = this.imulK(r);
-    r = r.iadd(this.tmp);
-    rlen = r.bitLength();
-  } while (rlen > this.n);
-
-  var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
-  if (cmp === 0) {
-    r.words[0] = 0;
-    r.length = 1;
-  } else if (cmp > 0) {
-    r.isub(this.p);
-  } else {
-    r.strip();
-  }
-
-  return r;
-};
-
-MPrime.prototype.split = function split(input, out) {
-  input.iushrn(this.n, 0, out);
-};
-
-MPrime.prototype.imulK = function imulK(num) {
-  return num.imul(this.k);
-};
-
-function K256() {
-  MPrime.call(
-    this,
-    'k256',
-    'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
-}
-inherits(K256, MPrime);
-
-K256.prototype.split = function split(input, output) {
-  // 256 = 9 * 26 + 22
-  var mask = 0x3fffff;
-
-  var outLen = Math.min(input.length, 9);
-  for (var i = 0; i < outLen; i++)
-    output.words[i] = input.words[i];
-  output.length = outLen;
-
-  if (input.length <= 9) {
-    input.words[0] = 0;
-    input.length = 1;
-    return;
-  }
-
-  // Shift by 9 limbs
-  var prev = input.words[9];
-  output.words[output.length++] = prev & mask;
-
-  for (var i = 10; i < input.length; i++) {
-    var next = input.words[i] | 0;
-    input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
-    prev = next;
-  }
-  input.words[i - 10] = prev >>> 22;
-  input.length -= 9;
-};
-
-K256.prototype.imulK = function imulK(num) {
-  // K = 0x1000003d1 = [ 0x40, 0x3d1 ]
-  num.words[num.length] = 0;
-  num.words[num.length + 1] = 0;
-  num.length += 2;
-
-  // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
-  var hi;
-  var lo = 0;
-  for (var i = 0; i < num.length; i++) {
-    var w = num.words[i] | 0;
-    hi = w * 0x40;
-    lo += w * 0x3d1;
-    hi += (lo / 0x4000000) | 0;
-    lo &= 0x3ffffff;
-
-    num.words[i] = lo;
-
-    lo = hi;
-  }
-
-  // Fast length reduction
-  if (num.words[num.length - 1] === 0) {
-    num.length--;
-    if (num.words[num.length - 1] === 0)
-      num.length--;
-  }
-  return num;
-};
-
-function P224() {
-  MPrime.call(
-    this,
-    'p224',
-    'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
-}
-inherits(P224, MPrime);
-
-function P192() {
-  MPrime.call(
-    this,
-    'p192',
-    'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
-}
-inherits(P192, MPrime);
-
-function P25519() {
-  // 2 ^ 255 - 19
-  MPrime.call(
-    this,
-    '25519',
-    '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
-}
-inherits(P25519, MPrime);
-
-P25519.prototype.imulK = function imulK(num) {
-  // K = 0x13
-  var carry = 0;
-  for (var i = 0; i < num.length; i++) {
-    var hi = (num.words[i] | 0) * 0x13 + carry;
-    var lo = hi & 0x3ffffff;
-    hi >>>= 26;
-
-    num.words[i] = lo;
-    carry = hi;
-  }
-  if (carry !== 0)
-    num.words[num.length++] = carry;
-  return num;
-};
-
-// Exported mostly for testing purposes, use plain name instead
-BN._prime = function prime(name) {
-  // Cached version of prime
-  if (primes[name])
-    return primes[name];
-
-  var prime;
-  if (name === 'k256')
-    prime = new K256();
-  else if (name === 'p224')
-    prime = new P224();
-  else if (name === 'p192')
-    prime = new P192();
-  else if (name === 'p25519')
-    prime = new P25519();
-  else
-    throw new Error('Unknown prime ' + name);
-  primes[name] = prime;
-
-  return prime;
-};
-
-//
-// Base reduction engine
-//
-function Red(m) {
-  if (typeof m === 'string') {
-    var prime = BN._prime(m);
-    this.m = prime.p;
-    this.prime = prime;
-  } else {
-    this.m = m;
-    this.prime = null;
-  }
-}
-
-Red.prototype._verify1 = function _verify1(a) {
-  assert(a.negative === 0, 'red works only with positives');
-  assert(a.red, 'red works only with red numbers');
-};
-
-Red.prototype._verify2 = function _verify2(a, b) {
-  assert((a.negative | b.negative) === 0, 'red works only with positives');
-  assert(a.red && a.red === b.red,
-         'red works only with red numbers');
-};
-
-Red.prototype.imod = function imod(a) {
-  if (this.prime)
-    return this.prime.ireduce(a)._forceRed(this);
-  return a.umod(this.m)._forceRed(this);
-};
-
-Red.prototype.neg = function neg(a) {
-  var r = a.clone();
-  r.negative ^= 1;
-  return r.iadd(this.m)._forceRed(this);
-};
-
-Red.prototype.add = function add(a, b) {
-  this._verify2(a, b);
-
-  var res = a.add(b);
-  if (res.cmp(this.m) >= 0)
-    res.isub(this.m);
-  return res._forceRed(this);
-};
-
-Red.prototype.iadd = function iadd(a, b) {
-  this._verify2(a, b);
-
-  var res = a.iadd(b);
-  if (res.cmp(this.m) >= 0)
-    res.isub(this.m);
-  return res;
-};
-
-Red.prototype.sub = function sub(a, b) {
-  this._verify2(a, b);
-
-  var res = a.sub(b);
-  if (res.cmpn(0) < 0)
-    res.iadd(this.m);
-  return res._forceRed(this);
-};
-
-Red.prototype.isub = function isub(a, b) {
-  this._verify2(a, b);
-
-  var res = a.isub(b);
-  if (res.cmpn(0) < 0)
-    res.iadd(this.m);
-  return res;
-};
-
-Red.prototype.shl = function shl(a, num) {
-  this._verify1(a);
-  return this.imod(a.ushln(num));
-};
-
-Red.prototype.imul = function imul(a, b) {
-  this._verify2(a, b);
-  return this.imod(a.imul(b));
-};
-
-Red.prototype.mul = function mul(a, b) {
-  this._verify2(a, b);
-  return this.imod(a.mul(b));
-};
-
-Red.prototype.isqr = function isqr(a) {
-  return this.imul(a, a);
-};
-
-Red.prototype.sqr = function sqr(a) {
-  return this.mul(a, a);
-};
-
-Red.prototype.sqrt = function sqrt(a) {
-  if (a.cmpn(0) === 0)
-    return a.clone();
-
-  var mod3 = this.m.andln(3);
-  assert(mod3 % 2 === 1);
-
-  // Fast case
-  if (mod3 === 3) {
-    var pow = this.m.add(new BN(1)).iushrn(2);
-    var r = this.pow(a, pow);
-    return r;
-  }
-
-  // Tonelli-Shanks algorithm (Totally unoptimized and slow)
-  //
-  // Find Q and S, that Q * 2 ^ S = (P - 1)
-  var q = this.m.subn(1);
-  var s = 0;
-  while (q.cmpn(0) !== 0 && q.andln(1) === 0) {
-    s++;
-    q.iushrn(1);
-  }
-  assert(q.cmpn(0) !== 0);
-
-  var one = new BN(1).toRed(this);
-  var nOne = one.redNeg();
-
-  // Find quadratic non-residue
-  // NOTE: Max is such because of generalized Riemann hypothesis.
-  var lpow = this.m.subn(1).iushrn(1);
-  var z = this.m.bitLength();
-  z = new BN(2 * z * z).toRed(this);
-  while (this.pow(z, lpow).cmp(nOne) !== 0)
-    z.redIAdd(nOne);
-
-  var c = this.pow(z, q);
-  var r = this.pow(a, q.addn(1).iushrn(1));
-  var t = this.pow(a, q);
-  var m = s;
-  while (t.cmp(one) !== 0) {
-    var tmp = t;
-    for (var i = 0; tmp.cmp(one) !== 0; i++)
-      tmp = tmp.redSqr();
-    assert(i < m);
-    var b = this.pow(c, new BN(1).iushln(m - i - 1));
-
-    r = r.redMul(b);
-    c = b.redSqr();
-    t = t.redMul(c);
-    m = i;
-  }
-
-  return r;
-};
-
-Red.prototype.invm = function invm(a) {
-  var inv = a._invmp(this.m);
-  if (inv.negative !== 0) {
-    inv.negative = 0;
-    return this.imod(inv).redNeg();
-  } else {
-    return this.imod(inv);
-  }
-};
-
-Red.prototype.pow = function pow(a, num) {
-  if (num.cmpn(0) === 0)
-    return new BN(1);
-  if (num.cmpn(1) === 0)
-    return a.clone();
-
-  var windowSize = 4;
-  var wnd = new Array(1 << windowSize);
-  wnd[0] = new BN(1).toRed(this);
-  wnd[1] = a;
-  for (var i = 2; i < wnd.length; i++)
-    wnd[i] = this.mul(wnd[i - 1], a);
-
-  var res = wnd[0];
-  var current = 0;
-  var currentLen = 0;
-  var start = num.bitLength() % 26;
-  if (start === 0)
-    start = 26;
-  for (var i = num.length - 1; i >= 0; i--) {
-    var word = num.words[i];
-    for (var j = start - 1; j >= 0; j--) {
-      var bit = (word >> j) & 1;
-      if (res !== wnd[0])
-        res = this.sqr(res);
-      if (bit === 0 && current === 0) {
-        currentLen = 0;
-        continue;
-      }
-
-      current <<= 1;
-      current |= bit;
-      currentLen++;
-      if (currentLen !== windowSize && (i !== 0 || j !== 0))
-        continue;
-
-      res = this.mul(res, wnd[current]);
-      currentLen = 0;
-      current = 0;
-    }
-    start = 26;
-  }
-
-  return res;
-};
-
-Red.prototype.convertTo = function convertTo(num) {
-  var r = num.umod(this.m);
-  if (r === num)
-    return r.clone();
-  else
-    return r;
-};
-
-Red.prototype.convertFrom = function convertFrom(num) {
-  var res = num.clone();
-  res.red = null;
-  return res;
-};
-
-//
-// Montgomery method engine
-//
-
-BN.mont = function mont(num) {
-  return new Mont(num);
-};
-
-function Mont(m) {
-  Red.call(this, m);
-
-  this.shift = this.m.bitLength();
-  if (this.shift % 26 !== 0)
-    this.shift += 26 - (this.shift % 26);
-  this.r = new BN(1).iushln(this.shift);
-  this.r2 = this.imod(this.r.sqr());
-  this.rinv = this.r._invmp(this.m);
-
-  this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
-  this.minv = this.minv.umod(this.r);
-  this.minv = this.r.sub(this.minv);
-}
-inherits(Mont, Red);
-
-Mont.prototype.convertTo = function convertTo(num) {
-  return this.imod(num.ushln(this.shift));
-};
-
-Mont.prototype.convertFrom = function convertFrom(num) {
-  var r = this.imod(num.mul(this.rinv));
-  r.red = null;
-  return r;
-};
-
-Mont.prototype.imul = function imul(a, b) {
-  if (a.cmpn(0) === 0 || b.cmpn(0) === 0) {
-    a.words[0] = 0;
-    a.length = 1;
-    return a;
-  }
-
-  var t = a.imul(b);
-  var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
-  var u = t.isub(c).iushrn(this.shift);
-  var res = u;
-  if (u.cmp(this.m) >= 0)
-    res = u.isub(this.m);
-  else if (u.cmpn(0) < 0)
-    res = u.iadd(this.m);
-
-  return res._forceRed(this);
-};
-
-Mont.prototype.mul = function mul(a, b) {
-  if (a.cmpn(0) === 0 || b.cmpn(0) === 0)
-    return new BN(0)._forceRed(this);
-
-  var t = a.mul(b);
-  var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
-  var u = t.isub(c).iushrn(this.shift);
-  var res = u;
-  if (u.cmp(this.m) >= 0)
-    res = u.isub(this.m);
-  else if (u.cmpn(0) < 0)
-    res = u.iadd(this.m);
-
-  return res._forceRed(this);
-};
-
-Mont.prototype.invm = function invm(a) {
-  // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
-  var res = this.imod(a._invmp(this.m).mul(this.r2));
-  return res._forceRed(this);
-};
-
-})(typeof module === 'undefined' || module, this);
-
-},{}],18:[function(require,module,exports){
-var r;
-
-module.exports = function rand(len) {
-  if (!r)
-    r = new Rand(null);
-
-  return r.generate(len);
-};
-
-function Rand(rand) {
-  this.rand = rand;
-}
-module.exports.Rand = Rand;
-
-Rand.prototype.generate = function generate(len) {
-  return this._rand(len);
-};
-
-if (typeof window === 'object') {
-  if (window.crypto && window.crypto.getRandomValues) {
-    // Modern browsers
-    Rand.prototype._rand = function _rand(n) {
-      var arr = new Uint8Array(n);
-      window.crypto.getRandomValues(arr);
-      return arr;
-    };
-  } else if (window.msCrypto && window.msCrypto.getRandomValues) {
-    // IE
-    Rand.prototype._rand = function _rand(n) {
-      var arr = new Uint8Array(n);
-      window.msCrypto.getRandomValues(arr);
-      return arr;
-    };
-  } else {
-    // Old junk
-    Rand.prototype._rand = function() {
-      throw new Error('Not implemented yet');
-    };
-  }
-} else {
-  // Node.js or Web worker
-  try {
-    var crypto = require('cry' + 'pto');
-
-    Rand.prototype._rand = function _rand(n) {
-      return crypto.randomBytes(n);
-    };
-  } catch (e) {
-    // Emulate crypto API using randy
-    Rand.prototype._rand = function _rand(n) {
-      var res = new Uint8Array(n);
-      for (var i = 0; i < res.length; i++)
-        res[i] = this.rand.getByte();
-      return res;
-    };
-  }
-}
-
-},{}],19:[function(require,module,exports){
-
-},{}],20:[function(require,module,exports){
-(function (Buffer){
-// based on the aes implimentation in triple sec
-// https://github.com/keybase/triplesec
-
-// which is in turn based on the one from crypto-js
-// https://code.google.com/p/crypto-js/
-
-var uint_max = Math.pow(2, 32)
-function fixup_uint32 (x) {
-  var ret, x_pos
-  ret = x > uint_max || x < 0 ? (x_pos = Math.abs(x) % uint_max, x < 0 ? uint_max - x_pos : x_pos) : x
-  return ret
-}
-function scrub_vec (v) {
-  for (var i = 0; i < v.length; v++) {
-    v[i] = 0
-  }
-  return false
-}
-
-function Global () {
-  this.SBOX = []
-  this.INV_SBOX = []
-  this.SUB_MIX = [[], [], [], []]
-  this.INV_SUB_MIX = [[], [], [], []]
-  this.init()
-  this.RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36]
-}
-
-Global.prototype.init = function () {
-  var d, i, sx, t, x, x2, x4, x8, xi, _i
-  d = (function () {
-    var _i, _results
-    _results = []
-    for (i = _i = 0; _i < 256; i = ++_i) {
-      if (i < 128) {
-        _results.push(i << 1)
-      } else {
-        _results.push((i << 1) ^ 0x11b)
-      }
-    }
-    return _results
-  })()
-  x = 0
-  xi = 0
-  for (i = _i = 0; _i < 256; i = ++_i) {
-    sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4)
-    sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63
-    this.SBOX[x] = sx
-    this.INV_SBOX[sx] = x
-    x2 = d[x]
-    x4 = d[x2]
-    x8 = d[x4]
-    t = (d[sx] * 0x101) ^ (sx * 0x1010100)
-    this.SUB_MIX[0][x] = (t << 24) | (t >>> 8)
-    this.SUB_MIX[1][x] = (t << 16) | (t >>> 16)
-    this.SUB_MIX[2][x] = (t << 8) | (t >>> 24)
-    this.SUB_MIX[3][x] = t
-    t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100)
-    this.INV_SUB_MIX[0][sx] = (t << 24) | (t >>> 8)
-    this.INV_SUB_MIX[1][sx] = (t << 16) | (t >>> 16)
-    this.INV_SUB_MIX[2][sx] = (t << 8) | (t >>> 24)
-    this.INV_SUB_MIX[3][sx] = t
-    if (x === 0) {
-      x = xi = 1
-    } else {
-      x = x2 ^ d[d[d[x8 ^ x2]]]
-      xi ^= d[d[xi]]
-    }
-  }
-  return true
-}
-
-var G = new Global()
-
-AES.blockSize = 4 * 4
-
-AES.prototype.blockSize = AES.blockSize
-
-AES.keySize = 256 / 8
-
-AES.prototype.keySize = AES.keySize
-
-function bufferToArray (buf) {
-  var len = buf.length / 4
-  var out = new Array(len)
-  var i = -1
-  while (++i < len) {
-    out[i] = buf.readUInt32BE(i * 4)
-  }
-  return out
-}
-function AES (key) {
-  this._key = bufferToArray(key)
-  this._doReset()
-}
-
-AES.prototype._doReset = function () {
-  var invKsRow, keySize, keyWords, ksRow, ksRows, t
-  keyWords = this._key
-  keySize = keyWords.length
-  this._nRounds = keySize + 6
-  ksRows = (this._nRounds + 1) * 4
-  this._keySchedule = []
-  for (ksRow = 0; ksRow < ksRows; ksRow++) {
-    this._keySchedule[ksRow] = ksRow < keySize ? keyWords[ksRow] : (t = this._keySchedule[ksRow - 1], (ksRow % keySize) === 0 ? (t = (t << 8) | (t >>> 24), t = (G.SBOX[t >>> 24] << 24) | (G.SBOX[(t >>> 16) & 0xff] << 16) | (G.SBOX[(t >>> 8) & 0xff] << 8) | G.SBOX[t & 0xff], t ^= G.RCON[(ksRow / keySize) | 0] << 24) : keySize > 6 && ksRow % keySize === 4 ? t = (G.SBOX[t >>> 24] << 24) | (G.SBOX[(t >>> 16) & 0xff] << 16) | (G.SBOX[(t >>> 8) & 0xff] << 8) | G.SBOX[t & 0xff] : void 0, this._keySchedule[ksRow - keySize] ^ t)
-  }
-  this._invKeySchedule = []
-  for (invKsRow = 0; invKsRow < ksRows; invKsRow++) {
-    ksRow = ksRows - invKsRow
-    t = this._keySchedule[ksRow - (invKsRow % 4 ? 0 : 4)]
-    this._invKeySchedule[invKsRow] = invKsRow < 4 || ksRow <= 4 ? t : G.INV_SUB_MIX[0][G.SBOX[t >>> 24]] ^ G.INV_SUB_MIX[1][G.SBOX[(t >>> 16) & 0xff]] ^ G.INV_SUB_MIX[2][G.SBOX[(t >>> 8) & 0xff]] ^ G.INV_SUB_MIX[3][G.SBOX[t & 0xff]]
-  }
-  return true
-}
-
-AES.prototype.encryptBlock = function (M) {
-  M = bufferToArray(new Buffer(M))
-  var out = this._doCryptBlock(M, this._keySchedule, G.SUB_MIX, G.SBOX)
-  var buf = new Buffer(16)
-  buf.writeUInt32BE(out[0], 0)
-  buf.writeUInt32BE(out[1], 4)
-  buf.writeUInt32BE(out[2], 8)
-  buf.writeUInt32BE(out[3], 12)
-  return buf
-}
-
-AES.prototype.decryptBlock = function (M) {
-  M = bufferToArray(new Buffer(M))
-  var temp = [M[3], M[1]]
-  M[1] = temp[0]
-  M[3] = temp[1]
-  var out = this._doCryptBlock(M, this._invKeySchedule, G.INV_SUB_MIX, G.INV_SBOX)
-  var buf = new Buffer(16)
-  buf.writeUInt32BE(out[0], 0)
-  buf.writeUInt32BE(out[3], 4)
-  buf.writeUInt32BE(out[2], 8)
-  buf.writeUInt32BE(out[1], 12)
-  return buf
-}
-
-AES.prototype.scrub = function () {
-  scrub_vec(this._keySchedule)
-  scrub_vec(this._invKeySchedule)
-  scrub_vec(this._key)
-}
-
-AES.prototype._doCryptBlock = function (M, keySchedule, SUB_MIX, SBOX) {
-  var ksRow, s0, s1, s2, s3, t0, t1, t2, t3
-
-  s0 = M[0] ^ keySchedule[0]
-  s1 = M[1] ^ keySchedule[1]
-  s2 = M[2] ^ keySchedule[2]
-  s3 = M[3] ^ keySchedule[3]
-  ksRow = 4
-  for (var round = 1; round < this._nRounds; round++) {
-    t0 = SUB_MIX[0][s0 >>> 24] ^ SUB_MIX[1][(s1 >>> 16) & 0xff] ^ SUB_MIX[2][(s2 >>> 8) & 0xff] ^ SUB_MIX[3][s3 & 0xff] ^ keySchedule[ksRow++]
-    t1 = SUB_MIX[0][s1 >>> 24] ^ SUB_MIX[1][(s2 >>> 16) & 0xff] ^ SUB_MIX[2][(s3 >>> 8) & 0xff] ^ SUB_MIX[3][s0 & 0xff] ^ keySchedule[ksRow++]
-    t2 = SUB_MIX[0][s2 >>> 24] ^ SUB_MIX[1][(s3 >>> 16) & 0xff] ^ SUB_MIX[2][(s0 >>> 8) & 0xff] ^ SUB_MIX[3][s1 & 0xff] ^ keySchedule[ksRow++]
-    t3 = SUB_MIX[0][s3 >>> 24] ^ SUB_MIX[1][(s0 >>> 16) & 0xff] ^ SUB_MIX[2][(s1 >>> 8) & 0xff] ^ SUB_MIX[3][s2 & 0xff] ^ keySchedule[ksRow++]
-    s0 = t0
-    s1 = t1
-    s2 = t2
-    s3 = t3
-  }
-  t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++]
-  t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++]
-  t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++]
-  t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++]
-  return [
-    fixup_uint32(t0),
-    fixup_uint32(t1),
-    fixup_uint32(t2),
-    fixup_uint32(t3)
-  ]
-}
-
-exports.AES = AES
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46}],21:[function(require,module,exports){
-(function (Buffer){
-var aes = require('./aes')
-var Transform = require('cipher-base')
-var inherits = require('inherits')
-var GHASH = require('./ghash')
-var xor = require('buffer-xor')
-inherits(StreamCipher, Transform)
-module.exports = StreamCipher
-
-function StreamCipher (mode, key, iv, decrypt) {
-  if (!(this instanceof StreamCipher)) {
-    return new StreamCipher(mode, key, iv)
-  }
-  Transform.call(this)
-  this._finID = Buffer.concat([iv, new Buffer([0, 0, 0, 1])])
-  iv = Buffer.concat([iv, new Buffer([0, 0, 0, 2])])
-  this._cipher = new aes.AES(key)
-  this._prev = new Buffer(iv.length)
-  this._cache = new Buffer('')
-  this._secCache = new Buffer('')
-  this._decrypt = decrypt
-  this._alen = 0
-  this._len = 0
-  iv.copy(this._prev)
-  this._mode = mode
-  var h = new Buffer(4)
-  h.fill(0)
-  this._ghash = new GHASH(this._cipher.encryptBlock(h))
-  this._authTag = null
-  this._called = false
-}
-StreamCipher.prototype._update = function (chunk) {
-  if (!this._called && this._alen) {
-    var rump = 16 - (this._alen % 16)
-    if (rump < 16) {
-      rump = new Buffer(rump)
-      rump.fill(0)
-      this._ghash.update(rump)
-    }
-  }
-  this._called = true
-  var out = this._mode.encrypt(this, chunk)
-  if (this._decrypt) {
-    this._ghash.update(chunk)
-  } else {
-    this._ghash.update(out)
-  }
-  this._len += chunk.length
-  return out
-}
-StreamCipher.prototype._final = function () {
-  if (this._decrypt && !this._authTag) {
-    throw new Error('Unsupported state or unable to authenticate data')
-  }
-  var tag = xor(this._ghash.final(this._alen * 8, this._len * 8), this._cipher.encryptBlock(this._finID))
-  if (this._decrypt) {
-    if (xorTest(tag, this._authTag)) {
-      throw new Error('Unsupported state or unable to authenticate data')
-    }
-  } else {
-    this._authTag = tag
-  }
-  this._cipher.scrub()
-}
-StreamCipher.prototype.getAuthTag = function getAuthTag () {
-  if (!this._decrypt && Buffer.isBuffer(this._authTag)) {
-    return this._authTag
-  } else {
-    throw new Error('Attempting to get auth tag in unsupported state')
-  }
-}
-StreamCipher.prototype.setAuthTag = function setAuthTag (tag) {
-  if (this._decrypt) {
-    this._authTag = tag
-  } else {
-    throw new Error('Attempting to set auth tag in unsupported state')
-  }
-}
-StreamCipher.prototype.setAAD = function setAAD (buf) {
-  if (!this._called) {
-    this._ghash.update(buf)
-    this._alen += buf.length
-  } else {
-    throw new Error('Attempting to set AAD in unsupported state')
-  }
-}
-function xorTest (a, b) {
-  var out = 0
-  if (a.length !== b.length) {
-    out++
-  }
-  var len = Math.min(a.length, b.length)
-  var i = -1
-  while (++i < len) {
-    out += (a[i] ^ b[i])
-  }
-  return out
-}
-
-}).call(this,require("buffer").Buffer)
-},{"./aes":20,"./ghash":25,"buffer":46,"buffer-xor":45,"cipher-base":47,"inherits":92}],22:[function(require,module,exports){
-var ciphers = require('./encrypter')
-exports.createCipher = exports.Cipher = ciphers.createCipher
-exports.createCipheriv = exports.Cipheriv = ciphers.createCipheriv
-var deciphers = require('./decrypter')
-exports.createDecipher = exports.Decipher = deciphers.createDecipher
-exports.createDecipheriv = exports.Decipheriv = deciphers.createDecipheriv
-var modes = require('./modes')
-function getCiphers () {
-  return Object.keys(modes)
-}
-exports.listCiphers = exports.getCiphers = getCiphers
-
-},{"./decrypter":23,"./encrypter":24,"./modes":26}],23:[function(require,module,exports){
-(function (Buffer){
-var aes = require('./aes')
-var Transform = require('cipher-base')
-var inherits = require('inherits')
-var modes = require('./modes')
-var StreamCipher = require('./streamCipher')
-var AuthCipher = require('./authCipher')
-var ebtk = require('evp_bytestokey')
-
-inherits(Decipher, Transform)
-function Decipher (mode, key, iv) {
-  if (!(this instanceof Decipher)) {
-    return new Decipher(mode, key, iv)
-  }
-  Transform.call(this)
-  this._cache = new Splitter()
-  this._last = void 0
-  this._cipher = new aes.AES(key)
-  this._prev = new Buffer(iv.length)
-  iv.copy(this._prev)
-  this._mode = mode
-  this._autopadding = true
-}
-Decipher.prototype._update = function (data) {
-  this._cache.add(data)
-  var chunk
-  var thing
-  var out = []
-  while ((chunk = this._cache.get(this._autopadding))) {
-    thing = this._mode.decrypt(this, chunk)
-    out.push(thing)
-  }
-  return Buffer.concat(out)
-}
-Decipher.prototype._final = function () {
-  var chunk = this._cache.flush()
-  if (this._autopadding) {
-    return unpad(this._mode.decrypt(this, chunk))
-  } else if (chunk) {
-    throw new Error('data not multiple of block length')
-  }
-}
-Decipher.prototype.setAutoPadding = function (setTo) {
-  this._autopadding = !!setTo
-}
-function Splitter () {
-  if (!(this instanceof Splitter)) {
-    return new Splitter()
-  }
-  this.cache = new Buffer('')
-}
-Splitter.prototype.add = function (data) {
-  this.cache = Buffer.concat([this.cache, data])
-}
-
-Splitter.prototype.get = function (autoPadding) {
-  var out
-  if (autoPadding) {
-    if (this.cache.length > 16) {
-      out = this.cache.slice(0, 16)
-      this.cache = this.cache.slice(16)
-      return out
-    }
-  } else {
-    if (this.cache.length >= 16) {
-      out = this.cache.slice(0, 16)
-      this.cache = this.cache.slice(16)
-      return out
-    }
-  }
-  return null
-}
-Splitter.prototype.flush = function () {
-  if (this.cache.length) {
-    return this.cache
-  }
-}
-function unpad (last) {
-  var padded = last[15]
-  var i = -1
-  while (++i < padded) {
-    if (last[(i + (16 - padded))] !== padded) {
-      throw new Error('unable to decrypt data')
-    }
-  }
-  if (padded === 16) {
-    return
-  }
-  return last.slice(0, 16 - padded)
-}
-
-var modelist = {
-  ECB: require('./modes/ecb'),
-  CBC: require('./modes/cbc'),
-  CFB: require('./modes/cfb'),
-  CFB8: require('./modes/cfb8'),
-  CFB1: require('./modes/cfb1'),
-  OFB: require('./modes/ofb'),
-  CTR: require('./modes/ctr'),
-  GCM: require('./modes/ctr')
-}
-
-function createDecipheriv (suite, password, iv) {
-  var config = modes[suite.toLowerCase()]
-  if (!config) {
-    throw new TypeError('invalid suite type')
-  }
-  if (typeof iv === 'string') {
-    iv = new Buffer(iv)
-  }
-  if (typeof password === 'string') {
-    password = new Buffer(password)
-  }
-  if (password.length !== config.key / 8) {
-    throw new TypeError('invalid key length ' + password.length)
-  }
-  if (iv.length !== config.iv) {
-    throw new TypeError('invalid iv length ' + iv.length)
-  }
-  if (config.type === 'stream') {
-    return new StreamCipher(modelist[config.mode], password, iv, true)
-  } else if (config.type === 'auth') {
-    return new AuthCipher(modelist[config.mode], password, iv, true)
-  }
-  return new Decipher(modelist[config.mode], password, iv)
-}
-
-function createDecipher (suite, password) {
-  var config = modes[suite.toLowerCase()]
-  if (!config) {
-    throw new TypeError('invalid suite type')
-  }
-  var keys = ebtk(password, false, config.key, config.iv)
-  return createDecipheriv(suite, keys.key, keys.iv)
-}
-exports.createDecipher = createDecipher
-exports.createDecipheriv = createDecipheriv
-
-}).call(this,require("buffer").Buffer)
-},{"./aes":20,"./authCipher":21,"./modes":26,"./modes/cbc":27,"./modes/cfb":28,"./modes/cfb1":29,"./modes/cfb8":30,"./modes/ctr":31,"./modes/ecb":32,"./modes/ofb":33,"./streamCipher":34,"buffer":46,"cipher-base":47,"evp_bytestokey":83,"inherits":92}],24:[function(require,module,exports){
-(function (Buffer){
-var aes = require('./aes')
-var Transform = require('cipher-base')
-var inherits = require('inherits')
-var modes = require('./modes')
-var ebtk = require('evp_bytestokey')
-var StreamCipher = require('./streamCipher')
-var AuthCipher = require('./authCipher')
-inherits(Cipher, Transform)
-function Cipher (mode, key, iv) {
-  if (!(this instanceof Cipher)) {
-    return new Cipher(mode, key, iv)
-  }
-  Transform.call(this)
-  this._cache = new Splitter()
-  this._cipher = new aes.AES(key)
-  this._prev = new Buffer(iv.length)
-  iv.copy(this._prev)
-  this._mode = mode
-  this._autopadding = true
-}
-Cipher.prototype._update = function (data) {
-  this._cache.add(data)
-  var chunk
-  var thing
-  var out = []
-  while ((chunk = this._cache.get())) {
-    thing = this._mode.encrypt(this, chunk)
-    out.push(thing)
-  }
-  return Buffer.concat(out)
-}
-Cipher.prototype._final = function () {
-  var chunk = this._cache.flush()
-  if (this._autopadding) {
-    chunk = this._mode.encrypt(this, chunk)
-    this._cipher.scrub()
-    return chunk
-  } else if (chunk.toString('hex') !== '10101010101010101010101010101010') {
-    this._cipher.scrub()
-    throw new Error('data not multiple of block length')
-  }
-}
-Cipher.prototype.setAutoPadding = function (setTo) {
-  this._autopadding = !!setTo
-}
-
-function Splitter () {
-  if (!(this instanceof Splitter)) {
-    return new Splitter()
-  }
-  this.cache = new Buffer('')
-}
-Splitter.prototype.add = function (data) {
-  this.cache = Buffer.concat([this.cache, data])
-}
-
-Splitter.prototype.get = function () {
-  if (this.cache.length > 15) {
-    var out = this.cache.slice(0, 16)
-    this.cache = this.cache.slice(16)
-    return out
-  }
-  return null
-}
-Splitter.prototype.flush = function () {
-  var len = 16 - this.cache.length
-  var padBuff = new Buffer(len)
-
-  var i = -1
-  while (++i < len) {
-    padBuff.writeUInt8(len, i)
-  }
-  var out = Buffer.concat([this.cache, padBuff])
-  return out
-}
-var modelist = {
-  ECB: require('./modes/ecb'),
-  CBC: require('./modes/cbc'),
-  CFB: require('./modes/cfb'),
-  CFB8: require('./modes/cfb8'),
-  CFB1: require('./modes/cfb1'),
-  OFB: require('./modes/ofb'),
-  CTR: require('./modes/ctr'),
-  GCM: require('./modes/ctr')
-}
-
-function createCipheriv (suite, password, iv) {
-  var config = modes[suite.toLowerCase()]
-  if (!config) {
-    throw new TypeError('invalid suite type')
-  }
-  if (typeof iv === 'string') {
-    iv = new Buffer(iv)
-  }
-  if (typeof password === 'string') {
-    password = new Buffer(password)
-  }
-  if (password.length !== config.key / 8) {
-    throw new TypeError('invalid key length ' + password.length)
-  }
-  if (iv.length !== config.iv) {
-    throw new TypeError('invalid iv length ' + iv.length)
-  }
-  if (config.type === 'stream') {
-    return new StreamCipher(modelist[config.mode], password, iv)
-  } else if (config.type === 'auth') {
-    return new AuthCipher(modelist[config.mode], password, iv)
-  }
-  return new Cipher(modelist[config.mode], password, iv)
-}
-function createCipher (suite, password) {
-  var config = modes[suite.toLowerCase()]
-  if (!config) {
-    throw new TypeError('invalid suite type')
-  }
-  var keys = ebtk(password, false, config.key, config.iv)
-  return createCipheriv(suite, keys.key, keys.iv)
-}
-
-exports.createCipheriv = createCipheriv
-exports.createCipher = createCipher
-
-}).call(this,require("buffer").Buffer)
-},{"./aes":20,"./authCipher":21,"./modes":26,"./modes/cbc":27,"./modes/cfb":28,"./modes/cfb1":29,"./modes/cfb8":30,"./modes/ctr":31,"./modes/ecb":32,"./modes/ofb":33,"./streamCipher":34,"buffer":46,"cipher-base":47,"evp_bytestokey":83,"inherits":92}],25:[function(require,module,exports){
-(function (Buffer){
-var zeros = new Buffer(16)
-zeros.fill(0)
-module.exports = GHASH
-function GHASH (key) {
-  this.h = key
-  this.state = new Buffer(16)
-  this.state.fill(0)
-  this.cache = new Buffer('')
-}
-// from http://bitwiseshiftleft.github.io/sjcl/doc/symbols/src/core_gcm.js.html
-// by Juho Vähä-Herttua
-GHASH.prototype.ghash = function (block) {
-  var i = -1
-  while (++i < block.length) {
-    this.state[i] ^= block[i]
-  }
-  this._multiply()
-}
-
-GHASH.prototype._multiply = function () {
-  var Vi = toArray(this.h)
-  var Zi = [0, 0, 0, 0]
-  var j, xi, lsb_Vi
-  var i = -1
-  while (++i < 128) {
-    xi = (this.state[~~(i / 8)] & (1 << (7 - i % 8))) !== 0
-    if (xi) {
-      // Z_i+1 = Z_i ^ V_i
-      Zi = xor(Zi, Vi)
-    }
-
-    // Store the value of LSB(V_i)
-    lsb_Vi = (Vi[3] & 1) !== 0
-
-    // V_i+1 = V_i >> 1
-    for (j = 3; j > 0; j--) {
-      Vi[j] = (Vi[j] >>> 1) | ((Vi[j - 1] & 1) << 31)
-    }
-    Vi[0] = Vi[0] >>> 1
-
-    // If LSB(V_i) is 1, V_i+1 = (V_i >> 1) ^ R
-    if (lsb_Vi) {
-      Vi[0] = Vi[0] ^ (0xe1 << 24)
-    }
-  }
-  this.state = fromArray(Zi)
-}
-GHASH.prototype.update = function (buf) {
-  this.cache = Buffer.concat([this.cache, buf])
-  var chunk
-  while (this.cache.length >= 16) {
-    chunk = this.cache.slice(0, 16)
-    this.cache = this.cache.slice(16)
-    this.ghash(chunk)
-  }
-}
-GHASH.prototype.final = function (abl, bl) {
-  if (this.cache.length) {
-    this.ghash(Buffer.concat([this.cache, zeros], 16))
-  }
-  this.ghash(fromArray([
-    0, abl,
-    0, bl
-  ]))
-  return this.state
-}
-
-function toArray (buf) {
-  return [
-    buf.readUInt32BE(0),
-    buf.readUInt32BE(4),
-    buf.readUInt32BE(8),
-    buf.readUInt32BE(12)
-  ]
-}
-function fromArray (out) {
-  out = out.map(fixup_uint32)
-  var buf = new Buffer(16)
-  buf.writeUInt32BE(out[0], 0)
-  buf.writeUInt32BE(out[1], 4)
-  buf.writeUInt32BE(out[2], 8)
-  buf.writeUInt32BE(out[3], 12)
-  return buf
-}
-var uint_max = Math.pow(2, 32)
-function fixup_uint32 (x) {
-  var ret, x_pos
-  ret = x > uint_max || x < 0 ? (x_pos = Math.abs(x) % uint_max, x < 0 ? uint_max - x_pos : x_pos) : x
-  return ret
-}
-function xor (a, b) {
-  return [
-    a[0] ^ b[0],
-    a[1] ^ b[1],
-    a[2] ^ b[2],
-    a[3] ^ b[3]
-  ]
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46}],26:[function(require,module,exports){
-exports['aes-128-ecb'] = {
-  cipher: 'AES',
-  key: 128,
-  iv: 0,
-  mode: 'ECB',
-  type: 'block'
-}
-exports['aes-192-ecb'] = {
-  cipher: 'AES',
-  key: 192,
-  iv: 0,
-  mode: 'ECB',
-  type: 'block'
-}
-exports['aes-256-ecb'] = {
-  cipher: 'AES',
-  key: 256,
-  iv: 0,
-  mode: 'ECB',
-  type: 'block'
-}
-exports['aes-128-cbc'] = {
-  cipher: 'AES',
-  key: 128,
-  iv: 16,
-  mode: 'CBC',
-  type: 'block'
-}
-exports['aes-192-cbc'] = {
-  cipher: 'AES',
-  key: 192,
-  iv: 16,
-  mode: 'CBC',
-  type: 'block'
-}
-exports['aes-256-cbc'] = {
-  cipher: 'AES',
-  key: 256,
-  iv: 16,
-  mode: 'CBC',
-  type: 'block'
-}
-exports['aes128'] = exports['aes-128-cbc']
-exports['aes192'] = exports['aes-192-cbc']
-exports['aes256'] = exports['aes-256-cbc']
-exports['aes-128-cfb'] = {
-  cipher: 'AES',
-  key: 128,
-  iv: 16,
-  mode: 'CFB',
-  type: 'stream'
-}
-exports['aes-192-cfb'] = {
-  cipher: 'AES',
-  key: 192,
-  iv: 16,
-  mode: 'CFB',
-  type: 'stream'
-}
-exports['aes-256-cfb'] = {
-  cipher: 'AES',
-  key: 256,
-  iv: 16,
-  mode: 'CFB',
-  type: 'stream'
-}
-exports['aes-128-cfb8'] = {
-  cipher: 'AES',
-  key: 128,
-  iv: 16,
-  mode: 'CFB8',
-  type: 'stream'
-}
-exports['aes-192-cfb8'] = {
-  cipher: 'AES',
-  key: 192,
-  iv: 16,
-  mode: 'CFB8',
-  type: 'stream'
-}
-exports['aes-256-cfb8'] = {
-  cipher: 'AES',
-  key: 256,
-  iv: 16,
-  mode: 'CFB8',
-  type: 'stream'
-}
-exports['aes-128-cfb1'] = {
-  cipher: 'AES',
-  key: 128,
-  iv: 16,
-  mode: 'CFB1',
-  type: 'stream'
-}
-exports['aes-192-cfb1'] = {
-  cipher: 'AES',
-  key: 192,
-  iv: 16,
-  mode: 'CFB1',
-  type: 'stream'
-}
-exports['aes-256-cfb1'] = {
-  cipher: 'AES',
-  key: 256,
-  iv: 16,
-  mode: 'CFB1',
-  type: 'stream'
-}
-exports['aes-128-ofb'] = {
-  cipher: 'AES',
-  key: 128,
-  iv: 16,
-  mode: 'OFB',
-  type: 'stream'
-}
-exports['aes-192-ofb'] = {
-  cipher: 'AES',
-  key: 192,
-  iv: 16,
-  mode: 'OFB',
-  type: 'stream'
-}
-exports['aes-256-ofb'] = {
-  cipher: 'AES',
-  key: 256,
-  iv: 16,
-  mode: 'OFB',
-  type: 'stream'
-}
-exports['aes-128-ctr'] = {
-  cipher: 'AES',
-  key: 128,
-  iv: 16,
-  mode: 'CTR',
-  type: 'stream'
-}
-exports['aes-192-ctr'] = {
-  cipher: 'AES',
-  key: 192,
-  iv: 16,
-  mode: 'CTR',
-  type: 'stream'
-}
-exports['aes-256-ctr'] = {
-  cipher: 'AES',
-  key: 256,
-  iv: 16,
-  mode: 'CTR',
-  type: 'stream'
-}
-exports['aes-128-gcm'] = {
-  cipher: 'AES',
-  key: 128,
-  iv: 12,
-  mode: 'GCM',
-  type: 'auth'
-}
-exports['aes-192-gcm'] = {
-  cipher: 'AES',
-  key: 192,
-  iv: 12,
-  mode: 'GCM',
-  type: 'auth'
-}
-exports['aes-256-gcm'] = {
-  cipher: 'AES',
-  key: 256,
-  iv: 12,
-  mode: 'GCM',
-  type: 'auth'
-}
-
-},{}],27:[function(require,module,exports){
-var xor = require('buffer-xor')
-
-exports.encrypt = function (self, block) {
-  var data = xor(block, self._prev)
-
-  self._prev = self._cipher.encryptBlock(data)
-  return self._prev
-}
-
-exports.decrypt = function (self, block) {
-  var pad = self._prev
-
-  self._prev = block
-  var out = self._cipher.decryptBlock(block)
-
-  return xor(out, pad)
-}
-
-},{"buffer-xor":45}],28:[function(require,module,exports){
-(function (Buffer){
-var xor = require('buffer-xor')
-
-exports.encrypt = function (self, data, decrypt) {
-  var out = new Buffer('')
-  var len
-
-  while (data.length) {
-    if (self._cache.length === 0) {
-      self._cache = self._cipher.encryptBlock(self._prev)
-      self._prev = new Buffer('')
-    }
-
-    if (self._cache.length <= data.length) {
-      len = self._cache.length
-      out = Buffer.concat([out, encryptStart(self, data.slice(0, len), decrypt)])
-      data = data.slice(len)
-    } else {
-      out = Buffer.concat([out, encryptStart(self, data, decrypt)])
-      break
-    }
-  }
-
-  return out
-}
-function encryptStart (self, data, decrypt) {
-  var len = data.length
-  var out = xor(data, self._cache)
-  self._cache = self._cache.slice(len)
-  self._prev = Buffer.concat([self._prev, decrypt ? data : out])
-  return out
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"buffer-xor":45}],29:[function(require,module,exports){
-(function (Buffer){
-function encryptByte (self, byteParam, decrypt) {
-  var pad
-  var i = -1
-  var len = 8
-  var out = 0
-  var bit, value
-  while (++i < len) {
-    pad = self._cipher.encryptBlock(self._prev)
-    bit = (byteParam & (1 << (7 - i))) ? 0x80 : 0
-    value = pad[0] ^ bit
-    out += ((value & 0x80) >> (i % 8))
-    self._prev = shiftIn(self._prev, decrypt ? bit : value)
-  }
-  return out
-}
-exports.encrypt = function (self, chunk, decrypt) {
-  var len = chunk.length
-  var out = new Buffer(len)
-  var i = -1
-  while (++i < len) {
-    out[i] = encryptByte(self, chunk[i], decrypt)
-  }
-  return out
-}
-function shiftIn (buffer, value) {
-  var len = buffer.length
-  var i = -1
-  var out = new Buffer(buffer.length)
-  buffer = Buffer.concat([buffer, new Buffer([value])])
-  while (++i < len) {
-    out[i] = buffer[i] << 1 | buffer[i + 1] >> (7)
-  }
-  return out
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46}],30:[function(require,module,exports){
-(function (Buffer){
-function encryptByte (self, byteParam, decrypt) {
-  var pad = self._cipher.encryptBlock(self._prev)
-  var out = pad[0] ^ byteParam
-  self._prev = Buffer.concat([self._prev.slice(1), new Buffer([decrypt ? byteParam : out])])
-  return out
-}
-exports.encrypt = function (self, chunk, decrypt) {
-  var len = chunk.length
-  var out = new Buffer(len)
-  var i = -1
-  while (++i < len) {
-    out[i] = encryptByte(self, chunk[i], decrypt)
-  }
-  return out
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46}],31:[function(require,module,exports){
-(function (Buffer){
-var xor = require('buffer-xor')
-
-function incr32 (iv) {
-  var len = iv.length
-  var item
-  while (len--) {
-    item = iv.readUInt8(len)
-    if (item === 255) {
-      iv.writeUInt8(0, len)
-    } else {
-      item++
-      iv.writeUInt8(item, len)
-      break
-    }
-  }
-}
-
-function getBlock (self) {
-  var out = self._cipher.encryptBlock(self._prev)
-  incr32(self._prev)
-  return out
-}
-
-exports.encrypt = function (self, chunk) {
-  while (self._cache.length < chunk.length) {
-    self._cache = Buffer.concat([self._cache, getBlock(self)])
-  }
-  var pad = self._cache.slice(0, chunk.length)
-  self._cache = self._cache.slice(chunk.length)
-  return xor(chunk, pad)
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"buffer-xor":45}],32:[function(require,module,exports){
-exports.encrypt = function (self, block) {
-  return self._cipher.encryptBlock(block)
-}
-exports.decrypt = function (self, block) {
-  return self._cipher.decryptBlock(block)
-}
-
-},{}],33:[function(require,module,exports){
-(function (Buffer){
-var xor = require('buffer-xor')
-
-function getBlock (self) {
-  self._prev = self._cipher.encryptBlock(self._prev)
-  return self._prev
-}
-
-exports.encrypt = function (self, chunk) {
-  while (self._cache.length < chunk.length) {
-    self._cache = Buffer.concat([self._cache, getBlock(self)])
-  }
-
-  var pad = self._cache.slice(0, chunk.length)
-  self._cache = self._cache.slice(chunk.length)
-  return xor(chunk, pad)
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"buffer-xor":45}],34:[function(require,module,exports){
-(function (Buffer){
-var aes = require('./aes')
-var Transform = require('cipher-base')
-var inherits = require('inherits')
-
-inherits(StreamCipher, Transform)
-module.exports = StreamCipher
-function StreamCipher (mode, key, iv, decrypt) {
-  if (!(this instanceof StreamCipher)) {
-    return new StreamCipher(mode, key, iv)
-  }
-  Transform.call(this)
-  this._cipher = new aes.AES(key)
-  this._prev = new Buffer(iv.length)
-  this._cache = new Buffer('')
-  this._secCache = new Buffer('')
-  this._decrypt = decrypt
-  iv.copy(this._prev)
-  this._mode = mode
-}
-StreamCipher.prototype._update = function (chunk) {
-  return this._mode.encrypt(this, chunk, this._decrypt)
-}
-StreamCipher.prototype._final = function () {
-  this._cipher.scrub()
-}
-
-}).call(this,require("buffer").Buffer)
-},{"./aes":20,"buffer":46,"cipher-base":47,"inherits":92}],35:[function(require,module,exports){
-var ebtk = require('evp_bytestokey')
-var aes = require('browserify-aes/browser')
-var DES = require('browserify-des')
-var desModes = require('browserify-des/modes')
-var aesModes = require('browserify-aes/modes')
-function createCipher (suite, password) {
-  var keyLen, ivLen
-  suite = suite.toLowerCase()
-  if (aesModes[suite]) {
-    keyLen = aesModes[suite].key
-    ivLen = aesModes[suite].iv
-  } else if (desModes[suite]) {
-    keyLen = desModes[suite].key * 8
-    ivLen = desModes[suite].iv
-  } else {
-    throw new TypeError('invalid suite type')
-  }
-  var keys = ebtk(password, false, keyLen, ivLen)
-  return createCipheriv(suite, keys.key, keys.iv)
-}
-function createDecipher (suite, password) {
-  var keyLen, ivLen
-  suite = suite.toLowerCase()
-  if (aesModes[suite]) {
-    keyLen = aesModes[suite].key
-    ivLen = aesModes[suite].iv
-  } else if (desModes[suite]) {
-    keyLen = desModes[suite].key * 8
-    ivLen = desModes[suite].iv
-  } else {
-    throw new TypeError('invalid suite type')
-  }
-  var keys = ebtk(password, false, keyLen, ivLen)
-  return createDecipheriv(suite, keys.key, keys.iv)
-}
-
-function createCipheriv (suite, key, iv) {
-  suite = suite.toLowerCase()
-  if (aesModes[suite]) {
-    return aes.createCipheriv(suite, key, iv)
-  } else if (desModes[suite]) {
-    return new DES({
-      key: key,
-      iv: iv,
-      mode: suite
-    })
-  } else {
-    throw new TypeError('invalid suite type')
-  }
-}
-function createDecipheriv (suite, key, iv) {
-  suite = suite.toLowerCase()
-  if (aesModes[suite]) {
-    return aes.createDecipheriv(suite, key, iv)
-  } else if (desModes[suite]) {
-    return new DES({
-      key: key,
-      iv: iv,
-      mode: suite,
-      decrypt: true
-    })
-  } else {
-    throw new TypeError('invalid suite type')
-  }
-}
-exports.createCipher = exports.Cipher = createCipher
-exports.createCipheriv = exports.Cipheriv = createCipheriv
-exports.createDecipher = exports.Decipher = createDecipher
-exports.createDecipheriv = exports.Decipheriv = createDecipheriv
-function getCiphers () {
-  return Object.keys(desModes).concat(aes.getCiphers())
-}
-exports.listCiphers = exports.getCiphers = getCiphers
-
-},{"browserify-aes/browser":22,"browserify-aes/modes":26,"browserify-des":36,"browserify-des/modes":37,"evp_bytestokey":83}],36:[function(require,module,exports){
-(function (Buffer){
-var CipherBase = require('cipher-base')
-var des = require('des.js')
-var inherits = require('inherits')
-
-var modes = {
-  'des-ede3-cbc': des.CBC.instantiate(des.EDE),
-  'des-ede3': des.EDE,
-  'des-ede-cbc': des.CBC.instantiate(des.EDE),
-  'des-ede': des.EDE,
-  'des-cbc': des.CBC.instantiate(des.DES),
-  'des-ecb': des.DES
-}
-modes.des = modes['des-cbc']
-modes.des3 = modes['des-ede3-cbc']
-module.exports = DES
-inherits(DES, CipherBase)
-function DES (opts) {
-  CipherBase.call(this)
-  var modeName = opts.mode.toLowerCase()
-  var mode = modes[modeName]
-  var type
-  if (opts.decrypt) {
-    type = 'decrypt'
-  } else {
-    type = 'encrypt'
-  }
-  var key = opts.key
-  if (modeName === 'des-ede' || modeName === 'des-ede-cbc') {
-    key = Buffer.concat([key, key.slice(0, 8)])
-  }
-  var iv = opts.iv
-  this._des = mode.create({
-    key: key,
-    iv: iv,
-    type: type
-  })
-}
-DES.prototype._update = function (data) {
-  return new Buffer(this._des.update(data))
-}
-DES.prototype._final = function () {
-  return new Buffer(this._des.final())
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"cipher-base":47,"des.js":55,"inherits":92}],37:[function(require,module,exports){
-exports['des-ecb'] = {
-  key: 8,
-  iv: 0
-}
-exports['des-cbc'] = exports.des = {
-  key: 8,
-  iv: 8
-}
-exports['des-ede3-cbc'] = exports.des3 = {
-  key: 24,
-  iv: 8
-}
-exports['des-ede3'] = {
-  key: 24,
-  iv: 0
-}
-exports['des-ede-cbc'] = {
-  key: 16,
-  iv: 8
-}
-exports['des-ede'] = {
-  key: 16,
-  iv: 0
-}
-
-},{}],38:[function(require,module,exports){
-(function (Buffer){
-var bn = require('bn.js');
-var randomBytes = require('randombytes');
-module.exports = crt;
-function blind(priv) {
-  var r = getr(priv);
-  var blinder = r.toRed(bn.mont(priv.modulus))
-  .redPow(new bn(priv.publicExponent)).fromRed();
-  return {
-    blinder: blinder,
-    unblinder:r.invm(priv.modulus)
-  };
-}
-function crt(msg, priv) {
-  var blinds = blind(priv);
-  var len = priv.modulus.byteLength();
-  var mod = bn.mont(priv.modulus);
-  var blinded = new bn(msg).mul(blinds.blinder).umod(priv.modulus);
-  var c1 = blinded.toRed(bn.mont(priv.prime1));
-  var c2 = blinded.toRed(bn.mont(priv.prime2));
-  var qinv = priv.coefficient;
-  var p = priv.prime1;
-  var q = priv.prime2;
-  var m1 = c1.redPow(priv.exponent1);
-  var m2 = c2.redPow(priv.exponent2);
-  m1 = m1.fromRed();
-  m2 = m2.fromRed();
-  var h = m1.isub(m2).imul(qinv).umod(p);
-  h.imul(q);
-  m2.iadd(h);
-  return new Buffer(m2.imul(blinds.unblinder).umod(priv.modulus).toArray(false, len));
-}
-crt.getr = getr;
-function getr(priv) {
-  var len = priv.modulus.byteLength();
-  var r = new bn(randomBytes(len));
-  while (r.cmp(priv.modulus) >=  0 || !r.umod(priv.prime1) || !r.umod(priv.prime2)) {
-    r = new bn(randomBytes(len));
-  }
-  return r;
-}
-
-}).call(this,require("buffer").Buffer)
-},{"bn.js":17,"buffer":46,"randombytes":115}],39:[function(require,module,exports){
-(function (Buffer){
-'use strict'
-exports['RSA-SHA224'] = exports.sha224WithRSAEncryption = {
-  sign: 'rsa',
-  hash: 'sha224',
-  id: new Buffer('302d300d06096086480165030402040500041c', 'hex')
-}
-exports['RSA-SHA256'] = exports.sha256WithRSAEncryption = {
-  sign: 'rsa',
-  hash: 'sha256',
-  id: new Buffer('3031300d060960864801650304020105000420', 'hex')
-}
-exports['RSA-SHA384'] = exports.sha384WithRSAEncryption = {
-  sign: 'rsa',
-  hash: 'sha384',
-  id: new Buffer('3041300d060960864801650304020205000430', 'hex')
-}
-exports['RSA-SHA512'] = exports.sha512WithRSAEncryption = {
-  sign: 'rsa',
-  hash: 'sha512',
-  id: new Buffer('3051300d060960864801650304020305000440', 'hex')
-}
-exports['RSA-SHA1'] = {
-  sign: 'rsa',
-  hash: 'sha1',
-  id: new Buffer('3021300906052b0e03021a05000414', 'hex')
-}
-exports['ecdsa-with-SHA1'] = {
-  sign: 'ecdsa',
-  hash: 'sha1',
-  id: new Buffer('', 'hex')
-}
-
-exports.DSA = exports['DSA-SHA1'] = exports['DSA-SHA'] = {
-  sign: 'dsa',
-  hash: 'sha1',
-  id: new Buffer('', 'hex')
-}
-exports['DSA-SHA224'] = exports['DSA-WITH-SHA224'] = {
-  sign: 'dsa',
-  hash: 'sha224',
-  id: new Buffer('', 'hex')
-}
-exports['DSA-SHA256'] = exports['DSA-WITH-SHA256'] = {
-  sign: 'dsa',
-  hash: 'sha256',
-  id: new Buffer('', 'hex')
-}
-exports['DSA-SHA384'] = exports['DSA-WITH-SHA384'] = {
-  sign: 'dsa',
-  hash: 'sha384',
-  id: new Buffer('', 'hex')
-}
-exports['DSA-SHA512'] = exports['DSA-WITH-SHA512'] = {
-  sign: 'dsa',
-  hash: 'sha512',
-  id: new Buffer('', 'hex')
-}
-exports['DSA-RIPEMD160'] = {
-  sign: 'dsa',
-  hash: 'rmd160',
-  id: new Buffer('', 'hex')
-}
-exports['RSA-RIPEMD160'] = exports.ripemd160WithRSA = {
-  sign: 'rsa',
-  hash: 'rmd160',
-  id: new Buffer('3021300906052b2403020105000414', 'hex')
-}
-exports['RSA-MD5'] = exports.md5WithRSAEncryption = {
-  sign: 'rsa',
-  hash: 'md5',
-  id: new Buffer('3020300c06082a864886f70d020505000410', 'hex')
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46}],40:[function(require,module,exports){
-(function (Buffer){
-var _algos = require('./algos')
-var createHash = require('create-hash')
-var inherits = require('inherits')
-var sign = require('./sign')
-var stream = require('stream')
-var verify = require('./verify')
-
-var algos = {}
-Object.keys(_algos).forEach(function (key) {
-  algos[key] = algos[key.toLowerCase()] = _algos[key]
-})
-
-function Sign (algorithm) {
-  stream.Writable.call(this)
-
-  var data = algos[algorithm]
-  if (!data) {
-    throw new Error('Unknown message digest')
-  }
-
-  this._hashType = data.hash
-  this._hash = createHash(data.hash)
-  this._tag = data.id
-  this._signType = data.sign
-}
-inherits(Sign, stream.Writable)
-
-Sign.prototype._write = function _write (data, _, done) {
-  this._hash.update(data)
-  done()
-}
-
-Sign.prototype.update = function update (data, enc) {
-  if (typeof data === 'string') {
-    data = new Buffer(data, enc)
-  }
-
-  this._hash.update(data)
-  return this
-}
-
-Sign.prototype.sign = function signMethod (key, enc) {
-  this.end()
-  var hash = this._hash.digest()
-  var sig = sign(Buffer.concat([this._tag, hash]), key, this._hashType, this._signType)
-
-  return enc ? sig.toString(enc) : sig
-}
-
-function Verify (algorithm) {
-  stream.Writable.call(this)
-
-  var data = algos[algorithm]
-  if (!data) {
-    throw new Error('Unknown message digest')
-  }
-
-  this._hash = createHash(data.hash)
-  this._tag = data.id
-  this._signType = data.sign
-}
-inherits(Verify, stream.Writable)
-
-Verify.prototype._write = function _write (data, _, done) {
-  this._hash.update(data)
-
-  done()
-}
-
-Verify.prototype.update = function update (data, enc) {
-  if (typeof data === 'string') {
-    data = new Buffer(data, enc)
-  }
-
-  this._hash.update(data)
-  return this
-}
-
-Verify.prototype.verify = function verifyMethod (key, sig, enc) {
-  if (typeof sig === 'string') {
-    sig = new Buffer(sig, enc)
-  }
-
-  this.end()
-  var hash = this._hash.digest()
-
-  return verify(sig, Buffer.concat([this._tag, hash]), key, this._signType)
-}
-
-function createSign (algorithm) {
-  return new Sign(algorithm)
-}
-
-function createVerify (algorithm) {
-  return new Verify(algorithm)
-}
-
-module.exports = {
-  Sign: createSign,
-  Verify: createVerify,
-  createSign: createSign,
-  createVerify: createVerify
-}
-
-}).call(this,require("buffer").Buffer)
-},{"./algos":39,"./sign":42,"./verify":43,"buffer":46,"create-hash":50,"inherits":92,"stream":135}],41:[function(require,module,exports){
-'use strict'
-exports['1.3.132.0.10'] = 'secp256k1'
-
-exports['1.3.132.0.33'] = 'p224'
-
-exports['1.2.840.10045.3.1.1'] = 'p192'
-
-exports['1.2.840.10045.3.1.7'] = 'p256'
-
-exports['1.3.132.0.34'] = 'p384'
-
-exports['1.3.132.0.35'] = 'p521'
-
-},{}],42:[function(require,module,exports){
-(function (Buffer){
-// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js
-var createHmac = require('create-hmac')
-var crt = require('browserify-rsa')
-var curves = require('./curves')
-var elliptic = require('elliptic')
-var parseKeys = require('parse-asn1')
-
-var BN = require('bn.js')
-var EC = elliptic.ec
-
-function sign (hash, key, hashType, signType) {
-  var priv = parseKeys(key)
-  if (priv.curve) {
-    if (signType !== 'ecdsa') throw new Error('wrong private key type')
-
-    return ecSign(hash, priv)
-  } else if (priv.type === 'dsa') {
-    if (signType !== 'dsa') {
-      throw new Error('wrong private key type')
-    }
-    return dsaSign(hash, priv, hashType)
-  } else {
-    if (signType !== 'rsa') throw new Error('wrong private key type')
-  }
-
-  var len = priv.modulus.byteLength()
-  var pad = [ 0, 1 ]
-  while (hash.length + pad.length + 1 < len) {
-    pad.push(0xff)
-  }
-  pad.push(0x00)
-  var i = -1
-  while (++i < hash.length) {
-    pad.push(hash[i])
-  }
-
-  var out = crt(pad, priv)
-  return out
-}
-
-function ecSign (hash, priv) {
-  var curveId = curves[priv.curve.join('.')]
-  if (!curveId) throw new Error('unknown curve ' + priv.curve.join('.'))
-
-  var curve = new EC(curveId)
-  var key = curve.genKeyPair()
-
-  key._importPrivate(priv.privateKey)
-  var out = key.sign(hash)
-
-  return new Buffer(out.toDER())
-}
-
-function dsaSign (hash, priv, algo) {
-  var x = priv.params.priv_key
-  var p = priv.params.p
-  var q = priv.params.q
-  var g = priv.params.g
-  var r = new BN(0)
-  var k
-  var H = bits2int(hash, q).mod(q)
-  var s = false
-  var kv = getKey(x, q, hash, algo)
-  while (s === false) {
-    k = makeKey(q, kv, algo)
-    r = makeR(g, k, p, q)
-    s = k.invm(q).imul(H.add(x.mul(r))).mod(q)
-    if (!s.cmpn(0)) {
-      s = false
-      r = new BN(0)
-    }
-  }
-  return toDER(r, s)
-}
-
-function toDER (r, s) {
-  r = r.toArray()
-  s = s.toArray()
-
-  // Pad values
-  if (r[0] & 0x80) {
-    r = [ 0 ].concat(r)
-  }
-  // Pad values
-  if (s[0] & 0x80) {
-    s = [0].concat(s)
-  }
-
-  var total = r.length + s.length + 4
-  var res = [ 0x30, total, 0x02, r.length ]
-  res = res.concat(r, [ 0x02, s.length ], s)
-  return new Buffer(res)
-}
-
-function getKey (x, q, hash, algo) {
-  x = new Buffer(x.toArray())
-  if (x.length < q.byteLength()) {
-    var zeros = new Buffer(q.byteLength() - x.length)
-    zeros.fill(0)
-    x = Buffer.concat([zeros, x])
-  }
-  var hlen = hash.length
-  var hbits = bits2octets(hash, q)
-  var v = new Buffer(hlen)
-  v.fill(1)
-  var k = new Buffer(hlen)
-  k.fill(0)
-  k = createHmac(algo, k)
-    .update(v)
-    .update(new Buffer([0]))
-    .update(x)
-    .update(hbits)
-    .digest()
-  v = createHmac(algo, k)
-    .update(v)
-    .digest()
-  k = createHmac(algo, k)
-    .update(v)
-    .update(new Buffer([1]))
-    .update(x)
-    .update(hbits)
-    .digest()
-  v = createHmac(algo, k)
-    .update(v)
-    .digest()
-  return {
-    k: k,
-    v: v
-  }
-}
-
-function bits2int (obits, q) {
-  var bits = new BN(obits)
-  var shift = (obits.length << 3) - q.bitLength()
-  if (shift > 0) {
-    bits.ishrn(shift)
-  }
-  return bits
-}
-
-function bits2octets (bits, q) {
-  bits = bits2int(bits, q)
-  bits = bits.mod(q)
-  var out = new Buffer(bits.toArray())
-  if (out.length < q.byteLength()) {
-    var zeros = new Buffer(q.byteLength() - out.length)
-    zeros.fill(0)
-    out = Buffer.concat([zeros, out])
-  }
-  return out
-}
-
-function makeKey (q, kv, algo) {
-  var t, k
-
-  do {
-    t = new Buffer('')
-
-    while (t.length * 8 < q.bitLength()) {
-      kv.v = createHmac(algo, kv.k)
-        .update(kv.v)
-        .digest()
-      t = Buffer.concat([t, kv.v])
-    }
-
-    k = bits2int(t, q)
-    kv.k = createHmac(algo, kv.k)
-      .update(kv.v)
-      .update(new Buffer([0]))
-      .digest()
-    kv.v = createHmac(algo, kv.k)
-      .update(kv.v)
-      .digest()
-  } while (k.cmp(q) !== -1)
-
-  return k
-}
-
-function makeR (g, k, p, q) {
-  return g.toRed(BN.mont(p)).redPow(k).fromRed().mod(q)
-}
-
-module.exports = sign
-module.exports.getKey = getKey
-module.exports.makeKey = makeKey
-
-}).call(this,require("buffer").Buffer)
-},{"./curves":41,"bn.js":17,"browserify-rsa":38,"buffer":46,"create-hmac":53,"elliptic":65,"parse-asn1":105}],43:[function(require,module,exports){
-(function (Buffer){
-// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js
-var curves = require('./curves')
-var elliptic = require('elliptic')
-var parseKeys = require('parse-asn1')
-
-var BN = require('bn.js')
-var EC = elliptic.ec
-
-function verify (sig, hash, key, signType) {
-  var pub = parseKeys(key)
-  if (pub.type === 'ec') {
-    if (signType !== 'ecdsa') {
-      throw new Error('wrong public key type')
-    }
-    return ecVerify(sig, hash, pub)
-  } else if (pub.type === 'dsa') {
-    if (signType !== 'dsa') {
-      throw new Error('wrong public key type')
-    }
-    return dsaVerify(sig, hash, pub)
-  } else {
-    if (signType !== 'rsa') {
-      throw new Error('wrong public key type')
-    }
-  }
-  var len = pub.modulus.byteLength()
-  var pad = [ 1 ]
-  var padNum = 0
-  while (hash.length + pad.length + 2 < len) {
-    pad.push(0xff)
-    padNum++
-  }
-  pad.push(0x00)
-  var i = -1
-  while (++i < hash.length) {
-    pad.push(hash[i])
-  }
-  pad = new Buffer(pad)
-  var red = BN.mont(pub.modulus)
-  sig = new BN(sig).toRed(red)
-
-  sig = sig.redPow(new BN(pub.publicExponent))
-
-  sig = new Buffer(sig.fromRed().toArray())
-  var out = 0
-  if (padNum < 8) {
-    out = 1
-  }
-  len = Math.min(sig.length, pad.length)
-  if (sig.length !== pad.length) {
-    out = 1
-  }
-
-  i = -1
-  while (++i < len) {
-    out |= (sig[i] ^ pad[i])
-  }
-  return out === 0
-}
-
-function ecVerify (sig, hash, pub) {
-  var curveId = curves[pub.data.algorithm.curve.join('.')]
-  if (!curveId) throw new Error('unknown curve ' + pub.data.algorithm.curve.join('.'))
-
-  var curve = new EC(curveId)
-  var pubkey = pub.data.subjectPrivateKey.data
-
-  return curve.verify(hash, sig, pubkey)
-}
-
-function dsaVerify (sig, hash, pub) {
-  var p = pub.data.p
-  var q = pub.data.q
-  var g = pub.data.g
-  var y = pub.data.pub_key
-  var unpacked = parseKeys.signature.decode(sig, 'der')
-  var s = unpacked.s
-  var r = unpacked.r
-  checkValue(s, q)
-  checkValue(r, q)
-  var montp = BN.mont(p)
-  var w = s.invm(q)
-  var v = g.toRed(montp)
-    .redPow(new BN(hash).mul(w).mod(q))
-    .fromRed()
-    .mul(
-      y.toRed(montp)
-        .redPow(r.mul(w).mod(q))
-        .fromRed()
-  ).mod(p).mod(q)
-  return !v.cmp(r)
-}
-
-function checkValue (b, q) {
-  if (b.cmpn(0) <= 0) {
-    throw new Error('invalid sig')
-  }
-  if (b.cmp(q) >= q) {
-    throw new Error('invalid sig')
-  }
-}
-
-module.exports = verify
-
-}).call(this,require("buffer").Buffer)
-},{"./curves":41,"bn.js":17,"buffer":46,"elliptic":65,"parse-asn1":105}],44:[function(require,module,exports){
-var basex = require('base-x')
-var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
-var base58 = basex(ALPHABET)
-
-module.exports = {
-  encode: base58.encode,
-  decode: base58.decode
-}
-
-},{"base-x":15}],45:[function(require,module,exports){
-(function (Buffer){
-module.exports = function xor (a, b) {
-  var length = Math.min(a.length, b.length)
-  var buffer = new Buffer(length)
-
-  for (var i = 0; i < length; ++i) {
-    buffer[i] = a[i] ^ b[i]
-  }
-
-  return buffer
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46}],46:[function(require,module,exports){
-(function (global){
-/*!
- * The buffer module from node.js, for the browser.
- *
- * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
- * @license  MIT
- */
-/* eslint-disable no-proto */
-
-var base64 = require('base64-js')
-var ieee754 = require('ieee754')
-var isArray = require('is-array')
-
-exports.Buffer = Buffer
-exports.SlowBuffer = SlowBuffer
-exports.INSPECT_MAX_BYTES = 50
-Buffer.poolSize = 8192 // not used by this implementation
-
-var rootParent = {}
-
-/**
- * If `Buffer.TYPED_ARRAY_SUPPORT`:
- *   === true    Use Uint8Array implementation (fastest)
- *   === false   Use Object implementation (most compatible, even IE6)
- *
- * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
- * Opera 11.6+, iOS 4.2+.
- *
- * Due to various browser bugs, sometimes the Object implementation will be used even
- * when the browser supports typed arrays.
- *
- * Note:
- *
- *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
- *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
- *
- *   - Safari 5-7 lacks support for changing the `Object.prototype.constructor` property
- *     on objects.
- *
- *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
- *
- *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
- *     incorrect length in some situations.
-
- * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
- * get the Object implementation, which is slower but behaves correctly.
- */
-Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
-  ? global.TYPED_ARRAY_SUPPORT
-  : typedArraySupport()
-
-function typedArraySupport () {
-  function Bar () {}
-  try {
-    var arr = new Uint8Array(1)
-    arr.foo = function () { return 42 }
-    arr.constructor = Bar
-    return arr.foo() === 42 && // typed array instances can be augmented
-        arr.constructor === Bar && // constructor can be set
-        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
-        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
-  } catch (e) {
-    return false
-  }
-}
-
-function kMaxLength () {
-  return Buffer.TYPED_ARRAY_SUPPORT
-    ? 0x7fffffff
-    : 0x3fffffff
-}
-
-/**
- * Class: Buffer
- * =============
- *
- * The Buffer constructor returns instances of `Uint8Array` that are augmented
- * with function properties for all the node `Buffer` API functions. We use
- * `Uint8Array` so that square bracket notation works as expected -- it returns
- * a single octet.
- *
- * By augmenting the instances, we can avoid modifying the `Uint8Array`
- * prototype.
- */
-function Buffer (arg) {
-  if (!(this instanceof Buffer)) {
-    // Avoid going through an ArgumentsAdaptorTrampoline in the common case.
-    if (arguments.length > 1) return new Buffer(arg, arguments[1])
-    return new Buffer(arg)
-  }
-
-  this.length = 0
-  this.parent = undefined
-
-  // Common case.
-  if (typeof arg === 'number') {
-    return fromNumber(this, arg)
-  }
-
-  // Slightly less common case.
-  if (typeof arg === 'string') {
-    return fromString(this, arg, arguments.length > 1 ? arguments[1] : 'utf8')
-  }
-
-  // Unusual.
-  return fromObject(this, arg)
-}
-
-function fromNumber (that, length) {
-  that = allocate(that, length < 0 ? 0 : checked(length) | 0)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) {
-    for (var i = 0; i < length; i++) {
-      that[i] = 0
-    }
-  }
-  return that
-}
-
-function fromString (that, string, encoding) {
-  if (typeof encoding !== 'string' || encoding === '') encoding = 'utf8'
-
-  // Assumption: byteLength() return value is always < kMaxLength.
-  var length = byteLength(string, encoding) | 0
-  that = allocate(that, length)
-
-  that.write(string, encoding)
-  return that
-}
-
-function fromObject (that, object) {
-  if (Buffer.isBuffer(object)) return fromBuffer(that, object)
-
-  if (isArray(object)) return fromArray(that, object)
-
-  if (object == null) {
-    throw new TypeError('must start with number, buffer, array or string')
-  }
-
-  if (typeof ArrayBuffer !== 'undefined') {
-    if (object.buffer instanceof ArrayBuffer) {
-      return fromTypedArray(that, object)
-    }
-    if (object instanceof ArrayBuffer) {
-      return fromArrayBuffer(that, object)
-    }
-  }
-
-  if (object.length) return fromArrayLike(that, object)
-
-  return fromJsonObject(that, object)
-}
-
-function fromBuffer (that, buffer) {
-  var length = checked(buffer.length) | 0
-  that = allocate(that, length)
-  buffer.copy(that, 0, 0, length)
-  return that
-}
-
-function fromArray (that, array) {
-  var length = checked(array.length) | 0
-  that = allocate(that, length)
-  for (var i = 0; i < length; i += 1) {
-    that[i] = array[i] & 255
-  }
-  return that
-}
-
-// Duplicate of fromArray() to keep fromArray() monomorphic.
-function fromTypedArray (that, array) {
-  var length = checked(array.length) | 0
-  that = allocate(that, length)
-  // Truncating the elements is probably not what people expect from typed
-  // arrays with BYTES_PER_ELEMENT > 1 but it's compatible with the behavior
-  // of the old Buffer constructor.
-  for (var i = 0; i < length; i += 1) {
-    that[i] = array[i] & 255
-  }
-  return that
-}
-
-function fromArrayBuffer (that, array) {
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    // Return an augmented `Uint8Array` instance, for best performance
-    array.byteLength
-    that = Buffer._augment(new Uint8Array(array))
-  } else {
-    // Fallback: Return an object instance of the Buffer class
-    that = fromTypedArray(that, new Uint8Array(array))
-  }
-  return that
-}
-
-function fromArrayLike (that, array) {
-  var length = checked(array.length) | 0
-  that = allocate(that, length)
-  for (var i = 0; i < length; i += 1) {
-    that[i] = array[i] & 255
-  }
-  return that
-}
-
-// Deserialize { type: 'Buffer', data: [1,2,3,...] } into a Buffer object.
-// Returns a zero-length buffer for inputs that don't conform to the spec.
-function fromJsonObject (that, object) {
-  var array
-  var length = 0
-
-  if (object.type === 'Buffer' && isArray(object.data)) {
-    array = object.data
-    length = checked(array.length) | 0
-  }
-  that = allocate(that, length)
-
-  for (var i = 0; i < length; i += 1) {
-    that[i] = array[i] & 255
-  }
-  return that
-}
-
-if (Buffer.TYPED_ARRAY_SUPPORT) {
-  Buffer.prototype.__proto__ = Uint8Array.prototype
-  Buffer.__proto__ = Uint8Array
-}
-
-function allocate (that, length) {
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    // Return an augmented `Uint8Array` instance, for best performance
-    that = Buffer._augment(new Uint8Array(length))
-    that.__proto__ = Buffer.prototype
-  } else {
-    // Fallback: Return an object instance of the Buffer class
-    that.length = length
-    that._isBuffer = true
-  }
-
-  var fromPool = length !== 0 && length <= Buffer.poolSize >>> 1
-  if (fromPool) that.parent = rootParent
-
-  return that
-}
-
-function checked (length) {
-  // Note: cannot use `length < kMaxLength` here because that fails when
-  // length is NaN (which is otherwise coerced to zero.)
-  if (length >= kMaxLength()) {
-    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
-                         'size: 0x' + kMaxLength().toString(16) + ' bytes')
-  }
-  return length | 0
-}
-
-function SlowBuffer (subject, encoding) {
-  if (!(this instanceof SlowBuffer)) return new SlowBuffer(subject, encoding)
-
-  var buf = new Buffer(subject, encoding)
-  delete buf.parent
-  return buf
-}
-
-Buffer.isBuffer = function isBuffer (b) {
-  return !!(b != null && b._isBuffer)
-}
-
-Buffer.compare = function compare (a, b) {
-  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
-    throw new TypeError('Arguments must be Buffers')
-  }
-
-  if (a === b) return 0
-
-  var x = a.length
-  var y = b.length
-
-  var i = 0
-  var len = Math.min(x, y)
-  while (i < len) {
-    if (a[i] !== b[i]) break
-
-    ++i
-  }
-
-  if (i !== len) {
-    x = a[i]
-    y = b[i]
-  }
-
-  if (x < y) return -1
-  if (y < x) return 1
-  return 0
-}
-
-Buffer.isEncoding = function isEncoding (encoding) {
-  switch (String(encoding).toLowerCase()) {
-    case 'hex':
-    case 'utf8':
-    case 'utf-8':
-    case 'ascii':
-    case 'binary':
-    case 'base64':
-    case 'raw':
-    case 'ucs2':
-    case 'ucs-2':
-    case 'utf16le':
-    case 'utf-16le':
-      return true
-    default:
-      return false
-  }
-}
-
-Buffer.concat = function concat (list, length) {
-  if (!isArray(list)) throw new TypeError('list argument must be an Array of Buffers.')
-
-  if (list.length === 0) {
-    return new Buffer(0)
-  }
-
-  var i
-  if (length === undefined) {
-    length = 0
-    for (i = 0; i < list.length; i++) {
-      length += list[i].length
-    }
-  }
-
-  var buf = new Buffer(length)
-  var pos = 0
-  for (i = 0; i < list.length; i++) {
-    var item = list[i]
-    item.copy(buf, pos)
-    pos += item.length
-  }
-  return buf
-}
-
-function byteLength (string, encoding) {
-  if (typeof string !== 'string') string = '' + string
-
-  var len = string.length
-  if (len === 0) return 0
-
-  // Use a for loop to avoid recursion
-  var loweredCase = false
-  for (;;) {
-    switch (encoding) {
-      case 'ascii':
-      case 'binary':
-      // Deprecated
-      case 'raw':
-      case 'raws':
-        return len
-      case 'utf8':
-      case 'utf-8':
-        return utf8ToBytes(string).length
-      case 'ucs2':
-      case 'ucs-2':
-      case 'utf16le':
-      case 'utf-16le':
-        return len * 2
-      case 'hex':
-        return len >>> 1
-      case 'base64':
-        return base64ToBytes(string).length
-      default:
-        if (loweredCase) return utf8ToBytes(string).length // assume utf8
-        encoding = ('' + encoding).toLowerCase()
-        loweredCase = true
-    }
-  }
-}
-Buffer.byteLength = byteLength
-
-// pre-set for values that may exist in the future
-Buffer.prototype.length = undefined
-Buffer.prototype.parent = undefined
-
-function slowToString (encoding, start, end) {
-  var loweredCase = false
-
-  start = start | 0
-  end = end === undefined || end === Infinity ? this.length : end | 0
-
-  if (!encoding) encoding = 'utf8'
-  if (start < 0) start = 0
-  if (end > this.length) end = this.length
-  if (end <= start) return ''
-
-  while (true) {
-    switch (encoding) {
-      case 'hex':
-        return hexSlice(this, start, end)
-
-      case 'utf8':
-      case 'utf-8':
-        return utf8Slice(this, start, end)
-
-      case 'ascii':
-        return asciiSlice(this, start, end)
-
-      case 'binary':
-        return binarySlice(this, start, end)
-
-      case 'base64':
-        return base64Slice(this, start, end)
-
-      case 'ucs2':
-      case 'ucs-2':
-      case 'utf16le':
-      case 'utf-16le':
-        return utf16leSlice(this, start, end)
-
-      default:
-        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
-        encoding = (encoding + '').toLowerCase()
-        loweredCase = true
-    }
-  }
-}
-
-Buffer.prototype.toString = function toString () {
-  var length = this.length | 0
-  if (length === 0) return ''
-  if (arguments.length === 0) return utf8Slice(this, 0, length)
-  return slowToString.apply(this, arguments)
-}
-
-Buffer.prototype.equals = function equals (b) {
-  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
-  if (this === b) return true
-  return Buffer.compare(this, b) === 0
-}
-
-Buffer.prototype.inspect = function inspect () {
-  var str = ''
-  var max = exports.INSPECT_MAX_BYTES
-  if (this.length > 0) {
-    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
-    if (this.length > max) str += ' ... '
-  }
-  return '<Buffer ' + str + '>'
-}
-
-Buffer.prototype.compare = function compare (b) {
-  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
-  if (this === b) return 0
-  return Buffer.compare(this, b)
-}
-
-Buffer.prototype.indexOf = function indexOf (val, byteOffset) {
-  if (byteOffset > 0x7fffffff) byteOffset = 0x7fffffff
-  else if (byteOffset < -0x80000000) byteOffset = -0x80000000
-  byteOffset >>= 0
-
-  if (this.length === 0) return -1
-  if (byteOffset >= this.length) return -1
-
-  // Negative offsets start from the end of the buffer
-  if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0)
-
-  if (typeof val === 'string') {
-    if (val.length === 0) return -1 // special case: looking for empty string always fails
-    return String.prototype.indexOf.call(this, val, byteOffset)
-  }
-  if (Buffer.isBuffer(val)) {
-    return arrayIndexOf(this, val, byteOffset)
-  }
-  if (typeof val === 'number') {
-    if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') {
-      return Uint8Array.prototype.indexOf.call(this, val, byteOffset)
-    }
-    return arrayIndexOf(this, [ val ], byteOffset)
-  }
-
-  function arrayIndexOf (arr, val, byteOffset) {
-    var foundIndex = -1
-    for (var i = 0; byteOffset + i < arr.length; i++) {
-      if (arr[byteOffset + i] === val[foundIndex === -1 ? 0 : i - foundIndex]) {
-        if (foundIndex === -1) foundIndex = i
-        if (i - foundIndex + 1 === val.length) return byteOffset + foundIndex
-      } else {
-        foundIndex = -1
-      }
-    }
-    return -1
-  }
-
-  throw new TypeError('val must be string, number or Buffer')
-}
-
-// `get` is deprecated
-Buffer.prototype.get = function get (offset) {
-  console.log('.get() is deprecated. Access using array indexes instead.')
-  return this.readUInt8(offset)
-}
-
-// `set` is deprecated
-Buffer.prototype.set = function set (v, offset) {
-  console.log('.set() is deprecated. Access using array indexes instead.')
-  return this.writeUInt8(v, offset)
-}
-
-function hexWrite (buf, string, offset, length) {
-  offset = Number(offset) || 0
-  var remaining = buf.length - offset
-  if (!length) {
-    length = remaining
-  } else {
-    length = Number(length)
-    if (length > remaining) {
-      length = remaining
-    }
-  }
-
-  // must be an even number of digits
-  var strLen = string.length
-  if (strLen % 2 !== 0) throw new Error('Invalid hex string')
-
-  if (length > strLen / 2) {
-    length = strLen / 2
-  }
-  for (var i = 0; i < length; i++) {
-    var parsed = parseInt(string.substr(i * 2, 2), 16)
-    if (isNaN(parsed)) throw new Error('Invalid hex string')
-    buf[offset + i] = parsed
-  }
-  return i
-}
-
-function utf8Write (buf, string, offset, length) {
-  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
-}
-
-function asciiWrite (buf, string, offset, length) {
-  return blitBuffer(asciiToBytes(string), buf, offset, length)
-}
-
-function binaryWrite (buf, string, offset, length) {
-  return asciiWrite(buf, string, offset, length)
-}
-
-function base64Write (buf, string, offset, length) {
-  return blitBuffer(base64ToBytes(string), buf, offset, length)
-}
-
-function ucs2Write (buf, string, offset, length) {
-  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
-}
-
-Buffer.prototype.write = function write (string, offset, length, encoding) {
-  // Buffer#write(string)
-  if (offset === undefined) {
-    encoding = 'utf8'
-    length = this.length
-    offset = 0
-  // Buffer#write(string, encoding)
-  } else if (length === undefined && typeof offset === 'string') {
-    encoding = offset
-    length = this.length
-    offset = 0
-  // Buffer#write(string, offset[, length][, encoding])
-  } else if (isFinite(offset)) {
-    offset = offset | 0
-    if (isFinite(length)) {
-      length = length | 0
-      if (encoding === undefined) encoding = 'utf8'
-    } else {
-      encoding = length
-      length = undefined
-    }
-  // legacy write(string, encoding, offset, length) - remove in v0.13
-  } else {
-    var swap = encoding
-    encoding = offset
-    offset = length | 0
-    length = swap
-  }
-
-  var remaining = this.length - offset
-  if (length === undefined || length > remaining) length = remaining
-
-  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
-    throw new RangeError('attempt to write outside buffer bounds')
-  }
-
-  if (!encoding) encoding = 'utf8'
-
-  var loweredCase = false
-  for (;;) {
-    switch (encoding) {
-      case 'hex':
-        return hexWrite(this, string, offset, length)
-
-      case 'utf8':
-      case 'utf-8':
-        return utf8Write(this, string, offset, length)
-
-      case 'ascii':
-        return asciiWrite(this, string, offset, length)
-
-      case 'binary':
-        return binaryWrite(this, string, offset, length)
-
-      case 'base64':
-        // Warning: maxLength not taken into account in base64Write
-        return base64Write(this, string, offset, length)
-
-      case 'ucs2':
-      case 'ucs-2':
-      case 'utf16le':
-      case 'utf-16le':
-        return ucs2Write(this, string, offset, length)
-
-      default:
-        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
-        encoding = ('' + encoding).toLowerCase()
-        loweredCase = true
-    }
-  }
-}
-
-Buffer.prototype.toJSON = function toJSON () {
-  return {
-    type: 'Buffer',
-    data: Array.prototype.slice.call(this._arr || this, 0)
-  }
-}
-
-function base64Slice (buf, start, end) {
-  if (start === 0 && end === buf.length) {
-    return base64.fromByteArray(buf)
-  } else {
-    return base64.fromByteArray(buf.slice(start, end))
-  }
-}
-
-function utf8Slice (buf, start, end) {
-  end = Math.min(buf.length, end)
-  var res = []
-
-  var i = start
-  while (i < end) {
-    var firstByte = buf[i]
-    var codePoint = null
-    var bytesPerSequence = (firstByte > 0xEF) ? 4
-      : (firstByte > 0xDF) ? 3
-      : (firstByte > 0xBF) ? 2
-      : 1
-
-    if (i + bytesPerSequence <= end) {
-      var secondByte, thirdByte, fourthByte, tempCodePoint
-
-      switch (bytesPerSequence) {
-        case 1:
-          if (firstByte < 0x80) {
-            codePoint = firstByte
-          }
-          break
-        case 2:
-          secondByte = buf[i + 1]
-          if ((secondByte & 0xC0) === 0x80) {
-            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
-            if (tempCodePoint > 0x7F) {
-              codePoint = tempCodePoint
-            }
-          }
-          break
-        case 3:
-          secondByte = buf[i + 1]
-          thirdByte = buf[i + 2]
-          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
-            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
-            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
-              codePoint = tempCodePoint
-            }
-          }
-          break
-        case 4:
-          secondByte = buf[i + 1]
-          thirdByte = buf[i + 2]
-          fourthByte = buf[i + 3]
-          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
-            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
-            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
-              codePoint = tempCodePoint
-            }
-          }
-      }
-    }
-
-    if (codePoint === null) {
-      // we did not generate a valid codePoint so insert a
-      // replacement char (U+FFFD) and advance only 1 byte
-      codePoint = 0xFFFD
-      bytesPerSequence = 1
-    } else if (codePoint > 0xFFFF) {
-      // encode to utf16 (surrogate pair dance)
-      codePoint -= 0x10000
-      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
-      codePoint = 0xDC00 | codePoint & 0x3FF
-    }
-
-    res.push(codePoint)
-    i += bytesPerSequence
-  }
-
-  return decodeCodePointsArray(res)
-}
-
-// Based on http://stackoverflow.com/a/22747272/680742, the browser with
-// the lowest limit is Chrome, with 0x10000 args.
-// We go 1 magnitude less, for safety
-var MAX_ARGUMENTS_LENGTH = 0x1000
-
-function decodeCodePointsArray (codePoints) {
-  var len = codePoints.length
-  if (len <= MAX_ARGUMENTS_LENGTH) {
-    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
-  }
-
-  // Decode in chunks to avoid "call stack size exceeded".
-  var res = ''
-  var i = 0
-  while (i < len) {
-    res += String.fromCharCode.apply(
-      String,
-      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
-    )
-  }
-  return res
-}
-
-function asciiSlice (buf, start, end) {
-  var ret = ''
-  end = Math.min(buf.length, end)
-
-  for (var i = start; i < end; i++) {
-    ret += String.fromCharCode(buf[i] & 0x7F)
-  }
-  return ret
-}
-
-function binarySlice (buf, start, end) {
-  var ret = ''
-  end = Math.min(buf.length, end)
-
-  for (var i = start; i < end; i++) {
-    ret += String.fromCharCode(buf[i])
-  }
-  return ret
-}
-
-function hexSlice (buf, start, end) {
-  var len = buf.length
-
-  if (!start || start < 0) start = 0
-  if (!end || end < 0 || end > len) end = len
-
-  var out = ''
-  for (var i = start; i < end; i++) {
-    out += toHex(buf[i])
-  }
-  return out
-}
-
-function utf16leSlice (buf, start, end) {
-  var bytes = buf.slice(start, end)
-  var res = ''
-  for (var i = 0; i < bytes.length; i += 2) {
-    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
-  }
-  return res
-}
-
-Buffer.prototype.slice = function slice (start, end) {
-  var len = this.length
-  start = ~~start
-  end = end === undefined ? len : ~~end
-
-  if (start < 0) {
-    start += len
-    if (start < 0) start = 0
-  } else if (start > len) {
-    start = len
-  }
-
-  if (end < 0) {
-    end += len
-    if (end < 0) end = 0
-  } else if (end > len) {
-    end = len
-  }
-
-  if (end < start) end = start
-
-  var newBuf
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    newBuf = Buffer._augment(this.subarray(start, end))
-  } else {
-    var sliceLen = end - start
-    newBuf = new Buffer(sliceLen, undefined)
-    for (var i = 0; i < sliceLen; i++) {
-      newBuf[i] = this[i + start]
-    }
-  }
-
-  if (newBuf.length) newBuf.parent = this.parent || this
-
-  return newBuf
-}
-
-/*
- * Need to make sure that buffer isn't trying to write out of bounds.
- */
-function checkOffset (offset, ext, length) {
-  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
-  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
-}
-
-Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) checkOffset(offset, byteLength, this.length)
-
-  var val = this[offset]
-  var mul = 1
-  var i = 0
-  while (++i < byteLength && (mul *= 0x100)) {
-    val += this[offset + i] * mul
-  }
-
-  return val
-}
-
-Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) {
-    checkOffset(offset, byteLength, this.length)
-  }
-
-  var val = this[offset + --byteLength]
-  var mul = 1
-  while (byteLength > 0 && (mul *= 0x100)) {
-    val += this[offset + --byteLength] * mul
-  }
-
-  return val
-}
-
-Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 1, this.length)
-  return this[offset]
-}
-
-Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length)
-  return this[offset] | (this[offset + 1] << 8)
-}
-
-Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length)
-  return (this[offset] << 8) | this[offset + 1]
-}
-
-Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-
-  return ((this[offset]) |
-      (this[offset + 1] << 8) |
-      (this[offset + 2] << 16)) +
-      (this[offset + 3] * 0x1000000)
-}
-
-Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-
-  return (this[offset] * 0x1000000) +
-    ((this[offset + 1] << 16) |
-    (this[offset + 2] << 8) |
-    this[offset + 3])
-}
-
-Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) checkOffset(offset, byteLength, this.length)
-
-  var val = this[offset]
-  var mul = 1
-  var i = 0
-  while (++i < byteLength && (mul *= 0x100)) {
-    val += this[offset + i] * mul
-  }
-  mul *= 0x80
-
-  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
-
-  return val
-}
-
-Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) checkOffset(offset, byteLength, this.length)
-
-  var i = byteLength
-  var mul = 1
-  var val = this[offset + --i]
-  while (i > 0 && (mul *= 0x100)) {
-    val += this[offset + --i] * mul
-  }
-  mul *= 0x80
-
-  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
-
-  return val
-}
-
-Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 1, this.length)
-  if (!(this[offset] & 0x80)) return (this[offset])
-  return ((0xff - this[offset] + 1) * -1)
-}
-
-Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length)
-  var val = this[offset] | (this[offset + 1] << 8)
-  return (val & 0x8000) ? val | 0xFFFF0000 : val
-}
-
-Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 2, this.length)
-  var val = this[offset + 1] | (this[offset] << 8)
-  return (val & 0x8000) ? val | 0xFFFF0000 : val
-}
-
-Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-
-  return (this[offset]) |
-    (this[offset + 1] << 8) |
-    (this[offset + 2] << 16) |
-    (this[offset + 3] << 24)
-}
-
-Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-
-  return (this[offset] << 24) |
-    (this[offset + 1] << 16) |
-    (this[offset + 2] << 8) |
-    (this[offset + 3])
-}
-
-Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-  return ieee754.read(this, offset, true, 23, 4)
-}
-
-Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 4, this.length)
-  return ieee754.read(this, offset, false, 23, 4)
-}
-
-Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 8, this.length)
-  return ieee754.read(this, offset, true, 52, 8)
-}
-
-Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
-  if (!noAssert) checkOffset(offset, 8, this.length)
-  return ieee754.read(this, offset, false, 52, 8)
-}
-
-function checkInt (buf, value, offset, ext, max, min) {
-  if (!Buffer.isBuffer(buf)) throw new TypeError('buffer must be a Buffer instance')
-  if (value > max || value < min) throw new RangeError('value is out of bounds')
-  if (offset + ext > buf.length) throw new RangeError('index out of range')
-}
-
-Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
-  value = +value
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)
-
-  var mul = 1
-  var i = 0
-  this[offset] = value & 0xFF
-  while (++i < byteLength && (mul *= 0x100)) {
-    this[offset + i] = (value / mul) & 0xFF
-  }
-
-  return offset + byteLength
-}
-
-Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
-  value = +value
-  offset = offset | 0
-  byteLength = byteLength | 0
-  if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)
-
-  var i = byteLength - 1
-  var mul = 1
-  this[offset + i] = value & 0xFF
-  while (--i >= 0 && (mul *= 0x100)) {
-    this[offset + i] = (value / mul) & 0xFF
-  }
-
-  return offset + byteLength
-}
-
-Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
-  this[offset] = (value & 0xff)
-  return offset + 1
-}
-
-function objectWriteUInt16 (buf, value, offset, littleEndian) {
-  if (value < 0) value = 0xffff + value + 1
-  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) {
-    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
-      (littleEndian ? i : 1 - i) * 8
-  }
-}
-
-Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff)
-    this[offset + 1] = (value >>> 8)
-  } else {
-    objectWriteUInt16(this, value, offset, true)
-  }
-  return offset + 2
-}
-
-Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 8)
-    this[offset + 1] = (value & 0xff)
-  } else {
-    objectWriteUInt16(this, value, offset, false)
-  }
-  return offset + 2
-}
-
-function objectWriteUInt32 (buf, value, offset, littleEndian) {
-  if (value < 0) value = 0xffffffff + value + 1
-  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; i++) {
-    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
-  }
-}
-
-Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset + 3] = (value >>> 24)
-    this[offset + 2] = (value >>> 16)
-    this[offset + 1] = (value >>> 8)
-    this[offset] = (value & 0xff)
-  } else {
-    objectWriteUInt32(this, value, offset, true)
-  }
-  return offset + 4
-}
-
-Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 24)
-    this[offset + 1] = (value >>> 16)
-    this[offset + 2] = (value >>> 8)
-    this[offset + 3] = (value & 0xff)
-  } else {
-    objectWriteUInt32(this, value, offset, false)
-  }
-  return offset + 4
-}
-
-Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) {
-    var limit = Math.pow(2, 8 * byteLength - 1)
-
-    checkInt(this, value, offset, byteLength, limit - 1, -limit)
-  }
-
-  var i = 0
-  var mul = 1
-  var sub = value < 0 ? 1 : 0
-  this[offset] = value & 0xFF
-  while (++i < byteLength && (mul *= 0x100)) {
-    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
-  }
-
-  return offset + byteLength
-}
-
-Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) {
-    var limit = Math.pow(2, 8 * byteLength - 1)
-
-    checkInt(this, value, offset, byteLength, limit - 1, -limit)
-  }
-
-  var i = byteLength - 1
-  var mul = 1
-  var sub = value < 0 ? 1 : 0
-  this[offset + i] = value & 0xFF
-  while (--i >= 0 && (mul *= 0x100)) {
-    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
-  }
-
-  return offset + byteLength
-}
-
-Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
-  if (value < 0) value = 0xff + value + 1
-  this[offset] = (value & 0xff)
-  return offset + 1
-}
-
-Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff)
-    this[offset + 1] = (value >>> 8)
-  } else {
-    objectWriteUInt16(this, value, offset, true)
-  }
-  return offset + 2
-}
-
-Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 8)
-    this[offset + 1] = (value & 0xff)
-  } else {
-    objectWriteUInt16(this, value, offset, false)
-  }
-  return offset + 2
-}
-
-Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff)
-    this[offset + 1] = (value >>> 8)
-    this[offset + 2] = (value >>> 16)
-    this[offset + 3] = (value >>> 24)
-  } else {
-    objectWriteUInt32(this, value, offset, true)
-  }
-  return offset + 4
-}
-
-Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
-  value = +value
-  offset = offset | 0
-  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
-  if (value < 0) value = 0xffffffff + value + 1
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 24)
-    this[offset + 1] = (value >>> 16)
-    this[offset + 2] = (value >>> 8)
-    this[offset + 3] = (value & 0xff)
-  } else {
-    objectWriteUInt32(this, value, offset, false)
-  }
-  return offset + 4
-}
-
-function checkIEEE754 (buf, value, offset, ext, max, min) {
-  if (value > max || value < min) throw new RangeError('value is out of bounds')
-  if (offset + ext > buf.length) throw new RangeError('index out of range')
-  if (offset < 0) throw new RangeError('index out of range')
-}
-
-function writeFloat (buf, value, offset, littleEndian, noAssert) {
-  if (!noAssert) {
-    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
-  }
-  ieee754.write(buf, value, offset, littleEndian, 23, 4)
-  return offset + 4
-}
-
-Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
-  return writeFloat(this, value, offset, true, noAssert)
-}
-
-Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
-  return writeFloat(this, value, offset, false, noAssert)
-}
-
-function writeDouble (buf, value, offset, littleEndian, noAssert) {
-  if (!noAssert) {
-    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
-  }
-  ieee754.write(buf, value, offset, littleEndian, 52, 8)
-  return offset + 8
-}
-
-Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
-  return writeDouble(this, value, offset, true, noAssert)
-}
-
-Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
-  return writeDouble(this, value, offset, false, noAssert)
-}
-
-// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
-Buffer.prototype.copy = function copy (target, targetStart, start, end) {
-  if (!start) start = 0
-  if (!end && end !== 0) end = this.length
-  if (targetStart >= target.length) targetStart = target.length
-  if (!targetStart) targetStart = 0
-  if (end > 0 && end < start) end = start
-
-  // Copy 0 bytes; we're done
-  if (end === start) return 0
-  if (target.length === 0 || this.length === 0) return 0
-
-  // Fatal error conditions
-  if (targetStart < 0) {
-    throw new RangeError('targetStart out of bounds')
-  }
-  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
-  if (end < 0) throw new RangeError('sourceEnd out of bounds')
-
-  // Are we oob?
-  if (end > this.length) end = this.length
-  if (target.length - targetStart < end - start) {
-    end = target.length - targetStart + start
-  }
-
-  var len = end - start
-  var i
-
-  if (this === target && start < targetStart && targetStart < end) {
-    // descending copy from end
-    for (i = len - 1; i >= 0; i--) {
-      target[i + targetStart] = this[i + start]
-    }
-  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
-    // ascending copy from start
-    for (i = 0; i < len; i++) {
-      target[i + targetStart] = this[i + start]
-    }
-  } else {
-    target._set(this.subarray(start, start + len), targetStart)
-  }
-
-  return len
-}
-
-// fill(value, start=0, end=buffer.length)
-Buffer.prototype.fill = function fill (value, start, end) {
-  if (!value) value = 0
-  if (!start) start = 0
-  if (!end) end = this.length
-
-  if (end < start) throw new RangeError('end < start')
-
-  // Fill 0 bytes; we're done
-  if (end === start) return
-  if (this.length === 0) return
-
-  if (start < 0 || start >= this.length) throw new RangeError('start out of bounds')
-  if (end < 0 || end > this.length) throw new RangeError('end out of bounds')
-
-  var i
-  if (typeof value === 'number') {
-    for (i = start; i < end; i++) {
-      this[i] = value
-    }
-  } else {
-    var bytes = utf8ToBytes(value.toString())
-    var len = bytes.length
-    for (i = start; i < end; i++) {
-      this[i] = bytes[i % len]
-    }
-  }
-
-  return this
-}
-
-/**
- * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance.
- * Added in Node 0.12. Only available in browsers that support ArrayBuffer.
- */
-Buffer.prototype.toArrayBuffer = function toArrayBuffer () {
-  if (typeof Uint8Array !== 'undefined') {
-    if (Buffer.TYPED_ARRAY_SUPPORT) {
-      return (new Buffer(this)).buffer
-    } else {
-      var buf = new Uint8Array(this.length)
-      for (var i = 0, len = buf.length; i < len; i += 1) {
-        buf[i] = this[i]
-      }
-      return buf.buffer
-    }
-  } else {
-    throw new TypeError('Buffer.toArrayBuffer not supported in this browser')
-  }
-}
-
-// HELPER FUNCTIONS
-// ================
-
-var BP = Buffer.prototype
-
-/**
- * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods
- */
-Buffer._augment = function _augment (arr) {
-  arr.constructor = Buffer
-  arr._isBuffer = true
-
-  // save reference to original Uint8Array set method before overwriting
-  arr._set = arr.set
-
-  // deprecated
-  arr.get = BP.get
-  arr.set = BP.set
-
-  arr.write = BP.write
-  arr.toString = BP.toString
-  arr.toLocaleString = BP.toString
-  arr.toJSON = BP.toJSON
-  arr.equals = BP.equals
-  arr.compare = BP.compare
-  arr.indexOf = BP.indexOf
-  arr.copy = BP.copy
-  arr.slice = BP.slice
-  arr.readUIntLE = BP.readUIntLE
-  arr.readUIntBE = BP.readUIntBE
-  arr.readUInt8 = BP.readUInt8
-  arr.readUInt16LE = BP.readUInt16LE
-  arr.readUInt16BE = BP.readUInt16BE
-  arr.readUInt32LE = BP.readUInt32LE
-  arr.readUInt32BE = BP.readUInt32BE
-  arr.readIntLE = BP.readIntLE
-  arr.readIntBE = BP.readIntBE
-  arr.readInt8 = BP.readInt8
-  arr.readInt16LE = BP.readInt16LE
-  arr.readInt16BE = BP.readInt16BE
-  arr.readInt32LE = BP.readInt32LE
-  arr.readInt32BE = BP.readInt32BE
-  arr.readFloatLE = BP.readFloatLE
-  arr.readFloatBE = BP.readFloatBE
-  arr.readDoubleLE = BP.readDoubleLE
-  arr.readDoubleBE = BP.readDoubleBE
-  arr.writeUInt8 = BP.writeUInt8
-  arr.writeUIntLE = BP.writeUIntLE
-  arr.writeUIntBE = BP.writeUIntBE
-  arr.writeUInt16LE = BP.writeUInt16LE
-  arr.writeUInt16BE = BP.writeUInt16BE
-  arr.writeUInt32LE = BP.writeUInt32LE
-  arr.writeUInt32BE = BP.writeUInt32BE
-  arr.writeIntLE = BP.writeIntLE
-  arr.writeIntBE = BP.writeIntBE
-  arr.writeInt8 = BP.writeInt8
-  arr.writeInt16LE = BP.writeInt16LE
-  arr.writeInt16BE = BP.writeInt16BE
-  arr.writeInt32LE = BP.writeInt32LE
-  arr.writeInt32BE = BP.writeInt32BE
-  arr.writeFloatLE = BP.writeFloatLE
-  arr.writeFloatBE = BP.writeFloatBE
-  arr.writeDoubleLE = BP.writeDoubleLE
-  arr.writeDoubleBE = BP.writeDoubleBE
-  arr.fill = BP.fill
-  arr.inspect = BP.inspect
-  arr.toArrayBuffer = BP.toArrayBuffer
-
-  return arr
-}
-
-var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
-
-function base64clean (str) {
-  // Node strips out invalid characters like \n and \t from the string, base64-js does not
-  str = stringtrim(str).replace(INVALID_BASE64_RE, '')
-  // Node converts strings with length < 2 to ''
-  if (str.length < 2) return ''
-  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
-  while (str.length % 4 !== 0) {
-    str = str + '='
-  }
-  return str
-}
-
-function stringtrim (str) {
-  if (str.trim) return str.trim()
-  return str.replace(/^\s+|\s+$/g, '')
-}
-
-function toHex (n) {
-  if (n < 16) return '0' + n.toString(16)
-  return n.toString(16)
-}
-
-function utf8ToBytes (string, units) {
-  units = units || Infinity
-  var codePoint
-  var length = string.length
-  var leadSurrogate = null
-  var bytes = []
-
-  for (var i = 0; i < length; i++) {
-    codePoint = string.charCodeAt(i)
-
-    // is surrogate component
-    if (codePoint > 0xD7FF && codePoint < 0xE000) {
-      // last char was a lead
-      if (!leadSurrogate) {
-        // no lead yet
-        if (codePoint > 0xDBFF) {
-          // unexpected trail
-          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
-          continue
-        } else if (i + 1 === length) {
-          // unpaired lead
-          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
-          continue
-        }
-
-        // valid lead
-        leadSurrogate = codePoint
-
-        continue
-      }
-
-      // 2 leads in a row
-      if (codePoint < 0xDC00) {
-        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
-        leadSurrogate = codePoint
-        continue
-      }
-
-      // valid surrogate pair
-      codePoint = leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00 | 0x10000
-    } else if (leadSurrogate) {
-      // valid bmp char, but last char was a lead
-      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
-    }
-
-    leadSurrogate = null
-
-    // encode utf8
-    if (codePoint < 0x80) {
-      if ((units -= 1) < 0) break
-      bytes.push(codePoint)
-    } else if (codePoint < 0x800) {
-      if ((units -= 2) < 0) break
-      bytes.push(
-        codePoint >> 0x6 | 0xC0,
-        codePoint & 0x3F | 0x80
-      )
-    } else if (codePoint < 0x10000) {
-      if ((units -= 3) < 0) break
-      bytes.push(
-        codePoint >> 0xC | 0xE0,
-        codePoint >> 0x6 & 0x3F | 0x80,
-        codePoint & 0x3F | 0x80
-      )
-    } else if (codePoint < 0x110000) {
-      if ((units -= 4) < 0) break
-      bytes.push(
-        codePoint >> 0x12 | 0xF0,
-        codePoint >> 0xC & 0x3F | 0x80,
-        codePoint >> 0x6 & 0x3F | 0x80,
-        codePoint & 0x3F | 0x80
-      )
-    } else {
-      throw new Error('Invalid code point')
-    }
-  }
-
-  return bytes
-}
-
-function asciiToBytes (str) {
-  var byteArray = []
-  for (var i = 0; i < str.length; i++) {
-    // Node's code seems to be doing this and not & 0x7F..
-    byteArray.push(str.charCodeAt(i) & 0xFF)
-  }
-  return byteArray
-}
-
-function utf16leToBytes (str, units) {
-  var c, hi, lo
-  var byteArray = []
-  for (var i = 0; i < str.length; i++) {
-    if ((units -= 2) < 0) break
-
-    c = str.charCodeAt(i)
-    hi = c >> 8
-    lo = c % 256
-    byteArray.push(lo)
-    byteArray.push(hi)
-  }
-
-  return byteArray
-}
-
-function base64ToBytes (str) {
-  return base64.toByteArray(base64clean(str))
-}
-
-function blitBuffer (src, dst, offset, length) {
-  for (var i = 0; i < length; i++) {
-    if ((i + offset >= dst.length) || (i >= src.length)) break
-    dst[i + offset] = src[i]
-  }
-  return i
-}
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"base64-js":16,"ieee754":90,"is-array":94}],47:[function(require,module,exports){
-(function (Buffer){
-var Transform = require('stream').Transform
-var inherits = require('inherits')
-var StringDecoder = require('string_decoder').StringDecoder
-module.exports = CipherBase
-inherits(CipherBase, Transform)
-function CipherBase (hashMode) {
-  Transform.call(this)
-  this.hashMode = typeof hashMode === 'string'
-  if (this.hashMode) {
-    this[hashMode] = this._finalOrDigest
-  } else {
-    this.final = this._finalOrDigest
-  }
-  this._decoder = null
-  this._encoding = null
-}
-CipherBase.prototype.update = function (data, inputEnc, outputEnc) {
-  if (typeof data === 'string') {
-    data = new Buffer(data, inputEnc)
-  }
-  var outData = this._update(data)
-  if (this.hashMode) {
-    return this
-  }
-  if (outputEnc) {
-    outData = this._toString(outData, outputEnc)
-  }
-  return outData
-}
-
-CipherBase.prototype.setAutoPadding = function () {}
-
-CipherBase.prototype.getAuthTag = function () {
-  throw new Error('trying to get auth tag in unsupported state')
-}
-
-CipherBase.prototype.setAuthTag = function () {
-  throw new Error('trying to set auth tag in unsupported state')
-}
-
-CipherBase.prototype.setAAD = function () {
-  throw new Error('trying to set aad in unsupported state')
-}
-
-CipherBase.prototype._transform = function (data, _, next) {
-  var err
-  try {
-    if (this.hashMode) {
-      this._update(data)
-    } else {
-      this.push(this._update(data))
-    }
-  } catch (e) {
-    err = e
-  } finally {
-    next(err)
-  }
-}
-CipherBase.prototype._flush = function (done) {
-  var err
-  try {
-    this.push(this._final())
-  } catch (e) {
-    err = e
-  } finally {
-    done(err)
-  }
-}
-CipherBase.prototype._finalOrDigest = function (outputEnc) {
-  var outData = this._final() || new Buffer('')
-  if (outputEnc) {
-    outData = this._toString(outData, outputEnc, true)
-  }
-  return outData
-}
-
-CipherBase.prototype._toString = function (value, enc, final) {
-  if (!this._decoder) {
-    this._decoder = new StringDecoder(enc)
-    this._encoding = enc
-  }
-  if (this._encoding !== enc) {
-    throw new Error('can\'t switch encodings')
-  }
-  var out = this._decoder.write(value)
-  if (final) {
-    out += this._decoder.end()
-  }
-  return out
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"inherits":92,"stream":135,"string_decoder":136}],48:[function(require,module,exports){
-(function (Buffer){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-// NOTE: These type checking functions intentionally don't use `instanceof`
-// because it is fragile and can be easily faked with `Object.create()`.
-function isArray(ar) {
-  return Array.isArray(ar);
-}
-exports.isArray = isArray;
-
-function isBoolean(arg) {
-  return typeof arg === 'boolean';
-}
-exports.isBoolean = isBoolean;
-
-function isNull(arg) {
-  return arg === null;
-}
-exports.isNull = isNull;
-
-function isNullOrUndefined(arg) {
-  return arg == null;
-}
-exports.isNullOrUndefined = isNullOrUndefined;
-
-function isNumber(arg) {
-  return typeof arg === 'number';
-}
-exports.isNumber = isNumber;
-
-function isString(arg) {
-  return typeof arg === 'string';
-}
-exports.isString = isString;
-
-function isSymbol(arg) {
-  return typeof arg === 'symbol';
-}
-exports.isSymbol = isSymbol;
-
-function isUndefined(arg) {
-  return arg === void 0;
-}
-exports.isUndefined = isUndefined;
-
-function isRegExp(re) {
-  return isObject(re) && objectToString(re) === '[object RegExp]';
-}
-exports.isRegExp = isRegExp;
-
-function isObject(arg) {
-  return typeof arg === 'object' && arg !== null;
-}
-exports.isObject = isObject;
-
-function isDate(d) {
-  return isObject(d) && objectToString(d) === '[object Date]';
-}
-exports.isDate = isDate;
-
-function isError(e) {
-  return isObject(e) &&
-      (objectToString(e) === '[object Error]' || e instanceof Error);
-}
-exports.isError = isError;
-
-function isFunction(arg) {
-  return typeof arg === 'function';
-}
-exports.isFunction = isFunction;
-
-function isPrimitive(arg) {
-  return arg === null ||
-         typeof arg === 'boolean' ||
-         typeof arg === 'number' ||
-         typeof arg === 'string' ||
-         typeof arg === 'symbol' ||  // ES6 symbol
-         typeof arg === 'undefined';
-}
-exports.isPrimitive = isPrimitive;
-
-function isBuffer(arg) {
-  return Buffer.isBuffer(arg);
-}
-exports.isBuffer = isBuffer;
-
-function objectToString(o) {
-  return Object.prototype.toString.call(o);
-}
-}).call(this,{"isBuffer":require("../../is-buffer/index.js")})
-},{"../../is-buffer/index.js":95}],49:[function(require,module,exports){
-(function (Buffer){
-var elliptic = require('elliptic');
-var BN = require('bn.js');
-
-module.exports = function createECDH(curve) {
-	return new ECDH(curve);
-};
-
-var aliases = {
-	secp256k1: {
-		name: 'secp256k1',
-		byteLength: 32
-	},
-	secp224r1: {
-		name: 'p224',
-		byteLength: 28
-	},
-	prime256v1: {
-		name: 'p256',
-		byteLength: 32
-	},
-	prime192v1: {
-		name: 'p192',
-		byteLength: 24
-	},
-	ed25519: {
-		name: 'ed25519',
-		byteLength: 32
-	},
-	secp384r1: {
-		name: 'p384',
-		byteLength: 48
-	},
-	secp521r1: {
-		name: 'p521',
-		byteLength: 66
-	}
-};
-
-aliases.p224 = aliases.secp224r1;
-aliases.p256 = aliases.secp256r1 = aliases.prime256v1;
-aliases.p192 = aliases.secp192r1 = aliases.prime192v1;
-aliases.p384 = aliases.secp384r1;
-aliases.p521 = aliases.secp521r1;
-
-function ECDH(curve) {
-	this.curveType = aliases[curve];
-	if (!this.curveType ) {
-		this.curveType = {
-			name: curve
-		};
-	}
-	this.curve = new elliptic.ec(this.curveType.name);
-	this.keys = void 0;
-}
-
-ECDH.prototype.generateKeys = function (enc, format) {
-	this.keys = this.curve.genKeyPair();
-	return this.getPublicKey(enc, format);
-};
-
-ECDH.prototype.computeSecret = function (other, inenc, enc) {
-	inenc = inenc || 'utf8';
-	if (!Buffer.isBuffer(other)) {
-		other = new Buffer(other, inenc);
-	}
-	var otherPub = this.curve.keyFromPublic(other).getPublic();
-	var out = otherPub.mul(this.keys.getPrivate()).getX();
-	return formatReturnValue(out, enc, this.curveType.byteLength);
-};
-
-ECDH.prototype.getPublicKey = function (enc, format) {
-	var key = this.keys.getPublic(format === 'compressed', true);
-	if (format === 'hybrid') {
-		if (key[key.length - 1] % 2) {
-			key[0] = 7;
-		} else {
-			key [0] = 6;
-		}
-	}
-	return formatReturnValue(key, enc);
-};
-
-ECDH.prototype.getPrivateKey = function (enc) {
-	return formatReturnValue(this.keys.getPrivate(), enc);
-};
-
-ECDH.prototype.setPublicKey = function (pub, enc) {
-	enc = enc || 'utf8';
-	if (!Buffer.isBuffer(pub)) {
-		pub = new Buffer(pub, enc);
-	}
-	this.keys._importPublic(pub);
-	return this;
-};
-
-ECDH.prototype.setPrivateKey = function (priv, enc) {
-	enc = enc || 'utf8';
-	if (!Buffer.isBuffer(priv)) {
-		priv = new Buffer(priv, enc);
-	}
-	var _priv = new BN(priv);
-	_priv = _priv.toString(16);
-	this.keys._importPrivate(_priv);
-	return this;
-};
-
-function formatReturnValue(bn, enc, len) {
-	if (!Array.isArray(bn)) {
-		bn = bn.toArray();
-	}
-	var buf = new Buffer(bn);
-	if (len && buf.length < len) {
-		var zeros = new Buffer(len - buf.length);
-		zeros.fill(0);
-		buf = Buffer.concat([zeros, buf]);
-	}
-	if (!enc) {
-		return buf;
-	} else {
-		return buf.toString(enc);
-	}
-}
-
-}).call(this,require("buffer").Buffer)
-},{"bn.js":17,"buffer":46,"elliptic":65}],50:[function(require,module,exports){
-(function (Buffer){
-'use strict';
-var inherits = require('inherits')
-var md5 = require('./md5')
-var rmd160 = require('ripemd160')
-var sha = require('sha.js')
-
-var Base = require('cipher-base')
-
-function HashNoConstructor(hash) {
-  Base.call(this, 'digest')
-
-  this._hash = hash
-  this.buffers = []
-}
-
-inherits(HashNoConstructor, Base)
-
-HashNoConstructor.prototype._update = function (data) {
-  this.buffers.push(data)
-}
-
-HashNoConstructor.prototype._final = function () {
-  var buf = Buffer.concat(this.buffers)
-  var r = this._hash(buf)
-  this.buffers = null
-
-  return r
-}
-
-function Hash(hash) {
-  Base.call(this, 'digest')
-
-  this._hash = hash
-}
-
-inherits(Hash, Base)
-
-Hash.prototype._update = function (data) {
-  this._hash.update(data)
-}
-
-Hash.prototype._final = function () {
-  return this._hash.digest()
-}
-
-module.exports = function createHash (alg) {
-  alg = alg.toLowerCase()
-  if ('md5' === alg) return new HashNoConstructor(md5)
-  if ('rmd160' === alg || 'ripemd160' === alg) return new HashNoConstructor(rmd160)
-
-  return new Hash(sha(alg))
-}
-
-}).call(this,require("buffer").Buffer)
-},{"./md5":52,"buffer":46,"cipher-base":47,"inherits":92,"ripemd160":126,"sha.js":128}],51:[function(require,module,exports){
-(function (Buffer){
-'use strict';
-var intSize = 4;
-var zeroBuffer = new Buffer(intSize); zeroBuffer.fill(0);
-var chrsz = 8;
-
-function toArray(buf, bigEndian) {
-  if ((buf.length % intSize) !== 0) {
-    var len = buf.length + (intSize - (buf.length % intSize));
-    buf = Buffer.concat([buf, zeroBuffer], len);
-  }
-
-  var arr = [];
-  var fn = bigEndian ? buf.readInt32BE : buf.readInt32LE;
-  for (var i = 0; i < buf.length; i += intSize) {
-    arr.push(fn.call(buf, i));
-  }
-  return arr;
-}
-
-function toBuffer(arr, size, bigEndian) {
-  var buf = new Buffer(size);
-  var fn = bigEndian ? buf.writeInt32BE : buf.writeInt32LE;
-  for (var i = 0; i < arr.length; i++) {
-    fn.call(buf, arr[i], i * 4, true);
-  }
-  return buf;
-}
-
-function hash(buf, fn, hashSize, bigEndian) {
-  if (!Buffer.isBuffer(buf)) buf = new Buffer(buf);
-  var arr = fn(toArray(buf, bigEndian), buf.length * chrsz);
-  return toBuffer(arr, hashSize, bigEndian);
-}
-exports.hash = hash;
-}).call(this,require("buffer").Buffer)
-},{"buffer":46}],52:[function(require,module,exports){
-'use strict';
-/*
- * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
- * Digest Algorithm, as defined in RFC 1321.
- * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
- * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
- * Distributed under the BSD License
- * See http://pajhome.org.uk/crypt/md5 for more info.
- */
-
-var helpers = require('./helpers');
-
-/*
- * Calculate the MD5 of an array of little-endian words, and a bit length
- */
-function core_md5(x, len)
-{
-  /* append padding */
-  x[len >> 5] |= 0x80 << ((len) % 32);
-  x[(((len + 64) >>> 9) << 4) + 14] = len;
-
-  var a =  1732584193;
-  var b = -271733879;
-  var c = -1732584194;
-  var d =  271733878;
-
-  for(var i = 0; i < x.length; i += 16)
-  {
-    var olda = a;
-    var oldb = b;
-    var oldc = c;
-    var oldd = d;
-
-    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
-    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
-    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
-    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
-    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
-    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
-    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
-    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
-    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
-    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
-    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
-    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
-    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
-    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
-    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
-    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);
-
-    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
-    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
-    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
-    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
-    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
-    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
-    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
-    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
-    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
-    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
-    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
-    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
-    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
-    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
-    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
-    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
-
-    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
-    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
-    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
-    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
-    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
-    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
-    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
-    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
-    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
-    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
-    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
-    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
-    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
-    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
-    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
-    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
-
-    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
-    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
-    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
-    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
-    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
-    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
-    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
-    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
-    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
-    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
-    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
-    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
-    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
-    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
-    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
-    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
-
-    a = safe_add(a, olda);
-    b = safe_add(b, oldb);
-    c = safe_add(c, oldc);
-    d = safe_add(d, oldd);
-  }
-  return Array(a, b, c, d);
-
-}
-
-/*
- * These functions implement the four basic operations the algorithm uses.
- */
-function md5_cmn(q, a, b, x, s, t)
-{
-  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
-}
-function md5_ff(a, b, c, d, x, s, t)
-{
-  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
-}
-function md5_gg(a, b, c, d, x, s, t)
-{
-  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
-}
-function md5_hh(a, b, c, d, x, s, t)
-{
-  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
-}
-function md5_ii(a, b, c, d, x, s, t)
-{
-  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
-}
-
-/*
- * Add integers, wrapping at 2^32. This uses 16-bit operations internally
- * to work around bugs in some JS interpreters.
- */
-function safe_add(x, y)
-{
-  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
-  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
-  return (msw << 16) | (lsw & 0xFFFF);
-}
-
-/*
- * Bitwise rotate a 32-bit number to the left.
- */
-function bit_rol(num, cnt)
-{
-  return (num << cnt) | (num >>> (32 - cnt));
-}
-
-module.exports = function md5(buf) {
-  return helpers.hash(buf, core_md5, 16);
-};
-},{"./helpers":51}],53:[function(require,module,exports){
-(function (Buffer){
-'use strict';
-var createHash = require('create-hash/browser');
-var inherits = require('inherits')
-
-var Transform = require('stream').Transform
-
-var ZEROS = new Buffer(128)
-ZEROS.fill(0)
-
-function Hmac(alg, key) {
-  Transform.call(this)
-  alg = alg.toLowerCase()
-  if (typeof key === 'string') {
-    key = new Buffer(key)
-  }
-
-  var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64
-
-  this._alg = alg
-  this._key = key
-
-  if (key.length > blocksize) {
-    key = createHash(alg).update(key).digest()
-
-  } else if (key.length < blocksize) {
-    key = Buffer.concat([key, ZEROS], blocksize)
-  }
-
-  var ipad = this._ipad = new Buffer(blocksize)
-  var opad = this._opad = new Buffer(blocksize)
-
-  for (var i = 0; i < blocksize; i++) {
-    ipad[i] = key[i] ^ 0x36
-    opad[i] = key[i] ^ 0x5C
-  }
-
-  this._hash = createHash(alg).update(ipad)
-}
-
-inherits(Hmac, Transform)
-
-Hmac.prototype.update = function (data, enc) {
-  this._hash.update(data, enc)
-
-  return this
-}
-
-Hmac.prototype._transform = function (data, _, next) {
-  this._hash.update(data)
-
-  next()
-}
-
-Hmac.prototype._flush = function (next) {
-  this.push(this.digest())
-
-  next()
-}
-
-Hmac.prototype.digest = function (enc) {
-  var h = this._hash.digest()
-
-  return createHash(this._alg).update(this._opad).update(h).digest(enc)
-}
-
-module.exports = function createHmac(alg, key) {
-  return new Hmac(alg, key)
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"create-hash/browser":50,"inherits":92,"stream":135}],54:[function(require,module,exports){
-'use strict'
-
-exports.randomBytes = exports.rng = exports.pseudoRandomBytes = exports.prng = require('randombytes')
-exports.createHash = exports.Hash = require('create-hash')
-exports.createHmac = exports.Hmac = require('create-hmac')
-
-var hashes = ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160'].concat(Object.keys(require('browserify-sign/algos')))
-exports.getHashes = function () {
-  return hashes
-}
-
-var p = require('pbkdf2')
-exports.pbkdf2 = p.pbkdf2
-exports.pbkdf2Sync = p.pbkdf2Sync
-
-var aes = require('browserify-cipher')
-;[
-  'Cipher',
-  'createCipher',
-  'Cipheriv',
-  'createCipheriv',
-  'Decipher',
-  'createDecipher',
-  'Decipheriv',
-  'createDecipheriv',
-  'getCiphers',
-  'listCiphers'
-].forEach(function (key) {
-  exports[key] = aes[key]
-})
-
-var dh = require('diffie-hellman')
-;[
-  'DiffieHellmanGroup',
-  'createDiffieHellmanGroup',
-  'getDiffieHellman',
-  'createDiffieHellman',
-  'DiffieHellman'
-].forEach(function (key) {
-  exports[key] = dh[key]
-})
-
-var sign = require('browserify-sign')
-;[
-  'createSign',
-  'Sign',
-  'createVerify',
-  'Verify'
-].forEach(function (key) {
-  exports[key] = sign[key]
-})
-
-exports.createECDH = require('create-ecdh')
-
-var publicEncrypt = require('public-encrypt')
-
-;[
-  'publicEncrypt',
-  'privateEncrypt',
-  'publicDecrypt',
-  'privateDecrypt'
-].forEach(function (key) {
-  exports[key] = publicEncrypt[key]
-})
-
-// the least I can do is make error messages for the rest of the node.js/crypto api.
-;[
-  'createCredentials'
-].forEach(function (name) {
-  exports[name] = function () {
-    throw new Error([
-      'sorry, ' + name + ' is not implemented yet',
-      'we accept pull requests',
-      'https://github.com/crypto-browserify/crypto-browserify'
-    ].join('\n'))
-  }
-})
-
-},{"browserify-cipher":35,"browserify-sign":40,"browserify-sign/algos":39,"create-ecdh":49,"create-hash":50,"create-hmac":53,"diffie-hellman":61,"pbkdf2":106,"public-encrypt":109,"randombytes":115}],55:[function(require,module,exports){
-'use strict';
-
-exports.utils = require('./des/utils');
-exports.Cipher = require('./des/cipher');
-exports.DES = require('./des/des');
-exports.CBC = require('./des/cbc');
-exports.EDE = require('./des/ede');
-
-},{"./des/cbc":56,"./des/cipher":57,"./des/des":58,"./des/ede":59,"./des/utils":60}],56:[function(require,module,exports){
-'use strict';
-
-var assert = require('minimalistic-assert');
-var inherits = require('inherits');
-
-var proto = {};
-
-function CBCState(iv) {
-  assert.equal(iv.length, 8, 'Invalid IV length');
-
-  this.iv = new Array(8);
-  for (var i = 0; i < this.iv.length; i++)
-    this.iv[i] = iv[i];
-}
-
-function instantiate(Base) {
-  function CBC(options) {
-    Base.call(this, options);
-    this._cbcInit();
-  }
-  inherits(CBC, Base);
-
-  var keys = Object.keys(proto);
-  for (var i = 0; i < keys.length; i++) {
-    var key = keys[i];
-    CBC.prototype[key] = proto[key];
-  }
-
-  CBC.create = function create(options) {
-    return new CBC(options);
-  };
-
-  return CBC;
-}
-
-exports.instantiate = instantiate;
-
-proto._cbcInit = function _cbcInit() {
-  var state = new CBCState(this.options.iv);
-  this._cbcState = state;
-};
-
-proto._update = function _update(inp, inOff, out, outOff) {
-  var state = this._cbcState;
-  var superProto = this.constructor.super_.prototype;
-
-  var iv = state.iv;
-  if (this.type === 'encrypt') {
-    for (var i = 0; i < this.blockSize; i++)
-      iv[i] ^= inp[inOff + i];
-
-    superProto._update.call(this, iv, 0, out, outOff);
-
-    for (var i = 0; i < this.blockSize; i++)
-      iv[i] = out[outOff + i];
-  } else {
-    superProto._update.call(this, inp, inOff, out, outOff);
-
-    for (var i = 0; i < this.blockSize; i++)
-      out[outOff + i] ^= iv[i];
-
-    for (var i = 0; i < this.blockSize; i++)
-      iv[i] = inp[inOff + i];
-  }
-};
-
-},{"inherits":92,"minimalistic-assert":99}],57:[function(require,module,exports){
-'use strict';
-
-var assert = require('minimalistic-assert');
-
-function Cipher(options) {
-  this.options = options;
-
-  this.type = this.options.type;
-  this.blockSize = 8;
-  this._init();
-
-  this.buffer = new Array(this.blockSize);
-  this.bufferOff = 0;
-}
-module.exports = Cipher;
-
-Cipher.prototype._init = function _init() {
-  // Might be overrided
-};
-
-Cipher.prototype.update = function update(data) {
-  if (data.length === 0)
-    return [];
-
-  if (this.type === 'decrypt')
-    return this._updateDecrypt(data);
-  else
-    return this._updateEncrypt(data);
-};
-
-Cipher.prototype._buffer = function _buffer(data, off) {
-  // Append data to buffer
-  var min = Math.min(this.buffer.length - this.bufferOff, data.length - off);
-  for (var i = 0; i < min; i++)
-    this.buffer[this.bufferOff + i] = data[off + i];
-  this.bufferOff += min;
-
-  // Shift next
-  return min;
-};
-
-Cipher.prototype._flushBuffer = function _flushBuffer(out, off) {
-  this._update(this.buffer, 0, out, off);
-  this.bufferOff = 0;
-  return this.blockSize;
-};
-
-Cipher.prototype._updateEncrypt = function _updateEncrypt(data) {
-  var inputOff = 0;
-  var outputOff = 0;
-
-  var count = ((this.bufferOff + data.length) / this.blockSize) | 0;
-  var out = new Array(count * this.blockSize);
-
-  if (this.bufferOff !== 0) {
-    inputOff += this._buffer(data, inputOff);
-
-    if (this.bufferOff === this.buffer.length)
-      outputOff += this._flushBuffer(out, outputOff);
-  }
-
-  // Write blocks
-  var max = data.length - ((data.length - inputOff) % this.blockSize);
-  for (; inputOff < max; inputOff += this.blockSize) {
-    this._update(data, inputOff, out, outputOff);
-    outputOff += this.blockSize;
-  }
-
-  // Queue rest
-  for (; inputOff < data.length; inputOff++, this.bufferOff++)
-    this.buffer[this.bufferOff] = data[inputOff];
-
-  return out;
-};
-
-Cipher.prototype._updateDecrypt = function _updateDecrypt(data) {
-  var inputOff = 0;
-  var outputOff = 0;
-
-  var count = Math.ceil((this.bufferOff + data.length) / this.blockSize) - 1;
-  var out = new Array(count * this.blockSize);
-
-  // TODO(indutny): optimize it, this is far from optimal
-  for (; count > 0; count--) {
-    inputOff += this._buffer(data, inputOff);
-    outputOff += this._flushBuffer(out, outputOff);
-  }
-
-  // Buffer rest of the input
-  inputOff += this._buffer(data, inputOff);
-
-  return out;
-};
-
-Cipher.prototype.final = function final(buffer) {
-  var first;
-  if (buffer)
-    first = this.update(buffer);
-
-  var last;
-  if (this.type === 'encrypt')
-    last = this._finalEncrypt();
-  else
-    last = this._finalDecrypt();
-
-  if (first)
-    return first.concat(last);
-  else
-    return last;
-};
-
-Cipher.prototype._pad = function _pad(buffer, off) {
-  if (off === 0)
-    return false;
-
-  while (off < buffer.length)
-    buffer[off++] = 0;
-
-  return true;
-};
-
-Cipher.prototype._finalEncrypt = function _finalEncrypt() {
-  if (!this._pad(this.buffer, this.bufferOff))
-    return [];
-
-  var out = new Array(this.blockSize);
-  this._update(this.buffer, 0, out, 0);
-  return out;
-};
-
-Cipher.prototype._unpad = function _unpad(buffer) {
-  return buffer;
-};
-
-Cipher.prototype._finalDecrypt = function _finalDecrypt() {
-  assert.equal(this.bufferOff, this.blockSize, 'Not enough data to decrypt');
-  var out = new Array(this.blockSize);
-  this._flushBuffer(out, 0);
-
-  return this._unpad(out);
-};
-
-},{"minimalistic-assert":99}],58:[function(require,module,exports){
-'use strict';
-
-var assert = require('minimalistic-assert');
-var inherits = require('inherits');
-
-var des = require('../des');
-var utils = des.utils;
-var Cipher = des.Cipher;
-
-function DESState() {
-  this.tmp = new Array(2);
-  this.keys = null;
-}
-
-function DES(options) {
-  Cipher.call(this, options);
-
-  var state = new DESState();
-  this._desState = state;
-
-  this.deriveKeys(state, options.key);
-}
-inherits(DES, Cipher);
-module.exports = DES;
-
-DES.create = function create(options) {
-  return new DES(options);
-};
-
-var shiftTable = [
-  1, 1, 2, 2, 2, 2, 2, 2,
-  1, 2, 2, 2, 2, 2, 2, 1
-];
-
-DES.prototype.deriveKeys = function deriveKeys(state, key) {
-  state.keys = new Array(16 * 2);
-
-  assert.equal(key.length, this.blockSize, 'Invalid key length');
-
-  var kL = utils.readUInt32BE(key, 0);
-  var kR = utils.readUInt32BE(key, 4);
-
-  utils.pc1(kL, kR, state.tmp, 0);
-  kL = state.tmp[0];
-  kR = state.tmp[1];
-  for (var i = 0; i < state.keys.length; i += 2) {
-    var shift = shiftTable[i >>> 1];
-    kL = utils.r28shl(kL, shift);
-    kR = utils.r28shl(kR, shift);
-    utils.pc2(kL, kR, state.keys, i);
-  }
-};
-
-DES.prototype._update = function _update(inp, inOff, out, outOff) {
-  var state = this._desState;
-
-  var l = utils.readUInt32BE(inp, inOff);
-  var r = utils.readUInt32BE(inp, inOff + 4);
-
-  // Initial Permutation
-  utils.ip(l, r, state.tmp, 0);
-  l = state.tmp[0];
-  r = state.tmp[1];
-
-  if (this.type === 'encrypt')
-    this._encrypt(state, l, r, state.tmp, 0);
-  else
-    this._decrypt(state, l, r, state.tmp, 0);
-
-  l = state.tmp[0];
-  r = state.tmp[1];
-
-  utils.writeUInt32BE(out, l, outOff);
-  utils.writeUInt32BE(out, r, outOff + 4);
-};
-
-DES.prototype._pad = function _pad(buffer, off) {
-  var value = buffer.length - off;
-  for (var i = off; i < buffer.length; i++)
-    buffer[i] = value;
-
-  return true;
-};
-
-DES.prototype._unpad = function _unpad(buffer) {
-  var pad = buffer[buffer.length - 1];
-  for (var i = buffer.length - pad; i < buffer.length; i++)
-    assert.equal(buffer[i], pad);
-
-  return buffer.slice(0, buffer.length - pad);
-};
-
-DES.prototype._encrypt = function _encrypt(state, lStart, rStart, out, off) {
-  var l = lStart;
-  var r = rStart;
-
-  // Apply f() x16 times
-  for (var i = 0; i < state.keys.length; i += 2) {
-    var keyL = state.keys[i];
-    var keyR = state.keys[i + 1];
-
-    // f(r, k)
-    utils.expand(r, state.tmp, 0);
-
-    keyL ^= state.tmp[0];
-    keyR ^= state.tmp[1];
-    var s = utils.substitute(keyL, keyR);
-    var f = utils.permute(s);
-
-    var t = r;
-    r = (l ^ f) >>> 0;
-    l = t;
-  }
-
-  // Reverse Initial Permutation
-  utils.rip(r, l, out, off);
-};
-
-DES.prototype._decrypt = function _decrypt(state, lStart, rStart, out, off) {
-  var l = rStart;
-  var r = lStart;
-
-  // Apply f() x16 times
-  for (var i = state.keys.length - 2; i >= 0; i -= 2) {
-    var keyL = state.keys[i];
-    var keyR = state.keys[i + 1];
-
-    // f(r, k)
-    utils.expand(l, state.tmp, 0);
-
-    keyL ^= state.tmp[0];
-    keyR ^= state.tmp[1];
-    var s = utils.substitute(keyL, keyR);
-    var f = utils.permute(s);
-
-    var t = l;
-    l = (r ^ f) >>> 0;
-    r = t;
-  }
-
-  // Reverse Initial Permutation
-  utils.rip(l, r, out, off);
-};
-
-},{"../des":55,"inherits":92,"minimalistic-assert":99}],59:[function(require,module,exports){
-'use strict';
-
-var assert = require('minimalistic-assert');
-var inherits = require('inherits');
-
-var des = require('../des');
-var Cipher = des.Cipher;
-var DES = des.DES;
-
-function EDEState(type, key) {
-  assert.equal(key.length, 24, 'Invalid key length');
-
-  var k1 = key.slice(0, 8);
-  var k2 = key.slice(8, 16);
-  var k3 = key.slice(16, 24);
-
-  if (type === 'encrypt') {
-    this.ciphers = [
-      DES.create({ type: 'encrypt', key: k1 }),
-      DES.create({ type: 'decrypt', key: k2 }),
-      DES.create({ type: 'encrypt', key: k3 })
-    ];
-  } else {
-    this.ciphers = [
-      DES.create({ type: 'decrypt', key: k3 }),
-      DES.create({ type: 'encrypt', key: k2 }),
-      DES.create({ type: 'decrypt', key: k1 })
-    ];
-  }
-}
-
-function EDE(options) {
-  Cipher.call(this, options);
-
-  var state = new EDEState(this.type, this.options.key);
-  this._edeState = state;
-}
-inherits(EDE, Cipher);
-
-module.exports = EDE;
-
-EDE.create = function create(options) {
-  return new EDE(options);
-};
-
-EDE.prototype._update = function _update(inp, inOff, out, outOff) {
-  var state = this._edeState;
-
-  state.ciphers[0]._update(inp, inOff, out, outOff);
-  state.ciphers[1]._update(out, outOff, out, outOff);
-  state.ciphers[2]._update(out, outOff, out, outOff);
-};
-
-EDE.prototype._pad = DES.prototype._pad;
-EDE.prototype._unpad = DES.prototype._unpad;
-
-},{"../des":55,"inherits":92,"minimalistic-assert":99}],60:[function(require,module,exports){
-'use strict';
-
-exports.readUInt32BE = function readUInt32BE(bytes, off) {
-  var res =  (bytes[0 + off] << 24) |
-             (bytes[1 + off] << 16) |
-             (bytes[2 + off] << 8) |
-             bytes[3 + off];
-  return res >>> 0;
-};
-
-exports.writeUInt32BE = function writeUInt32BE(bytes, value, off) {
-  bytes[0 + off] = value >>> 24;
-  bytes[1 + off] = (value >>> 16) & 0xff;
-  bytes[2 + off] = (value >>> 8) & 0xff;
-  bytes[3 + off] = value & 0xff;
-};
-
-exports.ip = function ip(inL, inR, out, off) {
-  var outL = 0;
-  var outR = 0;
-
-  for (var i = 6; i >= 0; i -= 2) {
-    for (var j = 0; j <= 24; j += 8) {
-      outL <<= 1;
-      outL |= (inR >>> (j + i)) & 1;
-    }
-    for (var j = 0; j <= 24; j += 8) {
-      outL <<= 1;
-      outL |= (inL >>> (j + i)) & 1;
-    }
-  }
-
-  for (var i = 6; i >= 0; i -= 2) {
-    for (var j = 1; j <= 25; j += 8) {
-      outR <<= 1;
-      outR |= (inR >>> (j + i)) & 1;
-    }
-    for (var j = 1; j <= 25; j += 8) {
-      outR <<= 1;
-      outR |= (inL >>> (j + i)) & 1;
-    }
-  }
-
-  out[off + 0] = outL >>> 0;
-  out[off + 1] = outR >>> 0;
-};
-
-exports.rip = function rip(inL, inR, out, off) {
-  var outL = 0;
-  var outR = 0;
-
-  for (var i = 0; i < 4; i++) {
-    for (var j = 24; j >= 0; j -= 8) {
-      outL <<= 1;
-      outL |= (inR >>> (j + i)) & 1;
-      outL <<= 1;
-      outL |= (inL >>> (j + i)) & 1;
-    }
-  }
-  for (var i = 4; i < 8; i++) {
-    for (var j = 24; j >= 0; j -= 8) {
-      outR <<= 1;
-      outR |= (inR >>> (j + i)) & 1;
-      outR <<= 1;
-      outR |= (inL >>> (j + i)) & 1;
-    }
-  }
-
-  out[off + 0] = outL >>> 0;
-  out[off + 1] = outR >>> 0;
-};
-
-exports.pc1 = function pc1(inL, inR, out, off) {
-  var outL = 0;
-  var outR = 0;
-
-  // 7, 15, 23, 31, 39, 47, 55, 63
-  // 6, 14, 22, 30, 39, 47, 55, 63
-  // 5, 13, 21, 29, 39, 47, 55, 63
-  // 4, 12, 20, 28
-  for (var i = 7; i >= 5; i--) {
-    for (var j = 0; j <= 24; j += 8) {
-      outL <<= 1;
-      outL |= (inR >> (j + i)) & 1;
-    }
-    for (var j = 0; j <= 24; j += 8) {
-      outL <<= 1;
-      outL |= (inL >> (j + i)) & 1;
-    }
-  }
-  for (var j = 0; j <= 24; j += 8) {
-    outL <<= 1;
-    outL |= (inR >> (j + i)) & 1;
-  }
-
-  // 1, 9, 17, 25, 33, 41, 49, 57
-  // 2, 10, 18, 26, 34, 42, 50, 58
-  // 3, 11, 19, 27, 35, 43, 51, 59
-  // 36, 44, 52, 60
-  for (var i = 1; i <= 3; i++) {
-    for (var j = 0; j <= 24; j += 8) {
-      outR <<= 1;
-      outR |= (inR >> (j + i)) & 1;
-    }
-    for (var j = 0; j <= 24; j += 8) {
-      outR <<= 1;
-      outR |= (inL >> (j + i)) & 1;
-    }
-  }
-  for (var j = 0; j <= 24; j += 8) {
-    outR <<= 1;
-    outR |= (inL >> (j + i)) & 1;
-  }
-
-  out[off + 0] = outL >>> 0;
-  out[off + 1] = outR >>> 0;
-};
-
-exports.r28shl = function r28shl(num, shift) {
-  return ((num << shift) & 0xfffffff) | (num >>> (28 - shift));
-};
-
-var pc2table = [
-  // inL => outL
-  14, 11, 17, 4, 27, 23, 25, 0,
-  13, 22, 7, 18, 5, 9, 16, 24,
-  2, 20, 12, 21, 1, 8, 15, 26,
-
-  // inR => outR
-  15, 4, 25, 19, 9, 1, 26, 16,
-  5, 11, 23, 8, 12, 7, 17, 0,
-  22, 3, 10, 14, 6, 20, 27, 24
-];
-
-exports.pc2 = function pc2(inL, inR, out, off) {
-  var outL = 0;
-  var outR = 0;
-
-  var len = pc2table.length >>> 1;
-  for (var i = 0; i < len; i++) {
-    outL <<= 1;
-    outL |= (inL >>> pc2table[i]) & 0x1;
-  }
-  for (var i = len; i < pc2table.length; i++) {
-    outR <<= 1;
-    outR |= (inR >>> pc2table[i]) & 0x1;
-  }
-
-  out[off + 0] = outL >>> 0;
-  out[off + 1] = outR >>> 0;
-};
-
-exports.expand = function expand(r, out, off) {
-  var outL = 0;
-  var outR = 0;
-
-  outL = ((r & 1) << 5) | (r >>> 27);
-  for (var i = 23; i >= 15; i -= 4) {
-    outL <<= 6;
-    outL |= (r >>> i) & 0x3f;
-  }
-  for (var i = 11; i >= 3; i -= 4) {
-    outR |= (r >>> i) & 0x3f;
-    outR <<= 6;
-  }
-  outR |= ((r & 0x1f) << 1) | (r >>> 31);
-
-  out[off + 0] = outL >>> 0;
-  out[off + 1] = outR >>> 0;
-};
-
-var sTable = [
-  14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1,
-  3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8,
-  4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7,
-  15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13,
-
-  15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14,
-  9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5,
-  0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2,
-  5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9,
-
-  10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10,
-  1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1,
-  13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7,
-  11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12,
-
-  7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3,
-  1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9,
-  10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8,
-  15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14,
-
-  2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1,
-  8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6,
-  4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13,
-  15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3,
-
-  12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5,
-  0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8,
-  9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10,
-  7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13,
-
-  4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10,
-  3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6,
-  1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7,
-  10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12,
-
-  13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4,
-  10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2,
-  7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13,
-  0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11
-];
-
-exports.substitute = function substitute(inL, inR) {
-  var out = 0;
-  for (var i = 0; i < 4; i++) {
-    var b = (inL >>> (18 - i * 6)) & 0x3f;
-    var sb = sTable[i * 0x40 + b];
-
-    out <<= 4;
-    out |= sb;
-  }
-  for (var i = 0; i < 4; i++) {
-    var b = (inR >>> (18 - i * 6)) & 0x3f;
-    var sb = sTable[4 * 0x40 + i * 0x40 + b];
-
-    out <<= 4;
-    out |= sb;
-  }
-  return out >>> 0;
-};
-
-var permuteTable = [
-  16, 25, 12, 11, 3, 20, 4, 15, 31, 17, 9, 6, 27, 14, 1, 22,
-  30, 24, 8, 18, 0, 5, 29, 23, 13, 19, 2, 26, 10, 21, 28, 7
-];
-
-exports.permute = function permute(num) {
-  var out = 0;
-  for (var i = 0; i < permuteTable.length; i++) {
-    out <<= 1;
-    out |= (num >>> permuteTable[i]) & 0x1;
-  }
-  return out >>> 0;
-};
-
-exports.padSplit = function padSplit(num, size, group) {
-  var str = num.toString(2);
-  while (str.length < size)
-    str = '0' + str;
-
-  var out = [];
-  for (var i = 0; i < size; i += group)
-    out.push(str.slice(i, i + group));
-  return out.join(' ');
-};
-
-},{}],61:[function(require,module,exports){
-(function (Buffer){
-var generatePrime = require('./lib/generatePrime');
-var primes = require('./lib/primes');
-
-var DH = require('./lib/dh');
-
-function getDiffieHellman(mod) {
-  var prime = new Buffer(primes[mod].prime, 'hex');
-  var gen = new Buffer(primes[mod].gen, 'hex');
-
-  return new DH(prime, gen);
-}
-
-function createDiffieHellman(prime, enc, generator, genc) {
-  if (Buffer.isBuffer(enc) || (typeof enc === 'string' && ['hex', 'binary', 'base64'].indexOf(enc) === -1)) {
-    genc = generator;
-    generator = enc;
-    enc = undefined;
-  }
-
-  enc = enc || 'binary';
-  genc = genc || 'binary';
-  generator = generator || new Buffer([2]);
-
-  if (!Buffer.isBuffer(generator)) {
-    generator = new Buffer(generator, genc);
-  }
-
-  if (typeof prime === 'number') {
-    return new DH(generatePrime(prime, generator), generator, true);
-  }
-
-  if (!Buffer.isBuffer(prime)) {
-    prime = new Buffer(prime, enc);
-  }
-
-  return new DH(prime, generator, true);
-}
-
-exports.DiffieHellmanGroup = exports.createDiffieHellmanGroup = exports.getDiffieHellman = getDiffieHellman;
-exports.createDiffieHellman = exports.DiffieHellman = createDiffieHellman;
-
-}).call(this,require("buffer").Buffer)
-},{"./lib/dh":62,"./lib/generatePrime":63,"./lib/primes":64,"buffer":46}],62:[function(require,module,exports){
-(function (Buffer){
-var BN = require('bn.js');
-var MillerRabin = require('miller-rabin');
-var millerRabin = new MillerRabin();
-var TWENTYFOUR = new BN(24);
-var ELEVEN = new BN(11);
-var TEN = new BN(10);
-var THREE = new BN(3);
-var SEVEN = new BN(7);
-var primes = require('./generatePrime');
-var randomBytes = require('randombytes');
-module.exports = DH;
-
-function setPublicKey(pub, enc) {
-  enc = enc || 'utf8';
-  if (!Buffer.isBuffer(pub)) {
-    pub = new Buffer(pub, enc);
-  }
-  this._pub = new BN(pub);
-  return this;
-}
-
-function setPrivateKey(priv, enc) {
-  enc = enc || 'utf8';
-  if (!Buffer.isBuffer(priv)) {
-    priv = new Buffer(priv, enc);
-  }
-  this._priv = new BN(priv);
-  return this;
-}
-
-var primeCache = {};
-function checkPrime(prime, generator) {
-  var gen = generator.toString('hex');
-  var hex = [gen, prime.toString(16)].join('_');
-  if (hex in primeCache) {
-    return primeCache[hex];
-  }
-  var error = 0;
-
-  if (prime.isEven() ||
-    !primes.simpleSieve ||
-    !primes.fermatTest(prime) ||
-    !millerRabin.test(prime)) {
-    //not a prime so +1
-    error += 1;
-
-    if (gen === '02' || gen === '05') {
-      // we'd be able to check the generator
-      // it would fail so +8
-      error += 8;
-    } else {
-      //we wouldn't be able to test the generator
-      // so +4
-      error += 4;
-    }
-    primeCache[hex] = error;
-    return error;
-  }
-  if (!millerRabin.test(prime.shrn(1))) {
-    //not a safe prime
-    error += 2;
-  }
-  var rem;
-  switch (gen) {
-    case '02':
-      if (prime.mod(TWENTYFOUR).cmp(ELEVEN)) {
-        // unsuidable generator
-        error += 8;
-      }
-      break;
-    case '05':
-      rem = prime.mod(TEN);
-      if (rem.cmp(THREE) && rem.cmp(SEVEN)) {
-        // prime mod 10 needs to equal 3 or 7
-        error += 8;
-      }
-      break;
-    default:
-      error += 4;
-  }
-  primeCache[hex] = error;
-  return error;
-}
-
-function DH(prime, generator, malleable) {
-  this.setGenerator(generator);
-  this.__prime = new BN(prime);
-  this._prime = BN.mont(this.__prime);
-  this._primeLen = prime.length;
-  this._pub = undefined;
-  this._priv = undefined;
-  this._primeCode = undefined;
-  if (malleable) {
-    this.setPublicKey = setPublicKey;
-    this.setPrivateKey = setPrivateKey;
-  } else {
-    this._primeCode = 8;
-  }
-}
-Object.defineProperty(DH.prototype, 'verifyError', {
-  enumerable: true,
-  get: function () {
-    if (typeof this._primeCode !== 'number') {
-      this._primeCode = checkPrime(this.__prime, this.__gen);
-    }
-    return this._primeCode;
-  }
-});
-DH.prototype.generateKeys = function () {
-  if (!this._priv) {
-    this._priv = new BN(randomBytes(this._primeLen));
-  }
-  this._pub = this._gen.toRed(this._prime).redPow(this._priv).fromRed();
-  return this.getPublicKey();
-};
-
-DH.prototype.computeSecret = function (other) {
-  other = new BN(other);
-  other = other.toRed(this._prime);
-  var secret = other.redPow(this._priv).fromRed();
-  var out = new Buffer(secret.toArray());
-  var prime = this.getPrime();
-  if (out.length < prime.length) {
-    var front = new Buffer(prime.length - out.length);
-    front.fill(0);
-    out = Buffer.concat([front, out]);
-  }
-  return out;
-};
-
-DH.prototype.getPublicKey = function getPublicKey(enc) {
-  return formatReturnValue(this._pub, enc);
-};
-
-DH.prototype.getPrivateKey = function getPrivateKey(enc) {
-  return formatReturnValue(this._priv, enc);
-};
-
-DH.prototype.getPrime = function (enc) {
-  return formatReturnValue(this.__prime, enc);
-};
-
-DH.prototype.getGenerator = function (enc) {
-  return formatReturnValue(this._gen, enc);
-};
-
-DH.prototype.setGenerator = function (gen, enc) {
-  enc = enc || 'utf8';
-  if (!Buffer.isBuffer(gen)) {
-    gen = new Buffer(gen, enc);
-  }
-  this.__gen = gen;
-  this._gen = new BN(gen);
-  return this;
-};
-
-function formatReturnValue(bn, enc) {
-  var buf = new Buffer(bn.toArray());
-  if (!enc) {
-    return buf;
-  } else {
-    return buf.toString(enc);
-  }
-}
-
-}).call(this,require("buffer").Buffer)
-},{"./generatePrime":63,"bn.js":17,"buffer":46,"miller-rabin":98,"randombytes":115}],63:[function(require,module,exports){
-var randomBytes = require('randombytes');
-module.exports = findPrime;
-findPrime.simpleSieve = simpleSieve;
-findPrime.fermatTest = fermatTest;
-var BN = require('bn.js');
-var TWENTYFOUR = new BN(24);
-var MillerRabin = require('miller-rabin');
-var millerRabin = new MillerRabin();
-var ONE = new BN(1);
-var TWO = new BN(2);
-var FIVE = new BN(5);
-var SIXTEEN = new BN(16);
-var EIGHT = new BN(8);
-var TEN = new BN(10);
-var THREE = new BN(3);
-var SEVEN = new BN(7);
-var ELEVEN = new BN(11);
-var FOUR = new BN(4);
-var TWELVE = new BN(12);
-var primes = null;
-
-function _getPrimes() {
-  if (primes !== null)
-    return primes;
-
-  var limit = 0x100000;
-  var res = [];
-  res[0] = 2;
-  for (var i = 1, k = 3; k < limit; k += 2) {
-    var sqrt = Math.ceil(Math.sqrt(k));
-    for (var j = 0; j < i && res[j] <= sqrt; j++)
-      if (k % res[j] === 0)
-        break;
-
-    if (i !== j && res[j] <= sqrt)
-      continue;
-
-    res[i++] = k;
-  }
-  primes = res;
-  return res;
-}
-
-function simpleSieve(p) {
-  var primes = _getPrimes();
-
-  for (var i = 0; i < primes.length; i++)
-    if (p.modn(primes[i]) === 0) {
-      if (p.cmpn(primes[i]) === 0) {
-        return true;
-      } else {
-        return false;
-      }
-    }
-
-  return true;
-}
-
-function fermatTest(p) {
-  var red = BN.mont(p);
-  return TWO.toRed(red).redPow(p.subn(1)).fromRed().cmpn(1) === 0;
-}
-
-function findPrime(bits, gen) {
-  if (bits < 16) {
-    // this is what openssl does
-    if (gen === 2 || gen === 5) {
-      return new BN([0x8c, 0x7b]);
-    } else {
-      return new BN([0x8c, 0x27]);
-    }
-  }
-  gen = new BN(gen);
-
-  var num, n2;
-
-  while (true) {
-    num = new BN(randomBytes(Math.ceil(bits / 8)));
-    while (num.bitLength() > bits) {
-      num.ishrn(1);
-    }
-    if (num.isEven()) {
-      num.iadd(ONE);
-    }
-    if (!num.testn(1)) {
-      num.iadd(TWO);
-    }
-    if (!gen.cmp(TWO)) {
-      while (num.mod(TWENTYFOUR).cmp(ELEVEN)) {
-        num.iadd(FOUR);
-      }
-    } else if (!gen.cmp(FIVE)) {
-      while (num.mod(TEN).cmp(THREE)) {
-        num.iadd(FOUR);
-      }
-    }
-    n2 = num.shrn(1);
-    if (simpleSieve(n2) && simpleSieve(num) &&
-      fermatTest(n2) && fermatTest(num) &&
-      millerRabin.test(n2) && millerRabin.test(num)) {
-      return num;
-    }
-  }
-
-}
-
-},{"bn.js":17,"miller-rabin":98,"randombytes":115}],64:[function(require,module,exports){
-module.exports={
-    "modp1": {
-        "gen": "02",
-        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff"
-    },
-    "modp2": {
-        "gen": "02",
-        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff"
-    },
-    "modp5": {
-        "gen": "02",
-        "prime": "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff"
-    },
-    "modp14": {
-        "gen": "02",
-        "prime": "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"
-    },
-    "modp15": {
-        "gen": "02",
-        "prime": "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"
-    },
-    "modp16": {
-        "gen": "02",
-        "prime": "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"
-    },
-    "modp17": {
-        "gen": "02",
-        "prime": "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"
-    },
-    "modp18": {
-        "gen": "02",
-        "prime": "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"
-    }
-}
-},{}],65:[function(require,module,exports){
-'use strict';
-
-var elliptic = exports;
-
-elliptic.version = require('../package.json').version;
-elliptic.utils = require('./elliptic/utils');
-elliptic.rand = require('brorand');
-elliptic.hmacDRBG = require('./elliptic/hmac-drbg');
-elliptic.curve = require('./elliptic/curve');
-elliptic.curves = require('./elliptic/curves');
-
-// Protocols
-elliptic.ec = require('./elliptic/ec');
-elliptic.eddsa = require('./elliptic/eddsa');
-
-},{"../package.json":81,"./elliptic/curve":68,"./elliptic/curves":71,"./elliptic/ec":72,"./elliptic/eddsa":75,"./elliptic/hmac-drbg":78,"./elliptic/utils":80,"brorand":18}],66:[function(require,module,exports){
-'use strict';
-
-var bn = require('bn.js');
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var getNAF = utils.getNAF;
-var getJSF = utils.getJSF;
-var assert = utils.assert;
-
-function BaseCurve(type, conf) {
-  this.type = type;
-  this.p = new bn(conf.p, 16);
-
-  // Use Montgomery, when there is no fast reduction for the prime
-  this.red = conf.prime ? bn.red(conf.prime) : bn.mont(this.p);
-
-  // Useful for many curves
-  this.zero = new bn(0).toRed(this.red);
-  this.one = new bn(1).toRed(this.red);
-  this.two = new bn(2).toRed(this.red);
-
-  // Curve configuration, optional
-  this.n = conf.n && new bn(conf.n, 16);
-  this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed);
-
-  // Temporary arrays
-  this._wnafT1 = new Array(4);
-  this._wnafT2 = new Array(4);
-  this._wnafT3 = new Array(4);
-  this._wnafT4 = new Array(4);
-}
-module.exports = BaseCurve;
-
-BaseCurve.prototype.point = function point() {
-  throw new Error('Not implemented');
-};
-
-BaseCurve.prototype.validate = function validate() {
-  throw new Error('Not implemented');
-};
-
-BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
-  assert(p.precomputed);
-  var doubles = p._getDoubles();
-
-  var naf = getNAF(k, 1);
-  var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1);
-  I /= 3;
-
-  // Translate into more windowed form
-  var repr = [];
-  for (var j = 0; j < naf.length; j += doubles.step) {
-    var nafW = 0;
-    for (var k = j + doubles.step - 1; k >= j; k--)
-      nafW = (nafW << 1) + naf[k];
-    repr.push(nafW);
-  }
-
-  var a = this.jpoint(null, null, null);
-  var b = this.jpoint(null, null, null);
-  for (var i = I; i > 0; i--) {
-    for (var j = 0; j < repr.length; j++) {
-      var nafW = repr[j];
-      if (nafW === i)
-        b = b.mixedAdd(doubles.points[j]);
-      else if (nafW === -i)
-        b = b.mixedAdd(doubles.points[j].neg());
-    }
-    a = a.add(b);
-  }
-  return a.toP();
-};
-
-BaseCurve.prototype._wnafMul = function _wnafMul(p, k) {
-  var w = 4;
-
-  // Precompute window
-  var nafPoints = p._getNAFPoints(w);
-  w = nafPoints.wnd;
-  var wnd = nafPoints.points;
-
-  // Get NAF form
-  var naf = getNAF(k, w);
-
-  // Add `this`*(N+1) for every w-NAF index
-  var acc = this.jpoint(null, null, null);
-  for (var i = naf.length - 1; i >= 0; i--) {
-    // Count zeroes
-    for (var k = 0; i >= 0 && naf[i] === 0; i--)
-      k++;
-    if (i >= 0)
-      k++;
-    acc = acc.dblp(k);
-
-    if (i < 0)
-      break;
-    var z = naf[i];
-    assert(z !== 0);
-    if (p.type === 'affine') {
-      // J +- P
-      if (z > 0)
-        acc = acc.mixedAdd(wnd[(z - 1) >> 1]);
-      else
-        acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg());
-    } else {
-      // J +- J
-      if (z > 0)
-        acc = acc.add(wnd[(z - 1) >> 1]);
-      else
-        acc = acc.add(wnd[(-z - 1) >> 1].neg());
-    }
-  }
-  return p.type === 'affine' ? acc.toP() : acc;
-};
-
-BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW,
-                                                       points,
-                                                       coeffs,
-                                                       len) {
-  var wndWidth = this._wnafT1;
-  var wnd = this._wnafT2;
-  var naf = this._wnafT3;
-
-  // Fill all arrays
-  var max = 0;
-  for (var i = 0; i < len; i++) {
-    var p = points[i];
-    var nafPoints = p._getNAFPoints(defW);
-    wndWidth[i] = nafPoints.wnd;
-    wnd[i] = nafPoints.points;
-  }
-
-  // Comb small window NAFs
-  for (var i = len - 1; i >= 1; i -= 2) {
-    var a = i - 1;
-    var b = i;
-    if (wndWidth[a] !== 1 || wndWidth[b] !== 1) {
-      naf[a] = getNAF(coeffs[a], wndWidth[a]);
-      naf[b] = getNAF(coeffs[b], wndWidth[b]);
-      max = Math.max(naf[a].length, max);
-      max = Math.max(naf[b].length, max);
-      continue;
-    }
-
-    var comb = [
-      points[a], /* 1 */
-      null, /* 3 */
-      null, /* 5 */
-      points[b] /* 7 */
-    ];
-
-    // Try to avoid Projective points, if possible
-    if (points[a].y.cmp(points[b].y) === 0) {
-      comb[1] = points[a].add(points[b]);
-      comb[2] = points[a].toJ().mixedAdd(points[b].neg());
-    } else if (points[a].y.cmp(points[b].y.redNeg()) === 0) {
-      comb[1] = points[a].toJ().mixedAdd(points[b]);
-      comb[2] = points[a].add(points[b].neg());
-    } else {
-      comb[1] = points[a].toJ().mixedAdd(points[b]);
-      comb[2] = points[a].toJ().mixedAdd(points[b].neg());
-    }
-
-    var index = [
-      -3, /* -1 -1 */
-      -1, /* -1 0 */
-      -5, /* -1 1 */
-      -7, /* 0 -1 */
-      0, /* 0 0 */
-      7, /* 0 1 */
-      5, /* 1 -1 */
-      1, /* 1 0 */
-      3  /* 1 1 */
-    ];
-
-    var jsf = getJSF(coeffs[a], coeffs[b]);
-    max = Math.max(jsf[0].length, max);
-    naf[a] = new Array(max);
-    naf[b] = new Array(max);
-    for (var j = 0; j < max; j++) {
-      var ja = jsf[0][j] | 0;
-      var jb = jsf[1][j] | 0;
-
-      naf[a][j] = index[(ja + 1) * 3 + (jb + 1)];
-      naf[b][j] = 0;
-      wnd[a] = comb;
-    }
-  }
-
-  var acc = this.jpoint(null, null, null);
-  var tmp = this._wnafT4;
-  for (var i = max; i >= 0; i--) {
-    var k = 0;
-
-    while (i >= 0) {
-      var zero = true;
-      for (var j = 0; j < len; j++) {
-        tmp[j] = naf[j][i] | 0;
-        if (tmp[j] !== 0)
-          zero = false;
-      }
-      if (!zero)
-        break;
-      k++;
-      i--;
-    }
-    if (i >= 0)
-      k++;
-    acc = acc.dblp(k);
-    if (i < 0)
-      break;
-
-    for (var j = 0; j < len; j++) {
-      var z = tmp[j];
-      var p;
-      if (z === 0)
-        continue;
-      else if (z > 0)
-        p = wnd[j][(z - 1) >> 1];
-      else if (z < 0)
-        p = wnd[j][(-z - 1) >> 1].neg();
-
-      if (p.type === 'affine')
-        acc = acc.mixedAdd(p);
-      else
-        acc = acc.add(p);
-    }
-  }
-  // Zeroify references
-  for (var i = 0; i < len; i++)
-    wnd[i] = null;
-  return acc.toP();
-};
-
-function BasePoint(curve, type) {
-  this.curve = curve;
-  this.type = type;
-  this.precomputed = null;
-}
-BaseCurve.BasePoint = BasePoint;
-
-BasePoint.prototype.eq = function eq(/*other*/) {
-  throw new Error('Not implemented');
-};
-
-BasePoint.prototype.validate = function validate() {
-  return this.curve.validate(this);
-};
-
-BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
-  bytes = utils.toArray(bytes, enc);
-
-  var len = this.p.byteLength();
-  if (bytes[0] === 0x04 && bytes.length - 1 === 2 * len) {
-    return this.point(bytes.slice(1, 1 + len),
-                      bytes.slice(1 + len, 1 + 2 * len));
-  } else if ((bytes[0] === 0x02 || bytes[0] === 0x03) &&
-              bytes.length - 1 === len) {
-    return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03);
-  }
-  throw new Error('Unknown point format');
-};
-
-BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) {
-  return this.encode(enc, true);
-};
-
-BasePoint.prototype._encode = function _encode(compact) {
-  var len = this.curve.p.byteLength();
-  var x = this.getX().toArray('be', len);
-
-  if (compact)
-    return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x);
-
-  return [ 0x04 ].concat(x, this.getY().toArray('be', len)) ;
-};
-
-BasePoint.prototype.encode = function encode(enc, compact) {
-  return utils.encode(this._encode(compact), enc);
-};
-
-BasePoint.prototype.precompute = function precompute(power) {
-  if (this.precomputed)
-    return this;
-
-  var precomputed = {
-    doubles: null,
-    naf: null,
-    beta: null
-  };
-  precomputed.naf = this._getNAFPoints(8);
-  precomputed.doubles = this._getDoubles(4, power);
-  precomputed.beta = this._getBeta();
-  this.precomputed = precomputed;
-
-  return this;
-};
-
-BasePoint.prototype._hasDoubles = function _hasDoubles(k) {
-  if (!this.precomputed)
-    return false;
-
-  var doubles = this.precomputed.doubles;
-  if (!doubles)
-    return false;
-
-  return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step);
-};
-
-BasePoint.prototype._getDoubles = function _getDoubles(step, power) {
-  if (this.precomputed && this.precomputed.doubles)
-    return this.precomputed.doubles;
-
-  var doubles = [ this ];
-  var acc = this;
-  for (var i = 0; i < power; i += step) {
-    for (var j = 0; j < step; j++)
-      acc = acc.dbl();
-    doubles.push(acc);
-  }
-  return {
-    step: step,
-    points: doubles
-  };
-};
-
-BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) {
-  if (this.precomputed && this.precomputed.naf)
-    return this.precomputed.naf;
-
-  var res = [ this ];
-  var max = (1 << wnd) - 1;
-  var dbl = max === 1 ? null : this.dbl();
-  for (var i = 1; i < max; i++)
-    res[i] = res[i - 1].add(dbl);
-  return {
-    wnd: wnd,
-    points: res
-  };
-};
-
-BasePoint.prototype._getBeta = function _getBeta() {
-  return null;
-};
-
-BasePoint.prototype.dblp = function dblp(k) {
-  var r = this;
-  for (var i = 0; i < k; i++)
-    r = r.dbl();
-  return r;
-};
-
-},{"../../elliptic":65,"bn.js":17}],67:[function(require,module,exports){
-'use strict';
-
-var curve = require('../curve');
-var elliptic = require('../../elliptic');
-var bn = require('bn.js');
-var inherits = require('inherits');
-var Base = curve.base;
-
-var assert = elliptic.utils.assert;
-
-function EdwardsCurve(conf) {
-  // NOTE: Important as we are creating point in Base.call()
-  this.twisted = (conf.a | 0) !== 1;
-  this.mOneA = this.twisted && (conf.a | 0) === -1;
-  this.extended = this.mOneA;
-
-  Base.call(this, 'edwards', conf);
-
-  this.a = new bn(conf.a, 16).umod(this.red.m);
-  this.a = this.a.toRed(this.red);
-  this.c = new bn(conf.c, 16).toRed(this.red);
-  this.c2 = this.c.redSqr();
-  this.d = new bn(conf.d, 16).toRed(this.red);
-  this.dd = this.d.redAdd(this.d);
-
-  assert(!this.twisted || this.c.fromRed().cmpn(1) === 0);
-  this.oneC = (conf.c | 0) === 1;
-}
-inherits(EdwardsCurve, Base);
-module.exports = EdwardsCurve;
-
-EdwardsCurve.prototype._mulA = function _mulA(num) {
-  if (this.mOneA)
-    return num.redNeg();
-  else
-    return this.a.redMul(num);
-};
-
-EdwardsCurve.prototype._mulC = function _mulC(num) {
-  if (this.oneC)
-    return num;
-  else
-    return this.c.redMul(num);
-};
-
-// Just for compatibility with Short curve
-EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) {
-  return this.point(x, y, z, t);
-};
-
-EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) {
-  x = new bn(x, 16);
-  if (!x.red)
-    x = x.toRed(this.red);
-
-  var x2 = x.redSqr();
-  var rhs = this.c2.redSub(this.a.redMul(x2));
-  var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2));
-
-  var y = rhs.redMul(lhs.redInvm()).redSqrt();
-  var isOdd = y.fromRed().isOdd();
-  if (odd && !isOdd || !odd && isOdd)
-    y = y.redNeg();
-
-  return this.point(x, y);
-};
-
-EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) {
-  y = new bn(y, 16);
-  if (!y.red)
-    y = y.toRed(this.red);
-
-  // x^2 = (y^2 - 1) / (d y^2 + 1)
-  var y2 = y.redSqr();
-  var lhs = y2.redSub(this.one);
-  var rhs = y2.redMul(this.d).redAdd(this.one);
-  var x2 = lhs.redMul(rhs.redInvm());
-
-  if (x2.cmp(this.zero) === 0) {
-    if (odd)
-      throw new Error('invalid point');
-    else
-      return this.point(this.zero, y);
-  }
-
-  var x = x2.redSqrt();
-  if (x.redSqr().redSub(x2).cmp(this.zero) !== 0)
-    throw new Error('invalid point');
-
-  if (x.isOdd() !== odd)
-    x = x.redNeg();
-
-  return this.point(x, y);
-};
-
-EdwardsCurve.prototype.validate = function validate(point) {
-  if (point.isInfinity())
-    return true;
-
-  // Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2)
-  point.normalize();
-
-  var x2 = point.x.redSqr();
-  var y2 = point.y.redSqr();
-  var lhs = x2.redMul(this.a).redAdd(y2);
-  var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));
-
-  return lhs.cmp(rhs) === 0;
-};
-
-function Point(curve, x, y, z, t) {
-  Base.BasePoint.call(this, curve, 'projective');
-  if (x === null && y === null && z === null) {
-    this.x = this.curve.zero;
-    this.y = this.curve.one;
-    this.z = this.curve.one;
-    this.t = this.curve.zero;
-    this.zOne = true;
-  } else {
-    this.x = new bn(x, 16);
-    this.y = new bn(y, 16);
-    this.z = z ? new bn(z, 16) : this.curve.one;
-    this.t = t && new bn(t, 16);
-    if (!this.x.red)
-      this.x = this.x.toRed(this.curve.red);
-    if (!this.y.red)
-      this.y = this.y.toRed(this.curve.red);
-    if (!this.z.red)
-      this.z = this.z.toRed(this.curve.red);
-    if (this.t && !this.t.red)
-      this.t = this.t.toRed(this.curve.red);
-    this.zOne = this.z === this.curve.one;
-
-    // Use extended coordinates
-    if (this.curve.extended && !this.t) {
-      this.t = this.x.redMul(this.y);
-      if (!this.zOne)
-        this.t = this.t.redMul(this.z.redInvm());
-    }
-  }
-}
-inherits(Point, Base.BasePoint);
-
-EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
-  return Point.fromJSON(this, obj);
-};
-
-EdwardsCurve.prototype.point = function point(x, y, z, t) {
-  return new Point(this, x, y, z, t);
-};
-
-Point.fromJSON = function fromJSON(curve, obj) {
-  return new Point(curve, obj[0], obj[1], obj[2]);
-};
-
-Point.prototype.inspect = function inspect() {
-  if (this.isInfinity())
-    return '<EC Point Infinity>';
-  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
-      ' y: ' + this.y.fromRed().toString(16, 2) +
-      ' z: ' + this.z.fromRed().toString(16, 2) + '>';
-};
-
-Point.prototype.isInfinity = function isInfinity() {
-  // XXX This code assumes that zero is always zero in red
-  return this.x.cmpn(0) === 0 &&
-         this.y.cmp(this.z) === 0;
-};
-
-Point.prototype._extDbl = function _extDbl() {
-  // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
-  //     #doubling-dbl-2008-hwcd
-  // 4M + 4S
-
-  // A = X1^2
-  var a = this.x.redSqr();
-  // B = Y1^2
-  var b = this.y.redSqr();
-  // C = 2 * Z1^2
-  var c = this.z.redSqr();
-  c = c.redIAdd(c);
-  // D = a * A
-  var d = this.curve._mulA(a);
-  // E = (X1 + Y1)^2 - A - B
-  var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b);
-  // G = D + B
-  var g = d.redAdd(b);
-  // F = G - C
-  var f = g.redSub(c);
-  // H = D - B
-  var h = d.redSub(b);
-  // X3 = E * F
-  var nx = e.redMul(f);
-  // Y3 = G * H
-  var ny = g.redMul(h);
-  // T3 = E * H
-  var nt = e.redMul(h);
-  // Z3 = F * G
-  var nz = f.redMul(g);
-  return this.curve.point(nx, ny, nz, nt);
-};
-
-Point.prototype._projDbl = function _projDbl() {
-  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
-  //     #doubling-dbl-2008-bbjlp
-  //     #doubling-dbl-2007-bl
-  // and others
-  // Generally 3M + 4S or 2M + 4S
-
-  // B = (X1 + Y1)^2
-  var b = this.x.redAdd(this.y).redSqr();
-  // C = X1^2
-  var c = this.x.redSqr();
-  // D = Y1^2
-  var d = this.y.redSqr();
-
-  var nx;
-  var ny;
-  var nz;
-  if (this.curve.twisted) {
-    // E = a * C
-    var e = this.curve._mulA(c);
-    // F = E + D
-    var f = e.redAdd(d);
-    if (this.zOne) {
-      // X3 = (B - C - D) * (F - 2)
-      nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two));
-      // Y3 = F * (E - D)
-      ny = f.redMul(e.redSub(d));
-      // Z3 = F^2 - 2 * F
-      nz = f.redSqr().redSub(f).redSub(f);
-    } else {
-      // H = Z1^2
-      var h = this.z.redSqr();
-      // J = F - 2 * H
-      var j = f.redSub(h).redISub(h);
-      // X3 = (B-C-D)*J
-      nx = b.redSub(c).redISub(d).redMul(j);
-      // Y3 = F * (E - D)
-      ny = f.redMul(e.redSub(d));
-      // Z3 = F * J
-      nz = f.redMul(j);
-    }
-  } else {
-    // E = C + D
-    var e = c.redAdd(d);
-    // H = (c * Z1)^2
-    var h = this.curve._mulC(this.c.redMul(this.z)).redSqr();
-    // J = E - 2 * H
-    var j = e.redSub(h).redSub(h);
-    // X3 = c * (B - E) * J
-    nx = this.curve._mulC(b.redISub(e)).redMul(j);
-    // Y3 = c * E * (C - D)
-    ny = this.curve._mulC(e).redMul(c.redISub(d));
-    // Z3 = E * J
-    nz = e.redMul(j);
-  }
-  return this.curve.point(nx, ny, nz);
-};
-
-Point.prototype.dbl = function dbl() {
-  if (this.isInfinity())
-    return this;
-
-  // Double in extended coordinates
-  if (this.curve.extended)
-    return this._extDbl();
-  else
-    return this._projDbl();
-};
-
-Point.prototype._extAdd = function _extAdd(p) {
-  // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
-  //     #addition-add-2008-hwcd-3
-  // 8M
-
-  // A = (Y1 - X1) * (Y2 - X2)
-  var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x));
-  // B = (Y1 + X1) * (Y2 + X2)
-  var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x));
-  // C = T1 * k * T2
-  var c = this.t.redMul(this.curve.dd).redMul(p.t);
-  // D = Z1 * 2 * Z2
-  var d = this.z.redMul(p.z.redAdd(p.z));
-  // E = B - A
-  var e = b.redSub(a);
-  // F = D - C
-  var f = d.redSub(c);
-  // G = D + C
-  var g = d.redAdd(c);
-  // H = B + A
-  var h = b.redAdd(a);
-  // X3 = E * F
-  var nx = e.redMul(f);
-  // Y3 = G * H
-  var ny = g.redMul(h);
-  // T3 = E * H
-  var nt = e.redMul(h);
-  // Z3 = F * G
-  var nz = f.redMul(g);
-  return this.curve.point(nx, ny, nz, nt);
-};
-
-Point.prototype._projAdd = function _projAdd(p) {
-  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
-  //     #addition-add-2008-bbjlp
-  //     #addition-add-2007-bl
-  // 10M + 1S
-
-  // A = Z1 * Z2
-  var a = this.z.redMul(p.z);
-  // B = A^2
-  var b = a.redSqr();
-  // C = X1 * X2
-  var c = this.x.redMul(p.x);
-  // D = Y1 * Y2
-  var d = this.y.redMul(p.y);
-  // E = d * C * D
-  var e = this.curve.d.redMul(c).redMul(d);
-  // F = B - E
-  var f = b.redSub(e);
-  // G = B + E
-  var g = b.redAdd(e);
-  // X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D)
-  var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d);
-  var nx = a.redMul(f).redMul(tmp);
-  var ny;
-  var nz;
-  if (this.curve.twisted) {
-    // Y3 = A * G * (D - a * C)
-    ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c)));
-    // Z3 = F * G
-    nz = f.redMul(g);
-  } else {
-    // Y3 = A * G * (D - C)
-    ny = a.redMul(g).redMul(d.redSub(c));
-    // Z3 = c * F * G
-    nz = this.curve._mulC(f).redMul(g);
-  }
-  return this.curve.point(nx, ny, nz);
-};
-
-Point.prototype.add = function add(p) {
-  if (this.isInfinity())
-    return p;
-  if (p.isInfinity())
-    return this;
-
-  if (this.curve.extended)
-    return this._extAdd(p);
-  else
-    return this._projAdd(p);
-};
-
-Point.prototype.mul = function mul(k) {
-  if (this._hasDoubles(k))
-    return this.curve._fixedNafMul(this, k);
-  else
-    return this.curve._wnafMul(this, k);
-};
-
-Point.prototype.mulAdd = function mulAdd(k1, p, k2) {
-  return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2);
-};
-
-Point.prototype.normalize = function normalize() {
-  if (this.zOne)
-    return this;
-
-  // Normalize coordinates
-  var zi = this.z.redInvm();
-  this.x = this.x.redMul(zi);
-  this.y = this.y.redMul(zi);
-  if (this.t)
-    this.t = this.t.redMul(zi);
-  this.z = this.curve.one;
-  this.zOne = true;
-  return this;
-};
-
-Point.prototype.neg = function neg() {
-  return this.curve.point(this.x.redNeg(),
-                          this.y,
-                          this.z,
-                          this.t && this.t.redNeg());
-};
-
-Point.prototype.getX = function getX() {
-  this.normalize();
-  return this.x.fromRed();
-};
-
-Point.prototype.getY = function getY() {
-  this.normalize();
-  return this.y.fromRed();
-};
-
-Point.prototype.eq = function eq(other) {
-  return this === other ||
-         this.getX().cmp(other.getX()) === 0 &&
-         this.getY().cmp(other.getY()) === 0;
-};
-
-// Compatibility with BaseCurve
-Point.prototype.toP = Point.prototype.normalize;
-Point.prototype.mixedAdd = Point.prototype.add;
-
-},{"../../elliptic":65,"../curve":68,"bn.js":17,"inherits":92}],68:[function(require,module,exports){
-'use strict';
-
-var curve = exports;
-
-curve.base = require('./base');
-curve.short = require('./short');
-curve.mont = require('./mont');
-curve.edwards = require('./edwards');
-
-},{"./base":66,"./edwards":67,"./mont":69,"./short":70}],69:[function(require,module,exports){
-'use strict';
-
-var curve = require('../curve');
-var bn = require('bn.js');
-var inherits = require('inherits');
-var Base = curve.base;
-
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-
-function MontCurve(conf) {
-  Base.call(this, 'mont', conf);
-
-  this.a = new bn(conf.a, 16).toRed(this.red);
-  this.b = new bn(conf.b, 16).toRed(this.red);
-  this.i4 = new bn(4).toRed(this.red).redInvm();
-  this.two = new bn(2).toRed(this.red);
-  this.a24 = this.i4.redMul(this.a.redAdd(this.two));
-}
-inherits(MontCurve, Base);
-module.exports = MontCurve;
-
-MontCurve.prototype.validate = function validate(point) {
-  var x = point.normalize().x;
-  var x2 = x.redSqr();
-  var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);
-  var y = rhs.redSqrt();
-
-  return y.redSqr().cmp(rhs) === 0;
-};
-
-function Point(curve, x, z) {
-  Base.BasePoint.call(this, curve, 'projective');
-  if (x === null && z === null) {
-    this.x = this.curve.one;
-    this.z = this.curve.zero;
-  } else {
-    this.x = new bn(x, 16);
-    this.z = new bn(z, 16);
-    if (!this.x.red)
-      this.x = this.x.toRed(this.curve.red);
-    if (!this.z.red)
-      this.z = this.z.toRed(this.curve.red);
-  }
-}
-inherits(Point, Base.BasePoint);
-
-MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
-  return this.point(utils.toArray(bytes, enc), 1);
-};
-
-MontCurve.prototype.point = function point(x, z) {
-  return new Point(this, x, z);
-};
-
-MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
-  return Point.fromJSON(this, obj);
-};
-
-Point.prototype.precompute = function precompute() {
-  // No-op
-};
-
-Point.prototype._encode = function _encode() {
-  return this.getX().toArray('be', this.curve.p.byteLength());
-};
-
-Point.fromJSON = function fromJSON(curve, obj) {
-  return new Point(curve, obj[0], obj[1] || curve.one);
-};
-
-Point.prototype.inspect = function inspect() {
-  if (this.isInfinity())
-    return '<EC Point Infinity>';
-  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
-      ' z: ' + this.z.fromRed().toString(16, 2) + '>';
-};
-
-Point.prototype.isInfinity = function isInfinity() {
-  // XXX This code assumes that zero is always zero in red
-  return this.z.cmpn(0) === 0;
-};
-
-Point.prototype.dbl = function dbl() {
-  // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3
-  // 2M + 2S + 4A
-
-  // A = X1 + Z1
-  var a = this.x.redAdd(this.z);
-  // AA = A^2
-  var aa = a.redSqr();
-  // B = X1 - Z1
-  var b = this.x.redSub(this.z);
-  // BB = B^2
-  var bb = b.redSqr();
-  // C = AA - BB
-  var c = aa.redSub(bb);
-  // X3 = AA * BB
-  var nx = aa.redMul(bb);
-  // Z3 = C * (BB + A24 * C)
-  var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c)));
-  return this.curve.point(nx, nz);
-};
-
-Point.prototype.add = function add() {
-  throw new Error('Not supported on Montgomery curve');
-};
-
-Point.prototype.diffAdd = function diffAdd(p, diff) {
-  // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3
-  // 4M + 2S + 6A
-
-  // A = X2 + Z2
-  var a = this.x.redAdd(this.z);
-  // B = X2 - Z2
-  var b = this.x.redSub(this.z);
-  // C = X3 + Z3
-  var c = p.x.redAdd(p.z);
-  // D = X3 - Z3
-  var d = p.x.redSub(p.z);
-  // DA = D * A
-  var da = d.redMul(a);
-  // CB = C * B
-  var cb = c.redMul(b);
-  // X5 = Z1 * (DA + CB)^2
-  var nx = diff.z.redMul(da.redAdd(cb).redSqr());
-  // Z5 = X1 * (DA - CB)^2
-  var nz = diff.x.redMul(da.redISub(cb).redSqr());
-  return this.curve.point(nx, nz);
-};
-
-Point.prototype.mul = function mul(k) {
-  var t = k.clone();
-  var a = this; // (N / 2) * Q + Q
-  var b = this.curve.point(null, null); // (N / 2) * Q
-  var c = this; // Q
-
-  for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1))
-    bits.push(t.andln(1));
-
-  for (var i = bits.length - 1; i >= 0; i--) {
-    if (bits[i] === 0) {
-      // N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q
-      a = a.diffAdd(b, c);
-      // N * Q = 2 * ((N / 2) * Q + Q))
-      b = b.dbl();
-    } else {
-      // N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q)
-      b = a.diffAdd(b, c);
-      // N * Q + Q = 2 * ((N / 2) * Q + Q)
-      a = a.dbl();
-    }
-  }
-  return b;
-};
-
-Point.prototype.mulAdd = function mulAdd() {
-  throw new Error('Not supported on Montgomery curve');
-};
-
-Point.prototype.eq = function eq(other) {
-  return this.getX().cmp(other.getX()) === 0;
-};
-
-Point.prototype.normalize = function normalize() {
-  this.x = this.x.redMul(this.z.redInvm());
-  this.z = this.curve.one;
-  return this;
-};
-
-Point.prototype.getX = function getX() {
-  // Normalize coordinates
-  this.normalize();
-
-  return this.x.fromRed();
-};
-
-},{"../../elliptic":65,"../curve":68,"bn.js":17,"inherits":92}],70:[function(require,module,exports){
-'use strict';
-
-var curve = require('../curve');
-var elliptic = require('../../elliptic');
-var bn = require('bn.js');
-var inherits = require('inherits');
-var Base = curve.base;
-
-var assert = elliptic.utils.assert;
-
-function ShortCurve(conf) {
-  Base.call(this, 'short', conf);
-
-  this.a = new bn(conf.a, 16).toRed(this.red);
-  this.b = new bn(conf.b, 16).toRed(this.red);
-  this.tinv = this.two.redInvm();
-
-  this.zeroA = this.a.fromRed().cmpn(0) === 0;
-  this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0;
-
-  // If the curve is endomorphic, precalculate beta and lambda
-  this.endo = this._getEndomorphism(conf);
-  this._endoWnafT1 = new Array(4);
-  this._endoWnafT2 = new Array(4);
-}
-inherits(ShortCurve, Base);
-module.exports = ShortCurve;
-
-ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) {
-  // No efficient endomorphism
-  if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1)
-    return;
-
-  // Compute beta and lambda, that lambda * P = (beta * Px; Py)
-  var beta;
-  var lambda;
-  if (conf.beta) {
-    beta = new bn(conf.beta, 16).toRed(this.red);
-  } else {
-    var betas = this._getEndoRoots(this.p);
-    // Choose the smallest beta
-    beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1];
-    beta = beta.toRed(this.red);
-  }
-  if (conf.lambda) {
-    lambda = new bn(conf.lambda, 16);
-  } else {
-    // Choose the lambda that is matching selected beta
-    var lambdas = this._getEndoRoots(this.n);
-    if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) {
-      lambda = lambdas[0];
-    } else {
-      lambda = lambdas[1];
-      assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0);
-    }
-  }
-
-  // Get basis vectors, used for balanced length-two representation
-  var basis;
-  if (conf.basis) {
-    basis = conf.basis.map(function(vec) {
-      return {
-        a: new bn(vec.a, 16),
-        b: new bn(vec.b, 16)
-      };
-    });
-  } else {
-    basis = this._getEndoBasis(lambda);
-  }
-
-  return {
-    beta: beta,
-    lambda: lambda,
-    basis: basis
-  };
-};
-
-ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) {
-  // Find roots of for x^2 + x + 1 in F
-  // Root = (-1 +- Sqrt(-3)) / 2
-  //
-  var red = num === this.p ? this.red : bn.mont(num);
-  var tinv = new bn(2).toRed(red).redInvm();
-  var ntinv = tinv.redNeg();
-
-  var s = new bn(3).toRed(red).redNeg().redSqrt().redMul(tinv);
-
-  var l1 = ntinv.redAdd(s).fromRed();
-  var l2 = ntinv.redSub(s).fromRed();
-  return [ l1, l2 ];
-};
-
-ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) {
-  // aprxSqrt >= sqrt(this.n)
-  var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2));
-
-  // 3.74
-  // Run EGCD, until r(L + 1) < aprxSqrt
-  var u = lambda;
-  var v = this.n.clone();
-  var x1 = new bn(1);
-  var y1 = new bn(0);
-  var x2 = new bn(0);
-  var y2 = new bn(1);
-
-  // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n)
-  var a0;
-  var b0;
-  // First vector
-  var a1;
-  var b1;
-  // Second vector
-  var a2;
-  var b2;
-
-  var prevR;
-  var i = 0;
-  var r;
-  var x;
-  while (u.cmpn(0) !== 0) {
-    var q = v.div(u);
-    r = v.sub(q.mul(u));
-    x = x2.sub(q.mul(x1));
-    var y = y2.sub(q.mul(y1));
-
-    if (!a1 && r.cmp(aprxSqrt) < 0) {
-      a0 = prevR.neg();
-      b0 = x1;
-      a1 = r.neg();
-      b1 = x;
-    } else if (a1 && ++i === 2) {
-      break;
-    }
-    prevR = r;
-
-    v = u;
-    u = r;
-    x2 = x1;
-    x1 = x;
-    y2 = y1;
-    y1 = y;
-  }
-  a2 = r.neg();
-  b2 = x;
-
-  var len1 = a1.sqr().add(b1.sqr());
-  var len2 = a2.sqr().add(b2.sqr());
-  if (len2.cmp(len1) >= 0) {
-    a2 = a0;
-    b2 = b0;
-  }
-
-  // Normalize signs
-  if (a1.negative) {
-    a1 = a1.neg();
-    b1 = b1.neg();
-  }
-  if (a2.negative) {
-    a2 = a2.neg();
-    b2 = b2.neg();
-  }
-
-  return [
-    { a: a1, b: b1 },
-    { a: a2, b: b2 }
-  ];
-};
-
-ShortCurve.prototype._endoSplit = function _endoSplit(k) {
-  var basis = this.endo.basis;
-  var v1 = basis[0];
-  var v2 = basis[1];
-
-  var c1 = v2.b.mul(k).divRound(this.n);
-  var c2 = v1.b.neg().mul(k).divRound(this.n);
-
-  var p1 = c1.mul(v1.a);
-  var p2 = c2.mul(v2.a);
-  var q1 = c1.mul(v1.b);
-  var q2 = c2.mul(v2.b);
-
-  // Calculate answer
-  var k1 = k.sub(p1).sub(p2);
-  var k2 = q1.add(q2).neg();
-  return { k1: k1, k2: k2 };
-};
-
-ShortCurve.prototype.pointFromX = function pointFromX(x, odd) {
-  x = new bn(x, 16);
-  if (!x.red)
-    x = x.toRed(this.red);
-
-  var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b);
-  var y = y2.redSqrt();
-
-  // XXX Is there any way to tell if the number is odd without converting it
-  // to non-red form?
-  var isOdd = y.fromRed().isOdd();
-  if (odd && !isOdd || !odd && isOdd)
-    y = y.redNeg();
-
-  return this.point(x, y);
-};
-
-ShortCurve.prototype.validate = function validate(point) {
-  if (point.inf)
-    return true;
-
-  var x = point.x;
-  var y = point.y;
-
-  var ax = this.a.redMul(x);
-  var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);
-  return y.redSqr().redISub(rhs).cmpn(0) === 0;
-};
-
-ShortCurve.prototype._endoWnafMulAdd =
-    function _endoWnafMulAdd(points, coeffs) {
-  var npoints = this._endoWnafT1;
-  var ncoeffs = this._endoWnafT2;
-  for (var i = 0; i < points.length; i++) {
-    var split = this._endoSplit(coeffs[i]);
-    var p = points[i];
-    var beta = p._getBeta();
-
-    if (split.k1.negative) {
-      split.k1.ineg();
-      p = p.neg(true);
-    }
-    if (split.k2.negative) {
-      split.k2.ineg();
-      beta = beta.neg(true);
-    }
-
-    npoints[i * 2] = p;
-    npoints[i * 2 + 1] = beta;
-    ncoeffs[i * 2] = split.k1;
-    ncoeffs[i * 2 + 1] = split.k2;
-  }
-  var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2);
-
-  // Clean-up references to points and coefficients
-  for (var j = 0; j < i * 2; j++) {
-    npoints[j] = null;
-    ncoeffs[j] = null;
-  }
-  return res;
-};
-
-function Point(curve, x, y, isRed) {
-  Base.BasePoint.call(this, curve, 'affine');
-  if (x === null && y === null) {
-    this.x = null;
-    this.y = null;
-    this.inf = true;
-  } else {
-    this.x = new bn(x, 16);
-    this.y = new bn(y, 16);
-    // Force redgomery representation when loading from JSON
-    if (isRed) {
-      this.x.forceRed(this.curve.red);
-      this.y.forceRed(this.curve.red);
-    }
-    if (!this.x.red)
-      this.x = this.x.toRed(this.curve.red);
-    if (!this.y.red)
-      this.y = this.y.toRed(this.curve.red);
-    this.inf = false;
-  }
-}
-inherits(Point, Base.BasePoint);
-
-ShortCurve.prototype.point = function point(x, y, isRed) {
-  return new Point(this, x, y, isRed);
-};
-
-ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) {
-  return Point.fromJSON(this, obj, red);
-};
-
-Point.prototype._getBeta = function _getBeta() {
-  if (!this.curve.endo)
-    return;
-
-  var pre = this.precomputed;
-  if (pre && pre.beta)
-    return pre.beta;
-
-  var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y);
-  if (pre) {
-    var curve = this.curve;
-    var endoMul = function(p) {
-      return curve.point(p.x.redMul(curve.endo.beta), p.y);
-    };
-    pre.beta = beta;
-    beta.precomputed = {
-      beta: null,
-      naf: pre.naf && {
-        wnd: pre.naf.wnd,
-        points: pre.naf.points.map(endoMul)
-      },
-      doubles: pre.doubles && {
-        step: pre.doubles.step,
-        points: pre.doubles.points.map(endoMul)
-      }
-    };
-  }
-  return beta;
-};
-
-Point.prototype.toJSON = function toJSON() {
-  if (!this.precomputed)
-    return [ this.x, this.y ];
-
-  return [ this.x, this.y, this.precomputed && {
-    doubles: this.precomputed.doubles && {
-      step: this.precomputed.doubles.step,
-      points: this.precomputed.doubles.points.slice(1)
-    },
-    naf: this.precomputed.naf && {
-      wnd: this.precomputed.naf.wnd,
-      points: this.precomputed.naf.points.slice(1)
-    }
-  } ];
-};
-
-Point.fromJSON = function fromJSON(curve, obj, red) {
-  if (typeof obj === 'string')
-    obj = JSON.parse(obj);
-  var res = curve.point(obj[0], obj[1], red);
-  if (!obj[2])
-    return res;
-
-  function obj2point(obj) {
-    return curve.point(obj[0], obj[1], red);
-  }
-
-  var pre = obj[2];
-  res.precomputed = {
-    beta: null,
-    doubles: pre.doubles && {
-      step: pre.doubles.step,
-      points: [ res ].concat(pre.doubles.points.map(obj2point))
-    },
-    naf: pre.naf && {
-      wnd: pre.naf.wnd,
-      points: [ res ].concat(pre.naf.points.map(obj2point))
-    }
-  };
-  return res;
-};
-
-Point.prototype.inspect = function inspect() {
-  if (this.isInfinity())
-    return '<EC Point Infinity>';
-  return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
-      ' y: ' + this.y.fromRed().toString(16, 2) + '>';
-};
-
-Point.prototype.isInfinity = function isInfinity() {
-  return this.inf;
-};
-
-Point.prototype.add = function add(p) {
-  // O + P = P
-  if (this.inf)
-    return p;
-
-  // P + O = P
-  if (p.inf)
-    return this;
-
-  // P + P = 2P
-  if (this.eq(p))
-    return this.dbl();
-
-  // P + (-P) = O
-  if (this.neg().eq(p))
-    return this.curve.point(null, null);
-
-  // P + Q = O
-  if (this.x.cmp(p.x) === 0)
-    return this.curve.point(null, null);
-
-  var c = this.y.redSub(p.y);
-  if (c.cmpn(0) !== 0)
-    c = c.redMul(this.x.redSub(p.x).redInvm());
-  var nx = c.redSqr().redISub(this.x).redISub(p.x);
-  var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
-  return this.curve.point(nx, ny);
-};
-
-Point.prototype.dbl = function dbl() {
-  if (this.inf)
-    return this;
-
-  // 2P = O
-  var ys1 = this.y.redAdd(this.y);
-  if (ys1.cmpn(0) === 0)
-    return this.curve.point(null, null);
-
-  var a = this.curve.a;
-
-  var x2 = this.x.redSqr();
-  var dyinv = ys1.redInvm();
-  var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv);
-
-  var nx = c.redSqr().redISub(this.x.redAdd(this.x));
-  var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
-  return this.curve.point(nx, ny);
-};
-
-Point.prototype.getX = function getX() {
-  return this.x.fromRed();
-};
-
-Point.prototype.getY = function getY() {
-  return this.y.fromRed();
-};
-
-Point.prototype.mul = function mul(k) {
-  k = new bn(k, 16);
-
-  if (this._hasDoubles(k))
-    return this.curve._fixedNafMul(this, k);
-  else if (this.curve.endo)
-    return this.curve._endoWnafMulAdd([ this ], [ k ]);
-  else
-    return this.curve._wnafMul(this, k);
-};
-
-Point.prototype.mulAdd = function mulAdd(k1, p2, k2) {
-  var points = [ this, p2 ];
-  var coeffs = [ k1, k2 ];
-  if (this.curve.endo)
-    return this.curve._endoWnafMulAdd(points, coeffs);
-  else
-    return this.curve._wnafMulAdd(1, points, coeffs, 2);
-};
-
-Point.prototype.eq = function eq(p) {
-  return this === p ||
-         this.inf === p.inf &&
-             (this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0);
-};
-
-Point.prototype.neg = function neg(_precompute) {
-  if (this.inf)
-    return this;
-
-  var res = this.curve.point(this.x, this.y.redNeg());
-  if (_precompute && this.precomputed) {
-    var pre = this.precomputed;
-    var negate = function(p) {
-      return p.neg();
-    };
-    res.precomputed = {
-      naf: pre.naf && {
-        wnd: pre.naf.wnd,
-        points: pre.naf.points.map(negate)
-      },
-      doubles: pre.doubles && {
-        step: pre.doubles.step,
-        points: pre.doubles.points.map(negate)
-      }
-    };
-  }
-  return res;
-};
-
-Point.prototype.toJ = function toJ() {
-  if (this.inf)
-    return this.curve.jpoint(null, null, null);
-
-  var res = this.curve.jpoint(this.x, this.y, this.curve.one);
-  return res;
-};
-
-function JPoint(curve, x, y, z) {
-  Base.BasePoint.call(this, curve, 'jacobian');
-  if (x === null && y === null && z === null) {
-    this.x = this.curve.one;
-    this.y = this.curve.one;
-    this.z = new bn(0);
-  } else {
-    this.x = new bn(x, 16);
-    this.y = new bn(y, 16);
-    this.z = new bn(z, 16);
-  }
-  if (!this.x.red)
-    this.x = this.x.toRed(this.curve.red);
-  if (!this.y.red)
-    this.y = this.y.toRed(this.curve.red);
-  if (!this.z.red)
-    this.z = this.z.toRed(this.curve.red);
-
-  this.zOne = this.z === this.curve.one;
-}
-inherits(JPoint, Base.BasePoint);
-
-ShortCurve.prototype.jpoint = function jpoint(x, y, z) {
-  return new JPoint(this, x, y, z);
-};
-
-JPoint.prototype.toP = function toP() {
-  if (this.isInfinity())
-    return this.curve.point(null, null);
-
-  var zinv = this.z.redInvm();
-  var zinv2 = zinv.redSqr();
-  var ax = this.x.redMul(zinv2);
-  var ay = this.y.redMul(zinv2).redMul(zinv);
-
-  return this.curve.point(ax, ay);
-};
-
-JPoint.prototype.neg = function neg() {
-  return this.curve.jpoint(this.x, this.y.redNeg(), this.z);
-};
-
-JPoint.prototype.add = function add(p) {
-  // O + P = P
-  if (this.isInfinity())
-    return p;
-
-  // P + O = P
-  if (p.isInfinity())
-    return this;
-
-  // 12M + 4S + 7A
-  var pz2 = p.z.redSqr();
-  var z2 = this.z.redSqr();
-  var u1 = this.x.redMul(pz2);
-  var u2 = p.x.redMul(z2);
-  var s1 = this.y.redMul(pz2.redMul(p.z));
-  var s2 = p.y.redMul(z2.redMul(this.z));
-
-  var h = u1.redSub(u2);
-  var r = s1.redSub(s2);
-  if (h.cmpn(0) === 0) {
-    if (r.cmpn(0) !== 0)
-      return this.curve.jpoint(null, null, null);
-    else
-      return this.dbl();
-  }
-
-  var h2 = h.redSqr();
-  var h3 = h2.redMul(h);
-  var v = u1.redMul(h2);
-
-  var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
-  var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
-  var nz = this.z.redMul(p.z).redMul(h);
-
-  return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype.mixedAdd = function mixedAdd(p) {
-  // O + P = P
-  if (this.isInfinity())
-    return p.toJ();
-
-  // P + O = P
-  if (p.isInfinity())
-    return this;
-
-  // 8M + 3S + 7A
-  var z2 = this.z.redSqr();
-  var u1 = this.x;
-  var u2 = p.x.redMul(z2);
-  var s1 = this.y;
-  var s2 = p.y.redMul(z2).redMul(this.z);
-
-  var h = u1.redSub(u2);
-  var r = s1.redSub(s2);
-  if (h.cmpn(0) === 0) {
-    if (r.cmpn(0) !== 0)
-      return this.curve.jpoint(null, null, null);
-    else
-      return this.dbl();
-  }
-
-  var h2 = h.redSqr();
-  var h3 = h2.redMul(h);
-  var v = u1.redMul(h2);
-
-  var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
-  var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
-  var nz = this.z.redMul(h);
-
-  return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype.dblp = function dblp(pow) {
-  if (pow === 0)
-    return this;
-  if (this.isInfinity())
-    return this;
-  if (!pow)
-    return this.dbl();
-
-  if (this.curve.zeroA || this.curve.threeA) {
-    var r = this;
-    for (var i = 0; i < pow; i++)
-      r = r.dbl();
-    return r;
-  }
-
-  // 1M + 2S + 1A + N * (4S + 5M + 8A)
-  // N = 1 => 6M + 6S + 9A
-  var a = this.curve.a;
-  var tinv = this.curve.tinv;
-
-  var jx = this.x;
-  var jy = this.y;
-  var jz = this.z;
-  var jz4 = jz.redSqr().redSqr();
-
-  // Reuse results
-  var jyd = jy.redAdd(jy);
-  for (var i = 0; i < pow; i++) {
-    var jx2 = jx.redSqr();
-    var jyd2 = jyd.redSqr();
-    var jyd4 = jyd2.redSqr();
-    var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
-
-    var t1 = jx.redMul(jyd2);
-    var nx = c.redSqr().redISub(t1.redAdd(t1));
-    var t2 = t1.redISub(nx);
-    var dny = c.redMul(t2);
-    dny = dny.redIAdd(dny).redISub(jyd4);
-    var nz = jyd.redMul(jz);
-    if (i + 1 < pow)
-      jz4 = jz4.redMul(jyd4);
-
-    jx = nx;
-    jz = nz;
-    jyd = dny;
-  }
-
-  return this.curve.jpoint(jx, jyd.redMul(tinv), jz);
-};
-
-JPoint.prototype.dbl = function dbl() {
-  if (this.isInfinity())
-    return this;
-
-  if (this.curve.zeroA)
-    return this._zeroDbl();
-  else if (this.curve.threeA)
-    return this._threeDbl();
-  else
-    return this._dbl();
-};
-
-JPoint.prototype._zeroDbl = function _zeroDbl() {
-  var nx;
-  var ny;
-  var nz;
-  // Z = 1
-  if (this.zOne) {
-    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
-    //     #doubling-mdbl-2007-bl
-    // 1M + 5S + 14A
-
-    // XX = X1^2
-    var xx = this.x.redSqr();
-    // YY = Y1^2
-    var yy = this.y.redSqr();
-    // YYYY = YY^2
-    var yyyy = yy.redSqr();
-    // S = 2 * ((X1 + YY)^2 - XX - YYYY)
-    var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
-    s = s.redIAdd(s);
-    // M = 3 * XX + a; a = 0
-    var m = xx.redAdd(xx).redIAdd(xx);
-    // T = M ^ 2 - 2*S
-    var t = m.redSqr().redISub(s).redISub(s);
-
-    // 8 * YYYY
-    var yyyy8 = yyyy.redIAdd(yyyy);
-    yyyy8 = yyyy8.redIAdd(yyyy8);
-    yyyy8 = yyyy8.redIAdd(yyyy8);
-
-    // X3 = T
-    nx = t;
-    // Y3 = M * (S - T) - 8 * YYYY
-    ny = m.redMul(s.redISub(t)).redISub(yyyy8);
-    // Z3 = 2*Y1
-    nz = this.y.redAdd(this.y);
-  } else {
-    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
-    //     #doubling-dbl-2009-l
-    // 2M + 5S + 13A
-
-    // A = X1^2
-    var a = this.x.redSqr();
-    // B = Y1^2
-    var b = this.y.redSqr();
-    // C = B^2
-    var c = b.redSqr();
-    // D = 2 * ((X1 + B)^2 - A - C)
-    var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c);
-    d = d.redIAdd(d);
-    // E = 3 * A
-    var e = a.redAdd(a).redIAdd(a);
-    // F = E^2
-    var f = e.redSqr();
-
-    // 8 * C
-    var c8 = c.redIAdd(c);
-    c8 = c8.redIAdd(c8);
-    c8 = c8.redIAdd(c8);
-
-    // X3 = F - 2 * D
-    nx = f.redISub(d).redISub(d);
-    // Y3 = E * (D - X3) - 8 * C
-    ny = e.redMul(d.redISub(nx)).redISub(c8);
-    // Z3 = 2 * Y1 * Z1
-    nz = this.y.redMul(this.z);
-    nz = nz.redIAdd(nz);
-  }
-
-  return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype._threeDbl = function _threeDbl() {
-  var nx;
-  var ny;
-  var nz;
-  // Z = 1
-  if (this.zOne) {
-    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html
-    //     #doubling-mdbl-2007-bl
-    // 1M + 5S + 15A
-
-    // XX = X1^2
-    var xx = this.x.redSqr();
-    // YY = Y1^2
-    var yy = this.y.redSqr();
-    // YYYY = YY^2
-    var yyyy = yy.redSqr();
-    // S = 2 * ((X1 + YY)^2 - XX - YYYY)
-    var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
-    s = s.redIAdd(s);
-    // M = 3 * XX + a
-    var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a);
-    // T = M^2 - 2 * S
-    var t = m.redSqr().redISub(s).redISub(s);
-    // X3 = T
-    nx = t;
-    // Y3 = M * (S - T) - 8 * YYYY
-    var yyyy8 = yyyy.redIAdd(yyyy);
-    yyyy8 = yyyy8.redIAdd(yyyy8);
-    yyyy8 = yyyy8.redIAdd(yyyy8);
-    ny = m.redMul(s.redISub(t)).redISub(yyyy8);
-    // Z3 = 2 * Y1
-    nz = this.y.redAdd(this.y);
-  } else {
-    // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
-    // 3M + 5S
-
-    // delta = Z1^2
-    var delta = this.z.redSqr();
-    // gamma = Y1^2
-    var gamma = this.y.redSqr();
-    // beta = X1 * gamma
-    var beta = this.x.redMul(gamma);
-    // alpha = 3 * (X1 - delta) * (X1 + delta)
-    var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta));
-    alpha = alpha.redAdd(alpha).redIAdd(alpha);
-    // X3 = alpha^2 - 8 * beta
-    var beta4 = beta.redIAdd(beta);
-    beta4 = beta4.redIAdd(beta4);
-    var beta8 = beta4.redAdd(beta4);
-    nx = alpha.redSqr().redISub(beta8);
-    // Z3 = (Y1 + Z1)^2 - gamma - delta
-    nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);
-    // Y3 = alpha * (4 * beta - X3) - 8 * gamma^2
-    var ggamma8 = gamma.redSqr();
-    ggamma8 = ggamma8.redIAdd(ggamma8);
-    ggamma8 = ggamma8.redIAdd(ggamma8);
-    ggamma8 = ggamma8.redIAdd(ggamma8);
-    ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8);
-  }
-
-  return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype._dbl = function _dbl() {
-  var a = this.curve.a;
-
-  // 4M + 6S + 10A
-  var jx = this.x;
-  var jy = this.y;
-  var jz = this.z;
-  var jz4 = jz.redSqr().redSqr();
-
-  var jx2 = jx.redSqr();
-  var jy2 = jy.redSqr();
-
-  var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
-
-  var jxd4 = jx.redAdd(jx);
-  jxd4 = jxd4.redIAdd(jxd4);
-  var t1 = jxd4.redMul(jy2);
-  var nx = c.redSqr().redISub(t1.redAdd(t1));
-  var t2 = t1.redISub(nx);
-
-  var jyd8 = jy2.redSqr();
-  jyd8 = jyd8.redIAdd(jyd8);
-  jyd8 = jyd8.redIAdd(jyd8);
-  jyd8 = jyd8.redIAdd(jyd8);
-  var ny = c.redMul(t2).redISub(jyd8);
-  var nz = jy.redAdd(jy).redMul(jz);
-
-  return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype.trpl = function trpl() {
-  if (!this.curve.zeroA)
-    return this.dbl().add(this);
-
-  // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl
-  // 5M + 10S + ...
-
-  // XX = X1^2
-  var xx = this.x.redSqr();
-  // YY = Y1^2
-  var yy = this.y.redSqr();
-  // ZZ = Z1^2
-  var zz = this.z.redSqr();
-  // YYYY = YY^2
-  var yyyy = yy.redSqr();
-  // M = 3 * XX + a * ZZ2; a = 0
-  var m = xx.redAdd(xx).redIAdd(xx);
-  // MM = M^2
-  var mm = m.redSqr();
-  // E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM
-  var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
-  e = e.redIAdd(e);
-  e = e.redAdd(e).redIAdd(e);
-  e = e.redISub(mm);
-  // EE = E^2
-  var ee = e.redSqr();
-  // T = 16*YYYY
-  var t = yyyy.redIAdd(yyyy);
-  t = t.redIAdd(t);
-  t = t.redIAdd(t);
-  t = t.redIAdd(t);
-  // U = (M + E)^2 - MM - EE - T
-  var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t);
-  // X3 = 4 * (X1 * EE - 4 * YY * U)
-  var yyu4 = yy.redMul(u);
-  yyu4 = yyu4.redIAdd(yyu4);
-  yyu4 = yyu4.redIAdd(yyu4);
-  var nx = this.x.redMul(ee).redISub(yyu4);
-  nx = nx.redIAdd(nx);
-  nx = nx.redIAdd(nx);
-  // Y3 = 8 * Y1 * (U * (T - U) - E * EE)
-  var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));
-  ny = ny.redIAdd(ny);
-  ny = ny.redIAdd(ny);
-  ny = ny.redIAdd(ny);
-  // Z3 = (Z1 + E)^2 - ZZ - EE
-  var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);
-
-  return this.curve.jpoint(nx, ny, nz);
-};
-
-JPoint.prototype.mul = function mul(k, kbase) {
-  k = new bn(k, kbase);
-
-  return this.curve._wnafMul(this, k);
-};
-
-JPoint.prototype.eq = function eq(p) {
-  if (p.type === 'affine')
-    return this.eq(p.toJ());
-
-  if (this === p)
-    return true;
-
-  // x1 * z2^2 == x2 * z1^2
-  var z2 = this.z.redSqr();
-  var pz2 = p.z.redSqr();
-  if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0)
-    return false;
-
-  // y1 * z2^3 == y2 * z1^3
-  var z3 = z2.redMul(this.z);
-  var pz3 = pz2.redMul(p.z);
-  return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0;
-};
-
-JPoint.prototype.inspect = function inspect() {
-  if (this.isInfinity())
-    return '<EC JPoint Infinity>';
-  return '<EC JPoint x: ' + this.x.toString(16, 2) +
-      ' y: ' + this.y.toString(16, 2) +
-      ' z: ' + this.z.toString(16, 2) + '>';
-};
-
-JPoint.prototype.isInfinity = function isInfinity() {
-  // XXX This code assumes that zero is always zero in red
-  return this.z.cmpn(0) === 0;
-};
-
-},{"../../elliptic":65,"../curve":68,"bn.js":17,"inherits":92}],71:[function(require,module,exports){
-'use strict';
-
-var curves = exports;
-
-var hash = require('hash.js');
-var elliptic = require('../elliptic');
-
-var assert = elliptic.utils.assert;
-
-function PresetCurve(options) {
-  if (options.type === 'short')
-    this.curve = new elliptic.curve.short(options);
-  else if (options.type === 'edwards')
-    this.curve = new elliptic.curve.edwards(options);
-  else
-    this.curve = new elliptic.curve.mont(options);
-  this.g = this.curve.g;
-  this.n = this.curve.n;
-  this.hash = options.hash;
-
-  assert(this.g.validate(), 'Invalid curve');
-  assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O');
-}
-curves.PresetCurve = PresetCurve;
-
-function defineCurve(name, options) {
-  Object.defineProperty(curves, name, {
-    configurable: true,
-    enumerable: true,
-    get: function() {
-      var curve = new PresetCurve(options);
-      Object.defineProperty(curves, name, {
-        configurable: true,
-        enumerable: true,
-        value: curve
-      });
-      return curve;
-    }
-  });
-}
-
-defineCurve('p192', {
-  type: 'short',
-  prime: 'p192',
-  p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff',
-  a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc',
-  b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1',
-  n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831',
-  hash: hash.sha256,
-  gRed: false,
-  g: [
-    '188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012',
-    '07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811'
-  ]
-});
-
-defineCurve('p224', {
-  type: 'short',
-  prime: 'p224',
-  p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001',
-  a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe',
-  b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4',
-  n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d',
-  hash: hash.sha256,
-  gRed: false,
-  g: [
-    'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21',
-    'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34'
-  ]
-});
-
-defineCurve('p256', {
-  type: 'short',
-  prime: null,
-  p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff',
-  a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc',
-  b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b',
-  n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551',
-  hash: hash.sha256,
-  gRed: false,
-  g: [
-    '6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296',
-    '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5'
-  ]
-});
-
-defineCurve('p384', {
-  type: 'short',
-  prime: null,
-  p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
-     'fffffffe ffffffff 00000000 00000000 ffffffff',
-  a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
-     'fffffffe ffffffff 00000000 00000000 fffffffc',
-  b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' +
-     '5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef',
-  n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' +
-     'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973',
-  hash: hash.sha384,
-  gRed: false,
-  g: [
-    'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' +
-    '5502f25d bf55296c 3a545e38 72760ab7',
-    '3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' +
-    '0a60b1ce 1d7e819d 7a431d7c 90ea0e5f'
-  ]
-});
-
-defineCurve('p521', {
-  type: 'short',
-  prime: null,
-  p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
-     'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
-     'ffffffff ffffffff ffffffff ffffffff ffffffff',
-  a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
-     'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
-     'ffffffff ffffffff ffffffff ffffffff fffffffc',
-  b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' +
-     '99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' +
-     '3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00',
-  n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
-     'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' +
-     'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409',
-  hash: hash.sha512,
-  gRed: false,
-  g: [
-    '000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' +
-    '053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' +
-    'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66',
-    '00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' +
-    '579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' +
-    '3fad0761 353c7086 a272c240 88be9476 9fd16650'
-  ]
-});
-
-defineCurve('curve25519', {
-  type: 'mont',
-  prime: 'p25519',
-  p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
-  a: '76d06',
-  b: '0',
-  n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
-  hash: hash.sha256,
-  gRed: false,
-  g: [
-    '9'
-  ]
-});
-
-defineCurve('ed25519', {
-  type: 'edwards',
-  prime: 'p25519',
-  p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
-  a: '-1',
-  c: '1',
-  // -121665 * (121666^(-1)) (mod P)
-  d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3',
-  n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
-  hash: hash.sha256,
-  gRed: false,
-  g: [
-    '216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a',
-
-    // 4/5
-    '6666666666666666666666666666666666666666666666666666666666666658'
-  ]
-});
-
-var pre;
-try {
-  pre = require('./precomputed/secp256k1');
-} catch (e) {
-  pre = undefined;
-}
-
-defineCurve('secp256k1', {
-  type: 'short',
-  prime: 'k256',
-  p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f',
-  a: '0',
-  b: '7',
-  n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141',
-  h: '1',
-  hash: hash.sha256,
-
-  // Precomputed endomorphism
-  beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee',
-  lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72',
-  basis: [
-    {
-      a: '3086d221a7d46bcde86c90e49284eb15',
-      b: '-e4437ed6010e88286f547fa90abfe4c3'
-    },
-    {
-      a: '114ca50f7a8e2f3f657c1108d9d44cfd8',
-      b: '3086d221a7d46bcde86c90e49284eb15'
-    }
-  ],
-
-  gRed: false,
-  g: [
-    '79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
-    '483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8',
-    pre
-  ]
-});
-
-},{"../elliptic":65,"./precomputed/secp256k1":79,"hash.js":84}],72:[function(require,module,exports){
-'use strict';
-
-var bn = require('bn.js');
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-
-var KeyPair = require('./key');
-var Signature = require('./signature');
-
-function EC(options) {
-  if (!(this instanceof EC))
-    return new EC(options);
-
-  // Shortcut `elliptic.ec(curve-name)`
-  if (typeof options === 'string') {
-    assert(elliptic.curves.hasOwnProperty(options), 'Unknown curve ' + options);
-
-    options = elliptic.curves[options];
-  }
-
-  // Shortcut for `elliptic.ec(elliptic.curves.curveName)`
-  if (options instanceof elliptic.curves.PresetCurve)
-    options = { curve: options };
-
-  this.curve = options.curve.curve;
-  this.n = this.curve.n;
-  this.nh = this.n.ushrn(1);
-  this.g = this.curve.g;
-
-  // Point on curve
-  this.g = options.curve.g;
-  this.g.precompute(options.curve.n.bitLength() + 1);
-
-  // Hash for function for DRBG
-  this.hash = options.hash || options.curve.hash;
-}
-module.exports = EC;
-
-EC.prototype.keyPair = function keyPair(options) {
-  return new KeyPair(this, options);
-};
-
-EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) {
-  return KeyPair.fromPrivate(this, priv, enc);
-};
-
-EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) {
-  return KeyPair.fromPublic(this, pub, enc);
-};
-
-EC.prototype.genKeyPair = function genKeyPair(options) {
-  if (!options)
-    options = {};
-
-  // Instantiate Hmac_DRBG
-  var drbg = new elliptic.hmacDRBG({
-    hash: this.hash,
-    pers: options.pers,
-    entropy: options.entropy || elliptic.rand(this.hash.hmacStrength),
-    nonce: this.n.toArray()
-  });
-
-  var bytes = this.n.byteLength();
-  var ns2 = this.n.sub(new bn(2));
-  do {
-    var priv = new bn(drbg.generate(bytes));
-    if (priv.cmp(ns2) > 0)
-      continue;
-
-    priv.iaddn(1);
-    return this.keyFromPrivate(priv);
-  } while (true);
-};
-
-EC.prototype._truncateToN = function truncateToN(msg, truncOnly) {
-  var delta = msg.byteLength() * 8 - this.n.bitLength();
-  if (delta > 0)
-    msg = msg.ushrn(delta);
-  if (!truncOnly && msg.cmp(this.n) >= 0)
-    return msg.sub(this.n);
-  else
-    return msg;
-};
-
-EC.prototype.sign = function sign(msg, key, enc, options) {
-  if (typeof enc === 'object') {
-    options = enc;
-    enc = null;
-  }
-  if (!options)
-    options = {};
-
-  key = this.keyFromPrivate(key, enc);
-  msg = this._truncateToN(new bn(msg, 16));
-
-  // Zero-extend key to provide enough entropy
-  var bytes = this.n.byteLength();
-  var bkey = key.getPrivate().toArray();
-  for (var i = bkey.length; i < bytes; i++)
-    bkey.unshift(0);
-
-  // Zero-extend nonce to have the same byte size as N
-  var nonce = msg.toArray();
-  for (var i = nonce.length; i < bytes; i++)
-    nonce.unshift(0);
-
-  // Instantiate Hmac_DRBG
-  var drbg = new elliptic.hmacDRBG({
-    hash: this.hash,
-    entropy: bkey,
-    nonce: nonce
-  });
-
-  // Number of bytes to generate
-  var ns1 = this.n.sub(new bn(1));
-  do {
-    var k = new bn(drbg.generate(this.n.byteLength()));
-    k = this._truncateToN(k, true);
-    if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0)
-      continue;
-
-    var kp = this.g.mul(k);
-    if (kp.isInfinity())
-      continue;
-
-    var kpX = kp.getX();
-    var r = kpX.umod(this.n);
-    if (r.cmpn(0) === 0)
-      continue;
-
-    var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg));
-    s = s.umod(this.n);
-    if (s.cmpn(0) === 0)
-      continue;
-
-    var recoveryParam = (kp.getY().isOdd() ? 1 : 0) |
-                        (kpX.cmp(r) !== 0 ? 2 : 0);
-
-    // Use complement of `s`, if it is > `n / 2`
-    if (options.canonical && s.cmp(this.nh) > 0) {
-      s = this.n.sub(s);
-      recoveryParam ^= 1;
-    }
-
-    return new Signature({ r: r, s: s, recoveryParam: recoveryParam });
-  } while (true);
-};
-
-EC.prototype.verify = function verify(msg, signature, key, enc) {
-  msg = this._truncateToN(new bn(msg, 16));
-  key = this.keyFromPublic(key, enc);
-  signature = new Signature(signature, 'hex');
-
-  // Perform primitive values validation
-  var r = signature.r;
-  var s = signature.s;
-  if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0)
-    return false;
-  if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0)
-    return false;
-
-  // Validate signature
-  var sinv = s.invm(this.n);
-  var u1 = sinv.mul(msg).umod(this.n);
-  var u2 = sinv.mul(r).umod(this.n);
-
-  var p = this.g.mulAdd(u1, key.getPublic(), u2);
-  if (p.isInfinity())
-    return false;
-
-  return p.getX().umod(this.n).cmp(r) === 0;
-};
-
-EC.prototype.recoverPubKey = function(msg, signature, j, enc) {
-  assert((3 & j) === j, 'The recovery param is more than two bits');
-  signature = new Signature(signature, enc);
-
-  var n = this.n;
-  var e = new bn(msg);
-  var r = signature.r;
-  var s = signature.s;
-
-  // A set LSB signifies that the y-coordinate is odd
-  var isYOdd = j & 1;
-  var isSecondKey = j >> 1;
-  if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey)
-    throw new Error('Unable to find sencond key candinate');
-
-  // 1.1. Let x = r + jn.
-  if (isSecondKey)
-    r = this.curve.pointFromX(r.add(this.curve.n), isYOdd);
-  else
-    r = this.curve.pointFromX(r, isYOdd);
-
-  var eNeg = n.sub(e);
-
-  // 1.6.1 Compute Q = r^-1 (sR -  eG)
-  //               Q = r^-1 (sR + -eG)
-  var rInv = signature.r.invm(n);
-  return r.mul(s).add(this.g.mul(eNeg)).mul(rInv);
-};
-
-EC.prototype.getKeyRecoveryParam = function(e, signature, Q, enc) {
-  signature = new Signature(signature, enc);
-  if (signature.recoveryParam !== null)
-    return signature.recoveryParam;
-
-  for (var i = 0; i < 4; i++) {
-    var Qprime = this.recoverPubKey(e, signature, i);
-
-    if (Qprime.eq(Q))
-      return i;
-  }
-  throw new Error('Unable to find valid recovery factor');
-};
-
-},{"../../elliptic":65,"./key":73,"./signature":74,"bn.js":17}],73:[function(require,module,exports){
-'use strict';
-
-var bn = require('bn.js');
-
-function KeyPair(ec, options) {
-  this.ec = ec;
-  this.priv = null;
-  this.pub = null;
-
-  // KeyPair(ec, { priv: ..., pub: ... })
-  if (options.priv)
-    this._importPrivate(options.priv, options.privEnc);
-  if (options.pub)
-    this._importPublic(options.pub, options.pubEnc);
-}
-module.exports = KeyPair;
-
-KeyPair.fromPublic = function fromPublic(ec, pub, enc) {
-  if (pub instanceof KeyPair)
-    return pub;
-
-  return new KeyPair(ec, {
-    pub: pub,
-    pubEnc: enc
-  });
-};
-
-KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) {
-  if (priv instanceof KeyPair)
-    return priv;
-
-  return new KeyPair(ec, {
-    priv: priv,
-    privEnc: enc
-  });
-};
-
-KeyPair.prototype.validate = function validate() {
-  var pub = this.getPublic();
-
-  if (pub.isInfinity())
-    return { result: false, reason: 'Invalid public key' };
-  if (!pub.validate())
-    return { result: false, reason: 'Public key is not a point' };
-  if (!pub.mul(this.ec.curve.n).isInfinity())
-    return { result: false, reason: 'Public key * N != O' };
-
-  return { result: true, reason: null };
-};
-
-KeyPair.prototype.getPublic = function getPublic(compact, enc) {
-  // compact is optional argument
-  if (typeof compact === 'string') {
-    enc = compact;
-    compact = null;
-  }
-
-  if (!this.pub)
-    this.pub = this.ec.g.mul(this.priv);
-
-  if (!enc)
-    return this.pub;
-
-  return this.pub.encode(enc, compact);
-};
-
-KeyPair.prototype.getPrivate = function getPrivate(enc) {
-  if (enc === 'hex')
-    return this.priv.toString(16, 2);
-  else
-    return this.priv;
-};
-
-KeyPair.prototype._importPrivate = function _importPrivate(key, enc) {
-  this.priv = new bn(key, enc || 16);
-
-  // Ensure that the priv won't be bigger than n, otherwise we may fail
-  // in fixed multiplication method
-  this.priv = this.priv.umod(this.ec.curve.n);
-};
-
-KeyPair.prototype._importPublic = function _importPublic(key, enc) {
-  if (key.x || key.y) {
-    this.pub = this.ec.curve.point(key.x, key.y);
-    return;
-  }
-  this.pub = this.ec.curve.decodePoint(key, enc);
-};
-
-// ECDH
-KeyPair.prototype.derive = function derive(pub) {
-  return pub.mul(this.priv).getX();
-};
-
-// ECDSA
-KeyPair.prototype.sign = function sign(msg, enc, options) {
-  return this.ec.sign(msg, this, enc, options);
-};
-
-KeyPair.prototype.verify = function verify(msg, signature) {
-  return this.ec.verify(msg, signature, this);
-};
-
-KeyPair.prototype.inspect = function inspect() {
-  return '<Key priv: ' + (this.priv && this.priv.toString(16, 2)) +
-         ' pub: ' + (this.pub && this.pub.inspect()) + ' >';
-};
-
-},{"bn.js":17}],74:[function(require,module,exports){
-'use strict';
-
-var bn = require('bn.js');
-
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-
-function Signature(options, enc) {
-  if (options instanceof Signature)
-    return options;
-
-  if (this._importDER(options, enc))
-    return;
-
-  assert(options.r && options.s, 'Signature without r or s');
-  this.r = new bn(options.r, 16);
-  this.s = new bn(options.s, 16);
-  if (options.recoveryParam !== null)
-    this.recoveryParam = options.recoveryParam;
-  else
-    this.recoveryParam = null;
-}
-module.exports = Signature;
-
-function Position() {
-  this.place = 0;
-}
-
-function getLength(buf, p) {
-  var initial = buf[p.place++];
-  if (!(initial & 0x80)) {
-    return initial;
-  }
-  var octetLen = initial & 0xf;
-  var val = 0;
-  for (var i = 0, off = p.place; i < octetLen; i++, off++) {
-    val <<= 8;
-    val |= buf[off];
-  }
-  p.place = off;
-  return val;
-}
-
-function rmPadding(buf) {
-  var i = 0;
-  var len = buf.length - 1;
-  while (!buf[i] && !(buf[i + 1] & 0x80) && i < len) {
-    i++;
-  }
-  if (i === 0) {
-    return buf;
-  }
-  return buf.slice(i);
-}
-
-Signature.prototype._importDER = function _importDER(data, enc) {
-  data = utils.toArray(data, enc);
-  var p = new Position();
-  if (data[p.place++] !== 0x30) {
-    return false;
-  }
-  var len = getLength(data, p);
-  if ((len + p.place) !== data.length) {
-    return false;
-  }
-  if (data[p.place++] !== 0x02) {
-    return false;
-  }
-  var rlen = getLength(data, p);
-  var r = data.slice(p.place, rlen + p.place);
-  p.place += rlen;
-  if (data[p.place++] !== 0x02) {
-    return false;
-  }
-  var slen = getLength(data, p);
-  if (data.length !== slen + p.place) {
-    return false;
-  }
-  var s = data.slice(p.place, slen + p.place);
-  if (r[0] === 0 && (r[1] & 0x80)) {
-    r = r.slice(1);
-  }
-  if (s[0] === 0 && (s[1] & 0x80)) {
-    s = s.slice(1);
-  }
-
-  this.r = new bn(r);
-  this.s = new bn(s);
-  this.recoveryParam = null;
-
-  return true;
-};
-
-function constructLength(arr, len) {
-  if (len < 0x80) {
-    arr.push(len);
-    return;
-  }
-  var octets = 1 + (Math.log(len) / Math.LN2 >>> 3);
-  arr.push(octets | 0x80);
-  while (--octets) {
-    arr.push((len >>> (octets << 3)) & 0xff);
-  }
-  arr.push(len);
-}
-
-Signature.prototype.toDER = function toDER(enc) {
-  var r = this.r.toArray();
-  var s = this.s.toArray();
-
-  // Pad values
-  if (r[0] & 0x80)
-    r = [ 0 ].concat(r);
-  // Pad values
-  if (s[0] & 0x80)
-    s = [ 0 ].concat(s);
-
-  r = rmPadding(r);
-  s = rmPadding(s);
-
-  while (!s[0] && !(s[1] & 0x80)) {
-    s = s.slice(1);
-  }
-  var arr = [ 0x02 ];
-  constructLength(arr, r.length);
-  arr = arr.concat(r);
-  arr.push(0x02);
-  constructLength(arr, s.length);
-  var backHalf = arr.concat(s);
-  var res = [ 0x30 ];
-  constructLength(res, backHalf.length);
-  res = res.concat(backHalf);
-  return utils.encode(res, enc);
-};
-
-},{"../../elliptic":65,"bn.js":17}],75:[function(require,module,exports){
-'use strict';
-
-var hash = require('hash.js');
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-var parseBytes = utils.parseBytes;
-var KeyPair = require('./key');
-var Signature = require('./signature');
-
-function EDDSA(curve) {
-  assert(curve === 'ed25519', 'only tested with ed25519 so far');
-
-  if (!(this instanceof EDDSA))
-    return new EDDSA(curve);
-
-  var curve = elliptic.curves[curve].curve;
-  this.curve = curve;
-  this.g = curve.g;
-  this.g.precompute(curve.n.bitLength() + 1);
-
-  this.pointClass = curve.point().constructor;
-  this.encodingLength = Math.ceil(curve.n.bitLength() / 8);
-  this.hash = hash.sha512;
-}
-
-module.exports = EDDSA;
-
-/**
-* @param {Array|String} message - message bytes
-* @param {Array|String|KeyPair} secret - secret bytes or a keypair
-* @returns {Signature} - signature
-*/
-EDDSA.prototype.sign = function sign(message, secret) {
-  message = parseBytes(message);
-  var key = this.keyFromSecret(secret);
-  var r = this.hashInt(key.messagePrefix(), message);
-  var R = this.g.mul(r);
-  var Rencoded = this.encodePoint(R);
-  var s_ = this.hashInt(Rencoded, key.pubBytes(), message)
-               .mul(key.priv());
-  var S = r.add(s_).umod(this.curve.n);
-  return this.makeSignature({ R: R, S: S, Rencoded: Rencoded });
-};
-
-/**
-* @param {Array} message - message bytes
-* @param {Array|String|Signature} sig - sig bytes
-* @param {Array|String|Point|KeyPair} pub - public key
-* @returns {Boolean} - true if public key matches sig of message
-*/
-EDDSA.prototype.verify = function verify(message, sig, pub) {
-  message = parseBytes(message);
-  sig = this.makeSignature(sig);
-  var key = this.keyFromPublic(pub);
-  var h = this.hashInt(sig.Rencoded(), key.pubBytes(), message);
-  var SG = this.g.mul(sig.S());
-  var RplusAh = sig.R().add(key.pub().mul(h));
-  return RplusAh.eq(SG);
-};
-
-EDDSA.prototype.hashInt = function hashInt() {
-  var hash = this.hash();
-  for (var i = 0; i < arguments.length; i++)
-    hash.update(arguments[i]);
-  return utils.intFromLE(hash.digest()).umod(this.curve.n);
-};
-
-EDDSA.prototype.keyFromPublic = function keyFromPublic(pub) {
-  return KeyPair.fromPublic(this, pub);
-};
-
-EDDSA.prototype.keyFromSecret = function keyFromSecret(secret) {
-  return KeyPair.fromSecret(this, secret);
-};
-
-EDDSA.prototype.makeSignature = function makeSignature(sig) {
-  if (sig instanceof Signature)
-    return sig;
-  return new Signature(this, sig);
-};
-
-/**
-* * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03#section-5.2
-*
-* EDDSA defines methods for encoding and decoding points and integers. These are
-* helper convenience methods, that pass along to utility functions implied
-* parameters.
-*
-*/
-EDDSA.prototype.encodePoint = function encodePoint(point) {
-  var enc = point.getY().toArray('le', this.encodingLength);
-  enc[this.encodingLength - 1] |= point.getX().isOdd() ? 0x80 : 0;
-  return enc;
-};
-
-EDDSA.prototype.decodePoint = function decodePoint(bytes) {
-  bytes = utils.parseBytes(bytes);
-
-  var lastIx = bytes.length - 1;
-  var normed = bytes.slice(0, lastIx).concat(bytes[lastIx] & ~0x80);
-  var xIsOdd = (bytes[lastIx] & 0x80) !== 0;
-
-  var y = utils.intFromLE(normed);
-  return this.curve.pointFromY(y, xIsOdd);
-};
-
-EDDSA.prototype.encodeInt = function encodeInt(num) {
-  return num.toArray('le', this.encodingLength);
-};
-
-EDDSA.prototype.decodeInt = function decodeInt(bytes) {
-  return utils.intFromLE(bytes);
-};
-
-EDDSA.prototype.isPoint = function isPoint(val) {
-  return val instanceof this.pointClass;
-};
-
-},{"../../elliptic":65,"./key":76,"./signature":77,"hash.js":84}],76:[function(require,module,exports){
-'use strict';
-
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-var parseBytes = utils.parseBytes;
-var cachedProperty = utils.cachedProperty;
-
-/**
-* @param {EDDSA} eddsa - instance
-* @param {Object} params - public/private key parameters
-*
-* @param {Array<Byte>} [params.secret] - secret seed bytes
-* @param {Point} [params.pub] - public key point (aka `A` in eddsa terms)
-* @param {Array<Byte>} [params.pub] - public key point encoded as bytes
-*
-*/
-function KeyPair(eddsa, params) {
-  this.eddsa = eddsa;
-  this._secret = parseBytes(params.secret);
-  if (eddsa.isPoint(params.pub))
-    this._pub = params.pub;
-  else
-    this._pubBytes = parseBytes(params.pub);
-}
-
-KeyPair.fromPublic = function fromPublic(eddsa, pub) {
-  if (pub instanceof KeyPair)
-    return pub;
-  return new KeyPair(eddsa, { pub: pub });
-};
-
-KeyPair.fromSecret = function fromSecret(eddsa, secret) {
-  if (secret instanceof KeyPair)
-    return secret;
-  return new KeyPair(eddsa, { secret: secret });
-};
-
-KeyPair.prototype.secret = function secret() {
-  return this._secret;
-};
-
-cachedProperty(KeyPair, function pubBytes() {
-  return this.eddsa.encodePoint(this.pub());
-});
-
-cachedProperty(KeyPair, function pub() {
-  if (this._pubBytes)
-    return this.eddsa.decodePoint(this._pubBytes);
-  return this.eddsa.g.mul(this.priv());
-});
-
-cachedProperty(KeyPair, function privBytes() {
-  var eddsa = this.eddsa;
-  var hash = this.hash();
-  var lastIx = eddsa.encodingLength - 1;
-
-  var a = hash.slice(0, eddsa.encodingLength);
-  a[0] &= 248;
-  a[lastIx] &= 127;
-  a[lastIx] |= 64;
-
-  return a;
-});
-
-cachedProperty(KeyPair, function priv() {
-  return this.eddsa.decodeInt(this.privBytes());
-});
-
-cachedProperty(KeyPair, function hash() {
-  return this.eddsa.hash().update(this.secret()).digest();
-});
-
-cachedProperty(KeyPair, function messagePrefix() {
-  return this.hash().slice(this.eddsa.encodingLength);
-});
-
-KeyPair.prototype.sign = function sign(message) {
-  assert(this._secret, 'KeyPair can only verify');
-  return this.eddsa.sign(message, this);
-};
-
-KeyPair.prototype.verify = function verify(message, sig) {
-  return this.eddsa.verify(message, sig, this);
-};
-
-KeyPair.prototype.getSecret = function getSecret(enc) {
-  assert(this._secret, 'KeyPair is public only');
-  return utils.encode(this.secret(), enc);
-};
-
-KeyPair.prototype.getPublic = function getPublic(enc) {
-  return utils.encode(this.pubBytes(), enc);
-};
-
-module.exports = KeyPair;
-
-},{"../../elliptic":65}],77:[function(require,module,exports){
-'use strict';
-
-var bn = require('bn.js');
-var elliptic = require('../../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-var cachedProperty = utils.cachedProperty;
-var parseBytes = utils.parseBytes;
-
-/**
-* @param {EDDSA} eddsa - eddsa instance
-* @param {Array<Bytes>|Object} sig -
-* @param {Array<Bytes>|Point} [sig.R] - R point as Point or bytes
-* @param {Array<Bytes>|bn} [sig.S] - S scalar as bn or bytes
-* @param {Array<Bytes>} [sig.Rencoded] - R point encoded
-* @param {Array<Bytes>} [sig.Sencoded] - S scalar encoded
-*/
-function Signature(eddsa, sig) {
-  this.eddsa = eddsa;
-
-  if (typeof sig !== 'object')
-    sig = parseBytes(sig);
-
-  if (Array.isArray(sig)) {
-    sig = {
-      R: sig.slice(0, eddsa.encodingLength),
-      S: sig.slice(eddsa.encodingLength)
-    };
-  }
-
-  assert(sig.R && sig.S, 'Signature without R or S');
-
-  if (eddsa.isPoint(sig.R))
-    this._R = sig.R;
-  if (sig.S instanceof bn)
-    this._S = sig.S;
-
-  this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded;
-  this._Sencoded = Array.isArray(sig.S) ? sig.S : sig.Sencoded;
-}
-
-cachedProperty(Signature, function S() {
-  return this.eddsa.decodeInt(this.Sencoded());
-});
-
-cachedProperty(Signature, function R() {
-  return this.eddsa.decodePoint(this.Rencoded());
-});
-
-cachedProperty(Signature, function Rencoded() {
-  return this.eddsa.encodePoint(this.R());
-});
-
-cachedProperty(Signature, function Sencoded() {
-  return this.eddsa.encodeInt(this.S());
-});
-
-Signature.prototype.toBytes = function toBytes() {
-  return this.Rencoded().concat(this.Sencoded());
-};
-
-Signature.prototype.toHex = function toHex() {
-  return utils.encode(this.toBytes(), 'hex').toUpperCase();
-};
-
-module.exports = Signature;
-
-},{"../../elliptic":65,"bn.js":17}],78:[function(require,module,exports){
-'use strict';
-
-var hash = require('hash.js');
-var elliptic = require('../elliptic');
-var utils = elliptic.utils;
-var assert = utils.assert;
-
-function HmacDRBG(options) {
-  if (!(this instanceof HmacDRBG))
-    return new HmacDRBG(options);
-  this.hash = options.hash;
-  this.predResist = !!options.predResist;
-
-  this.outLen = this.hash.outSize;
-  this.minEntropy = options.minEntropy || this.hash.hmacStrength;
-
-  this.reseed = null;
-  this.reseedInterval = null;
-  this.K = null;
-  this.V = null;
-
-  var entropy = utils.toArray(options.entropy, options.entropyEnc);
-  var nonce = utils.toArray(options.nonce, options.nonceEnc);
-  var pers = utils.toArray(options.pers, options.persEnc);
-  assert(entropy.length >= (this.minEntropy / 8),
-         'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
-  this._init(entropy, nonce, pers);
-}
-module.exports = HmacDRBG;
-
-HmacDRBG.prototype._init = function init(entropy, nonce, pers) {
-  var seed = entropy.concat(nonce).concat(pers);
-
-  this.K = new Array(this.outLen / 8);
-  this.V = new Array(this.outLen / 8);
-  for (var i = 0; i < this.V.length; i++) {
-    this.K[i] = 0x00;
-    this.V[i] = 0x01;
-  }
-
-  this._update(seed);
-  this.reseed = 1;
-  this.reseedInterval = 0x1000000000000;  // 2^48
-};
-
-HmacDRBG.prototype._hmac = function hmac() {
-  return new hash.hmac(this.hash, this.K);
-};
-
-HmacDRBG.prototype._update = function update(seed) {
-  var kmac = this._hmac()
-                 .update(this.V)
-                 .update([ 0x00 ]);
-  if (seed)
-    kmac = kmac.update(seed);
-  this.K = kmac.digest();
-  this.V = this._hmac().update(this.V).digest();
-  if (!seed)
-    return;
-
-  this.K = this._hmac()
-               .update(this.V)
-               .update([ 0x01 ])
-               .update(seed)
-               .digest();
-  this.V = this._hmac().update(this.V).digest();
-};
-
-HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) {
-  // Optional entropy enc
-  if (typeof entropyEnc !== 'string') {
-    addEnc = add;
-    add = entropyEnc;
-    entropyEnc = null;
-  }
-
-  entropy = utils.toBuffer(entropy, entropyEnc);
-  add = utils.toBuffer(add, addEnc);
-
-  assert(entropy.length >= (this.minEntropy / 8),
-         'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
-
-  this._update(entropy.concat(add || []));
-  this.reseed = 1;
-};
-
-HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) {
-  if (this.reseed > this.reseedInterval)
-    throw new Error('Reseed is required');
-
-  // Optional encoding
-  if (typeof enc !== 'string') {
-    addEnc = add;
-    add = enc;
-    enc = null;
-  }
-
-  // Optional additional data
-  if (add) {
-    add = utils.toArray(add, addEnc);
-    this._update(add);
-  }
-
-  var temp = [];
-  while (temp.length < len) {
-    this.V = this._hmac().update(this.V).digest();
-    temp = temp.concat(this.V);
-  }
-
-  var res = temp.slice(0, len);
-  this._update(add);
-  this.reseed++;
-  return utils.encode(res, enc);
-};
-
-},{"../elliptic":65,"hash.js":84}],79:[function(require,module,exports){
-module.exports = {
-  doubles: {
-    step: 4,
-    points: [
-      [
-        'e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a',
-        'f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821'
-      ],
-      [
-        '8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508',
-        '11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf'
-      ],
-      [
-        '175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739',
-        'd3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695'
-      ],
-      [
-        '363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640',
-        '4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9'
-      ],
-      [
-        '8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c',
-        '4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36'
-      ],
-      [
-        '723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda',
-        '96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f'
-      ],
-      [
-        'eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa',
-        '5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999'
-      ],
-      [
-        '100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0',
-        'cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09'
-      ],
-      [
-        'e1031be262c7ed1b1dc9227a4a04c017a77f8d4464f3b3852c8acde6e534fd2d',
-        '9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d'
-      ],
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-        'feea6cae46d55b530ac2839f143bd7ec5cf8b266a41d6af52d5e688d9094696d',
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-      ],
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-      ],
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-      ],
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-      ],
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-'use strict';
-
-var utils = exports;
-var bn = require('bn.js');
-
-utils.assert = function assert(val, msg) {
-  if (!val)
-    throw new Error(msg || 'Assertion failed');
-};
-
-function toArray(msg, enc) {
-  if (Array.isArray(msg))
-    return msg.slice();
-  if (!msg)
-    return [];
-  var res = [];
-  if (typeof msg !== 'string') {
-    for (var i = 0; i < msg.length; i++)
-      res[i] = msg[i] | 0;
-    return res;
-  }
-  if (!enc) {
-    for (var i = 0; i < msg.length; i++) {
-      var c = msg.charCodeAt(i);
-      var hi = c >> 8;
-      var lo = c & 0xff;
-      if (hi)
-        res.push(hi, lo);
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-        res.push(lo);
-    }
-  } else if (enc === 'hex') {
-    msg = msg.replace(/[^a-z0-9]+/ig, '');
-    if (msg.length % 2 !== 0)
-      msg = '0' + msg;
-    for (var i = 0; i < msg.length; i += 2)
-      res.push(parseInt(msg[i] + msg[i + 1], 16));
-  }
-  return res;
-}
-utils.toArray = toArray;
-
-function zero2(word) {
-  if (word.length === 1)
-    return '0' + word;
-  else
-    return word;
-}
-utils.zero2 = zero2;
-
-function toHex(msg) {
-  var res = '';
-  for (var i = 0; i < msg.length; i++)
-    res += zero2(msg[i].toString(16));
-  return res;
-}
-utils.toHex = toHex;
-
-utils.encode = function encode(arr, enc) {
-  if (enc === 'hex')
-    return toHex(arr);
-  else
-    return arr;
-};
-
-// Represent num in a w-NAF form
-function getNAF(num, w) {
-  var naf = [];
-  var ws = 1 << (w + 1);
-  var k = num.clone();
-  while (k.cmpn(1) >= 0) {
-    var z;
-    if (k.isOdd()) {
-      var mod = k.andln(ws - 1);
-      if (mod > (ws >> 1) - 1)
-        z = (ws >> 1) - mod;
-      else
-        z = mod;
-      k.isubn(z);
-    } else {
-      z = 0;
-    }
-    naf.push(z);
-
-    // Optimization, shift by word if possible
-    var shift = (k.cmpn(0) !== 0 && k.andln(ws - 1) === 0) ? (w + 1) : 1;
-    for (var i = 1; i < shift; i++)
-      naf.push(0);
-    k.iushrn(shift);
-  }
-
-  return naf;
-}
-utils.getNAF = getNAF;
-
-// Represent k1, k2 in a Joint Sparse Form
-function getJSF(k1, k2) {
-  var jsf = [
-    [],
-    []
-  ];
-
-  k1 = k1.clone();
-  k2 = k2.clone();
-  var d1 = 0;
-  var d2 = 0;
-  while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) {
-
-    // First phase
-    var m14 = (k1.andln(3) + d1) & 3;
-    var m24 = (k2.andln(3) + d2) & 3;
-    if (m14 === 3)
-      m14 = -1;
-    if (m24 === 3)
-      m24 = -1;
-    var u1;
-    if ((m14 & 1) === 0) {
-      u1 = 0;
-    } else {
-      var m8 = (k1.andln(7) + d1) & 7;
-      if ((m8 === 3 || m8 === 5) && m24 === 2)
-        u1 = -m14;
-      else
-        u1 = m14;
-    }
-    jsf[0].push(u1);
-
-    var u2;
-    if ((m24 & 1) === 0) {
-      u2 = 0;
-    } else {
-      var m8 = (k2.andln(7) + d2) & 7;
-      if ((m8 === 3 || m8 === 5) && m14 === 2)
-        u2 = -m24;
-      else
-        u2 = m24;
-    }
-    jsf[1].push(u2);
-
-    // Second phase
-    if (2 * d1 === u1 + 1)
-      d1 = 1 - d1;
-    if (2 * d2 === u2 + 1)
-      d2 = 1 - d2;
-    k1.iushrn(1);
-    k2.iushrn(1);
-  }
-
-  return jsf;
-}
-utils.getJSF = getJSF;
-
-function cachedProperty(obj, computer) {
-  var name = computer.name;
-  var key = '_' + name;
-  obj.prototype[name] = function cachedProperty() {
-    return this[key] !== undefined ? this[key] :
-           this[key] = computer.call(this);
-  };
-}
-utils.cachedProperty = cachedProperty;
-
-function parseBytes(bytes) {
-  return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') :
-                                     bytes;
-}
-utils.parseBytes = parseBytes;
-
-function intFromLE(bytes) {
-  return new bn(bytes, 'hex', 'le');
-}
-utils.intFromLE = intFromLE;
-
-
-},{"bn.js":17}],81:[function(require,module,exports){
-module.exports={
-  "_args": [
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-      "elliptic@^6.0.0",
-      "/Users/david/Documents/code/ipfs/libp2p/node/peer-id/node_modules/browserify-sign"
-    ]
-  ],
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-  "_nodeVersion": "5.0.0",
-  "_npmUser": {
-    "email": "fedor@indutny.com",
-    "name": "indutny"
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-    "raw": "elliptic@^6.0.0",
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-    "/create-ecdh"
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-  "_resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.0.1.tgz",
-  "_shasum": "91d573ecb2a3c274b8c07e0d1f35ff19f07e6978",
-  "_shrinkwrap": null,
-  "_spec": "elliptic@^6.0.0",
-  "_where": "/Users/david/Documents/code/ipfs/libp2p/node/peer-id/node_modules/browserify-sign",
-  "author": {
-    "email": "fedor@indutny.com",
-    "name": "Fedor Indutny"
-  },
-  "bugs": {
-    "url": "https://github.com/indutny/elliptic/issues"
-  },
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-    "bn.js": "^4.0.0",
-    "brorand": "^1.0.1",
-    "hash.js": "^1.0.0",
-    "inherits": "^2.0.1"
-  },
-  "description": "EC cryptography",
-  "devDependencies": {
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-    "coveralls": "^2.11.3",
-    "istanbul": "^0.3.17",
-    "jscs": "^1.11.3",
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-    "mocha": "^2.1.0",
-    "uglify-js": "^2.4.13"
-  },
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-    "tarball": "http://registry.npmjs.org/elliptic/-/elliptic-6.0.1.tgz"
-  },
-  "gitHead": "a9eb628eec9a2f562e67947c5417e9b2435d0a2d",
-  "homepage": "https://github.com/indutny/elliptic",
-  "keywords": [
-    "Cryptography",
-    "EC",
-    "Elliptic",
-    "curve"
-  ],
-  "license": "MIT",
-  "main": "lib/elliptic.js",
-  "maintainers": [
-    {
-      "name": "indutny",
-      "email": "fedor@indutny.com"
-    }
-  ],
-  "name": "elliptic",
-  "optionalDependencies": {},
-  "repository": {
-    "type": "git",
-    "url": "git+ssh://git@github.com/indutny/elliptic.git"
-  },
-  "scripts": {
-    "coveralls": "cat ./coverage/lcov.info | coveralls",
-    "test": "make lint && istanbul test _mocha --reporter=spec test/*-test.js"
-  },
-  "version": "6.0.1"
-}
-
-},{}],82:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-function EventEmitter() {
-  this._events = this._events || {};
-  this._maxListeners = this._maxListeners || undefined;
-}
-module.exports = EventEmitter;
-
-// Backwards-compat with node 0.10.x
-EventEmitter.EventEmitter = EventEmitter;
-
-EventEmitter.prototype._events = undefined;
-EventEmitter.prototype._maxListeners = undefined;
-
-// By default EventEmitters will print a warning if more than 10 listeners are
-// added to it. This is a useful default which helps finding memory leaks.
-EventEmitter.defaultMaxListeners = 10;
-
-// Obviously not all Emitters should be limited to 10. This function allows
-// that to be increased. Set to zero for unlimited.
-EventEmitter.prototype.setMaxListeners = function(n) {
-  if (!isNumber(n) || n < 0 || isNaN(n))
-    throw TypeError('n must be a positive number');
-  this._maxListeners = n;
-  return this;
-};
-
-EventEmitter.prototype.emit = function(type) {
-  var er, handler, len, args, i, listeners;
-
-  if (!this._events)
-    this._events = {};
-
-  // If there is no 'error' event listener then throw.
-  if (type === 'error') {
-    if (!this._events.error ||
-        (isObject(this._events.error) && !this._events.error.length)) {
-      er = arguments[1];
-      if (er instanceof Error) {
-        throw er; // Unhandled 'error' event
-      }
-      throw TypeError('Uncaught, unspecified "error" event.');
-    }
-  }
-
-  handler = this._events[type];
-
-  if (isUndefined(handler))
-    return false;
-
-  if (isFunction(handler)) {
-    switch (arguments.length) {
-      // fast cases
-      case 1:
-        handler.call(this);
-        break;
-      case 2:
-        handler.call(this, arguments[1]);
-        break;
-      case 3:
-        handler.call(this, arguments[1], arguments[2]);
-        break;
-      // slower
-      default:
-        len = arguments.length;
-        args = new Array(len - 1);
-        for (i = 1; i < len; i++)
-          args[i - 1] = arguments[i];
-        handler.apply(this, args);
-    }
-  } else if (isObject(handler)) {
-    len = arguments.length;
-    args = new Array(len - 1);
-    for (i = 1; i < len; i++)
-      args[i - 1] = arguments[i];
-
-    listeners = handler.slice();
-    len = listeners.length;
-    for (i = 0; i < len; i++)
-      listeners[i].apply(this, args);
-  }
-
-  return true;
-};
-
-EventEmitter.prototype.addListener = function(type, listener) {
-  var m;
-
-  if (!isFunction(listener))
-    throw TypeError('listener must be a function');
-
-  if (!this._events)
-    this._events = {};
-
-  // To avoid recursion in the case that type === "newListener"! Before
-  // adding it to the listeners, first emit "newListener".
-  if (this._events.newListener)
-    this.emit('newListener', type,
-              isFunction(listener.listener) ?
-              listener.listener : listener);
-
-  if (!this._events[type])
-    // Optimize the case of one listener. Don't need the extra array object.
-    this._events[type] = listener;
-  else if (isObject(this._events[type]))
-    // If we've already got an array, just append.
-    this._events[type].push(listener);
-  else
-    // Adding the second element, need to change to array.
-    this._events[type] = [this._events[type], listener];
-
-  // Check for listener leak
-  if (isObject(this._events[type]) && !this._events[type].warned) {
-    var m;
-    if (!isUndefined(this._maxListeners)) {
-      m = this._maxListeners;
-    } else {
-      m = EventEmitter.defaultMaxListeners;
-    }
-
-    if (m && m > 0 && this._events[type].length > m) {
-      this._events[type].warned = true;
-      console.error('(node) warning: possible EventEmitter memory ' +
-                    'leak detected. %d listeners added. ' +
-                    'Use emitter.setMaxListeners() to increase limit.',
-                    this._events[type].length);
-      if (typeof console.trace === 'function') {
-        // not supported in IE 10
-        console.trace();
-      }
-    }
-  }
-
-  return this;
-};
-
-EventEmitter.prototype.on = EventEmitter.prototype.addListener;
-
-EventEmitter.prototype.once = function(type, listener) {
-  if (!isFunction(listener))
-    throw TypeError('listener must be a function');
-
-  var fired = false;
-
-  function g() {
-    this.removeListener(type, g);
-
-    if (!fired) {
-      fired = true;
-      listener.apply(this, arguments);
-    }
-  }
-
-  g.listener = listener;
-  this.on(type, g);
-
-  return this;
-};
-
-// emits a 'removeListener' event iff the listener was removed
-EventEmitter.prototype.removeListener = function(type, listener) {
-  var list, position, length, i;
-
-  if (!isFunction(listener))
-    throw TypeError('listener must be a function');
-
-  if (!this._events || !this._events[type])
-    return this;
-
-  list = this._events[type];
-  length = list.length;
-  position = -1;
-
-  if (list === listener ||
-      (isFunction(list.listener) && list.listener === listener)) {
-    delete this._events[type];
-    if (this._events.removeListener)
-      this.emit('removeListener', type, listener);
-
-  } else if (isObject(list)) {
-    for (i = length; i-- > 0;) {
-      if (list[i] === listener ||
-          (list[i].listener && list[i].listener === listener)) {
-        position = i;
-        break;
-      }
-    }
-
-    if (position < 0)
-      return this;
-
-    if (list.length === 1) {
-      list.length = 0;
-      delete this._events[type];
-    } else {
-      list.splice(position, 1);
-    }
-
-    if (this._events.removeListener)
-      this.emit('removeListener', type, listener);
-  }
-
-  return this;
-};
-
-EventEmitter.prototype.removeAllListeners = function(type) {
-  var key, listeners;
-
-  if (!this._events)
-    return this;
-
-  // not listening for removeListener, no need to emit
-  if (!this._events.removeListener) {
-    if (arguments.length === 0)
-      this._events = {};
-    else if (this._events[type])
-      delete this._events[type];
-    return this;
-  }
-
-  // emit removeListener for all listeners on all events
-  if (arguments.length === 0) {
-    for (key in this._events) {
-      if (key === 'removeListener') continue;
-      this.removeAllListeners(key);
-    }
-    this.removeAllListeners('removeListener');
-    this._events = {};
-    return this;
-  }
-
-  listeners = this._events[type];
-
-  if (isFunction(listeners)) {
-    this.removeListener(type, listeners);
-  } else {
-    // LIFO order
-    while (listeners.length)
-      this.removeListener(type, listeners[listeners.length - 1]);
-  }
-  delete this._events[type];
-
-  return this;
-};
-
-EventEmitter.prototype.listeners = function(type) {
-  var ret;
-  if (!this._events || !this._events[type])
-    ret = [];
-  else if (isFunction(this._events[type]))
-    ret = [this._events[type]];
-  else
-    ret = this._events[type].slice();
-  return ret;
-};
-
-EventEmitter.listenerCount = function(emitter, type) {
-  var ret;
-  if (!emitter._events || !emitter._events[type])
-    ret = 0;
-  else if (isFunction(emitter._events[type]))
-    ret = 1;
-  else
-    ret = emitter._events[type].length;
-  return ret;
-};
-
-function isFunction(arg) {
-  return typeof arg === 'function';
-}
-
-function isNumber(arg) {
-  return typeof arg === 'number';
-}
-
-function isObject(arg) {
-  return typeof arg === 'object' && arg !== null;
-}
-
-function isUndefined(arg) {
-  return arg === void 0;
-}
-
-},{}],83:[function(require,module,exports){
-(function (Buffer){
-var md5 = require('create-hash/md5')
-module.exports = EVP_BytesToKey
-function EVP_BytesToKey (password, salt, keyLen, ivLen) {
-  if (!Buffer.isBuffer(password)) {
-    password = new Buffer(password, 'binary')
-  }
-  if (salt && !Buffer.isBuffer(salt)) {
-    salt = new Buffer(salt, 'binary')
-  }
-  keyLen = keyLen / 8
-  ivLen = ivLen || 0
-  var ki = 0
-  var ii = 0
-  var key = new Buffer(keyLen)
-  var iv = new Buffer(ivLen)
-  var addmd = 0
-  var md_buf
-  var i
-  var bufs = []
-  while (true) {
-    if (addmd++ > 0) {
-      bufs.push(md_buf)
-    }
-    bufs.push(password)
-    if (salt) {
-      bufs.push(salt)
-    }
-    md_buf = md5(Buffer.concat(bufs))
-    bufs = []
-    i = 0
-    if (keyLen > 0) {
-      while (true) {
-        if (keyLen === 0) {
-          break
-        }
-        if (i === md_buf.length) {
-          break
-        }
-        key[ki++] = md_buf[i]
-        keyLen--
-        i++
-      }
-    }
-    if (ivLen > 0 && i !== md_buf.length) {
-      while (true) {
-        if (ivLen === 0) {
-          break
-        }
-        if (i === md_buf.length) {
-          break
-        }
-        iv[ii++] = md_buf[i]
-        ivLen--
-        i++
-      }
-    }
-    if (keyLen === 0 && ivLen === 0) {
-      break
-    }
-  }
-  for (i = 0; i < md_buf.length; i++) {
-    md_buf[i] = 0
-  }
-  return {
-    key: key,
-    iv: iv
-  }
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"create-hash/md5":52}],84:[function(require,module,exports){
-var hash = exports;
-
-hash.utils = require('./hash/utils');
-hash.common = require('./hash/common');
-hash.sha = require('./hash/sha');
-hash.ripemd = require('./hash/ripemd');
-hash.hmac = require('./hash/hmac');
-
-// Proxy hash functions to the main object
-hash.sha1 = hash.sha.sha1;
-hash.sha256 = hash.sha.sha256;
-hash.sha224 = hash.sha.sha224;
-hash.sha384 = hash.sha.sha384;
-hash.sha512 = hash.sha.sha512;
-hash.ripemd160 = hash.ripemd.ripemd160;
-
-},{"./hash/common":85,"./hash/hmac":86,"./hash/ripemd":87,"./hash/sha":88,"./hash/utils":89}],85:[function(require,module,exports){
-var hash = require('../hash');
-var utils = hash.utils;
-var assert = utils.assert;
-
-function BlockHash() {
-  this.pending = null;
-  this.pendingTotal = 0;
-  this.blockSize = this.constructor.blockSize;
-  this.outSize = this.constructor.outSize;
-  this.hmacStrength = this.constructor.hmacStrength;
-  this.padLength = this.constructor.padLength / 8;
-  this.endian = 'big';
-
-  this._delta8 = this.blockSize / 8;
-  this._delta32 = this.blockSize / 32;
-}
-exports.BlockHash = BlockHash;
-
-BlockHash.prototype.update = function update(msg, enc) {
-  // Convert message to array, pad it, and join into 32bit blocks
-  msg = utils.toArray(msg, enc);
-  if (!this.pending)
-    this.pending = msg;
-  else
-    this.pending = this.pending.concat(msg);
-  this.pendingTotal += msg.length;
-
-  // Enough data, try updating
-  if (this.pending.length >= this._delta8) {
-    msg = this.pending;
-
-    // Process pending data in blocks
-    var r = msg.length % this._delta8;
-    this.pending = msg.slice(msg.length - r, msg.length);
-    if (this.pending.length === 0)
-      this.pending = null;
-
-    msg = utils.join32(msg, 0, msg.length - r, this.endian);
-    for (var i = 0; i < msg.length; i += this._delta32)
-      this._update(msg, i, i + this._delta32);
-  }
-
-  return this;
-};
-
-BlockHash.prototype.digest = function digest(enc) {
-  this.update(this._pad());
-  assert(this.pending === null);
-
-  return this._digest(enc);
-};
-
-BlockHash.prototype._pad = function pad() {
-  var len = this.pendingTotal;
-  var bytes = this._delta8;
-  var k = bytes - ((len + this.padLength) % bytes);
-  var res = new Array(k + this.padLength);
-  res[0] = 0x80;
-  for (var i = 1; i < k; i++)
-    res[i] = 0;
-
-  // Append length
-  len <<= 3;
-  if (this.endian === 'big') {
-    for (var t = 8; t < this.padLength; t++)
-      res[i++] = 0;
-
-    res[i++] = 0;
-    res[i++] = 0;
-    res[i++] = 0;
-    res[i++] = 0;
-    res[i++] = (len >>> 24) & 0xff;
-    res[i++] = (len >>> 16) & 0xff;
-    res[i++] = (len >>> 8) & 0xff;
-    res[i++] = len & 0xff;
-  } else {
-    res[i++] = len & 0xff;
-    res[i++] = (len >>> 8) & 0xff;
-    res[i++] = (len >>> 16) & 0xff;
-    res[i++] = (len >>> 24) & 0xff;
-    res[i++] = 0;
-    res[i++] = 0;
-    res[i++] = 0;
-    res[i++] = 0;
-
-    for (var t = 8; t < this.padLength; t++)
-      res[i++] = 0;
-  }
-
-  return res;
-};
-
-},{"../hash":84}],86:[function(require,module,exports){
-var hmac = exports;
-
-var hash = require('../hash');
-var utils = hash.utils;
-var assert = utils.assert;
-
-function Hmac(hash, key, enc) {
-  if (!(this instanceof Hmac))
-    return new Hmac(hash, key, enc);
-  this.Hash = hash;
-  this.blockSize = hash.blockSize / 8;
-  this.outSize = hash.outSize / 8;
-  this.inner = null;
-  this.outer = null;
-
-  this._init(utils.toArray(key, enc));
-}
-module.exports = Hmac;
-
-Hmac.prototype._init = function init(key) {
-  // Shorten key, if needed
-  if (key.length > this.blockSize)
-    key = new this.Hash().update(key).digest();
-  assert(key.length <= this.blockSize);
-
-  // Add padding to key
-  for (var i = key.length; i < this.blockSize; i++)
-    key.push(0);
-
-  for (var i = 0; i < key.length; i++)
-    key[i] ^= 0x36;
-  this.inner = new this.Hash().update(key);
-
-  // 0x36 ^ 0x5c = 0x6a
-  for (var i = 0; i < key.length; i++)
-    key[i] ^= 0x6a;
-  this.outer = new this.Hash().update(key);
-};
-
-Hmac.prototype.update = function update(msg, enc) {
-  this.inner.update(msg, enc);
-  return this;
-};
-
-Hmac.prototype.digest = function digest(enc) {
-  this.outer.update(this.inner.digest());
-  return this.outer.digest(enc);
-};
-
-},{"../hash":84}],87:[function(require,module,exports){
-var hash = require('../hash');
-var utils = hash.utils;
-
-var rotl32 = utils.rotl32;
-var sum32 = utils.sum32;
-var sum32_3 = utils.sum32_3;
-var sum32_4 = utils.sum32_4;
-var BlockHash = hash.common.BlockHash;
-
-function RIPEMD160() {
-  if (!(this instanceof RIPEMD160))
-    return new RIPEMD160();
-
-  BlockHash.call(this);
-
-  this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ];
-  this.endian = 'little';
-}
-utils.inherits(RIPEMD160, BlockHash);
-exports.ripemd160 = RIPEMD160;
-
-RIPEMD160.blockSize = 512;
-RIPEMD160.outSize = 160;
-RIPEMD160.hmacStrength = 192;
-RIPEMD160.padLength = 64;
-
-RIPEMD160.prototype._update = function update(msg, start) {
-  var A = this.h[0];
-  var B = this.h[1];
-  var C = this.h[2];
-  var D = this.h[3];
-  var E = this.h[4];
-  var Ah = A;
-  var Bh = B;
-  var Ch = C;
-  var Dh = D;
-  var Eh = E;
-  for (var j = 0; j < 80; j++) {
-    var T = sum32(
-      rotl32(
-        sum32_4(A, f(j, B, C, D), msg[r[j] + start], K(j)),
-        s[j]),
-      E);
-    A = E;
-    E = D;
-    D = rotl32(C, 10);
-    C = B;
-    B = T;
-    T = sum32(
-      rotl32(
-        sum32_4(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)),
-        sh[j]),
-      Eh);
-    Ah = Eh;
-    Eh = Dh;
-    Dh = rotl32(Ch, 10);
-    Ch = Bh;
-    Bh = T;
-  }
-  T = sum32_3(this.h[1], C, Dh);
-  this.h[1] = sum32_3(this.h[2], D, Eh);
-  this.h[2] = sum32_3(this.h[3], E, Ah);
-  this.h[3] = sum32_3(this.h[4], A, Bh);
-  this.h[4] = sum32_3(this.h[0], B, Ch);
-  this.h[0] = T;
-};
-
-RIPEMD160.prototype._digest = function digest(enc) {
-  if (enc === 'hex')
-    return utils.toHex32(this.h, 'little');
-  else
-    return utils.split32(this.h, 'little');
-};
-
-function f(j, x, y, z) {
-  if (j <= 15)
-    return x ^ y ^ z;
-  else if (j <= 31)
-    return (x & y) | ((~x) & z);
-  else if (j <= 47)
-    return (x | (~y)) ^ z;
-  else if (j <= 63)
-    return (x & z) | (y & (~z));
-  else
-    return x ^ (y | (~z));
-}
-
-function K(j) {
-  if (j <= 15)
-    return 0x00000000;
-  else if (j <= 31)
-    return 0x5a827999;
-  else if (j <= 47)
-    return 0x6ed9eba1;
-  else if (j <= 63)
-    return 0x8f1bbcdc;
-  else
-    return 0xa953fd4e;
-}
-
-function Kh(j) {
-  if (j <= 15)
-    return 0x50a28be6;
-  else if (j <= 31)
-    return 0x5c4dd124;
-  else if (j <= 47)
-    return 0x6d703ef3;
-  else if (j <= 63)
-    return 0x7a6d76e9;
-  else
-    return 0x00000000;
-}
-
-var r = [
-  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
-  7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
-  3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
-  1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
-  4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
-];
-
-var rh = [
-  5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
-  6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
-  15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
-  8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
-  12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
-];
-
-var s = [
-  11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
-  7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
-  11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
-  11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
-  9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
-];
-
-var sh = [
-  8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
-  9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
-  9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
-  15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
-  8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
-];
-
-},{"../hash":84}],88:[function(require,module,exports){
-var hash = require('../hash');
-var utils = hash.utils;
-var assert = utils.assert;
-
-var rotr32 = utils.rotr32;
-var rotl32 = utils.rotl32;
-var sum32 = utils.sum32;
-var sum32_4 = utils.sum32_4;
-var sum32_5 = utils.sum32_5;
-var rotr64_hi = utils.rotr64_hi;
-var rotr64_lo = utils.rotr64_lo;
-var shr64_hi = utils.shr64_hi;
-var shr64_lo = utils.shr64_lo;
-var sum64 = utils.sum64;
-var sum64_hi = utils.sum64_hi;
-var sum64_lo = utils.sum64_lo;
-var sum64_4_hi = utils.sum64_4_hi;
-var sum64_4_lo = utils.sum64_4_lo;
-var sum64_5_hi = utils.sum64_5_hi;
-var sum64_5_lo = utils.sum64_5_lo;
-var BlockHash = hash.common.BlockHash;
-
-var sha256_K = [
-  0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
-  0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
-  0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
-  0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
-  0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
-  0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
-  0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
-  0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
-  0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
-  0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
-  0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
-  0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
-  0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
-  0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
-  0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
-  0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
-];
-
-var sha512_K = [
-  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
-  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
-  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
-  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
-  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
-  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
-  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
-  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
-  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
-  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
-  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
-  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
-  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
-  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
-  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
-  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
-  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
-  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
-  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
-  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
-  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
-  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
-  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
-  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
-  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
-  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
-  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
-  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
-  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
-  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
-  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
-  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
-  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
-  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
-  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
-  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
-  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
-  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
-  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
-  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
-];
-
-var sha1_K = [
-  0x5A827999, 0x6ED9EBA1,
-  0x8F1BBCDC, 0xCA62C1D6
-];
-
-function SHA256() {
-  if (!(this instanceof SHA256))
-    return new SHA256();
-
-  BlockHash.call(this);
-  this.h = [ 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
-             0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 ];
-  this.k = sha256_K;
-  this.W = new Array(64);
-}
-utils.inherits(SHA256, BlockHash);
-exports.sha256 = SHA256;
-
-SHA256.blockSize = 512;
-SHA256.outSize = 256;
-SHA256.hmacStrength = 192;
-SHA256.padLength = 64;
-
-SHA256.prototype._update = function _update(msg, start) {
-  var W = this.W;
-
-  for (var i = 0; i < 16; i++)
-    W[i] = msg[start + i];
-  for (; i < W.length; i++)
-    W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]);
-
-  var a = this.h[0];
-  var b = this.h[1];
-  var c = this.h[2];
-  var d = this.h[3];
-  var e = this.h[4];
-  var f = this.h[5];
-  var g = this.h[6];
-  var h = this.h[7];
-
-  assert(this.k.length === W.length);
-  for (var i = 0; i < W.length; i++) {
-    var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]);
-    var T2 = sum32(s0_256(a), maj32(a, b, c));
-    h = g;
-    g = f;
-    f = e;
-    e = sum32(d, T1);
-    d = c;
-    c = b;
-    b = a;
-    a = sum32(T1, T2);
-  }
-
-  this.h[0] = sum32(this.h[0], a);
-  this.h[1] = sum32(this.h[1], b);
-  this.h[2] = sum32(this.h[2], c);
-  this.h[3] = sum32(this.h[3], d);
-  this.h[4] = sum32(this.h[4], e);
-  this.h[5] = sum32(this.h[5], f);
-  this.h[6] = sum32(this.h[6], g);
-  this.h[7] = sum32(this.h[7], h);
-};
-
-SHA256.prototype._digest = function digest(enc) {
-  if (enc === 'hex')
-    return utils.toHex32(this.h, 'big');
-  else
-    return utils.split32(this.h, 'big');
-};
-
-function SHA224() {
-  if (!(this instanceof SHA224))
-    return new SHA224();
-
-  SHA256.call(this);
-  this.h = [ 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
-             0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ];
-}
-utils.inherits(SHA224, SHA256);
-exports.sha224 = SHA224;
-
-SHA224.blockSize = 512;
-SHA224.outSize = 224;
-SHA224.hmacStrength = 192;
-SHA224.padLength = 64;
-
-SHA224.prototype._digest = function digest(enc) {
-  // Just truncate output
-  if (enc === 'hex')
-    return utils.toHex32(this.h.slice(0, 7), 'big');
-  else
-    return utils.split32(this.h.slice(0, 7), 'big');
-};
-
-function SHA512() {
-  if (!(this instanceof SHA512))
-    return new SHA512();
-
-  BlockHash.call(this);
-  this.h = [ 0x6a09e667, 0xf3bcc908,
-             0xbb67ae85, 0x84caa73b,
-             0x3c6ef372, 0xfe94f82b,
-             0xa54ff53a, 0x5f1d36f1,
-             0x510e527f, 0xade682d1,
-             0x9b05688c, 0x2b3e6c1f,
-             0x1f83d9ab, 0xfb41bd6b,
-             0x5be0cd19, 0x137e2179 ];
-  this.k = sha512_K;
-  this.W = new Array(160);
-}
-utils.inherits(SHA512, BlockHash);
-exports.sha512 = SHA512;
-
-SHA512.blockSize = 1024;
-SHA512.outSize = 512;
-SHA512.hmacStrength = 192;
-SHA512.padLength = 128;
-
-SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) {
-  var W = this.W;
-
-  // 32 x 32bit words
-  for (var i = 0; i < 32; i++)
-    W[i] = msg[start + i];
-  for (; i < W.length; i += 2) {
-    var c0_hi = g1_512_hi(W[i - 4], W[i - 3]);  // i - 2
-    var c0_lo = g1_512_lo(W[i - 4], W[i - 3]);
-    var c1_hi = W[i - 14];  // i - 7
-    var c1_lo = W[i - 13];
-    var c2_hi = g0_512_hi(W[i - 30], W[i - 29]);  // i - 15
-    var c2_lo = g0_512_lo(W[i - 30], W[i - 29]);
-    var c3_hi = W[i - 32];  // i - 16
-    var c3_lo = W[i - 31];
-
-    W[i] = sum64_4_hi(c0_hi, c0_lo,
-                      c1_hi, c1_lo,
-                      c2_hi, c2_lo,
-                      c3_hi, c3_lo);
-    W[i + 1] = sum64_4_lo(c0_hi, c0_lo,
-                          c1_hi, c1_lo,
-                          c2_hi, c2_lo,
-                          c3_hi, c3_lo);
-  }
-};
-
-SHA512.prototype._update = function _update(msg, start) {
-  this._prepareBlock(msg, start);
-
-  var W = this.W;
-
-  var ah = this.h[0];
-  var al = this.h[1];
-  var bh = this.h[2];
-  var bl = this.h[3];
-  var ch = this.h[4];
-  var cl = this.h[5];
-  var dh = this.h[6];
-  var dl = this.h[7];
-  var eh = this.h[8];
-  var el = this.h[9];
-  var fh = this.h[10];
-  var fl = this.h[11];
-  var gh = this.h[12];
-  var gl = this.h[13];
-  var hh = this.h[14];
-  var hl = this.h[15];
-
-  assert(this.k.length === W.length);
-  for (var i = 0; i < W.length; i += 2) {
-    var c0_hi = hh;
-    var c0_lo = hl;
-    var c1_hi = s1_512_hi(eh, el);
-    var c1_lo = s1_512_lo(eh, el);
-    var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl);
-    var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl);
-    var c3_hi = this.k[i];
-    var c3_lo = this.k[i + 1];
-    var c4_hi = W[i];
-    var c4_lo = W[i + 1];
-
-    var T1_hi = sum64_5_hi(c0_hi, c0_lo,
-                           c1_hi, c1_lo,
-                           c2_hi, c2_lo,
-                           c3_hi, c3_lo,
-                           c4_hi, c4_lo);
-    var T1_lo = sum64_5_lo(c0_hi, c0_lo,
-                           c1_hi, c1_lo,
-                           c2_hi, c2_lo,
-                           c3_hi, c3_lo,
-                           c4_hi, c4_lo);
-
-    var c0_hi = s0_512_hi(ah, al);
-    var c0_lo = s0_512_lo(ah, al);
-    var c1_hi = maj64_hi(ah, al, bh, bl, ch, cl);
-    var c1_lo = maj64_lo(ah, al, bh, bl, ch, cl);
-
-    var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo);
-    var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo);
-
-    hh = gh;
-    hl = gl;
-
-    gh = fh;
-    gl = fl;
-
-    fh = eh;
-    fl = el;
-
-    eh = sum64_hi(dh, dl, T1_hi, T1_lo);
-    el = sum64_lo(dl, dl, T1_hi, T1_lo);
-
-    dh = ch;
-    dl = cl;
-
-    ch = bh;
-    cl = bl;
-
-    bh = ah;
-    bl = al;
-
-    ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo);
-    al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo);
-  }
-
-  sum64(this.h, 0, ah, al);
-  sum64(this.h, 2, bh, bl);
-  sum64(this.h, 4, ch, cl);
-  sum64(this.h, 6, dh, dl);
-  sum64(this.h, 8, eh, el);
-  sum64(this.h, 10, fh, fl);
-  sum64(this.h, 12, gh, gl);
-  sum64(this.h, 14, hh, hl);
-};
-
-SHA512.prototype._digest = function digest(enc) {
-  if (enc === 'hex')
-    return utils.toHex32(this.h, 'big');
-  else
-    return utils.split32(this.h, 'big');
-};
-
-function SHA384() {
-  if (!(this instanceof SHA384))
-    return new SHA384();
-
-  SHA512.call(this);
-  this.h = [ 0xcbbb9d5d, 0xc1059ed8,
-             0x629a292a, 0x367cd507,
-             0x9159015a, 0x3070dd17,
-             0x152fecd8, 0xf70e5939,
-             0x67332667, 0xffc00b31,
-             0x8eb44a87, 0x68581511,
-             0xdb0c2e0d, 0x64f98fa7,
-             0x47b5481d, 0xbefa4fa4 ];
-}
-utils.inherits(SHA384, SHA512);
-exports.sha384 = SHA384;
-
-SHA384.blockSize = 1024;
-SHA384.outSize = 384;
-SHA384.hmacStrength = 192;
-SHA384.padLength = 128;
-
-SHA384.prototype._digest = function digest(enc) {
-  if (enc === 'hex')
-    return utils.toHex32(this.h.slice(0, 12), 'big');
-  else
-    return utils.split32(this.h.slice(0, 12), 'big');
-};
-
-function SHA1() {
-  if (!(this instanceof SHA1))
-    return new SHA1();
-
-  BlockHash.call(this);
-  this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe,
-             0x10325476, 0xc3d2e1f0 ];
-  this.W = new Array(80);
-}
-
-utils.inherits(SHA1, BlockHash);
-exports.sha1 = SHA1;
-
-SHA1.blockSize = 512;
-SHA1.outSize = 160;
-SHA1.hmacStrength = 80;
-SHA1.padLength = 64;
-
-SHA1.prototype._update = function _update(msg, start) {
-  var W = this.W;
-
-  for (var i = 0; i < 16; i++)
-    W[i] = msg[start + i];
-
-  for(; i < W.length; i++)
-    W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
-
-  var a = this.h[0];
-  var b = this.h[1];
-  var c = this.h[2];
-  var d = this.h[3];
-  var e = this.h[4];
-
-  for (var i = 0; i < W.length; i++) {
-    var s = ~~(i / 20);
-    var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]);
-    e = d;
-    d = c;
-    c = rotl32(b, 30);
-    b = a;
-    a = t;
-  }
-
-  this.h[0] = sum32(this.h[0], a);
-  this.h[1] = sum32(this.h[1], b);
-  this.h[2] = sum32(this.h[2], c);
-  this.h[3] = sum32(this.h[3], d);
-  this.h[4] = sum32(this.h[4], e);
-};
-
-SHA1.prototype._digest = function digest(enc) {
-  if (enc === 'hex')
-    return utils.toHex32(this.h, 'big');
-  else
-    return utils.split32(this.h, 'big');
-};
-
-function ch32(x, y, z) {
-  return (x & y) ^ ((~x) & z);
-}
-
-function maj32(x, y, z) {
-  return (x & y) ^ (x & z) ^ (y & z);
-}
-
-function p32(x, y, z) {
-  return x ^ y ^ z;
-}
-
-function s0_256(x) {
-  return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22);
-}
-
-function s1_256(x) {
-  return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25);
-}
-
-function g0_256(x) {
-  return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3);
-}
-
-function g1_256(x) {
-  return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10);
-}
-
-function ft_1(s, x, y, z) {
-  if (s === 0)
-    return ch32(x, y, z);
-  if (s === 1 || s === 3)
-    return p32(x, y, z);
-  if (s === 2)
-    return maj32(x, y, z);
-}
-
-function ch64_hi(xh, xl, yh, yl, zh, zl) {
-  var r = (xh & yh) ^ ((~xh) & zh);
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function ch64_lo(xh, xl, yh, yl, zh, zl) {
-  var r = (xl & yl) ^ ((~xl) & zl);
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function maj64_hi(xh, xl, yh, yl, zh, zl) {
-  var r = (xh & yh) ^ (xh & zh) ^ (yh & zh);
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function maj64_lo(xh, xl, yh, yl, zh, zl) {
-  var r = (xl & yl) ^ (xl & zl) ^ (yl & zl);
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function s0_512_hi(xh, xl) {
-  var c0_hi = rotr64_hi(xh, xl, 28);
-  var c1_hi = rotr64_hi(xl, xh, 2);  // 34
-  var c2_hi = rotr64_hi(xl, xh, 7);  // 39
-
-  var r = c0_hi ^ c1_hi ^ c2_hi;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function s0_512_lo(xh, xl) {
-  var c0_lo = rotr64_lo(xh, xl, 28);
-  var c1_lo = rotr64_lo(xl, xh, 2);  // 34
-  var c2_lo = rotr64_lo(xl, xh, 7);  // 39
-
-  var r = c0_lo ^ c1_lo ^ c2_lo;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function s1_512_hi(xh, xl) {
-  var c0_hi = rotr64_hi(xh, xl, 14);
-  var c1_hi = rotr64_hi(xh, xl, 18);
-  var c2_hi = rotr64_hi(xl, xh, 9);  // 41
-
-  var r = c0_hi ^ c1_hi ^ c2_hi;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function s1_512_lo(xh, xl) {
-  var c0_lo = rotr64_lo(xh, xl, 14);
-  var c1_lo = rotr64_lo(xh, xl, 18);
-  var c2_lo = rotr64_lo(xl, xh, 9);  // 41
-
-  var r = c0_lo ^ c1_lo ^ c2_lo;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function g0_512_hi(xh, xl) {
-  var c0_hi = rotr64_hi(xh, xl, 1);
-  var c1_hi = rotr64_hi(xh, xl, 8);
-  var c2_hi = shr64_hi(xh, xl, 7);
-
-  var r = c0_hi ^ c1_hi ^ c2_hi;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function g0_512_lo(xh, xl) {
-  var c0_lo = rotr64_lo(xh, xl, 1);
-  var c1_lo = rotr64_lo(xh, xl, 8);
-  var c2_lo = shr64_lo(xh, xl, 7);
-
-  var r = c0_lo ^ c1_lo ^ c2_lo;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function g1_512_hi(xh, xl) {
-  var c0_hi = rotr64_hi(xh, xl, 19);
-  var c1_hi = rotr64_hi(xl, xh, 29);  // 61
-  var c2_hi = shr64_hi(xh, xl, 6);
-
-  var r = c0_hi ^ c1_hi ^ c2_hi;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-function g1_512_lo(xh, xl) {
-  var c0_lo = rotr64_lo(xh, xl, 19);
-  var c1_lo = rotr64_lo(xl, xh, 29);  // 61
-  var c2_lo = shr64_lo(xh, xl, 6);
-
-  var r = c0_lo ^ c1_lo ^ c2_lo;
-  if (r < 0)
-    r += 0x100000000;
-  return r;
-}
-
-},{"../hash":84}],89:[function(require,module,exports){
-var utils = exports;
-var inherits = require('inherits');
-
-function toArray(msg, enc) {
-  if (Array.isArray(msg))
-    return msg.slice();
-  if (!msg)
-    return [];
-  var res = [];
-  if (typeof msg === 'string') {
-    if (!enc) {
-      for (var i = 0; i < msg.length; i++) {
-        var c = msg.charCodeAt(i);
-        var hi = c >> 8;
-        var lo = c & 0xff;
-        if (hi)
-          res.push(hi, lo);
-        else
-          res.push(lo);
-      }
-    } else if (enc === 'hex') {
-      msg = msg.replace(/[^a-z0-9]+/ig, '');
-      if (msg.length % 2 !== 0)
-        msg = '0' + msg;
-      for (var i = 0; i < msg.length; i += 2)
-        res.push(parseInt(msg[i] + msg[i + 1], 16));
-    }
-  } else {
-    for (var i = 0; i < msg.length; i++)
-      res[i] = msg[i] | 0;
-  }
-  return res;
-}
-utils.toArray = toArray;
-
-function toHex(msg) {
-  var res = '';
-  for (var i = 0; i < msg.length; i++)
-    res += zero2(msg[i].toString(16));
-  return res;
-}
-utils.toHex = toHex;
-
-function htonl(w) {
-  var res = (w >>> 24) |
-            ((w >>> 8) & 0xff00) |
-            ((w << 8) & 0xff0000) |
-            ((w & 0xff) << 24);
-  return res >>> 0;
-}
-utils.htonl = htonl;
-
-function toHex32(msg, endian) {
-  var res = '';
-  for (var i = 0; i < msg.length; i++) {
-    var w = msg[i];
-    if (endian === 'little')
-      w = htonl(w);
-    res += zero8(w.toString(16));
-  }
-  return res;
-}
-utils.toHex32 = toHex32;
-
-function zero2(word) {
-  if (word.length === 1)
-    return '0' + word;
-  else
-    return word;
-}
-utils.zero2 = zero2;
-
-function zero8(word) {
-  if (word.length === 7)
-    return '0' + word;
-  else if (word.length === 6)
-    return '00' + word;
-  else if (word.length === 5)
-    return '000' + word;
-  else if (word.length === 4)
-    return '0000' + word;
-  else if (word.length === 3)
-    return '00000' + word;
-  else if (word.length === 2)
-    return '000000' + word;
-  else if (word.length === 1)
-    return '0000000' + word;
-  else
-    return word;
-}
-utils.zero8 = zero8;
-
-function join32(msg, start, end, endian) {
-  var len = end - start;
-  assert(len % 4 === 0);
-  var res = new Array(len / 4);
-  for (var i = 0, k = start; i < res.length; i++, k += 4) {
-    var w;
-    if (endian === 'big')
-      w = (msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3];
-    else
-      w = (msg[k + 3] << 24) | (msg[k + 2] << 16) | (msg[k + 1] << 8) | msg[k];
-    res[i] = w >>> 0;
-  }
-  return res;
-}
-utils.join32 = join32;
-
-function split32(msg, endian) {
-  var res = new Array(msg.length * 4);
-  for (var i = 0, k = 0; i < msg.length; i++, k += 4) {
-    var m = msg[i];
-    if (endian === 'big') {
-      res[k] = m >>> 24;
-      res[k + 1] = (m >>> 16) & 0xff;
-      res[k + 2] = (m >>> 8) & 0xff;
-      res[k + 3] = m & 0xff;
-    } else {
-      res[k + 3] = m >>> 24;
-      res[k + 2] = (m >>> 16) & 0xff;
-      res[k + 1] = (m >>> 8) & 0xff;
-      res[k] = m & 0xff;
-    }
-  }
-  return res;
-}
-utils.split32 = split32;
-
-function rotr32(w, b) {
-  return (w >>> b) | (w << (32 - b));
-}
-utils.rotr32 = rotr32;
-
-function rotl32(w, b) {
-  return (w << b) | (w >>> (32 - b));
-}
-utils.rotl32 = rotl32;
-
-function sum32(a, b) {
-  return (a + b) >>> 0;
-}
-utils.sum32 = sum32;
-
-function sum32_3(a, b, c) {
-  return (a + b + c) >>> 0;
-}
-utils.sum32_3 = sum32_3;
-
-function sum32_4(a, b, c, d) {
-  return (a + b + c + d) >>> 0;
-}
-utils.sum32_4 = sum32_4;
-
-function sum32_5(a, b, c, d, e) {
-  return (a + b + c + d + e) >>> 0;
-}
-utils.sum32_5 = sum32_5;
-
-function assert(cond, msg) {
-  if (!cond)
-    throw new Error(msg || 'Assertion failed');
-}
-utils.assert = assert;
-
-utils.inherits = inherits;
-
-function sum64(buf, pos, ah, al) {
-  var bh = buf[pos];
-  var bl = buf[pos + 1];
-
-  var lo = (al + bl) >>> 0;
-  var hi = (lo < al ? 1 : 0) + ah + bh;
-  buf[pos] = hi >>> 0;
-  buf[pos + 1] = lo;
-}
-exports.sum64 = sum64;
-
-function sum64_hi(ah, al, bh, bl) {
-  var lo = (al + bl) >>> 0;
-  var hi = (lo < al ? 1 : 0) + ah + bh;
-  return hi >>> 0;
-};
-exports.sum64_hi = sum64_hi;
-
-function sum64_lo(ah, al, bh, bl) {
-  var lo = al + bl;
-  return lo >>> 0;
-};
-exports.sum64_lo = sum64_lo;
-
-function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) {
-  var carry = 0;
-  var lo = al;
-  lo = (lo + bl) >>> 0;
-  carry += lo < al ? 1 : 0;
-  lo = (lo + cl) >>> 0;
-  carry += lo < cl ? 1 : 0;
-  lo = (lo + dl) >>> 0;
-  carry += lo < dl ? 1 : 0;
-
-  var hi = ah + bh + ch + dh + carry;
-  return hi >>> 0;
-};
-exports.sum64_4_hi = sum64_4_hi;
-
-function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) {
-  var lo = al + bl + cl + dl;
-  return lo >>> 0;
-};
-exports.sum64_4_lo = sum64_4_lo;
-
-function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
-  var carry = 0;
-  var lo = al;
-  lo = (lo + bl) >>> 0;
-  carry += lo < al ? 1 : 0;
-  lo = (lo + cl) >>> 0;
-  carry += lo < cl ? 1 : 0;
-  lo = (lo + dl) >>> 0;
-  carry += lo < dl ? 1 : 0;
-  lo = (lo + el) >>> 0;
-  carry += lo < el ? 1 : 0;
-
-  var hi = ah + bh + ch + dh + eh + carry;
-  return hi >>> 0;
-};
-exports.sum64_5_hi = sum64_5_hi;
-
-function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
-  var lo = al + bl + cl + dl + el;
-
-  return lo >>> 0;
-};
-exports.sum64_5_lo = sum64_5_lo;
-
-function rotr64_hi(ah, al, num) {
-  var r = (al << (32 - num)) | (ah >>> num);
-  return r >>> 0;
-};
-exports.rotr64_hi = rotr64_hi;
-
-function rotr64_lo(ah, al, num) {
-  var r = (ah << (32 - num)) | (al >>> num);
-  return r >>> 0;
-};
-exports.rotr64_lo = rotr64_lo;
-
-function shr64_hi(ah, al, num) {
-  return ah >>> num;
-};
-exports.shr64_hi = shr64_hi;
-
-function shr64_lo(ah, al, num) {
-  var r = (ah << (32 - num)) | (al >>> num);
-  return r >>> 0;
-};
-exports.shr64_lo = shr64_lo;
-
-},{"inherits":92}],90:[function(require,module,exports){
-exports.read = function (buffer, offset, isLE, mLen, nBytes) {
-  var e, m
-  var eLen = nBytes * 8 - mLen - 1
-  var eMax = (1 << eLen) - 1
-  var eBias = eMax >> 1
-  var nBits = -7
-  var i = isLE ? (nBytes - 1) : 0
-  var d = isLE ? -1 : 1
-  var s = buffer[offset + i]
-
-  i += d
-
-  e = s & ((1 << (-nBits)) - 1)
-  s >>= (-nBits)
-  nBits += eLen
-  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
-
-  m = e & ((1 << (-nBits)) - 1)
-  e >>= (-nBits)
-  nBits += mLen
-  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
-
-  if (e === 0) {
-    e = 1 - eBias
-  } else if (e === eMax) {
-    return m ? NaN : ((s ? -1 : 1) * Infinity)
-  } else {
-    m = m + Math.pow(2, mLen)
-    e = e - eBias
-  }
-  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
-}
-
-exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
-  var e, m, c
-  var eLen = nBytes * 8 - mLen - 1
-  var eMax = (1 << eLen) - 1
-  var eBias = eMax >> 1
-  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
-  var i = isLE ? 0 : (nBytes - 1)
-  var d = isLE ? 1 : -1
-  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
-
-  value = Math.abs(value)
-
-  if (isNaN(value) || value === Infinity) {
-    m = isNaN(value) ? 1 : 0
-    e = eMax
-  } else {
-    e = Math.floor(Math.log(value) / Math.LN2)
-    if (value * (c = Math.pow(2, -e)) < 1) {
-      e--
-      c *= 2
-    }
-    if (e + eBias >= 1) {
-      value += rt / c
-    } else {
-      value += rt * Math.pow(2, 1 - eBias)
-    }
-    if (value * c >= 2) {
-      e++
-      c /= 2
-    }
-
-    if (e + eBias >= eMax) {
-      m = 0
-      e = eMax
-    } else if (e + eBias >= 1) {
-      m = (value * c - 1) * Math.pow(2, mLen)
-      e = e + eBias
-    } else {
-      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
-      e = 0
-    }
-  }
-
-  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
-
-  e = (e << mLen) | m
-  eLen += mLen
-  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
-
-  buffer[offset + i - d] |= s * 128
-}
-
-},{}],91:[function(require,module,exports){
-
-var indexOf = [].indexOf;
-
-module.exports = function(arr, obj){
-  if (indexOf) return arr.indexOf(obj);
-  for (var i = 0; i < arr.length; ++i) {
-    if (arr[i] === obj) return i;
-  }
-  return -1;
-};
-},{}],92:[function(require,module,exports){
-if (typeof Object.create === 'function') {
-  // implementation from standard node.js 'util' module
-  module.exports = function inherits(ctor, superCtor) {
-    ctor.super_ = superCtor
-    ctor.prototype = Object.create(superCtor.prototype, {
-      constructor: {
-        value: ctor,
-        enumerable: false,
-        writable: true,
-        configurable: true
-      }
-    });
-  };
-} else {
-  // old school shim for old browsers
-  module.exports = function inherits(ctor, superCtor) {
-    ctor.super_ = superCtor
-    var TempCtor = function () {}
-    TempCtor.prototype = superCtor.prototype
-    ctor.prototype = new TempCtor()
-    ctor.prototype.constructor = ctor
-  }
-}
-
-},{}],93:[function(require,module,exports){
-"use strict"
-
-function invert(hash) {
-  var result = {}
-  for(var i in hash) {
-    if(hash.hasOwnProperty(i)) {
-      result[hash[i]] = i
-    }
-  }
-  return result
-}
-
-module.exports = invert
-},{}],94:[function(require,module,exports){
-
-/**
- * isArray
- */
-
-var isArray = Array.isArray;
-
-/**
- * toString
- */
-
-var str = Object.prototype.toString;
-
-/**
- * Whether or not the given `val`
- * is an array.
- *
- * example:
- *
- *        isArray([]);
- *        // > true
- *        isArray(arguments);
- *        // > false
- *        isArray('');
- *        // > false
- *
- * @param {mixed} val
- * @return {bool}
- */
-
-module.exports = isArray || function (val) {
-  return !! val && '[object Array]' == str.call(val);
-};
-
-},{}],95:[function(require,module,exports){
-/**
- * Determine if an object is Buffer
- *
- * Author:   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
- * License:  MIT
- *
- * `npm install is-buffer`
- */
-
-module.exports = function (obj) {
-  return !!(obj != null &&
-    (obj._isBuffer || // For Safari 5-7 (missing Object.prototype.constructor)
-      (obj.constructor &&
-      typeof obj.constructor.isBuffer === 'function' &&
-      obj.constructor.isBuffer(obj))
-    ))
-}
-
-},{}],96:[function(require,module,exports){
-module.exports = Array.isArray || function (arr) {
-  return Object.prototype.toString.call(arr) == '[object Array]';
-};
-
-},{}],97:[function(require,module,exports){
-(function (process){
-var forge = {};
-var aes = forge.aes = {};
-var md = forge.md = {};
-var pki = forge.pki = {};
-var rsa = forge.pki.rsa = forge.rsa = {};
-var util = forge.util = {};
-
-/**
- * Expose `keypair`.
- */
-
-module.exports = function (opts) {
-  if (!opts) opts = {};
-  if (typeof opts.bits == 'undefined') opts.bits = 2048;
-  var keypair = forge.rsa.generateKeyPair(opts);
-  keypair = {
-    public: fix(forge.pki.publicKeyToRSAPublicKeyPem(keypair.publicKey, 72)),
-    private: fix(forge.pki.privateKeyToPem(keypair.privateKey, 72))
-  };
-  return keypair;
-};
-
-function fix (str) {
-  return str.replace(/\r/g, '') + '\n'
-}
-
-/**
- * util.fillString
- */
-
-util.fillString = function(c, n) {
-  var s = '';
-  while(n > 0) {
-    if(n & 1) {
-      s += c;
-    }
-    n >>>= 1;
-    if(n > 0) {
-      c += c;
-    }
-  }
-  return s;
-};
-
-/**
- * md.sha1
- */
-
-var sha1 = forge.sha1 = forge.md.sha1 = {};
-
-// sha-1 padding bytes not initialized yet
-var _padding = null;
-var _initialized = false;
-
-/**
- * Initializes the constant tables.
- */
-var _init = function() {
-  // create padding
-  _padding = String.fromCharCode(128);
-  _padding += forge.util.fillString(String.fromCharCode(0x00), 64);
-
-  // now initialized
-  _initialized = true;
-};
-
-/**
- * Updates a SHA-1 state with the given byte buffer.
- *
- * @param s the SHA-1 state to update.
- * @param w the array to use to store words.
- * @param bytes the byte buffer to update with.
- */
-var _update = function(s, w, bytes) {
-  // consume 512 bit (64 byte) chunks
-  var t, a, b, c, d, e, f, i;
-  var len = bytes.length();
-  while(len >= 64) {
-    // the w array will be populated with sixteen 32-bit big-endian words
-    // and then extended into 80 32-bit words according to SHA-1 algorithm
-    // and for 32-79 using Max Locktyukhin's optimization
-
-    // initialize hash value for this chunk
-    a = s.h0;
-    b = s.h1;
-    c = s.h2;
-    d = s.h3;
-    e = s.h4;
-
-    // round 1
-    for(i = 0; i < 16; ++i) {
-      t = bytes.getInt32();
-      w[i] = t;
-      f = d ^ (b & (c ^ d));
-      t = ((a << 5) | (a >>> 27)) + f + e + 0x5A827999 + t;
-      e = d;
-      d = c;
-      c = (b << 30) | (b >>> 2);
-      b = a;
-      a = t;
-    }
-    for(; i < 20; ++i) {
-      t = (w[i - 3] ^ w[i - 8] ^ w[i - 14] ^ w[i - 16]);
-      t = (t << 1) | (t >>> 31);
-      w[i] = t;
-      f = d ^ (b & (c ^ d));
-      t = ((a << 5) | (a >>> 27)) + f + e + 0x5A827999 + t;
-      e = d;
-      d = c;
-      c = (b << 30) | (b >>> 2);
-      b = a;
-      a = t;
-    }
-    // round 2
-    for(; i < 32; ++i) {
-      t = (w[i - 3] ^ w[i - 8] ^ w[i - 14] ^ w[i - 16]);
-      t = (t << 1) | (t >>> 31);
-      w[i] = t;
-      f = b ^ c ^ d;
-      t = ((a << 5) | (a >>> 27)) + f + e + 0x6ED9EBA1 + t;
-      e = d;
-      d = c;
-      c = (b << 30) | (b >>> 2);
-      b = a;
-      a = t;
-    }
-    for(; i < 40; ++i) {
-      t = (w[i - 6] ^ w[i - 16] ^ w[i - 28] ^ w[i - 32]);
-      t = (t << 2) | (t >>> 30);
-      w[i] = t;
-      f = b ^ c ^ d;
-      t = ((a << 5) | (a >>> 27)) + f + e + 0x6ED9EBA1 + t;
-      e = d;
-      d = c;
-      c = (b << 30) | (b >>> 2);
-      b = a;
-      a = t;
-    }
-    // round 3
-    for(; i < 60; ++i) {
-      t = (w[i - 6] ^ w[i - 16] ^ w[i - 28] ^ w[i - 32]);
-      t = (t << 2) | (t >>> 30);
-      w[i] = t;
-      f = (b & c) | (d & (b ^ c));
-      t = ((a << 5) | (a >>> 27)) + f + e + 0x8F1BBCDC + t;
-      e = d;
-      d = c;
-      c = (b << 30) | (b >>> 2);
-      b = a;
-      a = t;
-    }
-    // round 4
-    for(; i < 80; ++i) {
-      t = (w[i - 6] ^ w[i - 16] ^ w[i - 28] ^ w[i - 32]);
-      t = (t << 2) | (t >>> 30);
-      w[i] = t;
-      f = b ^ c ^ d;
-      t = ((a << 5) | (a >>> 27)) + f + e + 0xCA62C1D6 + t;
-      e = d;
-      d = c;
-      c = (b << 30) | (b >>> 2);
-      b = a;
-      a = t;
-    }
-
-    // update hash state
-    s.h0 += a;
-    s.h1 += b;
-    s.h2 += c;
-    s.h3 += d;
-    s.h4 += e;
-
-    len -= 64;
-  }
-};
-
-/**
- * Creates a SHA-1 message digest object.
- *
- * @return a message digest object.
- */
-sha1.create = function() {
-  // do initialization as necessary
-  if(!_initialized) {
-    _init();
-  }
-
-  // SHA-1 state contains five 32-bit integers
-  var _state = null;
-
-  // input buffer
-  var _input = forge.util.createBuffer();
-
-  // used for word storage
-  var _w = new Array(80);
-
-  // message digest object
-  var md = {
-    algorithm: 'sha1',
-    blockLength: 64,
-    digestLength: 20,
-    // length of message so far (does not including padding)
-    messageLength: 0
-  };
-
-  /**
-   * Starts the digest.
-   */
-  md.start = function() {
-    md.messageLength = 0;
-    _input = forge.util.createBuffer();
-    _state = {
-      h0: 0x67452301,
-      h1: 0xEFCDAB89,
-      h2: 0x98BADCFE,
-      h3: 0x10325476,
-      h4: 0xC3D2E1F0
-    };
-  };
-  // start digest automatically for first time
-  md.start();
-
-  /**
-   * Updates the digest with the given message input. The given input can
-   * treated as raw input (no encoding will be applied) or an encoding of
-   * 'utf8' maybe given to encode the input using UTF-8.
-   *
-   * @param msg the message input to update with.
-   * @param encoding the encoding to use (default: 'raw', other: 'utf8').
-   */
-  md.update = function(msg, encoding) {
-    if(encoding === 'utf8') {
-      msg = forge.util.encodeUtf8(msg);
-    }
-
-    // update message length
-    md.messageLength += msg.length;
-
-    // add bytes to input buffer
-    _input.putBytes(msg);
-
-    // process bytes
-    _update(_state, _w, _input);
-
-    // compact input buffer every 2K or if empty
-    if(_input.read > 2048 || _input.length() === 0) {
-      _input.compact();
-    }
-  };
-
-   /**
-    * Produces the digest.
-    *
-    * @return a byte buffer containing the digest value.
-    */
-   md.digest = function() {
-    /* Note: Here we copy the remaining bytes in the input buffer and
-      add the appropriate SHA-1 padding. Then we do the final update
-      on a copy of the state so that if the user wants to get
-      intermediate digests they can do so. */
-
-    /* Determine the number of bytes that must be added to the message
-      to ensure its length is congruent to 448 mod 512. In other words,
-      a 64-bit integer that gives the length of the message will be
-      appended to the message and whatever the length of the message is
-      plus 64 bits must be a multiple of 512. So the length of the
-      message must be congruent to 448 mod 512 because 512 - 64 = 448.
-
-      In order to fill up the message length it must be filled with
-      padding that begins with 1 bit followed by all 0 bits. Padding
-      must *always* be present, so if the message length is already
-      congruent to 448 mod 512, then 512 padding bits must be added. */
-
-    // 512 bits == 64 bytes, 448 bits == 56 bytes, 64 bits = 8 bytes
-    // _padding starts with 1 byte with first bit is set in it which
-    // is byte value 128, then there may be up to 63 other pad bytes
-    var len = md.messageLength;
-    var padBytes = forge.util.createBuffer();
-    padBytes.putBytes(_input.bytes());
-    padBytes.putBytes(_padding.substr(0, 64 - ((len + 8) % 64)));
-
-    /* Now append length of the message. The length is appended in bits
-      as a 64-bit number in big-endian order. Since we store the length
-      in bytes, we must multiply it by 8 (or left shift by 3). So here
-      store the high 3 bits in the low end of the first 32-bits of the
-      64-bit number and the lower 5 bits in the high end of the second
-      32-bits. */
-    padBytes.putInt32((len >>> 29) & 0xFF);
-    padBytes.putInt32((len << 3) & 0xFFFFFFFF);
-    var s2 = {
-      h0: _state.h0,
-      h1: _state.h1,
-      h2: _state.h2,
-      h3: _state.h3,
-      h4: _state.h4
-    };
-    _update(s2, _w, padBytes);
-    var rval = forge.util.createBuffer();
-    rval.putInt32(s2.h0);
-    rval.putInt32(s2.h1);
-    rval.putInt32(s2.h2);
-    rval.putInt32(s2.h3);
-    rval.putInt32(s2.h4);
-    return rval;
-  };
-
-  return md;
-};
-
-
-/**
- * util.ByteBuffer
- */
-
-/**
- * Constructor for a byte buffer.
- *
- * @param b the bytes to wrap (as a UTF-8 string) (optional).
- */
-util.ByteBuffer = function(b) {
-  // the data in this buffer
-  this.data = b || '';
-  // the pointer for reading from this buffer
-  this.read = 0;
-};
-
-/**
- * Gets the number of bytes in this buffer.
- *
- * @return the number of bytes in this buffer.
- */
-util.ByteBuffer.prototype.length = function() {
-  return this.data.length - this.read;
-};
-
-/**
- * Gets whether or not this buffer is empty.
- *
- * @return true if this buffer is empty, false if not.
- */
-util.ByteBuffer.prototype.isEmpty = function() {
-  return (this.data.length - this.read) === 0;
-};
-
-/**
- * Puts a byte in this buffer.
- *
- * @param b the byte to put.
- */
-util.ByteBuffer.prototype.putByte = function(b) {
-  this.data += String.fromCharCode(b);
-};
-
-/**
- * Puts a byte in this buffer N times.
- *
- * @param b the byte to put.
- * @param n the number of bytes of value b to put.
- */
-util.ByteBuffer.prototype.fillWithByte = function(b, n) {
-  b = String.fromCharCode(b);
-  var d = this.data;
-  while(n > 0) {
-    if(n & 1) {
-      d += b;
-    }
-    n >>>= 1;
-    if(n > 0) {
-      b += b;
-    }
-  }
-  this.data = d;
-};
-
-/**
- * Puts bytes in this buffer.
- *
- * @param bytes the bytes (as a UTF-8 encoded string) to put.
- */
-util.ByteBuffer.prototype.putBytes = function(bytes) {
-  this.data += bytes;
-};
-
-/**
- * Puts a UTF-16 encoded string into this buffer.
- *
- * @param str the string to put.
- */
-util.ByteBuffer.prototype.putString = function(str) {
-  this.data += util.encodeUtf8(str);
-};
-
-/**
- * Puts a 16-bit integer in this buffer in big-endian order.
- *
- * @param i the 16-bit integer.
- */
-util.ByteBuffer.prototype.putInt16 = function(i) {
-  this.data +=
-    String.fromCharCode(i >> 8 & 0xFF) +
-    String.fromCharCode(i & 0xFF);
-};
-
-/**
- * Puts a 24-bit integer in this buffer in big-endian order.
- *
- * @param i the 24-bit integer.
- */
-util.ByteBuffer.prototype.putInt24 = function(i) {
-  this.data +=
-    String.fromCharCode(i >> 16 & 0xFF) +
-    String.fromCharCode(i >> 8 & 0xFF) +
-    String.fromCharCode(i & 0xFF);
-};
-
-/**
- * Puts a 32-bit integer in this buffer in big-endian order.
- *
- * @param i the 32-bit integer.
- */
-util.ByteBuffer.prototype.putInt32 = function(i) {
-  this.data +=
-    String.fromCharCode(i >> 24 & 0xFF) +
-    String.fromCharCode(i >> 16 & 0xFF) +
-    String.fromCharCode(i >> 8 & 0xFF) +
-    String.fromCharCode(i & 0xFF);
-};
-
-/**
- * Puts a 16-bit integer in this buffer in little-endian order.
- *
- * @param i the 16-bit integer.
- */
-util.ByteBuffer.prototype.putInt16Le = function(i) {
-  this.data +=
-    String.fromCharCode(i & 0xFF) +
-    String.fromCharCode(i >> 8 & 0xFF);
-};
-
-/**
- * Puts a 24-bit integer in this buffer in little-endian order.
- *
- * @param i the 24-bit integer.
- */
-util.ByteBuffer.prototype.putInt24Le = function(i) {
-  this.data +=
-    String.fromCharCode(i & 0xFF) +
-    String.fromCharCode(i >> 8 & 0xFF) +
-    String.fromCharCode(i >> 16 & 0xFF);
-};
-
-/**
- * Puts a 32-bit integer in this buffer in little-endian order.
- *
- * @param i the 32-bit integer.
- */
-util.ByteBuffer.prototype.putInt32Le = function(i) {
-  this.data +=
-    String.fromCharCode(i & 0xFF) +
-    String.fromCharCode(i >> 8 & 0xFF) +
-    String.fromCharCode(i >> 16 & 0xFF) +
-    String.fromCharCode(i >> 24 & 0xFF);
-};
-
-/**
- * Puts an n-bit integer in this buffer in big-endian order.
- *
- * @param i the n-bit integer.
- * @param n the number of bits in the integer.
- */
-util.ByteBuffer.prototype.putInt = function(i, n) {
-  do {
-    n -= 8;
-    this.data += String.fromCharCode((i >> n) & 0xFF);
-  }
-  while(n > 0);
-};
-
-/**
- * Puts the given buffer into this buffer.
- *
- * @param buffer the buffer to put into this one.
- */
-util.ByteBuffer.prototype.putBuffer = function(buffer) {
-  this.data += buffer.getBytes();
-};
-
-/**
- * Gets a byte from this buffer and advances the read pointer by 1.
- *
- * @return the byte.
- */
-util.ByteBuffer.prototype.getByte = function() {
-  return this.data.charCodeAt(this.read++);
-};
-
-/**
- * Gets a uint16 from this buffer in big-endian order and advances the read
- * pointer by 2.
- *
- * @return the uint16.
- */
-util.ByteBuffer.prototype.getInt16 = function() {
-  var rval = (
-    this.data.charCodeAt(this.read) << 8 ^
-    this.data.charCodeAt(this.read + 1));
-  this.read += 2;
-  return rval;
-};
-
-/**
- * Gets a uint24 from this buffer in big-endian order and advances the read
- * pointer by 3.
- *
- * @return the uint24.
- */
-util.ByteBuffer.prototype.getInt24 = function() {
-  var rval = (
-    this.data.charCodeAt(this.read) << 16 ^
-    this.data.charCodeAt(this.read + 1) << 8 ^
-    this.data.charCodeAt(this.read + 2));
-  this.read += 3;
-  return rval;
-};
-
-/**
- * Gets a uint32 from this buffer in big-endian order and advances the read
- * pointer by 4.
- *
- * @return the word.
- */
-util.ByteBuffer.prototype.getInt32 = function() {
-  var rval = (
-    this.data.charCodeAt(this.read) << 24 ^
-    this.data.charCodeAt(this.read + 1) << 16 ^
-    this.data.charCodeAt(this.read + 2) << 8 ^
-    this.data.charCodeAt(this.read + 3));
-  this.read += 4;
-  return rval;
-};
-
-/**
- * Gets a uint16 from this buffer in little-endian order and advances the read
- * pointer by 2.
- *
- * @return the uint16.
- */
-util.ByteBuffer.prototype.getInt16Le = function() {
-  var rval = (
-    this.data.charCodeAt(this.read) ^
-    this.data.charCodeAt(this.read + 1) << 8);
-  this.read += 2;
-  return rval;
-};
-
-/**
- * Gets a uint24 from this buffer in little-endian order and advances the read
- * pointer by 3.
- *
- * @return the uint24.
- */
-util.ByteBuffer.prototype.getInt24Le = function() {
-  var rval = (
-    this.data.charCodeAt(this.read) ^
-    this.data.charCodeAt(this.read + 1) << 8 ^
-    this.data.charCodeAt(this.read + 2) << 16);
-  this.read += 3;
-  return rval;
-};
-
-/**
- * Gets a uint32 from this buffer in little-endian order and advances the read
- * pointer by 4.
- *
- * @return the word.
- */
-util.ByteBuffer.prototype.getInt32Le = function() {
-  var rval = (
-    this.data.charCodeAt(this.read) ^
-    this.data.charCodeAt(this.read + 1) << 8 ^
-    this.data.charCodeAt(this.read + 2) << 16 ^
-    this.data.charCodeAt(this.read + 3) << 24);
-  this.read += 4;
-  return rval;
-};
-
-/**
- * Gets an n-bit integer from this buffer in big-endian order and advances the
- * read pointer by n/8.
- *
- * @param n the number of bits in the integer.
- *
- * @return the integer.
- */
-util.ByteBuffer.prototype.getInt = function(n) {
-  var rval = 0;
-  do {
-    rval = (rval << n) + this.data.charCodeAt(this.read++);
-    n -= 8;
-  }
-  while(n > 0);
-  return rval;
-};
-
-/**
- * Reads bytes out into a UTF-8 string and clears them from the buffer.
- *
- * @param count the number of bytes to read, undefined or null for all.
- *
- * @return a UTF-8 string of bytes.
- */
-util.ByteBuffer.prototype.getBytes = function(count) {
-  var rval;
-  if(count) {
-    // read count bytes
-    count = Math.min(this.length(), count);
-    rval = this.data.slice(this.read, this.read + count);
-    this.read += count;
-  }
-  else if(count === 0) {
-    rval = '';
-  }
-  else {
-    // read all bytes, optimize to only copy when needed
-    rval = (this.read === 0) ? this.data : this.data.slice(this.read);
-    this.clear();
-  }
-  return rval;
-};
-
-/**
- * Gets a UTF-8 encoded string of the bytes from this buffer without modifying
- * the read pointer.
- *
- * @param count the number of bytes to get, omit to get all.
- *
- * @return a string full of UTF-8 encoded characters.
- */
-util.ByteBuffer.prototype.bytes = function(count) {
-  return (typeof(count) === 'undefined' ?
-    this.data.slice(this.read) :
-    this.data.slice(this.read, this.read + count));
-};
-
-/**
- * Gets a byte at the given index without modifying the read pointer.
- *
- * @param i the byte index.
- *
- * @return the byte.
- */
-util.ByteBuffer.prototype.at = function(i) {
-  return this.data.charCodeAt(this.read + i);
-};
-
-/**
- * Puts a byte at the given index without modifying the read pointer.
- *
- * @param i the byte index.
- * @param b the byte to put.
- */
-util.ByteBuffer.prototype.setAt = function(i, b) {
-  this.data = this.data.substr(0, this.read + i) +
-    String.fromCharCode(b) +
-    this.data.substr(this.read + i + 1);
-};
-
-/**
- * Gets the last byte without modifying the read pointer.
- *
- * @return the last byte.
- */
-util.ByteBuffer.prototype.last = function() {
-  return this.data.charCodeAt(this.data.length - 1);
-};
-
-/**
- * Creates a copy of this buffer.
- *
- * @return the copy.
- */
-util.ByteBuffer.prototype.copy = function() {
-  var c = util.createBuffer(this.data);
-  c.read = this.read;
-  return c;
-};
-
-/**
- * Compacts this buffer.
- */
-util.ByteBuffer.prototype.compact = function() {
-  if(this.read > 0) {
-    this.data = this.data.slice(this.read);
-    this.read = 0;
-  }
-};
-
-/**
- * Clears this buffer.
- */
-util.ByteBuffer.prototype.clear = function() {
-  this.data = '';
-  this.read = 0;
-};
-
-/**
- * Shortens this buffer by triming bytes off of the end of this buffer.
- *
- * @param count the number of bytes to trim off.
- */
-util.ByteBuffer.prototype.truncate = function(count) {
-  var len = Math.max(0, this.length() - count);
-  this.data = this.data.substr(this.read, len);
-  this.read = 0;
-};
-
-/**
- * Converts this buffer to a hexadecimal string.
- *
- * @return a hexadecimal string.
- */
-util.ByteBuffer.prototype.toHex = function() {
-  var rval = '';
-  for(var i = this.read; i < this.data.length; ++i) {
-    var b = this.data.charCodeAt(i);
-    if(b < 16) {
-      rval += '0';
-    }
-    rval += b.toString(16);
-  }
-  return rval;
-};
-
-/**
- * Converts this buffer to a UTF-16 string (standard JavaScript string).
- *
- * @return a UTF-16 string.
- */
-util.ByteBuffer.prototype.toString = function() {
-  return util.decodeUtf8(this.bytes());
-};
-/**
- * util.createBuffer
- */
-
-util.createBuffer = function(input, encoding) {
-  encoding = encoding || 'raw';
-  if(input !== undefined && encoding === 'utf8') {
-    input = util.encodeUtf8(input);
-  }
-  return new util.ByteBuffer(input);
-};
-
-/**
- * prng.create
- */
-
-var prng = forge.prng = {};
-var crypto = null;
-
-prng.create = function(plugin) {
-  var ctx = {
-    plugin: plugin,
-    key: null,
-    seed: null,
-    time: null,
-    // number of reseeds so far
-    reseeds: 0,
-    // amount of data generated so far
-    generated: 0
-  };
-
-  // create 32 entropy pools (each is a message digest)
-  var md = plugin.md;
-  var pools = new Array(32);
-  for(var i = 0; i < 32; ++i) {
-    pools[i] = md.create();
-  }
-  ctx.pools = pools;
-
-  // entropy pools are written to cyclically, starting at index 0
-  ctx.pool = 0;
-
-  /**
-   * Generates random bytes. The bytes may be generated synchronously or
-   * asynchronously. Web workers must use the asynchronous interface or
-   * else the behavior is undefined.
-   *
-   * @param count the number of random bytes to generate.
-   * @param [callback(err, bytes)] called once the operation completes.
-   *
-   * @return count random bytes as a string.
-   */
-  ctx.generate = function(count, callback) {
-    // do synchronously
-    if(!callback) {
-      return ctx.generateSync(count);
-    }
-
-    // simple generator using counter-based CBC
-    var cipher = ctx.plugin.cipher;
-    var increment = ctx.plugin.increment;
-    var formatKey = ctx.plugin.formatKey;
-    var formatSeed = ctx.plugin.formatSeed;
-    var b = forge.util.createBuffer();
-
-    generate();
-
-    function generate(err) {
-      if(err) {
-        return callback(err);
-      }
-
-      // sufficient bytes generated
-      if(b.length() >= count) {
-        return callback(null, b.getBytes(count));
-      }
-
-      // if amount of data generated is greater than 1 MiB, trigger reseed
-      if(ctx.generated >= 1048576) {
-        // only do reseed at most every 100 ms
-        var now = +new Date();
-        if(ctx.time === null || (now - ctx.time > 100)) {
-          ctx.key = null;
-        }
-      }
-
-      if(ctx.key === null) {
-        return _reseed(generate);
-      }
-
-      // generate the random bytes
-      var bytes = cipher(ctx.key, ctx.seed);
-      ctx.generated += bytes.length;
-      b.putBytes(bytes);
-
-      // generate bytes for a new key and seed
-      ctx.key = formatKey(cipher(ctx.key, increment(ctx.seed)));
-      ctx.seed = formatSeed(cipher(ctx.key, ctx.seed));
-
-      forge.util.setImmediate(generate);
-    }
-  };
-
-  /**
-   * Generates random bytes synchronously.
-   *
-   * @param count the number of random bytes to generate.
-   *
-   * @return count random bytes as a string.
-   */
-  ctx.generateSync = function(count) {
-    // simple generator using counter-based CBC
-    var cipher = ctx.plugin.cipher;
-    var increment = ctx.plugin.increment;
-    var formatKey = ctx.plugin.formatKey;
-    var formatSeed = ctx.plugin.formatSeed;
-    var b = forge.util.createBuffer();
-    while(b.length() < count) {
-      // if amount of data generated is greater than 1 MiB, trigger reseed
-      if(ctx.generated >= 1048576) {
-        // only do reseed at most every 100 ms
-        var now = +new Date();
-        if(ctx.time === null || (now - ctx.time > 100)) {
-          ctx.key = null;
-        }
-      }
-
-      if(ctx.key === null) {
-        _reseedSync();
-      }
-
-      // generate the random bytes
-      var bytes = cipher(ctx.key, ctx.seed);
-      ctx.generated += bytes.length;
-      b.putBytes(bytes);
-
-      // generate bytes for a new key and seed
-      ctx.key = formatKey(cipher(ctx.key, increment(ctx.seed)));
-      ctx.seed = formatSeed(cipher(ctx.key, ctx.seed));
-    }
-
-    return b.getBytes(count);
-  };
-
-  /**
-   * Private function that asynchronously reseeds a generator.
-   *
-   * @param callback(err) called once the operation completes.
-   */
-  function _reseed(callback) {
-    if(ctx.pools[0].messageLength >= 32) {
-      _seed();
-      return callback();
-    }
-    // not enough seed data...
-    var needed = (32 - ctx.pools[0].messageLength) << 5;
-    ctx.seedFile(needed, function(err, bytes) {
-      if(err) {
-        return callback(err);
-      }
-      ctx.collect(bytes);
-      _seed();
-      callback();
-    });
-  }
-
-  /**
-   * Private function that synchronously reseeds a generator.
-   */
-  function _reseedSync() {
-    if(ctx.pools[0].messageLength >= 32) {
-      return _seed();
-    }
-    // not enough seed data...
-    var needed = (32 - ctx.pools[0].messageLength) << 5;
-    ctx.collect(ctx.seedFileSync(needed));
-    _seed();
-  }
-
-  /**
-   * Private function that seeds a generator once enough bytes are available.
-   */
-  function _seed() {
-    // create a SHA-1 message digest
-    var md = forge.md.sha1.create();
-
-    // digest pool 0's entropy and restart it
-    md.update(ctx.pools[0].digest().getBytes());
-    ctx.pools[0].start();
-
-    // digest the entropy of other pools whose index k meet the
-    // condition '2^k mod n == 0' where n is the number of reseeds
-    var k = 1;
-    for(var i = 1; i < 32; ++i) {
-      // prevent signed numbers from being used
-      k = (k === 31) ? 0x80000000 : (k << 2);
-      if(k % ctx.reseeds === 0) {
-        md.update(ctx.pools[i].digest().getBytes());
-        ctx.pools[i].start();
-      }
-    }
-
-    // get digest for key bytes and iterate again for seed bytes
-    var keyBytes = md.digest().getBytes();
-    md.start();
-    md.update(keyBytes);
-    var seedBytes = md.digest().getBytes();
-
-    // update
-    ctx.key = ctx.plugin.formatKey(keyBytes);
-    ctx.seed = ctx.plugin.formatSeed(seedBytes);
-    ++ctx.reseeds;
-    ctx.generated = 0;
-    ctx.time = +new Date();
-  }
-
-  /**
-   * The built-in default seedFile. This seedFile is used when entropy
-   * is needed immediately.
-   *
-   * @param needed the number of bytes that are needed.
-   *
-   * @return the random bytes.
-   */
-  function defaultSeedFile(needed) {
-    // use window.crypto.getRandomValues strong source of entropy if
-    // available
-    var b = forge.util.createBuffer();
-    if(typeof window !== 'undefined' &&
-      window.crypto && window.crypto.getRandomValues) {
-      var entropy = new Uint32Array(needed / 4);
-      try {
-        window.crypto.getRandomValues(entropy);
-        for(var i = 0; i < entropy.length; ++i) {
-          b.putInt32(entropy[i]);
-        }
-      }
-      catch(e) {
-        /* Mozilla claims getRandomValues can throw QuotaExceededError, so
-         ignore errors. In this case, weak entropy will be added, but
-         hopefully this never happens.
-         https://developer.mozilla.org/en-US/docs/DOM/window.crypto.getRandomValues
-         However I've never observed this exception --@evanj */
-      }
-    }
-
-    // be sad and add some weak random data
-    if(b.length() < needed) {
-      /* Draws from Park-Miller "minimal standard" 31 bit PRNG,
-      implemented with David G. Carta's optimization: with 32 bit math
-      and without division (Public Domain). */
-      var hi, lo, next;
-      var seed = Math.floor(Math.random() * 0xFFFF);
-      while(b.length() < needed) {
-        lo = 16807 * (seed & 0xFFFF);
-        hi = 16807 * (seed >> 16);
-        lo += (hi & 0x7FFF) << 16;
-        lo += hi >> 15;
-        lo = (lo & 0x7FFFFFFF) + (lo >> 31);
-        seed = lo & 0xFFFFFFFF;
-
-        // consume lower 3 bytes of seed
-        for(var i = 0; i < 3; ++i) {
-          // throw in more pseudo random
-          next = seed >>> (i << 3);
-          next ^= Math.floor(Math.random() * 0xFF);
-          b.putByte(String.fromCharCode(next & 0xFF));
-        }
-      }
-    }
-
-    return b.getBytes();
-  }
-  // initialize seed file APIs
-  if(crypto) {
-    // use nodejs async API
-    ctx.seedFile = function(needed, callback) {
-      crypto.randomBytes(needed, function(err, bytes) {
-        if(err) {
-          return callback(err);
-        }
-        callback(null, bytes.toString());
-      });
-    };
-    // use nodejs sync API
-    ctx.seedFileSync = function(needed) {
-      return crypto.randomBytes(needed).toString();
-    };
-  }
-  else {
-    ctx.seedFile = function(needed, callback) {
-      try {
-        callback(null, defaultSeedFile(needed));
-      }
-      catch(e) {
-        callback(e);
-      }
-    };
-    ctx.seedFileSync = defaultSeedFile;
-  }
-
-  /**
-   * Adds entropy to a prng ctx's accumulator.
-   *
-   * @param bytes the bytes of entropy as a string.
-   */
-  ctx.collect = function(bytes) {
-    // iterate over pools distributing entropy cyclically
-    var count = bytes.length;
-    for(var i = 0; i < count; ++i) {
-      ctx.pools[ctx.pool].update(bytes.substr(i, 1));
-      ctx.pool = (ctx.pool === 31) ? 0 : ctx.pool + 1;
-    }
-  };
-
-  /**
-   * Collects an integer of n bits.
-   *
-   * @param i the integer entropy.
-   * @param n the number of bits in the integer.
-   */
-  ctx.collectInt = function(i, n) {
-    var bytes = '';
-    for(var x = 0; x < n; x += 8) {
-      bytes += String.fromCharCode((i >> x) & 0xFF);
-    }
-    ctx.collect(bytes);
-  };
-
-  /**
-   * Registers a Web Worker to receive immediate entropy from the main thread.
-   * This method is required until Web Workers can access the native crypto
-   * API. This method should be called twice for each created worker, once in
-   * the main thread, and once in the worker itself.
-   *
-   * @param worker the worker to register.
-   */
-  ctx.registerWorker = function(worker) {
-    // worker receives random bytes
-    if(worker === self) {
-      ctx.seedFile = function(needed, callback) {
-        function listener(e) {
-          var data = e.data;
-          if(data.forge && data.forge.prng) {
-            self.removeEventListener('message', listener);
-            callback(data.forge.prng.err, data.forge.prng.bytes);
-          }
-        }
-        self.addEventListener('message', listener);
-        self.postMessage({forge: {prng: {needed: needed}}});
-      };
-    }
-    // main thread sends random bytes upon request
-    else {
-      function listener(e) {
-        var data = e.data;
-        if(data.forge && data.forge.prng) {
-          ctx.seedFile(data.forge.prng.needed, function(err, bytes) {
-            worker.postMessage({forge: {prng: {err: err, bytes: bytes}}});
-          });
-        }
-      }
-      // TODO: do we need to remove the event listener when the worker dies?
-      worker.addEventListener('message', listener);
-    }
-  };
-
-  return ctx;
-};
-
-/**
- * aes._expendKey
- */
-
-var init = false; // not yet initialized
-var Nb = 4;       // number of words comprising the state (AES = 4)
-var sbox;         // non-linear substitution table used in key expansion
-var isbox;        // inversion of sbox
-var rcon;         // round constant word array
-var mix;          // mix-columns table
-var imix;         // inverse mix-columns table
-
-var initialize = function() {
-  init = true;
-
-  /* Populate the Rcon table. These are the values given by
-    [x^(i-1),{00},{00},{00}] where x^(i-1) are powers of x (and x = 0x02)
-    in the field of GF(2^8), where i starts at 1.
-
-    rcon[0] = [0x00, 0x00, 0x00, 0x00]
-    rcon[1] = [0x01, 0x00, 0x00, 0x00] 2^(1-1) = 2^0 = 1
-    rcon[2] = [0x02, 0x00, 0x00, 0x00] 2^(2-1) = 2^1 = 2
-    ...
-    rcon[9]  = [0x1B, 0x00, 0x00, 0x00] 2^(9-1)  = 2^8 = 0x1B
-    rcon[10] = [0x36, 0x00, 0x00, 0x00] 2^(10-1) = 2^9 = 0x36
-
-    We only store the first byte because it is the only one used.
-  */
-  rcon = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1B, 0x36];
-
-  // compute xtime table which maps i onto GF(i, 0x02)
-  var xtime = new Array(256);
-  for(var i = 0; i < 128; ++i) {
-    xtime[i] = i << 1;
-    xtime[i + 128] = (i + 128) << 1 ^ 0x11B;
-  }
-
-  // compute all other tables
-  sbox = new Array(256);
-  isbox = new Array(256);
-  mix = new Array(4);
-  imix = new Array(4);
-  for(var i = 0; i < 4; ++i) {
-    mix[i] = new Array(256);
-    imix[i] = new Array(256);
-  }
-  var e = 0, ei = 0, e2, e4, e8, sx, sx2, me, ime;
-  for(var i = 0; i < 256; ++i) {
-    /* We need to generate the SubBytes() sbox and isbox tables so that
-      we can perform byte substitutions. This requires us to traverse
-      all of the elements in GF, find their multiplicative inverses,
-      and apply to each the following affine transformation:
-
-      bi' = bi ^ b(i + 4) mod 8 ^ b(i + 5) mod 8 ^ b(i + 6) mod 8 ^
-            b(i + 7) mod 8 ^ ci
-      for 0 <= i < 8, where bi is the ith bit of the byte, and ci is the
-      ith bit of a byte c with the value {63} or {01100011}.
-
-      It is possible to traverse every possible value in a Galois field
-      using what is referred to as a 'generator'. There are many
-      generators (128 out of 256): 3,5,6,9,11,82 to name a few. To fully
-      traverse GF we iterate 255 times, multiplying by our generator
-      each time.
-
-      On each iteration we can determine the multiplicative inverse for
-      the current element.
-
-      Suppose there is an element in GF 'e'. For a given generator 'g',
-      e = g^x. The multiplicative inverse of e is g^(255 - x). It turns
-      out that if use the inverse of a generator as another generator
-      it will produce all of the corresponding multiplicative inverses
-      at the same time. For this reason, we choose 5 as our inverse
-      generator because it only requires 2 multiplies and 1 add and its
-      inverse, 82, requires relatively few operations as well.
-
-      In order to apply the affine transformation, the multiplicative
-      inverse 'ei' of 'e' can be repeatedly XOR'd (4 times) with a
-      bit-cycling of 'ei'. To do this 'ei' is first stored in 's' and
-      'x'. Then 's' is left shifted and the high bit of 's' is made the
-      low bit. The resulting value is stored in 's'. Then 'x' is XOR'd
-      with 's' and stored in 'x'. On each subsequent iteration the same
-      operation is performed. When 4 iterations are complete, 'x' is
-      XOR'd with 'c' (0x63) and the transformed value is stored in 'x'.
-      For example:
-
-      s = 01000001
-      x = 01000001
-
-      iteration 1: s = 10000010, x ^= s
-      iteration 2: s = 00000101, x ^= s
-      iteration 3: s = 00001010, x ^= s
-      iteration 4: s = 00010100, x ^= s
-      x ^= 0x63
-
-      This can be done with a loop where s = (s << 1) | (s >> 7). However,
-      it can also be done by using a single 16-bit (in this case 32-bit)
-      number 'sx'. Since XOR is an associative operation, we can set 'sx'
-      to 'ei' and then XOR it with 'sx' left-shifted 1,2,3, and 4 times.
-      The most significant bits will flow into the high 8 bit positions
-      and be correctly XOR'd with one another. All that remains will be
-      to cycle the high 8 bits by XOR'ing them all with the lower 8 bits
-      afterwards.
-
-      At the same time we're populating sbox and isbox we can precompute
-      the multiplication we'll need to do to do MixColumns() later.
-    */
-
-    // apply affine transformation
-    sx = ei ^ (ei << 1) ^ (ei << 2) ^ (ei << 3) ^ (ei << 4);
-    sx = (sx >> 8) ^ (sx & 255) ^ 0x63;
-
-    // update tables
-    sbox[e] = sx;
-    isbox[sx] = e;
-
-    /* Mixing columns is done using matrix multiplication. The columns
-      that are to be mixed are each a single word in the current state.
-      The state has Nb columns (4 columns). Therefore each column is a
-      4 byte word. So to mix the columns in a single column 'c' where
-      its rows are r0, r1, r2, and r3, we use the following matrix
-      multiplication:
-
-      [2 3 1 1]*[r0,c]=[r'0,c]
-      [1 2 3 1] [r1,c] [r'1,c]
-      [1 1 2 3] [r2,c] [r'2,c]
-      [3 1 1 2] [r3,c] [r'3,c]
-
-      r0, r1, r2, and r3 are each 1 byte of one of the words in the
-      state (a column). To do matrix multiplication for each mixed
-      column c' we multiply the corresponding row from the left matrix
-      with the corresponding column from the right matrix. In total, we
-      get 4 equations:
-
-      r0,c' = 2*r0,c + 3*r1,c + 1*r2,c + 1*r3,c
-      r1,c' = 1*r0,c + 2*r1,c + 3*r2,c + 1*r3,c
-      r2,c' = 1*r0,c + 1*r1,c + 2*r2,c + 3*r3,c
-      r3,c' = 3*r0,c + 1*r1,c + 1*r2,c + 2*r3,c
-
-      As usual, the multiplication is as previously defined and the
-      addition is XOR. In order to optimize mixing columns we can store
-      the multiplication results in tables. If you think of the whole
-      column as a word (it might help to visualize by mentally rotating
-      the equations above by counterclockwise 90 degrees) then you can
-      see that it would be useful to map the multiplications performed on
-      each byte (r0, r1, r2, r3) onto a word as well. For instance, we
-      could map 2*r0,1*r0,1*r0,3*r0 onto a word by storing 2*r0 in the
-      highest 8 bits and 3*r0 in the lowest 8 bits (with the other two
-      respectively in the middle). This means that a table can be
-      constructed that uses r0 as an index to the word. We can do the
-      same with r1, r2, and r3, creating a total of 4 tables.
-
-      To construct a full c', we can just look up each byte of c in
-      their respective tables and XOR the results together.
-
-      Also, to build each table we only have to calculate the word
-      for 2,1,1,3 for every byte ... which we can do on each iteration
-      of this loop since we will iterate over every byte. After we have
-      calculated 2,1,1,3 we can get the results for the other tables
-      by cycling the byte at the end to the beginning. For instance
-      we can take the result of table 2,1,1,3 and produce table 3,2,1,1
-      by moving the right most byte to the left most position just like
-      how you can imagine the 3 moved out of 2,1,1,3 and to the front
-      to produce 3,2,1,1.
-
-      There is another optimization in that the same multiples of
-      the current element we need in order to advance our generator
-      to the next iteration can be reused in performing the 2,1,1,3
-      calculation. We also calculate the inverse mix column tables,
-      with e,9,d,b being the inverse of 2,1,1,3.
-
-      When we're done, and we need to actually mix columns, the first
-      byte of each state word should be put through mix[0] (2,1,1,3),
-      the second through mix[1] (3,2,1,1) and so forth. Then they should
-      be XOR'd together to produce the fully mixed column.
-    */
-
-    // calculate mix and imix table values
-    sx2 = xtime[sx];
-    e2 = xtime[e];
-    e4 = xtime[e2];
-    e8 = xtime[e4];
-    me =
-      (sx2 << 24) ^  // 2
-      (sx << 16) ^   // 1
-      (sx << 8) ^    // 1
-      (sx ^ sx2);    // 3
-    ime =
-      (e2 ^ e4 ^ e8) << 24 ^  // E (14)
-      (e ^ e8) << 16 ^        // 9
-      (e ^ e4 ^ e8) << 8 ^    // D (13)
-      (e ^ e2 ^ e8);          // B (11)
-    // produce each of the mix tables by rotating the 2,1,1,3 value
-    for(var n = 0; n < 4; ++n) {
-      mix[n][e] = me;
-      imix[n][sx] = ime;
-      // cycle the right most byte to the left most position
-      // ie: 2,1,1,3 becomes 3,2,1,1
-      me = me << 24 | me >>> 8;
-      ime = ime << 24 | ime >>> 8;
-    }
-
-    // get next element and inverse
-    if(e === 0) {
-      // 1 is the inverse of 1
-      e = ei = 1;
-    }
-    else {
-      // e = 2e + 2*2*2*(10e)) = multiply e by 82 (chosen generator)
-      // ei = ei + 2*2*ei = multiply ei by 5 (inverse generator)
-      e = e2 ^ xtime[xtime[xtime[e2 ^ e8]]];
-      ei ^= xtime[xtime[ei]];
-    }
-  }
-};
-
-/**
- * Generates a key schedule using the AES key expansion algorithm.
- *
- * The AES algorithm takes the Cipher Key, K, and performs a Key Expansion
- * routine to generate a key schedule. The Key Expansion generates a total
- * of Nb*(Nr + 1) words: the algorithm requires an initial set of Nb words,
- * and each of the Nr rounds requires Nb words of key data. The resulting
- * key schedule consists of a linear array of 4-byte words, denoted [wi ],
- * with i in the range 0 ≤ i < Nb(Nr + 1).
- *
- * KeyExpansion(byte key[4*Nk], word w[Nb*(Nr+1)], Nk)
- * AES-128 (Nb=4, Nk=4, Nr=10)
- * AES-192 (Nb=4, Nk=6, Nr=12)
- * AES-256 (Nb=4, Nk=8, Nr=14)
- * Note: Nr=Nk+6.
- *
- * Nb is the number of columns (32-bit words) comprising the State (or
- * number of bytes in a block). For AES, Nb=4.
- *
- * @param key the key to schedule (as an array of 32-bit words).
- * @param decrypt true to modify the key schedule to decrypt, false not to.
- *
- * @return the generated key schedule.
- */
-var expandKey = function(key, decrypt) {
-  // copy the key's words to initialize the key schedule
-  var w = key.slice(0);
-
-  /* RotWord() will rotate a word, moving the first byte to the last
-    byte's position (shifting the other bytes left).
-
-    We will be getting the value of Rcon at i / Nk. 'i' will iterate
-    from Nk to (Nb * Nr+1). Nk = 4 (4 byte key), Nb = 4 (4 words in
-    a block), Nr = Nk + 6 (10). Therefore 'i' will iterate from
-    4 to 44 (exclusive). Each time we iterate 4 times, i / Nk will
-    increase by 1. We use a counter iNk to keep track of this.
-   */
-
-  // go through the rounds expanding the key
-  var temp, iNk = 1;
-  var Nk = w.length;
-  var Nr1 = Nk + 6 + 1;
-  var end = Nb * Nr1;
-  for(var i = Nk; i < end; ++i) {
-    temp = w[i - 1];
-    if(i % Nk === 0) {
-      // temp = SubWord(RotWord(temp)) ^ Rcon[i / Nk]
-      temp =
-        sbox[temp >>> 16 & 255] << 24 ^
-        sbox[temp >>> 8 & 255] << 16 ^
-        sbox[temp & 255] << 8 ^
-        sbox[temp >>> 24] ^ (rcon[iNk] << 24);
-      iNk++;
-    }
-    else if(Nk > 6 && (i % Nk == 4)) {
-      // temp = SubWord(temp)
-      temp =
-        sbox[temp >>> 24] << 24 ^
-        sbox[temp >>> 16 & 255] << 16 ^
-        sbox[temp >>> 8 & 255] << 8 ^
-        sbox[temp & 255];
-    }
-    w[i] = w[i - Nk] ^ temp;
-  }
-
-   /* When we are updating a cipher block we always use the code path for
-     encryption whether we are decrypting or not (to shorten code and
-     simplify the generation of look up tables). However, because there
-     are differences in the decryption algorithm, other than just swapping
-     in different look up tables, we must transform our key schedule to
-     account for these changes:
-
-     1. The decryption algorithm gets its key rounds in reverse order.
-     2. The decryption algorithm adds the round key before mixing columns
-       instead of afterwards.
-
-     We don't need to modify our key schedule to handle the first case,
-     we can just traverse the key schedule in reverse order when decrypting.
-
-     The second case requires a little work.
-
-     The tables we built for performing rounds will take an input and then
-     perform SubBytes() and MixColumns() or, for the decrypt version,
-     InvSubBytes() and InvMixColumns(). But the decrypt algorithm requires
-     us to AddRoundKey() before InvMixColumns(). This means we'll need to
-     apply some transformations to the round key to inverse-mix its columns
-     so they'll be correct for moving AddRoundKey() to after the state has
-     had its columns inverse-mixed.
-
-     To inverse-mix the columns of the state when we're decrypting we use a
-     lookup table that will apply InvSubBytes() and InvMixColumns() at the
-     same time. However, the round key's bytes are not inverse-substituted
-     in the decryption algorithm. To get around this problem, we can first
-     substitute the bytes in the round key so that when we apply the
-     transformation via the InvSubBytes()+InvMixColumns() table, it will
-     undo our substitution leaving us with the original value that we
-     want -- and then inverse-mix that value.
-
-     This change will correctly alter our key schedule so that we can XOR
-     each round key with our already transformed decryption state. This
-     allows us to use the same code path as the encryption algorithm.
-
-     We make one more change to the decryption key. Since the decryption
-     algorithm runs in reverse from the encryption algorithm, we reverse
-     the order of the round keys to avoid having to iterate over the key
-     schedule backwards when running the encryption algorithm later in
-     decryption mode. In addition to reversing the order of the round keys,
-     we also swap each round key's 2nd and 4th rows. See the comments
-     section where rounds are performed for more details about why this is
-     done. These changes are done inline with the other substitution
-     described above.
-  */
-  if(decrypt) {
-    var tmp;
-    var m0 = imix[0];
-    var m1 = imix[1];
-    var m2 = imix[2];
-    var m3 = imix[3];
-    var wnew = w.slice(0);
-    var end = w.length;
-    for(var i = 0, wi = end - Nb; i < end; i += Nb, wi -= Nb) {
-      // do not sub the first or last round key (round keys are Nb
-      // words) as no column mixing is performed before they are added,
-      // but do change the key order
-      if(i === 0 || i === (end - Nb)) {
-        wnew[i] = w[wi];
-        wnew[i + 1] = w[wi + 3];
-        wnew[i + 2] = w[wi + 2];
-        wnew[i + 3] = w[wi + 1];
-      }
-      else {
-        // substitute each round key byte because the inverse-mix
-        // table will inverse-substitute it (effectively cancel the
-        // substitution because round key bytes aren't sub'd in
-        // decryption mode) and swap indexes 3 and 1
-        for(var n = 0; n < Nb; ++n) {
-          tmp = w[wi + n];
-          wnew[i + (3&-n)] =
-            m0[sbox[tmp >>> 24]] ^
-            m1[sbox[tmp >>> 16 & 255]] ^
-            m2[sbox[tmp >>> 8 & 255]] ^
-            m3[sbox[tmp & 255]];
-        }
-      }
-    }
-    w = wnew;
-  }
-
-  return w;
-};
-
-
-forge.aes._expandKey = function(key, decrypt) {
-  if(!init) {
-    initialize();
-  }
-  return expandKey(key, decrypt);
-};
-
-/**
- * aes._updateBlock
- */
-
-var _updateBlock = function(w, input, output, decrypt) {
-  /*
-  Cipher(byte in[4*Nb], byte out[4*Nb], word w[Nb*(Nr+1)])
-  begin
-    byte state[4,Nb]
-    state = in
-    AddRoundKey(state, w[0, Nb-1])
-    for round = 1 step 1 to Nr–1
-      SubBytes(state)
-      ShiftRows(state)
-      MixColumns(state)
-      AddRoundKey(state, w[round*Nb, (round+1)*Nb-1])
-    end for
-    SubBytes(state)
-    ShiftRows(state)
-    AddRoundKey(state, w[Nr*Nb, (Nr+1)*Nb-1])
-    out = state
-  end
-
-  InvCipher(byte in[4*Nb], byte out[4*Nb], word w[Nb*(Nr+1)])
-  begin
-    byte state[4,Nb]
-    state = in
-    AddRoundKey(state, w[Nr*Nb, (Nr+1)*Nb-1])
-    for round = Nr-1 step -1 downto 1
-      InvShiftRows(state)
-      InvSubBytes(state)
-      AddRoundKey(state, w[round*Nb, (round+1)*Nb-1])
-      InvMixColumns(state)
-    end for
-    InvShiftRows(state)
-    InvSubBytes(state)
-    AddRoundKey(state, w[0, Nb-1])
-    out = state
-  end
-  */
-
-  // Encrypt: AddRoundKey(state, w[0, Nb-1])
-  // Decrypt: AddRoundKey(state, w[Nr*Nb, (Nr+1)*Nb-1])
-  var Nr = w.length / 4 - 1;
-  var m0, m1, m2, m3, sub;
-  if(decrypt) {
-    m0 = imix[0];
-    m1 = imix[1];
-    m2 = imix[2];
-    m3 = imix[3];
-    sub = isbox;
-  }
-  else {
-    m0 = mix[0];
-    m1 = mix[1];
-    m2 = mix[2];
-    m3 = mix[3];
-    sub = sbox;
-  }
-  var a, b, c, d, a2, b2, c2;
-  a = input[0] ^ w[0];
-  b = input[decrypt ? 3 : 1] ^ w[1];
-  c = input[2] ^ w[2];
-  d = input[decrypt ? 1 : 3] ^ w[3];
-  var i = 3;
-
-  /* In order to share code we follow the encryption algorithm when both
-    encrypting and decrypting. To account for the changes required in the
-    decryption algorithm, we use different lookup tables when decrypting
-    and use a modified key schedule to account for the difference in the
-    order of transformations applied when performing rounds. We also get
-    key rounds in reverse order (relative to encryption). */
-  for(var round = 1; round < Nr; ++round) {
-    /* As described above, we'll be using table lookups to perform the
-      column mixing. Each column is stored as a word in the state (the
-      array 'input' has one column as a word at each index). In order to
-      mix a column, we perform these transformations on each row in c,
-      which is 1 byte in each word. The new column for c0 is c'0:
-
-               m0      m1      m2      m3
-      r0,c'0 = 2*r0,c0 + 3*r1,c0 + 1*r2,c0 + 1*r3,c0
-      r1,c'0 = 1*r0,c0 + 2*r1,c0 + 3*r2,c0 + 1*r3,c0
-      r2,c'0 = 1*r0,c0 + 1*r1,c0 + 2*r2,c0 + 3*r3,c0
-      r3,c'0 = 3*r0,c0 + 1*r1,c0 + 1*r2,c0 + 2*r3,c0
-
-      So using mix tables where c0 is a word with r0 being its upper
-      8 bits and r3 being its lower 8 bits:
-
-      m0[c0 >> 24] will yield this word: [2*r0,1*r0,1*r0,3*r0]
-      ...
-      m3[c0 & 255] will yield this word: [1*r3,1*r3,3*r3,2*r3]
-
-      Therefore to mix the columns in each word in the state we
-      do the following (& 255 omitted for brevity):
-      c'0,r0 = m0[c0 >> 24] ^ m1[c1 >> 16] ^ m2[c2 >> 8] ^ m3[c3]
-      c'0,r1 = m0[c0 >> 24] ^ m1[c1 >> 16] ^ m2[c2 >> 8] ^ m3[c3]
-      c'0,r2 = m0[c0 >> 24] ^ m1[c1 >> 16] ^ m2[c2 >> 8] ^ m3[c3]
-      c'0,r3 = m0[c0 >> 24] ^ m1[c1 >> 16] ^ m2[c2 >> 8] ^ m3[c3]
-
-      However, before mixing, the algorithm requires us to perform
-      ShiftRows(). The ShiftRows() transformation cyclically shifts the
-      last 3 rows of the state over different offsets. The first row
-      (r = 0) is not shifted.
-
-      s'_r,c = s_r,(c + shift(r, Nb) mod Nb
-      for 0 < r < 4 and 0 <= c < Nb and
-      shift(1, 4) = 1
-      shift(2, 4) = 2
-      shift(3, 4) = 3.
-
-      This causes the first byte in r = 1 to be moved to the end of
-      the row, the first 2 bytes in r = 2 to be moved to the end of
-      the row, the first 3 bytes in r = 3 to be moved to the end of
-      the row:
-
-      r1: [c0 c1 c2 c3] => [c1 c2 c3 c0]
-      r2: [c0 c1 c2 c3]    [c2 c3 c0 c1]
-      r3: [c0 c1 c2 c3]    [c3 c0 c1 c2]
-
-      We can make these substitutions inline with our column mixing to
-      generate an updated set of equations to produce each word in the
-      state (note the columns have changed positions):
-
-      c0 c1 c2 c3 => c0 c1 c2 c3
-      c0 c1 c2 c3    c1 c2 c3 c0  (cycled 1 byte)
-      c0 c1 c2 c3    c2 c3 c0 c1  (cycled 2 bytes)
-      c0 c1 c2 c3    c3 c0 c1 c2  (cycled 3 bytes)
-
-      Therefore:
-
-      c'0 = 2*r0,c0 + 3*r1,c1 + 1*r2,c2 + 1*r3,c3
-      c'0 = 1*r0,c0 + 2*r1,c1 + 3*r2,c2 + 1*r3,c3
-      c'0 = 1*r0,c0 + 1*r1,c1 + 2*r2,c2 + 3*r3,c3
-      c'0 = 3*r0,c0 + 1*r1,c1 + 1*r2,c2 + 2*r3,c3
-
-      c'1 = 2*r0,c1 + 3*r1,c2 + 1*r2,c3 + 1*r3,c0
-      c'1 = 1*r0,c1 + 2*r1,c2 + 3*r2,c3 + 1*r3,c0
-      c'1 = 1*r0,c1 + 1*r1,c2 + 2*r2,c3 + 3*r3,c0
-      c'1 = 3*r0,c1 + 1*r1,c2 + 1*r2,c3 + 2*r3,c0
-
-      ... and so forth for c'2 and c'3. The important distinction is
-      that the columns are cycling, with c0 being used with the m0
-      map when calculating c0, but c1 being used with the m0 map when
-      calculating c1 ... and so forth.
-
-      When performing the inverse we transform the mirror image and
-      skip the bottom row, instead of the top one, and move upwards:
-
-      c3 c2 c1 c0 => c0 c3 c2 c1  (cycled 3 bytes) *same as encryption
-      c3 c2 c1 c0    c1 c0 c3 c2  (cycled 2 bytes)
-      c3 c2 c1 c0    c2 c1 c0 c3  (cycled 1 byte)  *same as encryption
-      c3 c2 c1 c0    c3 c2 c1 c0
-
-      If you compare the resulting matrices for ShiftRows()+MixColumns()
-      and for InvShiftRows()+InvMixColumns() the 2nd and 4th columns are
-      different (in encrypt mode vs. decrypt mode). So in order to use
-      the same code to handle both encryption and decryption, we will
-      need to do some mapping.
-
-      If in encryption mode we let a=c0, b=c1, c=c2, d=c3, and r<N> be
-      a row number in the state, then the resulting matrix in encryption
-      mode for applying the above transformations would be:
-
-      r1: a b c d
-      r2: b c d a
-      r3: c d a b
-      r4: d a b c
-
-      If we did the same in decryption mode we would get:
-
-      r1: a d c b
-      r2: b a d c
-      r3: c b a d
-      r4: d c b a
-
-      If instead we swap d and b (set b=c3 and d=c1), then we get:
-
-      r1: a b c d
-      r2: d a b c
-      r3: c d a b
-      r4: b c d a
-
-      Now the 1st and 3rd rows are the same as the encryption matrix. All
-      we need to do then to make the mapping exactly the same is to swap
-      the 2nd and 4th rows when in decryption mode. To do this without
-      having to do it on each iteration, we swapped the 2nd and 4th rows
-      in the decryption key schedule. We also have to do the swap above
-      when we first pull in the input and when we set the final output. */
-    a2 =
-      m0[a >>> 24] ^
-      m1[b >>> 16 & 255] ^
-      m2[c >>> 8 & 255] ^
-      m3[d & 255] ^ w[++i];
-    b2 =
-      m0[b >>> 24] ^
-      m1[c >>> 16 & 255] ^
-      m2[d >>> 8 & 255] ^
-      m3[a & 255] ^ w[++i];
-    c2 =
-      m0[c >>> 24] ^
-      m1[d >>> 16 & 255] ^
-      m2[a >>> 8 & 255] ^
-      m3[b & 255] ^ w[++i];
-    d =
-      m0[d >>> 24] ^
-      m1[a >>> 16 & 255] ^
-      m2[b >>> 8 & 255] ^
-      m3[c & 255] ^ w[++i];
-    a = a2;
-    b = b2;
-    c = c2;
-  }
-
-  /*
-    Encrypt:
-    SubBytes(state)
-    ShiftRows(state)
-    AddRoundKey(state, w[Nr*Nb, (Nr+1)*Nb-1])
-
-    Decrypt:
-    InvShiftRows(state)
-    InvSubBytes(state)
-    AddRoundKey(state, w[0, Nb-1])
-   */
-   // Note: rows are shifted inline
-  output[0] =
-    (sub[a >>> 24] << 24) ^
-    (sub[b >>> 16 & 255] << 16) ^
-    (sub[c >>> 8 & 255] << 8) ^
-    (sub[d & 255]) ^ w[++i];
-  output[decrypt ? 3 : 1] =
-    (sub[b >>> 24] << 24) ^
-    (sub[c >>> 16 & 255] << 16) ^
-    (sub[d >>> 8 & 255] << 8) ^
-    (sub[a & 255]) ^ w[++i];
-  output[2] =
-    (sub[c >>> 24] << 24) ^
-    (sub[d >>> 16 & 255] << 16) ^
-    (sub[a >>> 8 & 255] << 8) ^
-    (sub[b & 255]) ^ w[++i];
-  output[decrypt ? 1 : 3] =
-    (sub[d >>> 24] << 24) ^
-    (sub[a >>> 16 & 255] << 16) ^
-    (sub[b >>> 8 & 255] << 8) ^
-    (sub[c & 255]) ^ w[++i];
-};
-
-
-forge.aes._updateBlock = _updateBlock;
-
-/**
- * random.generate
- */
-
-// the default prng plugin, uses AES-128
-var prng_aes = {};
-var _prng_aes_output = new Array(4);
-var _prng_aes_buffer = forge.util.createBuffer();
-prng_aes.formatKey = function(key) {
-  // convert the key into 32-bit integers
-  var tmp = forge.util.createBuffer(key);
-  key = new Array(4);
-  key[0] = tmp.getInt32();
-  key[1] = tmp.getInt32();
-  key[2] = tmp.getInt32();
-  key[3] = tmp.getInt32();
-
-  // return the expanded key
-  return forge.aes._expandKey(key, false);
-};
-prng_aes.formatSeed = function(seed) {
-  // convert seed into 32-bit integers
-  var tmp = forge.util.createBuffer(seed);
-  seed = new Array(4);
-  seed[0] = tmp.getInt32();
-  seed[1] = tmp.getInt32();
-  seed[2] = tmp.getInt32();
-  seed[3] = tmp.getInt32();
-  return seed;
-};
-prng_aes.cipher = function(key, seed) {
-  forge.aes._updateBlock(key, seed, _prng_aes_output, false);
-  _prng_aes_buffer.putInt32(_prng_aes_output[0]);
-  _prng_aes_buffer.putInt32(_prng_aes_output[1]);
-  _prng_aes_buffer.putInt32(_prng_aes_output[2]);
-  _prng_aes_buffer.putInt32(_prng_aes_output[3]);
-  return _prng_aes_buffer.getBytes();
-};
-prng_aes.increment = function(seed) {
-  // FIXME: do we care about carry or signed issues?
-  ++seed[3];
-  return seed;
-};
-prng_aes.md = forge.md.sha1;
-
-// create default prng context
-var _ctx = forge.prng.create(prng_aes);
-
-// add other sources of entropy only if window.crypto.getRandomValues is not
-// available -- otherwise this source will be automatically used by the prng
-
-if (typeof window == 'undefined' || !window.crypto || !window.crypto.getRandomValues) {
-// if this is a web worker, do not use weak entropy, instead register to
-  // receive strong entropy asynchronously from the main thread
-  if(typeof window === 'undefined' || window.document === undefined) {
-    // FIXME:
-  }
-
-  // get load time entropy
-  _ctx.collectInt(+new Date(), 32);
-
-  // add some entropy from navigator object
-  if(typeof(navigator) !== 'undefined') {
-    var _navBytes = '';
-    for(var key in navigator) {
-      try {
-        if(typeof(navigator[key]) == 'string') {
-          _navBytes += navigator[key];
-        }
-      }
-      catch(e) {
-        /* Some navigator keys might not be accessible, e.g. the geolocation
-          attribute throws an exception if touched in Mozilla chrome://
-          context.
-
-          Silently ignore this and just don't use this as a source of
-          entropy. */
-      }
-    }
-    _ctx.collect(_navBytes);
-    _navBytes = null;
-  }
-}
-
-forge.random = _ctx;
-
-/**
- * random.getBytes
- */
-
-forge.random.getBytes = function(count, callback) {
-  return forge.random.generate(count, callback);
-};
-
-/**
- * pki
- * @author Dave Longley
- * @author Stefan Siegl <stesie@brokenpipe.de>
- *
- * Copyright (c) 2010-2013 Digital Bazaar, Inc.
- * Copyright (c) 2012 Stefan Siegl <stesie@brokenpipe.de>
- */
-
-/**
- * pki.rsa.createKeyPairGenerationState
- */
-
-forge.pki.rsa.createKeyPairGenerationState = function(bits, e) {
-  // set default bits
-  if(typeof(bits) === 'string') {
-    bits = parseInt(bits, 10);
-  }
-  bits = bits || 1024;
-
-  // create prng with api that matches BigInteger secure random
-  var rng = {
-    // x is an array to fill with bytes
-    nextBytes: function(x) {
-      var b = forge.random.getBytes(x.length);
-      for(var i = 0; i < x.length; ++i) {
-        x[i] = b.charCodeAt(i);
-      }
-    }
-  };
-
-  var rval = {
-    state: 0,
-    bits: bits,
-    rng: rng,
-    eInt: e || 65537,
-    e: new BigInteger(null),
-    p: null,
-    q: null,
-    qBits: bits >> 1,
-    pBits: bits - (bits >> 1),
-    pqState: 0,
-    num: null,
-    keys: null
-  };
-  rval.e.fromInt(rval.eInt);
-
-  return rval;
-};
-
-/**
- * jsbn.BigInteger
- */
-
-var dbits;
-
-// JavaScript engine analysis
-var canary = 0xdeadbeefcafe;
-var j_lm = ((canary&0xffffff)==0xefcafe);
-
-// (public) Constructor
-function BigInteger(a,b,c) {
-  this.data = [];
-  if(a != null)
-    if("number" == typeof a) this.fromNumber(a,b,c);
-    else if(b == null && "string" != typeof a) this.fromString(a,256);
-    else this.fromString(a,b);
-}
-
-// return new, unset BigInteger
-function nbi() { return new BigInteger(null); }
-
-// am: Compute w_j += (x*this_i), propagate carries,
-// c is initial carry, returns final carry.
-// c < 3*dvalue, x < 2*dvalue, this_i < dvalue
-// We need to select the fastest one that works in this environment.
-
-// am1: use a single mult and divide to get the high bits,
-// max digit bits should be 26 because
-// max internal value = 2*dvalue^2-2*dvalue (< 2^53)
-function am1(i,x,w,j,c,n) {
-  while(--n >= 0) {
-    var v = x*this.data[i++]+w.data[j]+c;
-    c = Math.floor(v/0x4000000);
-    w.data[j++] = v&0x3ffffff;
-  }
-  return c;
-}
-// am2 avoids a big mult-and-extract completely.
-// Max digit bits should be <= 30 because we do bitwise ops
-// on values up to 2*hdvalue^2-hdvalue-1 (< 2^31)
-function am2(i,x,w,j,c,n) {
-  var xl = x&0x7fff, xh = x>>15;
-  while(--n >= 0) {
-    var l = this.data[i]&0x7fff;
-    var h = this.data[i++]>>15;
-    var m = xh*l+h*xl;
-    l = xl*l+((m&0x7fff)<<15)+w.data[j]+(c&0x3fffffff);
-    c = (l>>>30)+(m>>>15)+xh*h+(c>>>30);
-    w.data[j++] = l&0x3fffffff;
-  }
-  return c;
-}
-// Alternately, set max digit bits to 28 since some
-// browsers slow down when dealing with 32-bit numbers.
-function am3(i,x,w,j,c,n) {
-  var xl = x&0x3fff, xh = x>>14;
-  while(--n >= 0) {
-    var l = this.data[i]&0x3fff;
-    var h = this.data[i++]>>14;
-    var m = xh*l+h*xl;
-    l = xl*l+((m&0x3fff)<<14)+w.data[j]+c;
-    c = (l>>28)+(m>>14)+xh*h;
-    w.data[j++] = l&0xfffffff;
-  }
-  return c;
-}
-
-// node.js (no browser)
-if(typeof(navigator) === 'undefined')
-{
-   BigInteger.prototype.am = am3;
-   dbits = 28;
-}
-else if(j_lm && (navigator.appName == "Microsoft Internet Explorer")) {
-  BigInteger.prototype.am = am2;
-  dbits = 30;
-}
-else if(j_lm && (navigator.appName != "Netscape")) {
-  BigInteger.prototype.am = am1;
-  dbits = 26;
-}
-else { // Mozilla/Netscape seems to prefer am3
-  BigInteger.prototype.am = am3;
-  dbits = 28;
-}
-
-BigInteger.prototype.DB = dbits;
-BigInteger.prototype.DM = ((1<<dbits)-1);
-BigInteger.prototype.DV = (1<<dbits);
-
-var BI_FP = 52;
-BigInteger.prototype.FV = Math.pow(2,BI_FP);
-BigInteger.prototype.F1 = BI_FP-dbits;
-BigInteger.prototype.F2 = 2*dbits-BI_FP;
-
-// Digit conversions
-var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz";
-var BI_RC = new Array();
-var rr,vv;
-rr = "0".charCodeAt(0);
-for(vv = 0; vv <= 9; ++vv) BI_RC[rr++] = vv;
-rr = "a".charCodeAt(0);
-for(vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
-rr = "A".charCodeAt(0);
-for(vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
-
-function int2char(n) { return BI_RM.charAt(n); }
-function intAt(s,i) {
-  var c = BI_RC[s.charCodeAt(i)];
-  return (c==null)?-1:c;
-}
-
-// (protected) copy this to r
-function bnpCopyTo(r) {
-  for(var i = this.t-1; i >= 0; --i) r.data[i] = this.data[i];
-  r.t = this.t;
-  r.s = this.s;
-}
-
-// (protected) set from integer value x, -DV <= x < DV
-function bnpFromInt(x) {
-  this.t = 1;
-  this.s = (x<0)?-1:0;
-  if(x > 0) this.data[0] = x;
-  else if(x < -1) this.data[0] = x+DV;
-  else this.t = 0;
-}
-
-// return bigint initialized to value
-function nbv(i) { var r = nbi(); r.fromInt(i); return r; }
-
-// (protected) set from string and radix
-function bnpFromString(s,b) {
-  var k;
-  if(b == 16) k = 4;
-  else if(b == 8) k = 3;
-  else if(b == 256) k = 8; // byte array
-  else if(b == 2) k = 1;
-  else if(b == 32) k = 5;
-  else if(b == 4) k = 2;
-  else { this.fromRadix(s,b); return; }
-  this.t = 0;
-  this.s = 0;
-  var i = s.length, mi = false, sh = 0;
-  while(--i >= 0) {
-    var x = (k==8)?s[i]&0xff:intAt(s,i);
-    if(x < 0) {
-      if(s.charAt(i) == "-") mi = true;
-      continue;
-    }
-    mi = false;
-    if(sh == 0)
-      this.data[this.t++] = x;
-    else if(sh+k > this.DB) {
-      this.data[this.t-1] |= (x&((1<<(this.DB-sh))-1))<<sh;
-      this.data[this.t++] = (x>>(this.DB-sh));
-    }
-    else
-      this.data[this.t-1] |= x<<sh;
-    sh += k;
-    if(sh >= this.DB) sh -= this.DB;
-  }
-  if(k == 8 && (s[0]&0x80) != 0) {
-    this.s = -1;
-    if(sh > 0) this.data[this.t-1] |= ((1<<(this.DB-sh))-1)<<sh;
-  }
-  this.clamp();
-  if(mi) BigInteger.ZERO.subTo(this,this);
-}
-
-// (protected) clamp off excess high words
-function bnpClamp() {
-  var c = this.s&this.DM;
-  while(this.t > 0 && this.data[this.t-1] == c) --this.t;
-}
-
-// (public) return string representation in given radix
-function bnToString(b) {
-  if(this.s < 0) return "-"+this.negate().toString(b);
-  var k;
-  if(b == 16) k = 4;
-  else if(b == 8) k = 3;
-  else if(b == 2) k = 1;
-  else if(b == 32) k = 5;
-  else if(b == 4) k = 2;
-  else return this.toRadix(b);
-  var km = (1<<k)-1, d, m = false, r = "", i = this.t;
-  var p = this.DB-(i*this.DB)%k;
-  if(i-- > 0) {
-    if(p < this.DB && (d = this.data[i]>>p) > 0) { m = true; r = int2char(d); }
-    while(i >= 0) {
-      if(p < k) {
-        d = (this.data[i]&((1<<p)-1))<<(k-p);
-        d |= this.data[--i]>>(p+=this.DB-k);
-      }
-      else {
-        d = (this.data[i]>>(p-=k))&km;
-        if(p <= 0) { p += this.DB; --i; }
-      }
-      if(d > 0) m = true;
-      if(m) r += int2char(d);
-    }
-  }
-  return m?r:"0";
-}
-
-// (public) -this
-function bnNegate() { var r = nbi(); BigInteger.ZERO.subTo(this,r); return r; }
-
-// (public) |this|
-function bnAbs() { return (this.s<0)?this.negate():this; }
-
-// (public) return + if this > a, - if this < a, 0 if equal
-function bnCompareTo(a) {
-  var r = this.s-a.s;
-  if(r != 0) return r;
-  var i = this.t;
-  r = i-a.t;
-  if(r != 0) return (this.s<0)?-r:r;
-  while(--i >= 0) if((r=this.data[i]-a.data[i]) != 0) return r;
-  return 0;
-}
-
-// returns bit length of the integer x
-function nbits(x) {
-  var r = 1, t;
-  if((t=x>>>16) != 0) { x = t; r += 16; }
-  if((t=x>>8) != 0) { x = t; r += 8; }
-  if((t=x>>4) != 0) { x = t; r += 4; }
-  if((t=x>>2) != 0) { x = t; r += 2; }
-  if((t=x>>1) != 0) { x = t; r += 1; }
-  return r;
-}
-
-// (public) return the number of bits in "this"
-function bnBitLength() {
-  if(this.t <= 0) return 0;
-  return this.DB*(this.t-1)+nbits(this.data[this.t-1]^(this.s&this.DM));
-}
-
-// (protected) r = this << n*DB
-function bnpDLShiftTo(n,r) {
-  var i;
-  for(i = this.t-1; i >= 0; --i) r.data[i+n] = this.data[i];
-  for(i = n-1; i >= 0; --i) r.data[i] = 0;
-  r.t = this.t+n;
-  r.s = this.s;
-}
-
-// (protected) r = this >> n*DB
-function bnpDRShiftTo(n,r) {
-  for(var i = n; i < this.t; ++i) r.data[i-n] = this.data[i];
-  r.t = Math.max(this.t-n,0);
-  r.s = this.s;
-}
-
-// (protected) r = this << n
-function bnpLShiftTo(n,r) {
-  var bs = n%this.DB;
-  var cbs = this.DB-bs;
-  var bm = (1<<cbs)-1;
-  var ds = Math.floor(n/this.DB), c = (this.s<<bs)&this.DM, i;
-  for(i = this.t-1; i >= 0; --i) {
-    r.data[i+ds+1] = (this.data[i]>>cbs)|c;
-    c = (this.data[i]&bm)<<bs;
-  }
-  for(i = ds-1; i >= 0; --i) r.data[i] = 0;
-  r.data[ds] = c;
-  r.t = this.t+ds+1;
-  r.s = this.s;
-  r.clamp();
-}
-
-// (protected) r = this >> n
-function bnpRShiftTo(n,r) {
-  r.s = this.s;
-  var ds = Math.floor(n/this.DB);
-  if(ds >= this.t) { r.t = 0; return; }
-  var bs = n%this.DB;
-  var cbs = this.DB-bs;
-  var bm = (1<<bs)-1;
-  r.data[0] = this.data[ds]>>bs;
-  for(var i = ds+1; i < this.t; ++i) {
-    r.data[i-ds-1] |= (this.data[i]&bm)<<cbs;
-    r.data[i-ds] = this.data[i]>>bs;
-  }
-  if(bs > 0) r.data[this.t-ds-1] |= (this.s&bm)<<cbs;
-  r.t = this.t-ds;
-  r.clamp();
-}
-
-// (protected) r = this - a
-function bnpSubTo(a,r) {
-  var i = 0, c = 0, m = Math.min(a.t,this.t);
-  while(i < m) {
-    c += this.data[i]-a.data[i];
-    r.data[i++] = c&this.DM;
-    c >>= this.DB;
-  }
-  if(a.t < this.t) {
-    c -= a.s;
-    while(i < this.t) {
-      c += this.data[i];
-      r.data[i++] = c&this.DM;
-      c >>= this.DB;
-    }
-    c += this.s;
-  }
-  else {
-    c += this.s;
-    while(i < a.t) {
-      c -= a.data[i];
-      r.data[i++] = c&this.DM;
-      c >>= this.DB;
-    }
-    c -= a.s;
-  }
-  r.s = (c<0)?-1:0;
-  if(c < -1) r.data[i++] = this.DV+c;
-  else if(c > 0) r.data[i++] = c;
-  r.t = i;
-  r.clamp();
-}
-
-// (protected) r = this * a, r != this,a (HAC 14.12)
-// "this" should be the larger one if appropriate.
-function bnpMultiplyTo(a,r) {
-  var x = this.abs(), y = a.abs();
-  var i = x.t;
-  r.t = i+y.t;
-  while(--i >= 0) r.data[i] = 0;
-  for(i = 0; i < y.t; ++i) r.data[i+x.t] = x.am(0,y.data[i],r,i,0,x.t);
-  r.s = 0;
-  r.clamp();
-  if(this.s != a.s) BigInteger.ZERO.subTo(r,r);
-}
-
-// (protected) r = this^2, r != this (HAC 14.16)
-function bnpSquareTo(r) {
-  var x = this.abs();
-  var i = r.t = 2*x.t;
-  while(--i >= 0) r.data[i] = 0;
-  for(i = 0; i < x.t-1; ++i) {
-    var c = x.am(i,x.data[i],r,2*i,0,1);
-    if((r.data[i+x.t]+=x.am(i+1,2*x.data[i],r,2*i+1,c,x.t-i-1)) >= x.DV) {
-      r.data[i+x.t] -= x.DV;
-      r.data[i+x.t+1] = 1;
-    }
-  }
-  if(r.t > 0) r.data[r.t-1] += x.am(i,x.data[i],r,2*i,0,1);
-  r.s = 0;
-  r.clamp();
-}
-
-// (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
-// r != q, this != m.  q or r may be null.
-function bnpDivRemTo(m,q,r) {
-  var pm = m.abs();
-  if(pm.t <= 0) return;
-  var pt = this.abs();
-  if(pt.t < pm.t) {
-    if(q != null) q.fromInt(0);
-    if(r != null) this.copyTo(r);
-    return;
-  }
-  if(r == null) r = nbi();
-  var y = nbi(), ts = this.s, ms = m.s;
-  var nsh = this.DB-nbits(pm.data[pm.t-1]); // normalize modulus
-  if(nsh > 0) { pm.lShiftTo(nsh,y); pt.lShiftTo(nsh,r); }
-  else { pm.copyTo(y); pt.copyTo(r); }
-  var ys = y.t;
-  var y0 = y.data[ys-1];
-  if(y0 == 0) return;
-  var yt = y0*(1<<this.F1)+((ys>1)?y.data[ys-2]>>this.F2:0);
-  var d1 = this.FV/yt, d2 = (1<<this.F1)/yt, e = 1<<this.F2;
-  var i = r.t, j = i-ys, t = (q==null)?nbi():q;
-  y.dlShiftTo(j,t);
-  if(r.compareTo(t) >= 0) {
-    r.data[r.t++] = 1;
-    r.subTo(t,r);
-  }
-  BigInteger.ONE.dlShiftTo(ys,t);
-  t.subTo(y,y); // "negative" y so we can replace sub with am later
-  while(y.t < ys) y.data[y.t++] = 0;
-  while(--j >= 0) {
-    // Estimate quotient digit
-    var qd = (r.data[--i]==y0)?this.DM:Math.floor(r.data[i]*d1+(r.data[i-1]+e)*d2);
-    if((r.data[i]+=y.am(0,qd,r,j,0,ys)) < qd) { // Try it out
-      y.dlShiftTo(j,t);
-      r.subTo(t,r);
-      while(r.data[i] < --qd) r.subTo(t,r);
-    }
-  }
-  if(q != null) {
-    r.drShiftTo(ys,q);
-    if(ts != ms) BigInteger.ZERO.subTo(q,q);
-  }
-  r.t = ys;
-  r.clamp();
-  if(nsh > 0) r.rShiftTo(nsh,r);  // Denormalize remainder
-  if(ts < 0) BigInteger.ZERO.subTo(r,r);
-}
-
-// (public) this mod a
-function bnMod(a) {
-  var r = nbi();
-  this.abs().divRemTo(a,null,r);
-  if(this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r,r);
-  return r;
-}
-
-// Modular reduction using "classic" algorithm
-function Classic(m) { this.m = m; }
-function cConvert(x) {
-  if(x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m);
-  else return x;
-}
-function cRevert(x) { return x; }
-function cReduce(x) { x.divRemTo(this.m,null,x); }
-function cMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
-function cSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
-
-Classic.prototype.convert = cConvert;
-Classic.prototype.revert = cRevert;
-Classic.prototype.reduce = cReduce;
-Classic.prototype.mulTo = cMulTo;
-Classic.prototype.sqrTo = cSqrTo;
-
-// (protected) return "-1/this % 2^DB"; useful for Mont. reduction
-// justification:
-//         xy == 1 (mod m)
-//         xy =  1+km
-//   xy(2-xy) = (1+km)(1-km)
-// x[y(2-xy)] = 1-k^2m^2
-// x[y(2-xy)] == 1 (mod m^2)
-// if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
-// should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
-// JS multiply "overflows" differently from C/C++, so care is needed here.
-function bnpInvDigit() {
-  if(this.t < 1) return 0;
-  var x = this.data[0];
-  if((x&1) == 0) return 0;
-  var y = x&3;    // y == 1/x mod 2^2
-  y = (y*(2-(x&0xf)*y))&0xf;  // y == 1/x mod 2^4
-  y = (y*(2-(x&0xff)*y))&0xff;  // y == 1/x mod 2^8
-  y = (y*(2-(((x&0xffff)*y)&0xffff)))&0xffff; // y == 1/x mod 2^16
-  // last step - calculate inverse mod DV directly;
-  // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
-  y = (y*(2-x*y%this.DV))%this.DV;    // y == 1/x mod 2^dbits
-  // we really want the negative inverse, and -DV < y < DV
-  return (y>0)?this.DV-y:-y;
-}
-
-// Montgomery reduction
-function Montgomery(m) {
-  this.m = m;
-  this.mp = m.invDigit();
-  this.mpl = this.mp&0x7fff;
-  this.mph = this.mp>>15;
-  this.um = (1<<(m.DB-15))-1;
-  this.mt2 = 2*m.t;
-}
-
-// xR mod m
-function montConvert(x) {
-  var r = nbi();
-  x.abs().dlShiftTo(this.m.t,r);
-  r.divRemTo(this.m,null,r);
-  if(x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r,r);
-  return r;
-}
-
-// x/R mod m
-function montRevert(x) {
-  var r = nbi();
-  x.copyTo(r);
-  this.reduce(r);
-  return r;
-}
-
-// x = x/R mod m (HAC 14.32)
-function montReduce(x) {
-  while(x.t <= this.mt2)  // pad x so am has enough room later
-    x.data[x.t++] = 0;
-  for(var i = 0; i < this.m.t; ++i) {
-    // faster way of calculating u0 = x.data[i]*mp mod DV
-    var j = x.data[i]&0x7fff;
-    var u0 = (j*this.mpl+(((j*this.mph+(x.data[i]>>15)*this.mpl)&this.um)<<15))&x.DM;
-    // use am to combine the multiply-shift-add into one call
-    j = i+this.m.t;
-    x.data[j] += this.m.am(0,u0,x,i,0,this.m.t);
-    // propagate carry
-    while(x.data[j] >= x.DV) { x.data[j] -= x.DV; x.data[++j]++; }
-  }
-  x.clamp();
-  x.drShiftTo(this.m.t,x);
-  if(x.compareTo(this.m) >= 0) x.subTo(this.m,x);
-}
-
-// r = "x^2/R mod m"; x != r
-function montSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
-
-// r = "xy/R mod m"; x,y != r
-function montMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
-
-Montgomery.prototype.convert = montConvert;
-Montgomery.prototype.revert = montRevert;
-Montgomery.prototype.reduce = montReduce;
-Montgomery.prototype.mulTo = montMulTo;
-Montgomery.prototype.sqrTo = montSqrTo;
-
-// (protected) true iff this is even
-function bnpIsEven() { return ((this.t>0)?(this.data[0]&1):this.s) == 0; }
-
-// (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
-function bnpExp(e,z) {
-  if(e > 0xffffffff || e < 1) return BigInteger.ONE;
-  var r = nbi(), r2 = nbi(), g = z.convert(this), i = nbits(e)-1;
-  g.copyTo(r);
-  while(--i >= 0) {
-    z.sqrTo(r,r2);
-    if((e&(1<<i)) > 0) z.mulTo(r2,g,r);
-    else { var t = r; r = r2; r2 = t; }
-  }
-  return z.revert(r);
-}
-
-// (public) this^e % m, 0 <= e < 2^32
-function bnModPowInt(e,m) {
-  var z;
-  if(e < 256 || m.isEven()) z = new Classic(m); else z = new Montgomery(m);
-  return this.exp(e,z);
-}
-
-// protected
-BigInteger.prototype.copyTo = bnpCopyTo;
-BigInteger.prototype.fromInt = bnpFromInt;
-BigInteger.prototype.fromString = bnpFromString;
-BigInteger.prototype.clamp = bnpClamp;
-BigInteger.prototype.dlShiftTo = bnpDLShiftTo;
-BigInteger.prototype.drShiftTo = bnpDRShiftTo;
-BigInteger.prototype.lShiftTo = bnpLShiftTo;
-BigInteger.prototype.rShiftTo = bnpRShiftTo;
-BigInteger.prototype.subTo = bnpSubTo;
-BigInteger.prototype.multiplyTo = bnpMultiplyTo;
-BigInteger.prototype.squareTo = bnpSquareTo;
-BigInteger.prototype.divRemTo = bnpDivRemTo;
-BigInteger.prototype.invDigit = bnpInvDigit;
-BigInteger.prototype.isEven = bnpIsEven;
-BigInteger.prototype.exp = bnpExp;
-
-// public
-BigInteger.prototype.toString = bnToString;
-BigInteger.prototype.negate = bnNegate;
-BigInteger.prototype.abs = bnAbs;
-BigInteger.prototype.compareTo = bnCompareTo;
-BigInteger.prototype.bitLength = bnBitLength;
-BigInteger.prototype.mod = bnMod;
-BigInteger.prototype.modPowInt = bnModPowInt;
-
-// "constants"
-BigInteger.ZERO = nbv(0);
-BigInteger.ONE = nbv(1);
-
-// jsbn2 lib
-
-//Copyright (c) 2005-2009  Tom Wu
-//All Rights Reserved.
-//See "LICENSE" for details (See jsbn.js for LICENSE).
-
-//Extended JavaScript BN functions, required for RSA private ops.
-
-//Version 1.1: new BigInteger("0", 10) returns "proper" zero
-
-//(public)
-function bnClone() { var r = nbi(); this.copyTo(r); return r; }
-
-//(public) return value as integer
-function bnIntValue() {
-if(this.s < 0) {
- if(this.t == 1) return this.data[0]-this.DV;
- else if(this.t == 0) return -1;
-}
-else if(this.t == 1) return this.data[0];
-else if(this.t == 0) return 0;
-// assumes 16 < DB < 32
-return ((this.data[1]&((1<<(32-this.DB))-1))<<this.DB)|this.data[0];
-}
-
-//(public) return value as byte
-function bnByteValue() { return (this.t==0)?this.s:(this.data[0]<<24)>>24; }
-
-//(public) return value as short (assumes DB>=16)
-function bnShortValue() { return (this.t==0)?this.s:(this.data[0]<<16)>>16; }
-
-//(protected) return x s.t. r^x < DV
-function bnpChunkSize(r) { return Math.floor(Math.LN2*this.DB/Math.log(r)); }
-
-//(public) 0 if this == 0, 1 if this > 0
-function bnSigNum() {
-if(this.s < 0) return -1;
-else if(this.t <= 0 || (this.t == 1 && this.data[0] <= 0)) return 0;
-else return 1;
-}
-
-//(protected) convert to radix string
-function bnpToRadix(b) {
-if(b == null) b = 10;
-if(this.signum() == 0 || b < 2 || b > 36) return "0";
-var cs = this.chunkSize(b);
-var a = Math.pow(b,cs);
-var d = nbv(a), y = nbi(), z = nbi(), r = "";
-this.divRemTo(d,y,z);
-while(y.signum() > 0) {
- r = (a+z.intValue()).toString(b).substr(1) + r;
- y.divRemTo(d,y,z);
-}
-return z.intValue().toString(b) + r;
-}
-
-//(protected) convert from radix string
-function bnpFromRadix(s,b) {
-this.fromInt(0);
-if(b == null) b = 10;
-var cs = this.chunkSize(b);
-var d = Math.pow(b,cs), mi = false, j = 0, w = 0;
-for(var i = 0; i < s.length; ++i) {
- var x = intAt(s,i);
- if(x < 0) {
-   if(s.charAt(i) == "-" && this.signum() == 0) mi = true;
-   continue;
- }
- w = b*w+x;
- if(++j >= cs) {
-   this.dMultiply(d);
-   this.dAddOffset(w,0);
-   j = 0;
-   w = 0;
- }
-}
-if(j > 0) {
- this.dMultiply(Math.pow(b,j));
- this.dAddOffset(w,0);
-}
-if(mi) BigInteger.ZERO.subTo(this,this);
-}
-
-//(protected) alternate constructor
-function bnpFromNumber(a,b,c) {
-if("number" == typeof b) {
- // new BigInteger(int,int,RNG)
- if(a < 2) this.fromInt(1);
- else {
-   this.fromNumber(a,c);
-   if(!this.testBit(a-1))  // force MSB set
-     this.bitwiseTo(BigInteger.ONE.shiftLeft(a-1),op_or,this);
-   if(this.isEven()) this.dAddOffset(1,0); // force odd
-   while(!this.isProbablePrime(b)) {
-     this.dAddOffset(2,0);
-     if(this.bitLength() > a) this.subTo(BigInteger.ONE.shiftLeft(a-1),this);
-   }
- }
-}
-else {
- // new BigInteger(int,RNG)
- var x = new Array(), t = a&7;
- x.length = (a>>3)+1;
- b.nextBytes(x);
- if(t > 0) x[0] &= ((1<<t)-1); else x[0] = 0;
- this.fromString(x,256);
-}
-}
-
-//(public) convert to bigendian byte array
-function bnToByteArray() {
-var i = this.t, r = new Array();
-r[0] = this.s;
-var p = this.DB-(i*this.DB)%8, d, k = 0;
-if(i-- > 0) {
- if(p < this.DB && (d = this.data[i]>>p) != (this.s&this.DM)>>p)
-   r[k++] = d|(this.s<<(this.DB-p));
- while(i >= 0) {
-   if(p < 8) {
-     d = (this.data[i]&((1<<p)-1))<<(8-p);
-     d |= this.data[--i]>>(p+=this.DB-8);
-   }
-   else {
-     d = (this.data[i]>>(p-=8))&0xff;
-     if(p <= 0) { p += this.DB; --i; }
-   }
-   if((d&0x80) != 0) d |= -256;
-   if(k == 0 && (this.s&0x80) != (d&0x80)) ++k;
-   if(k > 0 || d != this.s) r[k++] = d;
- }
-}
-return r;
-}
-
-function bnEquals(a) { return(this.compareTo(a)==0); }
-function bnMin(a) { return(this.compareTo(a)<0)?this:a; }
-function bnMax(a) { return(this.compareTo(a)>0)?this:a; }
-
-//(protected) r = this op a (bitwise)
-function bnpBitwiseTo(a,op,r) {
-var i, f, m = Math.min(a.t,this.t);
-for(i = 0; i < m; ++i) r.data[i] = op(this.data[i],a.data[i]);
-if(a.t < this.t) {
- f = a.s&this.DM;
- for(i = m; i < this.t; ++i) r.data[i] = op(this.data[i],f);
- r.t = this.t;
-}
-else {
- f = this.s&this.DM;
- for(i = m; i < a.t; ++i) r.data[i] = op(f,a.data[i]);
- r.t = a.t;
-}
-r.s = op(this.s,a.s);
-r.clamp();
-}
-
-//(public) this & a
-function op_and(x,y) { return x&y; }
-function bnAnd(a) { var r = nbi(); this.bitwiseTo(a,op_and,r); return r; }
-
-//(public) this | a
-function op_or(x,y) { return x|y; }
-function bnOr(a) { var r = nbi(); this.bitwiseTo(a,op_or,r); return r; }
-
-//(public) this ^ a
-function op_xor(x,y) { return x^y; }
-function bnXor(a) { var r = nbi(); this.bitwiseTo(a,op_xor,r); return r; }
-
-//(public) this & ~a
-function op_andnot(x,y) { return x&~y; }
-function bnAndNot(a) { var r = nbi(); this.bitwiseTo(a,op_andnot,r); return r; }
-
-//(public) ~this
-function bnNot() {
-var r = nbi();
-for(var i = 0; i < this.t; ++i) r.data[i] = this.DM&~this.data[i];
-r.t = this.t;
-r.s = ~this.s;
-return r;
-}
-
-//(public) this << n
-function bnShiftLeft(n) {
-var r = nbi();
-if(n < 0) this.rShiftTo(-n,r); else this.lShiftTo(n,r);
-return r;
-}
-
-//(public) this >> n
-function bnShiftRight(n) {
-var r = nbi();
-if(n < 0) this.lShiftTo(-n,r); else this.rShiftTo(n,r);
-return r;
-}
-
-//return index of lowest 1-bit in x, x < 2^31
-function lbit(x) {
-if(x == 0) return -1;
-var r = 0;
-if((x&0xffff) == 0) { x >>= 16; r += 16; }
-if((x&0xff) == 0) { x >>= 8; r += 8; }
-if((x&0xf) == 0) { x >>= 4; r += 4; }
-if((x&3) == 0) { x >>= 2; r += 2; }
-if((x&1) == 0) ++r;
-return r;
-}
-
-//(public) returns index of lowest 1-bit (or -1 if none)
-function bnGetLowestSetBit() {
-for(var i = 0; i < this.t; ++i)
- if(this.data[i] != 0) return i*this.DB+lbit(this.data[i]);
-if(this.s < 0) return this.t*this.DB;
-return -1;
-}
-
-//return number of 1 bits in x
-function cbit(x) {
-var r = 0;
-while(x != 0) { x &= x-1; ++r; }
-return r;
-}
-
-//(public) return number of set bits
-function bnBitCount() {
-var r = 0, x = this.s&this.DM;
-for(var i = 0; i < this.t; ++i) r += cbit(this.data[i]^x);
-return r;
-}
-
-//(public) true iff nth bit is set
-function bnTestBit(n) {
-var j = Math.floor(n/this.DB);
-if(j >= this.t) return(this.s!=0);
-return((this.data[j]&(1<<(n%this.DB)))!=0);
-}
-
-//(protected) this op (1<<n)
-function bnpChangeBit(n,op) {
-var r = BigInteger.ONE.shiftLeft(n);
-this.bitwiseTo(r,op,r);
-return r;
-}
-
-//(public) this | (1<<n)
-function bnSetBit(n) { return this.changeBit(n,op_or); }
-
-//(public) this & ~(1<<n)
-function bnClearBit(n) { return this.changeBit(n,op_andnot); }
-
-//(public) this ^ (1<<n)
-function bnFlipBit(n) { return this.changeBit(n,op_xor); }
-
-//(protected) r = this + a
-function bnpAddTo(a,r) {
-var i = 0, c = 0, m = Math.min(a.t,this.t);
-while(i < m) {
- c += this.data[i]+a.data[i];
- r.data[i++] = c&this.DM;
- c >>= this.DB;
-}
-if(a.t < this.t) {
- c += a.s;
- while(i < this.t) {
-   c += this.data[i];
-   r.data[i++] = c&this.DM;
-   c >>= this.DB;
- }
- c += this.s;
-}
-else {
- c += this.s;
- while(i < a.t) {
-   c += a.data[i];
-   r.data[i++] = c&this.DM;
-   c >>= this.DB;
- }
- c += a.s;
-}
-r.s = (c<0)?-1:0;
-if(c > 0) r.data[i++] = c;
-else if(c < -1) r.data[i++] = this.DV+c;
-r.t = i;
-r.clamp();
-}
-
-//(public) this + a
-function bnAdd(a) { var r = nbi(); this.addTo(a,r); return r; }
-
-//(public) this - a
-function bnSubtract(a) { var r = nbi(); this.subTo(a,r); return r; }
-
-//(public) this * a
-function bnMultiply(a) { var r = nbi(); this.multiplyTo(a,r); return r; }
-
-//(public) this / a
-function bnDivide(a) { var r = nbi(); this.divRemTo(a,r,null); return r; }
-
-//(public) this % a
-function bnRemainder(a) { var r = nbi(); this.divRemTo(a,null,r); return r; }
-
-//(public) [this/a,this%a]
-function bnDivideAndRemainder(a) {
-var q = nbi(), r = nbi();
-this.divRemTo(a,q,r);
-return new Array(q,r);
-}
-
-//(protected) this *= n, this >= 0, 1 < n < DV
-function bnpDMultiply(n) {
-this.data[this.t] = this.am(0,n-1,this,0,0,this.t);
-++this.t;
-this.clamp();
-}
-
-//(protected) this += n << w words, this >= 0
-function bnpDAddOffset(n,w) {
-if(n == 0) return;
-while(this.t <= w) this.data[this.t++] = 0;
-this.data[w] += n;
-while(this.data[w] >= this.DV) {
- this.data[w] -= this.DV;
- if(++w >= this.t) this.data[this.t++] = 0;
- ++this.data[w];
-}
-}
-
-//A "null" reducer
-function NullExp() {}
-function nNop(x) { return x; }
-function nMulTo(x,y,r) { x.multiplyTo(y,r); }
-function nSqrTo(x,r) { x.squareTo(r); }
-
-NullExp.prototype.convert = nNop;
-NullExp.prototype.revert = nNop;
-NullExp.prototype.mulTo = nMulTo;
-NullExp.prototype.sqrTo = nSqrTo;
-
-//(public) this^e
-function bnPow(e) { return this.exp(e,new NullExp()); }
-
-//(protected) r = lower n words of "this * a", a.t <= n
-//"this" should be the larger one if appropriate.
-function bnpMultiplyLowerTo(a,n,r) {
-var i = Math.min(this.t+a.t,n);
-r.s = 0; // assumes a,this >= 0
-r.t = i;
-while(i > 0) r.data[--i] = 0;
-var j;
-for(j = r.t-this.t; i < j; ++i) r.data[i+this.t] = this.am(0,a.data[i],r,i,0,this.t);
-for(j = Math.min(a.t,n); i < j; ++i) this.am(0,a.data[i],r,i,0,n-i);
-r.clamp();
-}
-
-//(protected) r = "this * a" without lower n words, n > 0
-//"this" should be the larger one if appropriate.
-function bnpMultiplyUpperTo(a,n,r) {
---n;
-var i = r.t = this.t+a.t-n;
-r.s = 0; // assumes a,this >= 0
-while(--i >= 0) r.data[i] = 0;
-for(i = Math.max(n-this.t,0); i < a.t; ++i)
- r.data[this.t+i-n] = this.am(n-i,a.data[i],r,0,0,this.t+i-n);
-r.clamp();
-r.drShiftTo(1,r);
-}
-
-//Barrett modular reduction
-function Barrett(m) {
-// setup Barrett
-this.r2 = nbi();
-this.q3 = nbi();
-BigInteger.ONE.dlShiftTo(2*m.t,this.r2);
-this.mu = this.r2.divide(m);
-this.m = m;
-}
-
-function barrettConvert(x) {
-if(x.s < 0 || x.t > 2*this.m.t) return x.mod(this.m);
-else if(x.compareTo(this.m) < 0) return x;
-else { var r = nbi(); x.copyTo(r); this.reduce(r); return r; }
-}
-
-function barrettRevert(x) { return x; }
-
-//x = x mod m (HAC 14.42)
-function barrettReduce(x) {
-x.drShiftTo(this.m.t-1,this.r2);
-if(x.t > this.m.t+1) { x.t = this.m.t+1; x.clamp(); }
-this.mu.multiplyUpperTo(this.r2,this.m.t+1,this.q3);
-this.m.multiplyLowerTo(this.q3,this.m.t+1,this.r2);
-while(x.compareTo(this.r2) < 0) x.dAddOffset(1,this.m.t+1);
-x.subTo(this.r2,x);
-while(x.compareTo(this.m) >= 0) x.subTo(this.m,x);
-}
-
-//r = x^2 mod m; x != r
-function barrettSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
-
-//r = x*y mod m; x,y != r
-function barrettMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
-
-Barrett.prototype.convert = barrettConvert;
-Barrett.prototype.revert = barrettRevert;
-Barrett.prototype.reduce = barrettReduce;
-Barrett.prototype.mulTo = barrettMulTo;
-Barrett.prototype.sqrTo = barrettSqrTo;
-
-//(public) this^e % m (HAC 14.85)
-function bnModPow(e,m) {
-var i = e.bitLength(), k, r = nbv(1), z;
-if(i <= 0) return r;
-else if(i < 18) k = 1;
-else if(i < 48) k = 3;
-else if(i < 144) k = 4;
-else if(i < 768) k = 5;
-else k = 6;
-if(i < 8)
- z = new Classic(m);
-else if(m.isEven())
- z = new Barrett(m);
-else
- z = new Montgomery(m);
-
-// precomputation
-var g = new Array(), n = 3, k1 = k-1, km = (1<<k)-1;
-g[1] = z.convert(this);
-if(k > 1) {
- var g2 = nbi();
- z.sqrTo(g[1],g2);
- while(n <= km) {
-   g[n] = nbi();
-   z.mulTo(g2,g[n-2],g[n]);
-   n += 2;
- }
-}
-
-var j = e.t-1, w, is1 = true, r2 = nbi(), t;
-i = nbits(e.data[j])-1;
-while(j >= 0) {
- if(i >= k1) w = (e.data[j]>>(i-k1))&km;
- else {
-   w = (e.data[j]&((1<<(i+1))-1))<<(k1-i);
-   if(j > 0) w |= e.data[j-1]>>(this.DB+i-k1);
- }
-
- n = k;
- while((w&1) == 0) { w >>= 1; --n; }
- if((i -= n) < 0) { i += this.DB; --j; }
- if(is1) {  // ret == 1, don't bother squaring or multiplying it
-   g[w].copyTo(r);
-   is1 = false;
- }
- else {
-   while(n > 1) { z.sqrTo(r,r2); z.sqrTo(r2,r); n -= 2; }
-   if(n > 0) z.sqrTo(r,r2); else { t = r; r = r2; r2 = t; }
-   z.mulTo(r2,g[w],r);
- }
-
- while(j >= 0 && (e.data[j]&(1<<i)) == 0) {
-   z.sqrTo(r,r2); t = r; r = r2; r2 = t;
-   if(--i < 0) { i = this.DB-1; --j; }
- }
-}
-return z.revert(r);
-}
-
-//(public) gcd(this,a) (HAC 14.54)
-function bnGCD(a) {
-var x = (this.s<0)?this.negate():this.clone();
-var y = (a.s<0)?a.negate():a.clone();
-if(x.compareTo(y) < 0) { var t = x; x = y; y = t; }
-var i = x.getLowestSetBit(), g = y.getLowestSetBit();
-if(g < 0) return x;
-if(i < g) g = i;
-if(g > 0) {
- x.rShiftTo(g,x);
- y.rShiftTo(g,y);
-}
-while(x.signum() > 0) {
- if((i = x.getLowestSetBit()) > 0) x.rShiftTo(i,x);
- if((i = y.getLowestSetBit()) > 0) y.rShiftTo(i,y);
- if(x.compareTo(y) >= 0) {
-   x.subTo(y,x);
-   x.rShiftTo(1,x);
- }
- else {
-   y.subTo(x,y);
-   y.rShiftTo(1,y);
- }
-}
-if(g > 0) y.lShiftTo(g,y);
-return y;
-}
-
-//(protected) this % n, n < 2^26
-function bnpModInt(n) {
-if(n <= 0) return 0;
-var d = this.DV%n, r = (this.s<0)?n-1:0;
-if(this.t > 0)
- if(d == 0) r = this.data[0]%n;
- else for(var i = this.t-1; i >= 0; --i) r = (d*r+this.data[i])%n;
-return r;
-}
-
-//(public) 1/this % m (HAC 14.61)
-function bnModInverse(m) {
-var ac = m.isEven();
-if((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO;
-var u = m.clone(), v = this.clone();
-var a = nbv(1), b = nbv(0), c = nbv(0), d = nbv(1);
-while(u.signum() != 0) {
- while(u.isEven()) {
-   u.rShiftTo(1,u);
-   if(ac) {
-     if(!a.isEven() || !b.isEven()) { a.addTo(this,a); b.subTo(m,b); }
-     a.rShiftTo(1,a);
-   }
-   else if(!b.isEven()) b.subTo(m,b);
-   b.rShiftTo(1,b);
- }
- while(v.isEven()) {
-   v.rShiftTo(1,v);
-   if(ac) {
-     if(!c.isEven() || !d.isEven()) { c.addTo(this,c); d.subTo(m,d); }
-     c.rShiftTo(1,c);
-   }
-   else if(!d.isEven()) d.subTo(m,d);
-   d.rShiftTo(1,d);
- }
- if(u.compareTo(v) >= 0) {
-   u.subTo(v,u);
-   if(ac) a.subTo(c,a);
-   b.subTo(d,b);
- }
- else {
-   v.subTo(u,v);
-   if(ac) c.subTo(a,c);
-   d.subTo(b,d);
- }
-}
-if(v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO;
-if(d.compareTo(m) >= 0) return d.subtract(m);
-if(d.signum() < 0) d.addTo(m,d); else return d;
-if(d.signum() < 0) return d.add(m); else return d;
-}
-
-var lowprimes = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499,503,509];
-var lplim = (1<<26)/lowprimes[lowprimes.length-1];
-
-//(public) test primality with certainty >= 1-.5^t
-function bnIsProbablePrime(t) {
-var i, x = this.abs();
-if(x.t == 1 && x.data[0] <= lowprimes[lowprimes.length-1]) {
- for(i = 0; i < lowprimes.length; ++i)
-   if(x.data[0] == lowprimes[i]) return true;
- return false;
-}
-if(x.isEven()) return false;
-i = 1;
-while(i < lowprimes.length) {
- var m = lowprimes[i], j = i+1;
- while(j < lowprimes.length && m < lplim) m *= lowprimes[j++];
- m = x.modInt(m);
- while(i < j) if(m%lowprimes[i++] == 0) return false;
-}
-return x.millerRabin(t);
-}
-
-//(protected) true if probably prime (HAC 4.24, Miller-Rabin)
-function bnpMillerRabin(t) {
-var n1 = this.subtract(BigInteger.ONE);
-var k = n1.getLowestSetBit();
-if(k <= 0) return false;
-var r = n1.shiftRight(k);
-t = (t+1)>>1;
-if(t > lowprimes.length) t = lowprimes.length;
-var a = nbi();
-for(var i = 0; i < t; ++i) {
- a.fromInt(lowprimes[i]);
- var y = a.modPow(r,this);
- if(y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
-   var j = 1;
-   while(j++ < k && y.compareTo(n1) != 0) {
-     y = y.modPowInt(2,this);
-     if(y.compareTo(BigInteger.ONE) == 0) return false;
-   }
-   if(y.compareTo(n1) != 0) return false;
- }
-}
-return true;
-}
-
-//protected
-BigInteger.prototype.chunkSize = bnpChunkSize;
-BigInteger.prototype.toRadix = bnpToRadix;
-BigInteger.prototype.fromRadix = bnpFromRadix;
-BigInteger.prototype.fromNumber = bnpFromNumber;
-BigInteger.prototype.bitwiseTo = bnpBitwiseTo;
-BigInteger.prototype.changeBit = bnpChangeBit;
-BigInteger.prototype.addTo = bnpAddTo;
-BigInteger.prototype.dMultiply = bnpDMultiply;
-BigInteger.prototype.dAddOffset = bnpDAddOffset;
-BigInteger.prototype.multiplyLowerTo = bnpMultiplyLowerTo;
-BigInteger.prototype.multiplyUpperTo = bnpMultiplyUpperTo;
-BigInteger.prototype.modInt = bnpModInt;
-BigInteger.prototype.millerRabin = bnpMillerRabin;
-
-//public
-BigInteger.prototype.clone = bnClone;
-BigInteger.prototype.intValue = bnIntValue;
-BigInteger.prototype.byteValue = bnByteValue;
-BigInteger.prototype.shortValue = bnShortValue;
-BigInteger.prototype.signum = bnSigNum;
-BigInteger.prototype.toByteArray = bnToByteArray;
-BigInteger.prototype.equals = bnEquals;
-BigInteger.prototype.min = bnMin;
-BigInteger.prototype.max = bnMax;
-BigInteger.prototype.and = bnAnd;
-BigInteger.prototype.or = bnOr;
-BigInteger.prototype.xor = bnXor;
-BigInteger.prototype.andNot = bnAndNot;
-BigInteger.prototype.not = bnNot;
-BigInteger.prototype.shiftLeft = bnShiftLeft;
-BigInteger.prototype.shiftRight = bnShiftRight;
-BigInteger.prototype.getLowestSetBit = bnGetLowestSetBit;
-BigInteger.prototype.bitCount = bnBitCount;
-BigInteger.prototype.testBit = bnTestBit;
-BigInteger.prototype.setBit = bnSetBit;
-BigInteger.prototype.clearBit = bnClearBit;
-BigInteger.prototype.flipBit = bnFlipBit;
-BigInteger.prototype.add = bnAdd;
-BigInteger.prototype.subtract = bnSubtract;
-BigInteger.prototype.multiply = bnMultiply;
-BigInteger.prototype.divide = bnDivide;
-BigInteger.prototype.remainder = bnRemainder;
-BigInteger.prototype.divideAndRemainder = bnDivideAndRemainder;
-BigInteger.prototype.modPow = bnModPow;
-BigInteger.prototype.modInverse = bnModInverse;
-BigInteger.prototype.pow = bnPow;
-BigInteger.prototype.gcd = bnGCD;
-BigInteger.prototype.isProbablePrime = bnIsProbablePrime;
-
-//BigInteger interfaces not implemented in jsbn:
-
-//BigInteger(int signum, byte[] magnitude)
-//double doubleValue()
-//float floatValue()
-//int hashCode()
-//long longValue()
-//static BigInteger valueOf(long val)
-
-forge.jsbn = forge.jsbn || {};
-forge.jsbn.BigInteger = BigInteger;
-
-/**
- * util.setImmediate
- */
-
-/* Utilities API */
-var util = forge.util = forge.util || {};
-
-// define setImmediate and nextTick
-if(typeof process === 'undefined' || !process.nextTick) {
-  if(typeof setImmediate === 'function') {
-    util.setImmediate = setImmediate;
-    util.nextTick = function(callback) {
-      return setImmediate(callback);
-    };
-  }
-  else {
-    util.setImmediate = function(callback) {
-      setTimeout(callback, 0);
-    };
-    util.nextTick = util.setImmediate;
-  }
-}
-else {
-  util.nextTick = process.nextTick;
-  if(typeof setImmediate === 'function') {
-    util.setImmediate = setImmediate;
-  }
-  else {
-    util.setImmediate = util.nextTick;
-  }
-}
-
-// _modPow
-
-var _modPow = function(x, key, pub) {
-  var y;
-
-  if(pub) {
-    y = x.modPow(key.e, key.n);
-  }
-  else {
-    // pre-compute dP, dQ, and qInv if necessary
-    if(!key.dP) {
-      key.dP = key.d.mod(key.p.subtract(BigInteger.ONE));
-    }
-    if(!key.dQ) {
-      key.dQ = key.d.mod(key.q.subtract(BigInteger.ONE));
-    }
-    if(!key.qInv) {
-      key.qInv = key.q.modInverse(key.p);
-    }
-
-    /* Chinese remainder theorem (CRT) states:
-
-      Suppose n1, n2, ..., nk are positive integers which are pairwise
-      coprime (n1 and n2 have no common factors other than 1). For any
-      integers x1, x2, ..., xk there exists an integer x solving the
-      system of simultaneous congruences (where ~= means modularly
-      congruent so a ~= b mod n means a mod n = b mod n):
-
-      x ~= x1 mod n1
-      x ~= x2 mod n2
-      ...
-      x ~= xk mod nk
-
-      This system of congruences has a single simultaneous solution x
-      between 0 and n - 1. Furthermore, each xk solution and x itself
-      is congruent modulo the product n = n1*n2*...*nk.
-      So x1 mod n = x2 mod n = xk mod n = x mod n.
-
-      The single simultaneous solution x can be solved with the following
-      equation:
-
-      x = sum(xi*ri*si) mod n where ri = n/ni and si = ri^-1 mod ni.
-
-      Where x is less than n, xi = x mod ni.
-
-      For RSA we are only concerned with k = 2. The modulus n = pq, where
-      p and q are coprime. The RSA decryption algorithm is:
-
-      y = x^d mod n
-
-      Given the above:
-
-      x1 = x^d mod p
-      r1 = n/p = q
-      s1 = q^-1 mod p
-      x2 = x^d mod q
-      r2 = n/q = p
-      s2 = p^-1 mod q
-
-      So y = (x1r1s1 + x2r2s2) mod n
-           = ((x^d mod p)q(q^-1 mod p) + (x^d mod q)p(p^-1 mod q)) mod n
-
-      According to Fermat's Little Theorem, if the modulus P is prime,
-      for any integer A not evenly divisible by P, A^(P-1) ~= 1 mod P.
-      Since A is not divisible by P it follows that if:
-      N ~= M mod (P - 1), then A^N mod P = A^M mod P. Therefore:
-
-      A^N mod P = A^(M mod (P - 1)) mod P. (The latter takes less effort
-      to calculate). In order to calculate x^d mod p more quickly the
-      exponent d mod (p - 1) is stored in the RSA private key (the same
-      is done for x^d mod q). These values are referred to as dP and dQ
-      respectively. Therefore we now have:
-
-      y = ((x^dP mod p)q(q^-1 mod p) + (x^dQ mod q)p(p^-1 mod q)) mod n
-
-      Since we'll be reducing x^dP by modulo p (same for q) we can also
-      reduce x by p (and q respectively) before hand. Therefore, let
-
-      xp = ((x mod p)^dP mod p), and
-      xq = ((x mod q)^dQ mod q), yielding:
-
-      y = (xp*q*(q^-1 mod p) + xq*p*(p^-1 mod q)) mod n
-
-      This can be further reduced to a simple algorithm that only
-      requires 1 inverse (the q inverse is used) to be used and stored.
-      The algorithm is called Garner's algorithm. If qInv is the
-      inverse of q, we simply calculate:
-
-      y = (qInv*(xp - xq) mod p) * q + xq
-
-      However, there are two further complications. First, we need to
-      ensure that xp > xq to prevent signed BigIntegers from being used
-      so we add p until this is true (since we will be mod'ing with
-      p anyway). Then, there is a known timing attack on algorithms
-      using the CRT. To mitigate this risk, "cryptographic blinding"
-      should be used (*Not yet implemented*). This requires simply
-      generating a random number r between 0 and n-1 and its inverse
-      and multiplying x by r^e before calculating y and then multiplying
-      y by r^-1 afterwards.
-    */
-
-    // TODO: do cryptographic blinding
-
-    // calculate xp and xq
-    var xp = x.mod(key.p).modPow(key.dP, key.p);
-    var xq = x.mod(key.q).modPow(key.dQ, key.q);
-
-    // xp must be larger than xq to avoid signed bit usage
-    while(xp.compareTo(xq) < 0) {
-      xp = xp.add(key.p);
-    }
-
-    // do last step
-    y = xp.subtract(xq)
-      .multiply(key.qInv).mod(key.p)
-      .multiply(key.q).add(xq);
-  }
-
-  return y;
-};
-
-/**
- * util.encodeUtf8
- */
-
-util.encodeUtf8 = function(str) {
-  return unescape(encodeURIComponent(str));
-};
-
-/**
- * util.decodeUtf8
- */
-
-util.decodeUtf8 = function(str) {
-  return decodeURIComponent(escape(str));
-};
-
-
-/**
- * Creates a buffer that stores bytes. A value may be given to put into the
- * buffer that is either a string of bytes or a UTF-16 string that will
- * be encoded using UTF-8 (to do the latter, specify 'utf8' as the encoding).
- *
- * @param [input] the bytes to wrap (as a string) or a UTF-16 string to encode
- *          as UTF-8.
- * @param [encoding] (default: 'raw', other: 'utf8').
- */
-util.createBuffer = function(input, encoding) {
-  encoding = encoding || 'raw';
-  if(input !== undefined && encoding === 'utf8') {
-    input = util.encodeUtf8(input);
-  }
-  return new util.ByteBuffer(input);
-};
-
-/**
- * util.hexToBytes
- */
-
-util.hexToBytes = function(hex) {
-  var rval = '';
-  var i = 0;
-  if(hex.length & 1 == 1) {
-    // odd number of characters, convert first character alone
-    i = 1;
-    rval += String.fromCharCode(parseInt(hex[0], 16));
-  }
-  // convert 2 characters (1 byte) at a time
-  for(; i < hex.length; i += 2) {
-    rval += String.fromCharCode(parseInt(hex.substr(i, 2), 16));
-  }
-  return rval;
-};
-
-/**
- * pki.rsa.decrypt
- */
-
-pki.rsa.decrypt = function(ed, key, pub, ml) {
-  // get the length of the modulus in bytes
-  var k = Math.ceil(key.n.bitLength() / 8);
-
-  // error if the length of the encrypted data ED is not k
-  if(ed.length != k) {
-    throw {
-      message: 'Encrypted message length is invalid.',
-      length: ed.length,
-      expected: k
-    };
-  }
-
-  // convert encrypted data into a big integer
-  // FIXME: hex conversion inefficient, get BigInteger w/byte strings
-  var y = new BigInteger(forge.util.createBuffer(ed).toHex(), 16);
-
-  // do RSA decryption
-  var x = _modPow(y, key, pub);
-
-  // create the encryption block, if x is shorter in bytes than k, then
-  // prepend zero bytes to fill up eb
-  // FIXME: hex conversion inefficient, get BigInteger w/byte strings
-  var xhex = x.toString(16);
-  var eb = forge.util.createBuffer();
-  var zeros = k - Math.ceil(xhex.length / 2);
-  while(zeros > 0) {
-    eb.putByte(0x00);
-    --zeros;
-  }
-  eb.putBytes(forge.util.hexToBytes(xhex));
-
-  if(ml !== false) {
-    /* It is an error if any of the following conditions occurs:
-
-      1. The encryption block EB cannot be parsed unambiguously.
-      2. The padding string PS consists of fewer than eight octets
-        or is inconsisent with the block type BT.
-      3. The decryption process is a public-key operation and the block
-        type BT is not 00 or 01, or the decryption process is a
-        private-key operation and the block type is not 02.
-     */
-
-    // parse the encryption block
-    var first = eb.getByte();
-    var bt = eb.getByte();
-    if(first !== 0x00 ||
-      (pub && bt !== 0x00 && bt !== 0x01) ||
-      (!pub && bt != 0x02) ||
-      (pub && bt === 0x00 && typeof(ml) === 'undefined')) {
-      throw {
-        message: 'Encryption block is invalid.'
-      };
-    }
-
-    var padNum = 0;
-    if(bt === 0x00) {
-      // check all padding bytes for 0x00
-      padNum = k - 3 - ml;
-      for(var i = 0; i < padNum; ++i) {
-        if(eb.getByte() !== 0x00) {
-          throw {
-            message: 'Encryption block is invalid.'
-          };
-        }
-      }
-    }
-    else if(bt === 0x01) {
-      // find the first byte that isn't 0xFF, should be after all padding
-      padNum = 0;
-      while(eb.length() > 1) {
-        if(eb.getByte() !== 0xFF) {
-          --eb.read;
-          break;
-        }
-        ++padNum;
-      }
-    }
-    else if(bt === 0x02) {
-      // look for 0x00 byte
-      padNum = 0;
-      while(eb.length() > 1) {
-        if(eb.getByte() === 0x00) {
-          --eb.read;
-          break;
-        }
-        ++padNum;
-      }
-    }
-
-    // zero must be 0x00 and padNum must be (k - 3 - message length)
-    var zero = eb.getByte();
-    if(zero !== 0x00 || padNum !== (k - 3 - eb.length())) {
-      throw {
-        message: 'Encryption block is invalid.'
-      };
-    }
-  }
-
-  // return message
-  return eb.getBytes();
-};
-
-/**
- * pki.rsa.encrypt
- */
-
-pki.rsa.encrypt = function(m, key, bt) {
-  var pub = bt;
-  var eb = forge.util.createBuffer();
-
-  // get the length of the modulus in bytes
-  var k = Math.ceil(key.n.bitLength() / 8);
-
-  if(bt !== false && bt !== true) {
-    /* use PKCS#1 v1.5 padding */
-    if(m.length > (k - 11)) {
-      throw {
-        message: 'Message is too long to encrypt.',
-        length: m.length,
-        max: (k - 11)
-      };
-    }
-
-    /* A block type BT, a padding string PS, and the data D shall be
-      formatted into an octet string EB, the encryption block:
-
-      EB = 00 || BT || PS || 00 || D
-
-      The block type BT shall be a single octet indicating the structure of
-      the encryption block. For this version of the document it shall have
-      value 00, 01, or 02. For a private-key operation, the block type
-      shall be 00 or 01. For a public-key operation, it shall be 02.
-
-      The padding string PS shall consist of k-3-||D|| octets. For block
-      type 00, the octets shall have value 00; for block type 01, they
-      shall have value FF; and for block type 02, they shall be
-      pseudorandomly generated and nonzero. This makes the length of the
-      encryption block EB equal to k. */
-
-    // build the encryption block
-    eb.putByte(0x00);
-    eb.putByte(bt);
-
-    // create the padding, get key type
-    var padNum = k - 3 - m.length;
-    var padByte;
-    if(bt === 0x00 || bt === 0x01) {
-      pub = false;
-      padByte = (bt === 0x00) ? 0x00 : 0xFF;
-      for(var i = 0; i < padNum; ++i) {
-        eb.putByte(padByte);
-      }
-    }
-    else {
-      pub = true;
-      for(var i = 0; i < padNum; ++i) {
-        padByte = Math.floor(Math.random() * 255) + 1;
-        eb.putByte(padByte);
-      }
-    }
-
-    // zero followed by message
-    eb.putByte(0x00);
-  }
-
-  eb.putBytes(m);
-
-  // load encryption block as big integer 'x'
-  // FIXME: hex conversion inefficient, get BigInteger w/byte strings
-  var x = new BigInteger(eb.toHex(), 16);
-
-  // do RSA encryption
-  var y = _modPow(x, key, pub);
-
-  // convert y into the encrypted data byte string, if y is shorter in
-  // bytes than k, then prepend zero bytes to fill up ed
-  // FIXME: hex conversion inefficient, get BigInteger w/byte strings
-  var yhex = y.toString(16);
-  var ed = forge.util.createBuffer();
-  var zeros = k - Math.ceil(yhex.length / 2);
-  while(zeros > 0) {
-    ed.putByte(0x00);
-    --zeros;
-  }
-  ed.putBytes(forge.util.hexToBytes(yhex));
-  return ed.getBytes();
-};
-
-/**
- * pki.rsa.setPrivateKey
- */
-
-pki.rsa.setPrivateKey = function(n, e, d, p, q, dP, dQ, qInv) {
-  var key = {
-    n: n,
-    e: e,
-    d: d,
-    p: p,
-    q: q,
-    dP: dP,
-    dQ: dQ,
-    qInv: qInv
-  };
-
-  /**
-   * Decrypts the given data with this private key.
-   *
-   * @param data the byte string to decrypt.
-   *
-   * @return the decrypted byte string.
-   */
-  key.decrypt = function(data) {
-    return pki.rsa.decrypt(data, key, false);
-  };
-
-  /**
-   * Signs the given digest, producing a signature.
-   *
-   * PKCS#1 supports multiple (currently two) signature schemes:
-   * RSASSA-PKCS1-v1_5 and RSASSA-PSS.
-   *
-   * By default this implementation uses the "old scheme", i.e.
-   * RSASSA-PKCS1-v1_5.  In order to generate a PSS signature, provide
-   * an instance of Forge PSS object as scheme parameter.
-   *
-   * @param md the message digest object with the hash to sign.
-   * @param scheme signature scheme to use, undefined for PKCS#1 v1.5
-   *   padding style.
-   * @return the signature as a byte string.
-   */
-  key.sign = function(md, scheme) {
-    var bt = false;  /* private key operation */
-
-    if(scheme === undefined) {
-      scheme = { encode: emsaPkcs1v15encode };
-      bt = 0x01;
-    }
-
-    var d = scheme.encode(md, key.n.bitLength());
-    return pki.rsa.encrypt(d, key, bt);
-  };
-
-  return key;
-};
-
-/**
- * _getValueLength
- */
-
-var _getValueLength = function(b) {
-  var b2 = b.getByte();
-  if(b2 == 0x80) {
-    return undefined;
-  }
-
-  // see if the length is "short form" or "long form" (bit 8 set)
-  var length;
-  var longForm = b2 & 0x80;
-  if(!longForm) {
-    // length is just the first byte
-    length = b2;
-  }
-  else {
-    // the number of bytes the length is specified in bits 7 through 1
-    // and each length byte is in big-endian base-256
-    length = b.getInt((b2 & 0x7F) << 3);
-  }
-  return length;
-};
-
-/**
- * asn1
- */
-
-/**
- * asn1.Type
- */
-
-var asn1 = forge.asn1 = forge.asn1 || {};
-asn1.Type = {
-  NONE:             0,
-  BOOLEAN:          1,
-  INTEGER:          2,
-  BITSTRING:        3,
-  OCTETSTRING:      4,
-  NULL:             5,
-  OID:              6,
-  ODESC:            7,
-  EXTERNAL:         8,
-  REAL:             9,
-  ENUMERATED:      10,
-  EMBEDDED:        11,
-  UTF8:            12,
-  ROID:            13,
-  SEQUENCE:        16,
-  SET:             17,
-  PRINTABLESTRING: 19,
-  IA5STRING:       22,
-  UTCTIME:         23,
-  GENERALIZEDTIME: 24,
-  BMPSTRING:       30
-};
-
-/**
- * asn1.Class
- */
-
-asn1.Class = {
-  UNIVERSAL:        0x00,
-  APPLICATION:      0x40,
-  CONTEXT_SPECIFIC: 0x80,
-  PRIVATE:          0xC0
-};
-
-/**
- * asn1.create
- */
-
-asn1.create = function(tagClass, type, constructed, value) {
-  /* An asn1 object has a tagClass, a type, a constructed flag, and a
-    value. The value's type depends on the constructed flag. If
-    constructed, it will contain a list of other asn1 objects. If not,
-    it will contain the ASN.1 value as an array of bytes formatted
-    according to the ASN.1 data type. */
-
-  // remove undefined values
-  if(value.constructor == Array) {
-    var tmp = [];
-    for(var i = 0; i < value.length; ++i) {
-      if(value[i] !== undefined) {
-        tmp.push(value[i]);
-      }
-    }
-    value = tmp;
-  }
-
-  return {
-    tagClass: tagClass,
-    type: type,
-    constructed: constructed,
-    composed: constructed || (value.constructor == Array),
-    value: value
-  };
-};
-
-/**
- * asn1.fromDer
- */
-
-asn1.fromDer = function(bytes) {
-  // wrap in buffer if needed
-  if(bytes.constructor == String) {
-    bytes = forge.util.createBuffer(bytes);
-  }
-
-  // minimum length for ASN.1 DER structure is 2
-  if(bytes.length() < 2)    {
-    throw {
-      message: 'Too few bytes to parse DER.',
-      bytes: bytes.length()
-    };
-  }
-
-  // get the first byte
-  var b1 = bytes.getByte();
-
-  // get the tag class
-  var tagClass = (b1 & 0xC0);
-
-  // get the type (bits 1-5)
-  var type = b1 & 0x1F;
-
-  // get the value length
-  var length = _getValueLength(bytes);
-
-  // ensure there are enough bytes to get the value
-  if(bytes.length() < length) {
-    throw {
-      message: 'Too few bytes to read ASN.1 value.',
-      detail: bytes.length() + ' < ' + length
-    };
-  }
-
-  // prepare to get value
-  var value;
-
-  // constructed flag is bit 6 (32 = 0x20) of the first byte
-  var constructed = ((b1 & 0x20) == 0x20);
-
-  // determine if the value is composed of other ASN.1 objects (if its
-  // constructed it will be and if its a BITSTRING it may be)
-  var composed = constructed;
-  if(!composed && tagClass === asn1.Class.UNIVERSAL &&
-    type === asn1.Type.BITSTRING && length > 1) {
-    /* The first octet gives the number of bits by which the length of the
-      bit string is less than the next multiple of eight (this is called
-      the "number of unused bits").
-
-      The second and following octets give the value of the bit string
-      converted to an octet string. */
-    // if there are no unused bits, maybe the bitstring holds ASN.1 objs
-    var read = bytes.read;
-    var unused = bytes.getByte();
-    if(unused === 0) {
-      // if the first byte indicates UNIVERSAL or CONTEXT_SPECIFIC,
-      // and the length is valid, assume we've got an ASN.1 object
-      b1 = bytes.getByte();
-      var tc = (b1 & 0xC0);
-      if(tc === asn1.Class.UNIVERSAL ||
-        tc === asn1.Class.CONTEXT_SPECIFIC) {
-        try {
-          var len = _getValueLength(bytes);
-          composed = (len === length - (bytes.read - read));
-          if(composed) {
-            // adjust read/length to account for unused bits byte
-            ++read;
-            --length;
-          }
-        }
-        catch(ex) {}
-      }
-    }
-    // restore read pointer
-    bytes.read = read;
-  }
-
-  if(composed) {
-    // parse child asn1 objects from the value
-    value = [];
-    if(length === undefined) {
-      // asn1 object of indefinite length, read until end tag
-      for(;;) {
-        if(bytes.bytes(2) === String.fromCharCode(0, 0)) {
-          bytes.getBytes(2);
-          break;
-        }
-        value.push(asn1.fromDer(bytes));
-      }
-    }
-    else {
-      // parsing asn1 object of definite length
-      var start = bytes.length();
-      while(length > 0) {
-        value.push(asn1.fromDer(bytes));
-        length -= start - bytes.length();
-        start = bytes.length();
-      }
-    }
-  }
-  // asn1 not composed, get raw value
-  else {
-    // TODO: do DER to OID conversion and vice-versa in .toDer?
-
-    if(length === undefined) {
-      throw {
-        message: 'Non-constructed ASN.1 object of indefinite length.'
-      };
-    }
-
-    if(type === asn1.Type.BMPSTRING) {
-      value = '';
-      for(var i = 0; i < length; i += 2) {
-        value += String.fromCharCode(bytes.getInt16());
-      }
-    }
-    else {
-      value = bytes.getBytes(length);
-    }
-  }
-
-  // create and return asn1 object
-  return asn1.create(tagClass, type, constructed, value);
-};
-
-/**
- * asn1.toDer
- */
-
-asn1.toDer = function(obj) {
-  var bytes = forge.util.createBuffer();
-
-  // build the first byte
-  var b1 = obj.tagClass | obj.type;
-
-  // for storing the ASN.1 value
-  var value = forge.util.createBuffer();
-
-  // if composed, use each child asn1 object's DER bytes as value
-  if(obj.composed) {
-    // turn on 6th bit (0x20 = 32) to indicate asn1 is constructed
-    // from other asn1 objects
-    if(obj.constructed) {
-      b1 |= 0x20;
-    }
-    // if type is a bit string, add unused bits of 0x00
-    else {
-      value.putByte(0x00);
-    }
-
-    // add all of the child DER bytes together
-    for(var i = 0; i < obj.value.length; ++i) {
-      if(obj.value[i] !== undefined) {
-        value.putBuffer(asn1.toDer(obj.value[i]));
-      }
-    }
-  }
-  // use asn1.value directly
-  else {
-    if(obj.type === asn1.Type.BMPSTRING) {
-      for(var i = 0; i < obj.value.length; ++i) {
-        value.putInt16(obj.value.charCodeAt(i));
-      }
-    }
-    else {
-      value.putBytes(obj.value);
-    }
-  }
-
-  // add tag byte
-  bytes.putByte(b1);
-
-  // use "short form" encoding
-  if(value.length() <= 127) {
-    // one byte describes the length
-    // bit 8 = 0 and bits 7-1 = length
-    bytes.putByte(value.length() & 0x7F);
-  }
-  // use "long form" encoding
-  else {
-    // 2 to 127 bytes describe the length
-    // first byte: bit 8 = 1 and bits 7-1 = # of additional bytes
-    // other bytes: length in base 256, big-endian
-    var len = value.length();
-    var lenBytes = '';
-    do {
-      lenBytes += String.fromCharCode(len & 0xFF);
-      len = len >>> 8;
-    }
-    while(len > 0);
-
-    // set first byte to # bytes used to store the length and turn on
-    // bit 8 to indicate long-form length is used
-    bytes.putByte(lenBytes.length | 0x80);
-
-    // concatenate length bytes in reverse since they were generated
-    // little endian and we need big endian
-    for(var i = lenBytes.length - 1; i >= 0; --i) {
-      bytes.putByte(lenBytes.charCodeAt(i));
-    }
-  }
-
-  // concatenate value bytes
-  bytes.putBuffer(value);
-  return bytes;
-};
-
-/**
- * pki.rsa.setPublicKey
- */
-
-pki.rsa.setPublicKey = function(n, e) {
-  var key = {
-    n: n,
-    e: e
-  };
-
-  /**
-   * Encrypts the given data with this public key.
-   *
-   * @param data the byte string to encrypt.
-   *
-   * @return the encrypted byte string.
-   */
-  key.encrypt = function(data) {
-    return pki.rsa.encrypt(data, key, 0x02);
-  };
-
-  /**
-   * Verifies the given signature against the given digest.
-   *
-   * PKCS#1 supports multiple (currently two) signature schemes:
-   * RSASSA-PKCS1-v1_5 and RSASSA-PSS.
-   *
-   * By default this implementation uses the "old scheme", i.e.
-   * RSASSA-PKCS1-v1_5, in which case once RSA-decrypted, the
-   * signature is an OCTET STRING that holds a DigestInfo.
-   *
-   * DigestInfo ::= SEQUENCE {
-   *   digestAlgorithm DigestAlgorithmIdentifier,
-   *   digest Digest
-   * }
-   * DigestAlgorithmIdentifier ::= AlgorithmIdentifier
-   * Digest ::= OCTET STRING
-   *
-   * To perform PSS signature verification, provide an instance
-   * of Forge PSS object as scheme parameter.
-   *
-   * @param digest the message digest hash to compare against the signature.
-   * @param signature the signature to verify.
-   * @param scheme signature scheme to use, undefined for PKCS#1 v1.5
-   *   padding style.
-   * @return true if the signature was verified, false if not.
-   */
-   key.verify = function(digest, signature, scheme) {
-     // do rsa decryption
-     var ml = scheme === undefined ? undefined : false;
-     var d = pki.rsa.decrypt(signature, key, true, ml);
-
-     if(scheme === undefined) {
-       // d is ASN.1 BER-encoded DigestInfo
-       var obj = asn1.fromDer(d);
-
-       // compare the given digest to the decrypted one
-       return digest === obj.value[1].value;
-     }
-     else {
-       return scheme.verify(digest, d, key.n.bitLength());
-     }
-  };
-
-  return key;
-};
-
-/**
- * pki.rsa.stepKeyPairGenerationState
- */
-
-var GCD_30_DELTA = [6, 4, 2, 4, 2, 4, 6, 2];
-
-pki.rsa.stepKeyPairGenerationState = function(state, n) {
-  // do key generation (based on Tom Wu's rsa.js, see jsbn.js license)
-  // with some minor optimizations and designed to run in steps
-
-  // local state vars
-  var THIRTY = new BigInteger(null);
-  THIRTY.fromInt(30);
-  var deltaIdx = 0;
-  var op_or = function(x,y) { return x|y; };
-
-  // keep stepping until time limit is reached or done
-  var t1 = +new Date();
-  var t2;
-  var total = 0;
-  while(state.keys === null && (n <= 0 || total < n)) {
-    // generate p or q
-    if(state.state === 0) {
-      /* Note: All primes are of the form:
-
-        30k+i, for i < 30 and gcd(30, i)=1, where there are 8 values for i
-
-        When we generate a random number, we always align it at 30k + 1. Each
-        time the number is determined not to be prime we add to get to the
-        next 'i', eg: if the number was at 30k + 1 we add 6. */
-      var bits = (state.p === null) ? state.pBits : state.qBits;
-      var bits1 = bits - 1;
-
-      // get a random number
-      if(state.pqState === 0) {
-        state.num = new BigInteger(bits, state.rng);
-        // force MSB set
-        if(!state.num.testBit(bits1)) {
-          state.num.bitwiseTo(
-            BigInteger.ONE.shiftLeft(bits1), op_or, state.num);
-        }
-        // align number on 30k+1 boundary
-        state.num.dAddOffset(31 - state.num.mod(THIRTY).byteValue(), 0);
-        deltaIdx = 0;
-
-        ++state.pqState;
-      }
-      // try to make the number a prime
-      else if(state.pqState === 1) {
-        // overflow, try again
-        if(state.num.bitLength() > bits) {
-          state.pqState = 0;
-        }
-        // do primality test
-        else if(state.num.isProbablePrime(1)) {
-          ++state.pqState;
-        }
-        else {
-          // get next potential prime
-          state.num.dAddOffset(GCD_30_DELTA[deltaIdx++ % 8], 0);
-        }
-      }
-      // ensure number is coprime with e
-      else if(state.pqState === 2) {
-        state.pqState =
-          (state.num.subtract(BigInteger.ONE).gcd(state.e)
-          .compareTo(BigInteger.ONE) === 0) ? 3 : 0;
-      }
-      // ensure number is a probable prime
-      else if(state.pqState === 3) {
-        state.pqState = 0;
-        if(state.num.isProbablePrime(10)) {
-          if(state.p === null) {
-            state.p = state.num;
-          }
-          else {
-            state.q = state.num;
-          }
-
-          // advance state if both p and q are ready
-          if(state.p !== null && state.q !== null) {
-            ++state.state;
-          }
-        }
-        state.num = null;
-      }
-    }
-    // ensure p is larger than q (swap them if not)
-    else if(state.state === 1) {
-      if(state.p.compareTo(state.q) < 0) {
-        state.num = state.p;
-        state.p = state.q;
-        state.q = state.num;
-      }
-      ++state.state;
-    }
-    // compute phi: (p - 1)(q - 1) (Euler's totient function)
-    else if(state.state === 2) {
-      state.p1 = state.p.subtract(BigInteger.ONE);
-      state.q1 = state.q.subtract(BigInteger.ONE);
-      state.phi = state.p1.multiply(state.q1);
-      ++state.state;
-    }
-    // ensure e and phi are coprime
-    else if(state.state === 3) {
-      if(state.phi.gcd(state.e).compareTo(BigInteger.ONE) === 0) {
-        // phi and e are coprime, advance
-        ++state.state;
-      }
-      else {
-        // phi and e aren't coprime, so generate a new p and q
-        state.p = null;
-        state.q = null;
-        state.state = 0;
-      }
-    }
-    // create n, ensure n is has the right number of bits
-    else if(state.state === 4) {
-      state.n = state.p.multiply(state.q);
-
-      // ensure n is right number of bits
-      if(state.n.bitLength() === state.bits) {
-        // success, advance
-        ++state.state;
-      }
-      else {
-        // failed, get new q
-        state.q = null;
-        state.state = 0;
-      }
-    }
-    // set keys
-    else if(state.state === 5) {
-      var d = state.e.modInverse(state.phi);
-      state.keys = {
-        privateKey: forge.pki.rsa.setPrivateKey(
-          state.n, state.e, d, state.p, state.q,
-          d.mod(state.p1), d.mod(state.q1),
-          state.q.modInverse(state.p)),
-        publicKey: forge.pki.rsa.setPublicKey(state.n, state.e)
-      };
-    }
-
-    // update timing
-    t2 = +new Date();
-    total += t2 - t1;
-    t1 = t2;
-  }
-
-  return state.keys !== null;
-};
-
-/**
- * _generateKeyPair
- */
-
-function _generateKeyPair(state, options, callback) {
-  if(typeof options === 'function') {
-    callback = options;
-    options = {};
-  }
-
-  // web workers unavailable, use setImmediate
-  if(false || typeof(Worker) === 'undefined') {
-    function step() {
-      // 10 ms gives 5ms of leeway for other calculations before dropping
-      // below 60fps (1000/60 == 16.67), but in reality, the number will
-      // likely be higher due to an 'atomic' big int modPow
-      if(forge.pki.rsa.stepKeyPairGenerationState(state, 10)) {
-        return callback(null, state.keys);
-      }
-      forge.util.setImmediate(step);
-    }
-    return step();
-  }
-
-  // use web workers to generate keys
-  var numWorkers = options.workers || 2;
-  var workLoad = options.workLoad || 100;
-  var range = workLoad * 30/8;
-  var workerScript = options.workerScript || 'forge/prime.worker.js';
-  var THIRTY = new BigInteger(null);
-  THIRTY.fromInt(30);
-  var op_or = function(x,y) { return x|y; };
-  generate();
-
-  function generate() {
-    // find p and then q (done in series to simplify setting worker number)
-    getPrime(state.pBits, function(err, num) {
-      if(err) {
-        return callback(err);
-      }
-      state.p = num;
-      getPrime(state.qBits, finish);
-    });
-  }
-
-  // implement prime number generation using web workers
-  function getPrime(bits, callback) {
-    // TODO: consider optimizing by starting workers outside getPrime() ...
-    // note that in order to clean up they will have to be made internally
-    // asynchronous which may actually be slower
-
-    // start workers immediately
-    var workers = [];
-    for(var i = 0; i < numWorkers; ++i) {
-      // FIXME: fix path or use blob URLs
-      workers[i] = new Worker(workerScript);
-    }
-    var running = numWorkers;
-
-    // initialize random number
-    var num = generateRandom();
-
-    // listen for requests from workers and assign ranges to find prime
-    for(var i = 0; i < numWorkers; ++i) {
-      workers[i].addEventListener('message', workerMessage);
-    }
-
-    /* Note: The distribution of random numbers is unknown. Therefore, each
-    web worker is continuously allocated a range of numbers to check for a
-    random number until one is found.
-
-    Every 30 numbers will be checked just 8 times, because prime numbers
-    have the form:
-
-    30k+i, for i < 30 and gcd(30, i)=1 (there are 8 values of i for this)
-
-    Therefore, if we want a web worker to run N checks before asking for
-    a new range of numbers, each range must contain N*30/8 numbers.
-
-    For 100 checks (workLoad), this is a range of 375. */
-
-    function generateRandom() {
-      var bits1 = bits - 1;
-      var num = new BigInteger(bits, state.rng);
-      // force MSB set
-      if(!num.testBit(bits1)) {
-        num.bitwiseTo(BigInteger.ONE.shiftLeft(bits1), op_or, num);
-      }
-      // align number on 30k+1 boundary
-      num.dAddOffset(31 - num.mod(THIRTY).byteValue(), 0);
-      return num;
-    }
-
-    var found = false;
-    function workerMessage(e) {
-      // ignore message, prime already found
-      if(found) {
-        return;
-      }
-
-      --running;
-      var data = e.data;
-      if(data.found) {
-        // terminate all workers
-        for(var i = 0; i < workers.length; ++i) {
-          workers[i].terminate();
-        }
-        found = true;
-        return callback(null, new BigInteger(data.prime, 16));
-      }
-
-      // overflow, regenerate prime
-      if(num.bitLength() > bits) {
-        num = generateRandom();
-      }
-
-      // assign new range to check
-      var hex = num.toString(16);
-
-      // start prime search
-      e.target.postMessage({
-        e: state.eInt,
-        hex: hex,
-        workLoad: workLoad
-      });
-
-      num.dAddOffset(range, 0);
-    }
-  }
-
-  function finish(err, num) {
-    // set q
-    state.q = num;
-
-    // ensure p is larger than q (swap them if not)
-    if(state.p.compareTo(state.q) < 0) {
-      var tmp = state.p;
-      state.p = state.q;
-      state.q = tmp;
-    }
-
-    // compute phi: (p - 1)(q - 1) (Euler's totient function)
-    state.p1 = state.p.subtract(BigInteger.ONE);
-    state.q1 = state.q.subtract(BigInteger.ONE);
-    state.phi = state.p1.multiply(state.q1);
-
-    // ensure e and phi are coprime
-    if(state.phi.gcd(state.e).compareTo(BigInteger.ONE) !== 0) {
-      // phi and e aren't coprime, so generate a new p and q
-      state.p = state.q = null;
-      generate();
-      return;
-    }
-
-    // create n, ensure n is has the right number of bits
-    state.n = state.p.multiply(state.q);
-    if(state.n.bitLength() !== state.bits) {
-      // failed, get new q
-      state.q = null;
-      getPrime(state.qBits, finish);
-      return;
-    }
-
-    // set keys
-    var d = state.e.modInverse(state.phi);
-    state.keys = {
-      privateKey: forge.pki.rsa.setPrivateKey(
-        state.n, state.e, d, state.p, state.q,
-        d.mod(state.p1), d.mod(state.q1),
-        state.q.modInverse(state.p)),
-      publicKey: forge.pki.rsa.setPublicKey(state.n, state.e)
-    };
-
-    callback(null, state.keys);
-  }
-}
-
-/**
- * pki.rsa.generateKeyPair
- */
-
-pki.rsa.generateKeyPair = function(bits, e, options, callback) {
-  // (bits), (options), (callback)
-  if(arguments.length === 1) {
-    if(typeof bits === 'object') {
-      options = bits;
-      bits = undefined;
-    }
-    else if(typeof bits === 'function') {
-      callback = bits;
-      bits = undefined;
-    }
-  }
-  // (bits, options), (bits, callback), (options, callback)
-  else if(arguments.length === 2) {
-    if(typeof bits === 'number') {
-      if(typeof e === 'function') {
-        callback = e;
-      }
-      else {
-        options = e;
-      }
-    }
-    else {
-      options = bits;
-      callback = e;
-      bits = undefined;
-    }
-    e = undefined;
-  }
-  // (bits, e, options), (bits, e, callback), (bits, options, callback)
-  else if(arguments.length === 3) {
-    if(typeof e === 'number') {
-      if(typeof options === 'function') {
-        callback = options;
-        options = undefined;
-      }
-    }
-    else {
-      callback = options;
-      options = e;
-      e = undefined;
-    }
-  }
-  options = options || {};
-  if(bits === undefined) {
-    bits = options.bits || 1024;
-  }
-  if(e === undefined) {
-    e = options.e || 0x10001;
-  }
-  var state = pki.rsa.createKeyPairGenerationState(bits, e);
-  if(!callback) {
-    pki.rsa.stepKeyPairGenerationState(state, 0);
-    return state.keys;
-  }
-  _generateKeyPair(state, options, callback);
-};
-
-/**
- * _bnToBytes
- */
-
-var _bnToBytes = function(b) {
-  // prepend 0x00 if first byte >= 0x80
-  var hex = b.toString(16);
-  if(hex[0] >= '8') {
-    hex = '00' + hex;
-  }
-  return forge.util.hexToBytes(hex);
-};
-
-/**
- * pki.publicKeyToRSAPublicKey
- */
-
-pki.publicKeyToRSAPublicKey = function(key) {
-  // RSAPublicKey
-  return asn1.create(asn1.Class.UNIVERSAL, asn1.Type.SEQUENCE, true, [
-    // modulus (n)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      _bnToBytes(key.n)),
-    // publicExponent (e)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      _bnToBytes(key.e))
-  ]);
-};
-
-/**
- * util.encode64
- */
-
-var _base64 =
-  'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
-
-util.encode64 = function(input, maxline) {
-  var line = '';
-  var output = '';
-  var chr1, chr2, chr3;
-  var i = 0;
-  while(i < input.length) {
-    chr1 = input.charCodeAt(i++);
-    chr2 = input.charCodeAt(i++);
-    chr3 = input.charCodeAt(i++);
-
-    // encode 4 character group
-    line += _base64.charAt(chr1 >> 2);
-    line += _base64.charAt(((chr1 & 3) << 4) | (chr2 >> 4));
-    if(isNaN(chr2)) {
-      line += '==';
-    }
-    else {
-      line += _base64.charAt(((chr2 & 15) << 2) | (chr3 >> 6));
-      line += isNaN(chr3) ? '=' : _base64.charAt(chr3 & 63);
-    }
-
-    if(maxline && line.length > maxline) {
-      output += line.substr(0, maxline) + '\r\n';
-      line = line.substr(maxline);
-    }
-  }
-  output += line;
-
-  return output;
-};
-
-/**
- * pki.publicKeyToRSAPublicKeyPem
- */
-
-pki.publicKeyToRSAPublicKeyPem = function(key, maxline) {
-  // convert to ASN.1, then DER, then base64-encode
-  var out = asn1.toDer(pki.publicKeyToRSAPublicKey(key));
-  out = forge.util.encode64(out.getBytes(), maxline || 64);
-  return (
-    '-----BEGIN RSA PUBLIC KEY-----\r\n' +
-    out +
-    '\r\n-----END RSA PUBLIC KEY-----');
-};
-
-/**
- * pki.privateKeyToAsn1
- */
-
-pki.privateKeyToAsn1 = pki.privateKeyToRSAPrivateKey = function(key) {
-  // RSAPrivateKey
-  return asn1.create(asn1.Class.UNIVERSAL, asn1.Type.SEQUENCE, true, [
-    // version (0 = only 2 primes, 1 multiple primes)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      String.fromCharCode(0x00)),
-    // modulus (n)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      _bnToBytes(key.n)),
-    // publicExponent (e)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      _bnToBytes(key.e)),
-    // privateExponent (d)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      _bnToBytes(key.d)),
-    // privateKeyPrime1 (p)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      _bnToBytes(key.p)),
-    // privateKeyPrime2 (q)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      _bnToBytes(key.q)),
-    // privateKeyExponent1 (dP)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      _bnToBytes(key.dP)),
-    // privateKeyExponent2 (dQ)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      _bnToBytes(key.dQ)),
-    // coefficient (qInv)
-    asn1.create(asn1.Class.UNIVERSAL, asn1.Type.INTEGER, false,
-      _bnToBytes(key.qInv))
-  ]);
-};
-
-/**
- * pki.privateKeyToPem
- */
-
-pki.privateKeyToPem = function(key, maxline) {
-  // convert to ASN.1, then DER, then base64-encode
-  var out = asn1.toDer(pki.privateKeyToAsn1(key));
-  out = forge.util.encode64(out.getBytes(), maxline || 64);
-  return (
-    '-----BEGIN RSA PRIVATE KEY-----\r\n' +
-    out +
-    '\r\n-----END RSA PRIVATE KEY-----');
-};
-
-}).call(this,require('_process'))
-},{"_process":108}],98:[function(require,module,exports){
-var bn = require('bn.js');
-var brorand = require('brorand');
-
-function MillerRabin(rand) {
-  this.rand = rand || new brorand.Rand();
-}
-module.exports = MillerRabin;
-
-MillerRabin.create = function create(rand) {
-  return new MillerRabin(rand);
-};
-
-MillerRabin.prototype._rand = function _rand(n) {
-  var len = n.bitLength();
-  var buf = this.rand.generate(Math.ceil(len / 8));
-
-  // Set low bits
-  buf[0] |= 3;
-
-  // Mask high bits
-  var mask = len & 0x7;
-  if (mask !== 0)
-    buf[buf.length - 1] >>= 7 - mask;
-
-  return new bn(buf);
-}
-
-MillerRabin.prototype.test = function test(n, k, cb) {
-  var len = n.bitLength();
-  var red = bn.mont(n);
-  var rone = new bn(1).toRed(red);
-
-  if (!k)
-    k = Math.max(1, (len / 48) | 0);
-
-  // Find d and s, (n - 1) = (2 ^ s) * d;
-  var n1 = n.subn(1);
-  var n2 = n1.subn(1);
-  for (var s = 0; !n1.testn(s); s++) {}
-  var d = n.shrn(s);
-
-  var rn1 = n1.toRed(red);
-
-  var prime = true;
-  for (; k > 0; k--) {
-    var a = this._rand(n2);
-    if (cb)
-      cb(a);
-
-    var x = a.toRed(red).redPow(d);
-    if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
-      continue;
-
-    for (var i = 1; i < s; i++) {
-      x = x.redSqr();
-
-      if (x.cmp(rone) === 0)
-        return false;
-      if (x.cmp(rn1) === 0)
-        break;
-    }
-
-    if (i === s)
-      return false;
-  }
-
-  return prime;
-};
-
-MillerRabin.prototype.getDivisor = function getDivisor(n, k) {
-  var len = n.bitLength();
-  var red = bn.mont(n);
-  var rone = new bn(1).toRed(red);
-
-  if (!k)
-    k = Math.max(1, (len / 48) | 0);
-
-  // Find d and s, (n - 1) = (2 ^ s) * d;
-  var n1 = n.subn(1);
-  var n2 = n1.subn(1);
-  for (var s = 0; !n1.testn(s); s++) {}
-  var d = n.shrn(s);
-
-  var rn1 = n1.toRed(red);
-
-  for (; k > 0; k--) {
-    var a = this._rand(n2);
-
-    var g = n.gcd(a);
-    if (g.cmpn(1) !== 0)
-      return g;
-
-    var x = a.toRed(red).redPow(d);
-    if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
-      continue;
-
-    for (var i = 1; i < s; i++) {
-      x = x.redSqr();
-
-      if (x.cmp(rone) === 0)
-        return x.fromRed().subn(1).gcd(n);
-      if (x.cmp(rn1) === 0)
-        break;
-    }
-
-    if (i === s) {
-      x = x.redSqr();
-      return x.fromRed().subn(1).gcd(n);
-    }
-  }
-
-  return false;
-};
-
-},{"bn.js":17,"brorand":18}],99:[function(require,module,exports){
-module.exports = assert;
-
-function assert(val, msg) {
-  if (!val)
-    throw new Error(msg || 'Assertion failed');
-}
-
-assert.equal = function assertEqual(l, r, msg) {
-  if (l != r)
-    throw new Error(msg || ('Assertion failed: ' + l + ' != ' + r));
-};
-
-},{}],100:[function(require,module,exports){
-(function (Buffer){
-var invert = require('invert-hash')
-
-var mh = module.exports = function () {
-  if (arguments.length === 1) {
-    return mh.decode.apply(this, arguments)
-  } else if (arguments.length > 1) {
-    return mh.encode.apply(this, arguments)
-  }
-
-  throw new Error('multihash must be called with the encode or decode parameters.')
-}
-
-// the multihash tables
-
-mh.names = {
-  'sha1': 0x11,
-  'sha2-256': 0x12,
-  'sha2-512': 0x13,
-  'sha3': 0x14,
-  'blake2b': 0x40,
-  'blake2s': 0x41
-}
-
-mh.codes = invert(mh.names)
-
-mh.defaultLengths = {
-  0x11: 20,
-  0x12: 32,
-  0x13: 64,
-  0x14: 64,
-  0x40: 64,
-  0x41: 32
-}
-
-// encode(hashfn, [length,] digest)
-mh.encode = function MultihashEncode (digest, hashfn, length) {
-  if (!digest || !hashfn) {
-    throw new Error('multihash encode requires at least two args: hashfn, digest')
-  }
-
-  // ensure it's a hashfunction code.
-  hashfn = mh.coerceCode(hashfn)
-
-  if (!(Buffer.isBuffer(digest))) {
-    throw new Error('digest should be a Buffer')
-  }
-
-  if (!length) {
-    length = digest.length
-  }
-
-  if (length && digest.length !== length) {
-    throw new Error('digest length should be equal to specified length.')
-  }
-
-  if (length > 127) {
-    throw new Error('multihash does not yet support digest lengths greater than 127 bytes.')
-  }
-
-  return Buffer.concat([new Buffer([hashfn, length]), digest])
-}
-
-// decode(mutlihash)
-mh.decode = function MultihashDecode (multihash) {
-  var err = mh.validate(multihash)
-  if (err) {
-    throw err
-  }
-
-  var output = {}
-  output.code = multihash[0]
-  output.name = mh.codes[output.code]
-  output.length = multihash[1]
-  output.digest = multihash.slice(2)
-  return output
-}
-
-mh.validate = function validateMultihash (multihash) {
-  if (!(Buffer.isBuffer(multihash))) {
-    return new Error('multihash must be a Buffer')
-  }
-
-  if (multihash.length < 3) {
-    return new Error('multihash too short. must be > 3 bytes.')
-  }
-
-  if (multihash.length > 129) {
-    return new Error('multihash too long. must be < 129 bytes.')
-  }
-
-  if (!mh.isAppCode(multihash[0]) && !mh.codes[multihash[0]]) {
-    return new Error('multihash unknown function code: 0x' + multihash[0].toString(16))
-  }
-
-  if (multihash.slice(2).length !== multihash[1]) {
-    return new Error('multihash length inconsistent: 0x' + multihash.toString('hex'))
-  }
-
-  return false
-}
-
-mh.coerceCode = function coerceCode (hashfn) {
-  var code = hashfn
-  if (typeof hashfn === 'string') {
-    if (!mh.names[hashfn]) {
-      throw new Error('Unrecognized hash function named: ' + hashfn)
-    }
-    code = mh.names[hashfn]
-  }
-
-  if (typeof code !== 'number') {
-    throw new Error('Hash function code should be a number. Got: ' + code)
-  }
-
-  if (!mh.codes[code] && !mh.isAppCode(code)) {
-    throw new Error('Unrecognized function code: ' + code)
-  }
-
-  return code
-}
-
-mh.isAppCode = function isAppCode (code) {
-  return code > 0 && code < 0x10
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"invert-hash":93}],101:[function(require,module,exports){
-(function (Buffer){
-var multihash = require('multihashes')
-var crypto = require('webcrypto')
-// var sha3 = require('sha3')
-// sha3 broken. See: https://github.com/phusion/node-sha3/issues/5
-
-var mh = module.exports = Multihashing
-
-mh.Buffer = Buffer // for browser things
-
-function Multihashing (buf, func, len) {
-  return multihash.encode(mh.digest(buf, func, len), func, len)
-}
-
-// expose multihash itself, to avoid silly double requires.
-mh.multihash = multihash
-
-mh.digest = function (buf, func, length) {
-  var digest = mh.createHash(func).update(buf).digest()
-
-  if (length) {
-    digest = digest.slice(0, length)
-  }
-
-  return digest
-}
-
-mh.createHash = function (func, length) {
-  func = multihash.coerceCode(func)
-  if (!mh.functions[func]) {
-    throw new Error('multihash function ' + func + ' not yet supported')
-  }
-
-  return mh.functions[func]()
-}
-
-mh.functions = {
-  0x11: gsha1,
-  0x12: gsha2_256,
-  0x13: gsha2_512
-  // 0x14: gsha3, // broken
-  // 0x40: blake2b, // not implemented yet
-  // 0x41: blake2s, // not implemented yet
-}
-
-function gsha1 () {
-  return crypto.createHash('sha1')
-}
-
-function gsha2_256 () {
-  return crypto.createHash('sha256')
-}
-
-function gsha2_512 () {
-  return crypto.createHash('sha512')
-}
-
-// function gsha3() {
-//   return sha3.SHA3Hash()
-// }
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"multihashes":100,"webcrypto":139}],102:[function(require,module,exports){
-module.exports={"2.16.840.1.101.3.4.1.1": "aes-128-ecb",
-"2.16.840.1.101.3.4.1.2": "aes-128-cbc",
-"2.16.840.1.101.3.4.1.3": "aes-128-ofb",
-"2.16.840.1.101.3.4.1.4": "aes-128-cfb",
-"2.16.840.1.101.3.4.1.21": "aes-192-ecb",
-"2.16.840.1.101.3.4.1.22": "aes-192-cbc",
-"2.16.840.1.101.3.4.1.23": "aes-192-ofb",
-"2.16.840.1.101.3.4.1.24": "aes-192-cfb",
-"2.16.840.1.101.3.4.1.41": "aes-256-ecb",
-"2.16.840.1.101.3.4.1.42": "aes-256-cbc",
-"2.16.840.1.101.3.4.1.43": "aes-256-ofb",
-"2.16.840.1.101.3.4.1.44": "aes-256-cfb"
-}
-},{}],103:[function(require,module,exports){
-// from https://github.com/indutny/self-signed/blob/gh-pages/lib/asn1.js
-// Fedor, you are amazing.
-
-var asn1 = require('asn1.js')
-
-var RSAPrivateKey = asn1.define('RSAPrivateKey', function () {
-  this.seq().obj(
-    this.key('version').int(),
-    this.key('modulus').int(),
-    this.key('publicExponent').int(),
-    this.key('privateExponent').int(),
-    this.key('prime1').int(),
-    this.key('prime2').int(),
-    this.key('exponent1').int(),
-    this.key('exponent2').int(),
-    this.key('coefficient').int()
-  )
-})
-exports.RSAPrivateKey = RSAPrivateKey
-
-var RSAPublicKey = asn1.define('RSAPublicKey', function () {
-  this.seq().obj(
-    this.key('modulus').int(),
-    this.key('publicExponent').int()
-  )
-})
-exports.RSAPublicKey = RSAPublicKey
-
-var PublicKey = asn1.define('SubjectPublicKeyInfo', function () {
-  this.seq().obj(
-    this.key('algorithm').use(AlgorithmIdentifier),
-    this.key('subjectPublicKey').bitstr()
-  )
-})
-exports.PublicKey = PublicKey
-
-var AlgorithmIdentifier = asn1.define('AlgorithmIdentifier', function () {
-  this.seq().obj(
-    this.key('algorithm').objid(),
-    this.key('none').null_().optional(),
-    this.key('curve').objid().optional(),
-    this.key('params').seq().obj(
-      this.key('p').int(),
-      this.key('q').int(),
-      this.key('g').int()
-    ).optional()
-  )
-})
-
-var PrivateKeyInfo = asn1.define('PrivateKeyInfo', function () {
-  this.seq().obj(
-    this.key('version').int(),
-    this.key('algorithm').use(AlgorithmIdentifier),
-    this.key('subjectPrivateKey').octstr()
-  )
-})
-exports.PrivateKey = PrivateKeyInfo
-var EncryptedPrivateKeyInfo = asn1.define('EncryptedPrivateKeyInfo', function () {
-  this.seq().obj(
-    this.key('algorithm').seq().obj(
-      this.key('id').objid(),
-      this.key('decrypt').seq().obj(
-        this.key('kde').seq().obj(
-          this.key('id').objid(),
-          this.key('kdeparams').seq().obj(
-            this.key('salt').octstr(),
-            this.key('iters').int()
-          )
-        ),
-        this.key('cipher').seq().obj(
-          this.key('algo').objid(),
-          this.key('iv').octstr()
-        )
-      )
-    ),
-    this.key('subjectPrivateKey').octstr()
-  )
-})
-
-exports.EncryptedPrivateKey = EncryptedPrivateKeyInfo
-
-var DSAPrivateKey = asn1.define('DSAPrivateKey', function () {
-  this.seq().obj(
-    this.key('version').int(),
-    this.key('p').int(),
-    this.key('q').int(),
-    this.key('g').int(),
-    this.key('pub_key').int(),
-    this.key('priv_key').int()
-  )
-})
-exports.DSAPrivateKey = DSAPrivateKey
-
-exports.DSAparam = asn1.define('DSAparam', function () {
-  this.int()
-})
-var ECPrivateKey = asn1.define('ECPrivateKey', function () {
-  this.seq().obj(
-    this.key('version').int(),
-    this.key('privateKey').octstr(),
-    this.key('parameters').optional().explicit(0).use(ECParameters),
-    this.key('publicKey').optional().explicit(1).bitstr()
-  )
-})
-exports.ECPrivateKey = ECPrivateKey
-var ECParameters = asn1.define('ECParameters', function () {
-  this.choice({
-    namedCurve: this.objid()
-  })
-})
-
-exports.signature = asn1.define('signature', function () {
-  this.seq().obj(
-    this.key('r').int(),
-    this.key('s').int()
-  )
-})
-
-},{"asn1.js":1}],104:[function(require,module,exports){
-(function (Buffer){
-// adapted from https://github.com/apatil/pemstrip
-var findProc = /Proc-Type: 4,ENCRYPTED\r?\nDEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)\r?\n\r?\n([0-9A-z\n\r\+\/\=]+)\r?\n/m
-var startRegex = /^-----BEGIN (.*) KEY-----\r?\n/m
-var fullRegex = /^-----BEGIN (.*) KEY-----\r?\n([0-9A-z\n\r\+\/\=]+)\r?\n-----END \1 KEY-----$/m
-var evp = require('evp_bytestokey')
-var ciphers = require('browserify-aes')
-module.exports = function (okey, password) {
-  var key = okey.toString()
-  var match = key.match(findProc)
-  var decrypted
-  if (!match) {
-    var match2 = key.match(fullRegex)
-    decrypted = new Buffer(match2[2].replace(/\r?\n/g, ''), 'base64')
-  } else {
-    var suite = 'aes' + match[1]
-    var iv = new Buffer(match[2], 'hex')
-    var cipherText = new Buffer(match[3].replace(/\r?\n/g, ''), 'base64')
-    var cipherKey = evp(password, iv.slice(0, 8), parseInt(match[1], 10)).key
-    var out = []
-    var cipher = ciphers.createDecipheriv(suite, cipherKey, iv)
-    out.push(cipher.update(cipherText))
-    out.push(cipher.final())
-    decrypted = Buffer.concat(out)
-  }
-  var tag = key.match(startRegex)[1] + ' KEY'
-  return {
-    tag: tag,
-    data: decrypted
-  }
-}
-
-}).call(this,require("buffer").Buffer)
-},{"browserify-aes":22,"buffer":46,"evp_bytestokey":83}],105:[function(require,module,exports){
-(function (Buffer){
-var asn1 = require('./asn1')
-var aesid = require('./aesid.json')
-var fixProc = require('./fixProc')
-var ciphers = require('browserify-aes')
-var compat = require('pbkdf2')
-module.exports = parseKeys
-
-function parseKeys (buffer) {
-  var password
-  if (typeof buffer === 'object' && !Buffer.isBuffer(buffer)) {
-    password = buffer.passphrase
-    buffer = buffer.key
-  }
-  if (typeof buffer === 'string') {
-    buffer = new Buffer(buffer)
-  }
-
-  var stripped = fixProc(buffer, password)
-
-  var type = stripped.tag
-  var data = stripped.data
-  var subtype, ndata
-  switch (type) {
-    case 'PUBLIC KEY':
-      ndata = asn1.PublicKey.decode(data, 'der')
-      subtype = ndata.algorithm.algorithm.join('.')
-      switch (subtype) {
-        case '1.2.840.113549.1.1.1':
-          return asn1.RSAPublicKey.decode(ndata.subjectPublicKey.data, 'der')
-        case '1.2.840.10045.2.1':
-          ndata.subjectPrivateKey = ndata.subjectPublicKey
-          return {
-            type: 'ec',
-            data: ndata
-          }
-        case '1.2.840.10040.4.1':
-          ndata.algorithm.params.pub_key = asn1.DSAparam.decode(ndata.subjectPublicKey.data, 'der')
-          return {
-            type: 'dsa',
-            data: ndata.algorithm.params
-          }
-        default: throw new Error('unknown key id ' + subtype)
-      }
-      throw new Error('unknown key type ' + type)
-    case 'ENCRYPTED PRIVATE KEY':
-      data = asn1.EncryptedPrivateKey.decode(data, 'der')
-      data = decrypt(data, password)
-      // falls through
-    case 'PRIVATE KEY':
-      ndata = asn1.PrivateKey.decode(data, 'der')
-      subtype = ndata.algorithm.algorithm.join('.')
-      switch (subtype) {
-        case '1.2.840.113549.1.1.1':
-          return asn1.RSAPrivateKey.decode(ndata.subjectPrivateKey, 'der')
-        case '1.2.840.10045.2.1':
-          return {
-            curve: ndata.algorithm.curve,
-            privateKey: asn1.ECPrivateKey.decode(ndata.subjectPrivateKey, 'der').privateKey
-          }
-        case '1.2.840.10040.4.1':
-          ndata.algorithm.params.priv_key = asn1.DSAparam.decode(ndata.subjectPrivateKey, 'der')
-          return {
-            type: 'dsa',
-            params: ndata.algorithm.params
-          }
-        default: throw new Error('unknown key id ' + subtype)
-      }
-      throw new Error('unknown key type ' + type)
-    case 'RSA PUBLIC KEY':
-      return asn1.RSAPublicKey.decode(data, 'der')
-    case 'RSA PRIVATE KEY':
-      return asn1.RSAPrivateKey.decode(data, 'der')
-    case 'DSA PRIVATE KEY':
-      return {
-        type: 'dsa',
-        params: asn1.DSAPrivateKey.decode(data, 'der')
-      }
-    case 'EC PRIVATE KEY':
-      data = asn1.ECPrivateKey.decode(data, 'der')
-      return {
-        curve: data.parameters.value,
-        privateKey: data.privateKey
-      }
-    default: throw new Error('unknown key type ' + type)
-  }
-}
-parseKeys.signature = asn1.signature
-function decrypt (data, password) {
-  var salt = data.algorithm.decrypt.kde.kdeparams.salt
-  var iters = parseInt(data.algorithm.decrypt.kde.kdeparams.iters.toString(), 10)
-  var algo = aesid[data.algorithm.decrypt.cipher.algo.join('.')]
-  var iv = data.algorithm.decrypt.cipher.iv
-  var cipherText = data.subjectPrivateKey
-  var keylen = parseInt(algo.split('-')[1], 10) / 8
-  var key = compat.pbkdf2Sync(password, salt, iters, keylen)
-  var cipher = ciphers.createDecipheriv(algo, key, iv)
-  var out = []
-  out.push(cipher.update(cipherText))
-  out.push(cipher.final())
-  return Buffer.concat(out)
-}
-
-}).call(this,require("buffer").Buffer)
-},{"./aesid.json":102,"./asn1":103,"./fixProc":104,"browserify-aes":22,"buffer":46,"pbkdf2":106}],106:[function(require,module,exports){
-(function (Buffer){
-var createHmac = require('create-hmac')
-var MAX_ALLOC = Math.pow(2, 30) - 1 // default in iojs
-
-exports.pbkdf2 = pbkdf2
-function pbkdf2 (password, salt, iterations, keylen, digest, callback) {
-  if (typeof digest === 'function') {
-    callback = digest
-    digest = undefined
-  }
-
-  if (typeof callback !== 'function') {
-    throw new Error('No callback provided to pbkdf2')
-  }
-
-  var result = pbkdf2Sync(password, salt, iterations, keylen, digest)
-  setTimeout(function () {
-    callback(undefined, result)
-  })
-}
-
-exports.pbkdf2Sync = pbkdf2Sync
-function pbkdf2Sync (password, salt, iterations, keylen, digest) {
-  if (typeof iterations !== 'number') {
-    throw new TypeError('Iterations not a number')
-  }
-
-  if (iterations < 0) {
-    throw new TypeError('Bad iterations')
-  }
-
-  if (typeof keylen !== 'number') {
-    throw new TypeError('Key length not a number')
-  }
-
-  if (keylen < 0 || keylen > MAX_ALLOC) {
-    throw new TypeError('Bad key length')
-  }
-
-  digest = digest || 'sha1'
-
-  if (!Buffer.isBuffer(password)) password = new Buffer(password, 'binary')
-  if (!Buffer.isBuffer(salt)) salt = new Buffer(salt, 'binary')
-
-  var hLen
-  var l = 1
-  var DK = new Buffer(keylen)
-  var block1 = new Buffer(salt.length + 4)
-  salt.copy(block1, 0, 0, salt.length)
-
-  var r
-  var T
-
-  for (var i = 1; i <= l; i++) {
-    block1.writeUInt32BE(i, salt.length)
-    var U = createHmac(digest, password).update(block1).digest()
-
-    if (!hLen) {
-      hLen = U.length
-      T = new Buffer(hLen)
-      l = Math.ceil(keylen / hLen)
-      r = keylen - (l - 1) * hLen
-    }
-
-    U.copy(T, 0, 0, hLen)
-
-    for (var j = 1; j < iterations; j++) {
-      U = createHmac(digest, password).update(U).digest()
-
-      for (var k = 0; k < hLen; k++) {
-        T[k] ^= U[k]
-      }
-    }
-
-    var destPos = (i - 1) * hLen
-    var len = (i === l ? r : hLen)
-    T.copy(DK, destPos, 0, len)
-  }
-
-  return DK
-}
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"create-hmac":53}],107:[function(require,module,exports){
-(function (process){
-'use strict';
-module.exports = nextTick;
-
-function nextTick(fn) {
-  var args = new Array(arguments.length - 1);
-  var i = 0;
-  while (i < args.length) {
-    args[i++] = arguments[i];
-  }
-  process.nextTick(function afterTick() {
-    fn.apply(null, args);
-  });
-}
-
-}).call(this,require('_process'))
-},{"_process":108}],108:[function(require,module,exports){
-// shim for using process in browser
-
-var process = module.exports = {};
-var queue = [];
-var draining = false;
-var currentQueue;
-var queueIndex = -1;
-
-function cleanUpNextTick() {
-    draining = false;
-    if (currentQueue.length) {
-        queue = currentQueue.concat(queue);
-    } else {
-        queueIndex = -1;
-    }
-    if (queue.length) {
-        drainQueue();
-    }
-}
-
-function drainQueue() {
-    if (draining) {
-        return;
-    }
-    var timeout = setTimeout(cleanUpNextTick);
-    draining = true;
-
-    var len = queue.length;
-    while(len) {
-        currentQueue = queue;
-        queue = [];
-        while (++queueIndex < len) {
-            if (currentQueue) {
-                currentQueue[queueIndex].run();
-            }
-        }
-        queueIndex = -1;
-        len = queue.length;
-    }
-    currentQueue = null;
-    draining = false;
-    clearTimeout(timeout);
-}
-
-process.nextTick = function (fun) {
-    var args = new Array(arguments.length - 1);
-    if (arguments.length > 1) {
-        for (var i = 1; i < arguments.length; i++) {
-            args[i - 1] = arguments[i];
-        }
-    }
-    queue.push(new Item(fun, args));
-    if (queue.length === 1 && !draining) {
-        setTimeout(drainQueue, 0);
-    }
-};
-
-// v8 likes predictible objects
-function Item(fun, array) {
-    this.fun = fun;
-    this.array = array;
-}
-Item.prototype.run = function () {
-    this.fun.apply(null, this.array);
-};
-process.title = 'browser';
-process.browser = true;
-process.env = {};
-process.argv = [];
-process.version = ''; // empty string to avoid regexp issues
-process.versions = {};
-
-function noop() {}
-
-process.on = noop;
-process.addListener = noop;
-process.once = noop;
-process.off = noop;
-process.removeListener = noop;
-process.removeAllListeners = noop;
-process.emit = noop;
-
-process.binding = function (name) {
-    throw new Error('process.binding is not supported');
-};
-
-process.cwd = function () { return '/' };
-process.chdir = function (dir) {
-    throw new Error('process.chdir is not supported');
-};
-process.umask = function() { return 0; };
-
-},{}],109:[function(require,module,exports){
-exports.publicEncrypt = require('./publicEncrypt');
-exports.privateDecrypt = require('./privateDecrypt');
-
-exports.privateEncrypt = function privateEncrypt(key, buf) {
-  return exports.publicEncrypt(key, buf, true);
-};
-
-exports.publicDecrypt = function publicDecrypt(key, buf) {
-  return exports.privateDecrypt(key, buf, true);
-};
-},{"./privateDecrypt":111,"./publicEncrypt":112}],110:[function(require,module,exports){
-(function (Buffer){
-var createHash = require('create-hash');
-module.exports = function (seed, len) {
-  var t = new Buffer('');
-  var  i = 0, c;
-  while (t.length < len) {
-    c = i2ops(i++);
-    t = Buffer.concat([t, createHash('sha1').update(seed).update(c).digest()]);
-  }
-  return t.slice(0, len);
-};
-
-function i2ops(c) {
-  var out = new Buffer(4);
-  out.writeUInt32BE(c,0);
-  return out;
-}
-}).call(this,require("buffer").Buffer)
-},{"buffer":46,"create-hash":50}],111:[function(require,module,exports){
-(function (Buffer){
-var parseKeys = require('parse-asn1');
-var mgf = require('./mgf');
-var xor = require('./xor');
-var bn = require('bn.js');
-var crt = require('browserify-rsa');
-var createHash = require('create-hash');
-var withPublic = require('./withPublic');
-module.exports = function privateDecrypt(private_key, enc, reverse) {
-  var padding;
-  if (private_key.padding) {
-    padding = private_key.padding;
-  } else if (reverse) {
-    padding = 1;
-  } else {
-    padding = 4;
-  }
-  
-  var key = parseKeys(private_key);
-  var k = key.modulus.byteLength();
-  if (enc.length > k || new bn(enc).cmp(key.modulus) >= 0) {
-    throw new Error('decryption error');
-  }
-  var msg;
-  if (reverse) {
-    msg = withPublic(new bn(enc), key);
-  } else {
-    msg = crt(enc, key);
-  }
-  var zBuffer = new Buffer(k - msg.length);
-  zBuffer.fill(0);
-  msg = Buffer.concat([zBuffer, msg], k);
-  if (padding === 4) {
-    return oaep(key, msg);
-  } else if (padding === 1) {
-    return pkcs1(key, msg, reverse);
-  } else if (padding === 3) {
-    return msg;
-  } else {
-    throw new Error('unknown padding');
-  }
-};
-
-function oaep(key, msg){
-  var n = key.modulus;
-  var k = key.modulus.byteLength();
-  var mLen = msg.length;
-  var iHash = createHash('sha1').update(new Buffer('')).digest();
-  var hLen = iHash.length;
-  var hLen2 = 2 * hLen;
-  if (msg[0] !== 0) {
-    throw new Error('decryption error');
-  }
-  var maskedSeed = msg.slice(1, hLen + 1);
-  var maskedDb =  msg.slice(hLen + 1);
-  var seed = xor(maskedSeed, mgf(maskedDb, hLen));
-  var db = xor(maskedDb, mgf(seed, k - hLen - 1));
-  if (compare(iHash, db.slice(0, hLen))) {
-    throw new Error('decryption error');
-  }
-  var i = hLen;
-  while (db[i] === 0) {
-    i++;
-  }
-  if (db[i++] !== 1) {
-    throw new Error('decryption error');
-  }
-  return db.slice(i);
-}
-
-function pkcs1(key, msg, reverse){
-  var p1 = msg.slice(0, 2);
-  var i = 2;
-  var status = 0;
-  while (msg[i++] !== 0) {
-    if (i >= msg.length) {
-      status++;
-      break;
-    }
-  }
-  var ps = msg.slice(2, i - 1);
-  var p2 = msg.slice(i - 1, i);
-
-  if ((p1.toString('hex') !== '0002' && !reverse) || (p1.toString('hex') !== '0001' && reverse)){
-    status++;
-  }
-  if (ps.length < 8) {
-    status++;
-  }
-  if (status) {
-    throw new Error('decryption error');
-  }
-  return  msg.slice(i);
-}
-function compare(a, b){
-  a = new Buffer(a);
-  b = new Buffer(b);
-  var dif = 0;
-  var len = a.length;
-  if (a.length !== b.length) {
-    dif++;
-    len = Math.min(a.length, b.length);
-  }
-  var i = -1;
-  while (++i < len) {
-    dif += (a[i] ^ b[i]);
-  }
-  return dif;
-}
-}).call(this,require("buffer").Buffer)
-},{"./mgf":110,"./withPublic":113,"./xor":114,"bn.js":17,"browserify-rsa":38,"buffer":46,"create-hash":50,"parse-asn1":105}],112:[function(require,module,exports){
-(function (Buffer){
-var parseKeys = require('parse-asn1');
-var randomBytes = require('randombytes');
-var createHash = require('create-hash');
-var mgf = require('./mgf');
-var xor = require('./xor');
-var bn = require('bn.js');
-var withPublic = require('./withPublic');
-var crt = require('browserify-rsa');
-
-var constants = {
-  RSA_PKCS1_OAEP_PADDING: 4,
-  RSA_PKCS1_PADDIN: 1,
-  RSA_NO_PADDING: 3
-};
-
-module.exports = function publicEncrypt(public_key, msg, reverse) {
-  var padding;
-  if (public_key.padding) {
-    padding = public_key.padding;
-  } else if (reverse) {
-    padding = 1;
-  } else {
-    padding = 4;
-  }
-  var key = parseKeys(public_key);
-  var paddedMsg;
-  if (padding === 4) {
-    paddedMsg = oaep(key, msg);
-  } else if (padding === 1) {
-    paddedMsg = pkcs1(key, msg, reverse);
-  } else if (padding === 3) {
-    paddedMsg = new bn(msg);
-    if (paddedMsg.cmp(key.modulus) >= 0) {
-      throw new Error('data too long for modulus');
-    }
-  } else {
-    throw new Error('unknown padding');
-  }
-  if (reverse) {
-    return crt(paddedMsg, key);
-  } else {
-    return withPublic(paddedMsg, key);
-  }
-};
-
-function oaep(key, msg){
-  var k = key.modulus.byteLength();
-  var mLen = msg.length;
-  var iHash = createHash('sha1').update(new Buffer('')).digest();
-  var hLen = iHash.length;
-  var hLen2 = 2 * hLen;
-  if (mLen > k - hLen2 - 2) {
-    throw new Error('message too long');
-  }
-  var ps = new Buffer(k - mLen - hLen2 - 2);
-  ps.fill(0);
-  var dblen = k - hLen - 1;
-  var seed = randomBytes(hLen);
-  var maskedDb = xor(Buffer.concat([iHash, ps, new Buffer([1]), msg], dblen), mgf(seed, dblen));
-  var maskedSeed = xor(seed, mgf(maskedDb, hLen));
-  return new bn(Buffer.concat([new Buffer([0]), maskedSeed, maskedDb], k));
-}
-function pkcs1(key, msg, reverse){
-  var mLen = msg.length;
-  var k = key.modulus.byteLength();
-  if (mLen > k - 11) {
-    throw new Error('message too long');
-  }
-  var ps;
-  if (reverse) {
-    ps = new Buffer(k - mLen - 3);
-    ps.fill(0xff);
-  } else {
-    ps = nonZero(k - mLen - 3);
-  }
-  return new bn(Buffer.concat([new Buffer([0, reverse?1:2]), ps, new Buffer([0]), msg], k));
-}
-function nonZero(len, crypto) {
-  var out = new Buffer(len);
-  var i = 0;
-  var cache = randomBytes(len*2);
-  var cur = 0;
-  var num;
-  while (i < len) {
-    if (cur === cache.length) {
-      cache = randomBytes(len*2);
-      cur = 0;
-    }
-    num = cache[cur++];
-    if (num) {
-      out[i++] = num;
-    }
-  }
-  return out;
-}
-}).call(this,require("buffer").Buffer)
-},{"./mgf":110,"./withPublic":113,"./xor":114,"bn.js":17,"browserify-rsa":38,"buffer":46,"create-hash":50,"parse-asn1":105,"randombytes":115}],113:[function(require,module,exports){
-(function (Buffer){
-var bn = require('bn.js');
-function withPublic(paddedMsg, key) {
-  return new Buffer(paddedMsg
-    .toRed(bn.mont(key.modulus))
-    .redPow(new bn(key.publicExponent))
-    .fromRed()
-    .toArray());
-}
-
-module.exports = withPublic;
-}).call(this,require("buffer").Buffer)
-},{"bn.js":17,"buffer":46}],114:[function(require,module,exports){
-module.exports = function xor(a, b) {
-  var len = a.length;
-  var i = -1;
-  while (++i < len) {
-    a[i] ^= b[i];
-  }
-  return a
-};
-},{}],115:[function(require,module,exports){
-(function (process,global,Buffer){
-'use strict';
-
-var crypto = global.crypto || global.msCrypto
-if(crypto && crypto.getRandomValues) {
-  module.exports = randomBytes;
-} else {
-  module.exports = oldBrowser;
-}
-function randomBytes(size, cb) {
-  var bytes = new Buffer(size); //in browserify, this is an extended Uint8Array
-    /* This will not work in older browsers.
-     * See https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues
-     */
-
-  crypto.getRandomValues(bytes);
-  if (typeof cb === 'function') {
-    return process.nextTick(function () {
-      cb(null, bytes);
-    });
-  }
-  return bytes;
-}
-function oldBrowser() {
-  throw new Error(
-      'secure random number generation not supported by this browser\n'+
-      'use chrome, FireFox or Internet Explorer 11'
-    )
-}
-
-}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer)
-},{"_process":108,"buffer":46}],116:[function(require,module,exports){
-module.exports = require("./lib/_stream_duplex.js")
-
-},{"./lib/_stream_duplex.js":117}],117:[function(require,module,exports){
-// a duplex stream is just a stream that is both readable and writable.
-// Since JS doesn't have multiple prototypal inheritance, this class
-// prototypally inherits from Readable, and then parasitically from
-// Writable.
-
-'use strict';
-
-/*<replacement>*/
-var objectKeys = Object.keys || function (obj) {
-  var keys = [];
-  for (var key in obj) keys.push(key);
-  return keys;
-}
-/*</replacement>*/
-
-
-module.exports = Duplex;
-
-/*<replacement>*/
-var processNextTick = require('process-nextick-args');
-/*</replacement>*/
-
-
-
-/*<replacement>*/
-var util = require('core-util-is');
-util.inherits = require('inherits');
-/*</replacement>*/
-
-var Readable = require('./_stream_readable');
-var Writable = require('./_stream_writable');
-
-util.inherits(Duplex, Readable);
-
-var keys = objectKeys(Writable.prototype);
-for (var v = 0; v < keys.length; v++) {
-  var method = keys[v];
-  if (!Duplex.prototype[method])
-    Duplex.prototype[method] = Writable.prototype[method];
-}
-
-function Duplex(options) {
-  if (!(this instanceof Duplex))
-    return new Duplex(options);
-
-  Readable.call(this, options);
-  Writable.call(this, options);
-
-  if (options && options.readable === false)
-    this.readable = false;
-
-  if (options && options.writable === false)
-    this.writable = false;
-
-  this.allowHalfOpen = true;
-  if (options && options.allowHalfOpen === false)
-    this.allowHalfOpen = false;
-
-  this.once('end', onend);
-}
-
-// the no-half-open enforcer
-function onend() {
-  // if we allow half-open state, or if the writable side ended,
-  // then we're ok.
-  if (this.allowHalfOpen || this._writableState.ended)
-    return;
-
-  // no more data can be written.
-  // But allow more writes to happen in this tick.
-  processNextTick(onEndNT, this);
-}
-
-function onEndNT(self) {
-  self.end();
-}
-
-function forEach (xs, f) {
-  for (var i = 0, l = xs.length; i < l; i++) {
-    f(xs[i], i);
-  }
-}
-
-},{"./_stream_readable":119,"./_stream_writable":121,"core-util-is":48,"inherits":92,"process-nextick-args":107}],118:[function(require,module,exports){
-// a passthrough stream.
-// basically just the most minimal sort of Transform stream.
-// Every written chunk gets output as-is.
-
-'use strict';
-
-module.exports = PassThrough;
-
-var Transform = require('./_stream_transform');
-
-/*<replacement>*/
-var util = require('core-util-is');
-util.inherits = require('inherits');
-/*</replacement>*/
-
-util.inherits(PassThrough, Transform);
-
-function PassThrough(options) {
-  if (!(this instanceof PassThrough))
-    return new PassThrough(options);
-
-  Transform.call(this, options);
-}
-
-PassThrough.prototype._transform = function(chunk, encoding, cb) {
-  cb(null, chunk);
-};
-
-},{"./_stream_transform":120,"core-util-is":48,"inherits":92}],119:[function(require,module,exports){
-(function (process){
-'use strict';
-
-module.exports = Readable;
-
-/*<replacement>*/
-var processNextTick = require('process-nextick-args');
-/*</replacement>*/
-
-
-/*<replacement>*/
-var isArray = require('isarray');
-/*</replacement>*/
-
-
-/*<replacement>*/
-var Buffer = require('buffer').Buffer;
-/*</replacement>*/
-
-Readable.ReadableState = ReadableState;
-
-var EE = require('events');
-
-/*<replacement>*/
-var EElistenerCount = function(emitter, type) {
-  return emitter.listeners(type).length;
-};
-/*</replacement>*/
-
-
-
-/*<replacement>*/
-var Stream;
-(function (){try{
-  Stream = require('st' + 'ream');
-}catch(_){}finally{
-  if (!Stream)
-    Stream = require('events').EventEmitter;
-}}())
-/*</replacement>*/
-
-var Buffer = require('buffer').Buffer;
-
-/*<replacement>*/
-var util = require('core-util-is');
-util.inherits = require('inherits');
-/*</replacement>*/
-
-
-
-/*<replacement>*/
-var debugUtil = require('util');
-var debug;
-if (debugUtil && debugUtil.debuglog) {
-  debug = debugUtil.debuglog('stream');
-} else {
-  debug = function () {};
-}
-/*</replacement>*/
-
-var StringDecoder;
-
-util.inherits(Readable, Stream);
-
-function ReadableState(options, stream) {
-  var Duplex = require('./_stream_duplex');
-
-  options = options || {};
-
-  // object stream flag. Used to make read(n) ignore n and to
-  // make all the buffer merging and length checks go away
-  this.objectMode = !!options.objectMode;
-
-  if (stream instanceof Duplex)
-    this.objectMode = this.objectMode || !!options.readableObjectMode;
-
-  // the point at which it stops calling _read() to fill the buffer
-  // Note: 0 is a valid value, means "don't call _read preemptively ever"
-  var hwm = options.highWaterMark;
-  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
-  this.highWaterMark = (hwm || hwm === 0) ? hwm : defaultHwm;
-
-  // cast to ints.
-  this.highWaterMark = ~~this.highWaterMark;
-
-  this.buffer = [];
-  this.length = 0;
-  this.pipes = null;
-  this.pipesCount = 0;
-  this.flowing = null;
-  this.ended = false;
-  this.endEmitted = false;
-  this.reading = false;
-
-  // a flag to be able to tell if the onwrite cb is called immediately,
-  // or on a later tick.  We set this to true at first, because any
-  // actions that shouldn't happen until "later" should generally also
-  // not happen before the first write call.
-  this.sync = true;
-
-  // whenever we return null, then we set a flag to say
-  // that we're awaiting a 'readable' event emission.
-  this.needReadable = false;
-  this.emittedReadable = false;
-  this.readableListening = false;
-
-  // Crypto is kind of old and crusty.  Historically, its default string
-  // encoding is 'binary' so we have to make this configurable.
-  // Everything else in the universe uses 'utf8', though.
-  this.defaultEncoding = options.defaultEncoding || 'utf8';
-
-  // when piping, we only care about 'readable' events that happen
-  // after read()ing all the bytes and not getting any pushback.
-  this.ranOut = false;
-
-  // the number of writers that are awaiting a drain event in .pipe()s
-  this.awaitDrain = 0;
-
-  // if true, a maybeReadMore has been scheduled
-  this.readingMore = false;
-
-  this.decoder = null;
-  this.encoding = null;
-  if (options.encoding) {
-    if (!StringDecoder)
-      StringDecoder = require('string_decoder/').StringDecoder;
-    this.decoder = new StringDecoder(options.encoding);
-    this.encoding = options.encoding;
-  }
-}
-
-function Readable(options) {
-  var Duplex = require('./_stream_duplex');
-
-  if (!(this instanceof Readable))
-    return new Readable(options);
-
-  this._readableState = new ReadableState(options, this);
-
-  // legacy
-  this.readable = true;
-
-  if (options && typeof options.read === 'function')
-    this._read = options.read;
-
-  Stream.call(this);
-}
-
-// Manually shove something into the read() buffer.
-// This returns true if the highWaterMark has not been hit yet,
-// similar to how Writable.write() returns true if you should
-// write() some more.
-Readable.prototype.push = function(chunk, encoding) {
-  var state = this._readableState;
-
-  if (!state.objectMode && typeof chunk === 'string') {
-    encoding = encoding || state.defaultEncoding;
-    if (encoding !== state.encoding) {
-      chunk = new Buffer(chunk, encoding);
-      encoding = '';
-    }
-  }
-
-  return readableAddChunk(this, state, chunk, encoding, false);
-};
-
-// Unshift should *always* be something directly out of read()
-Readable.prototype.unshift = function(chunk) {
-  var state = this._readableState;
-  return readableAddChunk(this, state, chunk, '', true);
-};
-
-Readable.prototype.isPaused = function() {
-  return this._readableState.flowing === false;
-};
-
-function readableAddChunk(stream, state, chunk, encoding, addToFront) {
-  var er = chunkInvalid(state, chunk);
-  if (er) {
-    stream.emit('error', er);
-  } else if (chunk === null) {
-    state.reading = false;
-    onEofChunk(stream, state);
-  } else if (state.objectMode || chunk && chunk.length > 0) {
-    if (state.ended && !addToFront) {
-      var e = new Error('stream.push() after EOF');
-      stream.emit('error', e);
-    } else if (state.endEmitted && addToFront) {
-      var e = new Error('stream.unshift() after end event');
-      stream.emit('error', e);
-    } else {
-      if (state.decoder && !addToFront && !encoding)
-        chunk = state.decoder.write(chunk);
-
-      if (!addToFront)
-        state.reading = false;
-
-      // if we want the data now, just emit it.
-      if (state.flowing && state.length === 0 && !state.sync) {
-        stream.emit('data', chunk);
-        stream.read(0);
-      } else {
-        // update the buffer info.
-        state.length += state.objectMode ? 1 : chunk.length;
-        if (addToFront)
-          state.buffer.unshift(chunk);
-        else
-          state.buffer.push(chunk);
-
-        if (state.needReadable)
-          emitReadable(stream);
-      }
-
-      maybeReadMore(stream, state);
-    }
-  } else if (!addToFront) {
-    state.reading = false;
-  }
-
-  return needMoreData(state);
-}
-
-
-// if it's past the high water mark, we can push in some more.
-// Also, if we have no data yet, we can stand some
-// more bytes.  This is to work around cases where hwm=0,
-// such as the repl.  Also, if the push() triggered a
-// readable event, and the user called read(largeNumber) such that
-// needReadable was set, then we ought to push more, so that another
-// 'readable' event will be triggered.
-function needMoreData(state) {
-  return !state.ended &&
-         (state.needReadable ||
-          state.length < state.highWaterMark ||
-          state.length === 0);
-}
-
-// backwards compatibility.
-Readable.prototype.setEncoding = function(enc) {
-  if (!StringDecoder)
-    StringDecoder = require('string_decoder/').StringDecoder;
-  this._readableState.decoder = new StringDecoder(enc);
-  this._readableState.encoding = enc;
-  return this;
-};
-
-// Don't raise the hwm > 8MB
-var MAX_HWM = 0x800000;
-function computeNewHighWaterMark(n) {
-  if (n >= MAX_HWM) {
-    n = MAX_HWM;
-  } else {
-    // Get the next highest power of 2
-    n--;
-    n |= n >>> 1;
-    n |= n >>> 2;
-    n |= n >>> 4;
-    n |= n >>> 8;
-    n |= n >>> 16;
-    n++;
-  }
-  return n;
-}
-
-function howMuchToRead(n, state) {
-  if (state.length === 0 && state.ended)
-    return 0;
-
-  if (state.objectMode)
-    return n === 0 ? 0 : 1;
-
-  if (n === null || isNaN(n)) {
-    // only flow one buffer at a time
-    if (state.flowing && state.buffer.length)
-      return state.buffer[0].length;
-    else
-      return state.length;
-  }
-
-  if (n <= 0)
-    return 0;
-
-  // If we're asking for more than the target buffer level,
-  // then raise the water mark.  Bump up to the next highest
-  // power of 2, to prevent increasing it excessively in tiny
-  // amounts.
-  if (n > state.highWaterMark)
-    state.highWaterMark = computeNewHighWaterMark(n);
-
-  // don't have that much.  return null, unless we've ended.
-  if (n > state.length) {
-    if (!state.ended) {
-      state.needReadable = true;
-      return 0;
-    } else {
-      return state.length;
-    }
-  }
-
-  return n;
-}
-
-// you can override either this method, or the async _read(n) below.
-Readable.prototype.read = function(n) {
-  debug('read', n);
-  var state = this._readableState;
-  var nOrig = n;
-
-  if (typeof n !== 'number' || n > 0)
-    state.emittedReadable = false;
-
-  // if we're doing read(0) to trigger a readable event, but we
-  // already have a bunch of data in the buffer, then just trigger
-  // the 'readable' event and move on.
-  if (n === 0 &&
-      state.needReadable &&
-      (state.length >= state.highWaterMark || state.ended)) {
-    debug('read: emitReadable', state.length, state.ended);
-    if (state.length === 0 && state.ended)
-      endReadable(this);
-    else
-      emitReadable(this);
-    return null;
-  }
-
-  n = howMuchToRead(n, state);
-
-  // if we've ended, and we're now clear, then finish it up.
-  if (n === 0 && state.ended) {
-    if (state.length === 0)
-      endReadable(this);
-    return null;
-  }
-
-  // All the actual chunk generation logic needs to be
-  // *below* the call to _read.  The reason is that in certain
-  // synthetic stream cases, such as passthrough streams, _read
-  // may be a completely synchronous operation which may change
-  // the state of the read buffer, providing enough data when
-  // before there was *not* enough.
-  //
-  // So, the steps are:
-  // 1. Figure out what the state of things will be after we do
-  // a read from the buffer.
-  //
-  // 2. If that resulting state will trigger a _read, then call _read.
-  // Note that this may be asynchronous, or synchronous.  Yes, it is
-  // deeply ugly to write APIs this way, but that still doesn't mean
-  // that the Readable class should behave improperly, as streams are
-  // designed to be sync/async agnostic.
-  // Take note if the _read call is sync or async (ie, if the read call
-  // has returned yet), so that we know whether or not it's safe to emit
-  // 'readable' etc.
-  //
-  // 3. Actually pull the requested chunks out of the buffer and return.
-
-  // if we need a readable event, then we need to do some reading.
-  var doRead = state.needReadable;
-  debug('need readable', doRead);
-
-  // if we currently have less than the highWaterMark, then also read some
-  if (state.length === 0 || state.length - n < state.highWaterMark) {
-    doRead = true;
-    debug('length less than watermark', doRead);
-  }
-
-  // however, if we've ended, then there's no point, and if we're already
-  // reading, then it's unnecessary.
-  if (state.ended || state.reading) {
-    doRead = false;
-    debug('reading or ended', doRead);
-  }
-
-  if (doRead) {
-    debug('do read');
-    state.reading = true;
-    state.sync = true;
-    // if the length is currently zero, then we *need* a readable event.
-    if (state.length === 0)
-      state.needReadable = true;
-    // call internal read method
-    this._read(state.highWaterMark);
-    state.sync = false;
-  }
-
-  // If _read pushed data synchronously, then `reading` will be false,
-  // and we need to re-evaluate how much data we can return to the user.
-  if (doRead && !state.reading)
-    n = howMuchToRead(nOrig, state);
-
-  var ret;
-  if (n > 0)
-    ret = fromList(n, state);
-  else
-    ret = null;
-
-  if (ret === null) {
-    state.needReadable = true;
-    n = 0;
-  }
-
-  state.length -= n;
-
-  // If we have nothing in the buffer, then we want to know
-  // as soon as we *do* get something into the buffer.
-  if (state.length === 0 && !state.ended)
-    state.needReadable = true;
-
-  // If we tried to read() past the EOF, then emit end on the next tick.
-  if (nOrig !== n && state.ended && state.length === 0)
-    endReadable(this);
-
-  if (ret !== null)
-    this.emit('data', ret);
-
-  return ret;
-};
-
-function chunkInvalid(state, chunk) {
-  var er = null;
-  if (!(Buffer.isBuffer(chunk)) &&
-      typeof chunk !== 'string' &&
-      chunk !== null &&
-      chunk !== undefined &&
-      !state.objectMode) {
-    er = new TypeError('Invalid non-string/buffer chunk');
-  }
-  return er;
-}
-
-
-function onEofChunk(stream, state) {
-  if (state.ended) return;
-  if (state.decoder) {
-    var chunk = state.decoder.end();
-    if (chunk && chunk.length) {
-      state.buffer.push(chunk);
-      state.length += state.objectMode ? 1 : chunk.length;
-    }
-  }
-  state.ended = true;
-
-  // emit 'readable' now to make sure it gets picked up.
-  emitReadable(stream);
-}
-
-// Don't emit readable right away in sync mode, because this can trigger
-// another read() call => stack overflow.  This way, it might trigger
-// a nextTick recursion warning, but that's not so bad.
-function emitReadable(stream) {
-  var state = stream._readableState;
-  state.needReadable = false;
-  if (!state.emittedReadable) {
-    debug('emitReadable', state.flowing);
-    state.emittedReadable = true;
-    if (state.sync)
-      processNextTick(emitReadable_, stream);
-    else
-      emitReadable_(stream);
-  }
-}
-
-function emitReadable_(stream) {
-  debug('emit readable');
-  stream.emit('readable');
-  flow(stream);
-}
-
-
-// at this point, the user has presumably seen the 'readable' event,
-// and called read() to consume some data.  that may have triggered
-// in turn another _read(n) call, in which case reading = true if
-// it's in progress.
-// However, if we're not ended, or reading, and the length < hwm,
-// then go ahead and try to read some more preemptively.
-function maybeReadMore(stream, state) {
-  if (!state.readingMore) {
-    state.readingMore = true;
-    processNextTick(maybeReadMore_, stream, state);
-  }
-}
-
-function maybeReadMore_(stream, state) {
-  var len = state.length;
-  while (!state.reading && !state.flowing && !state.ended &&
-         state.length < state.highWaterMark) {
-    debug('maybeReadMore read 0');
-    stream.read(0);
-    if (len === state.length)
-      // didn't get any data, stop spinning.
-      break;
-    else
-      len = state.length;
-  }
-  state.readingMore = false;
-}
-
-// abstract method.  to be overridden in specific implementation classes.
-// call cb(er, data) where data is <= n in length.
-// for virtual (non-string, non-buffer) streams, "length" is somewhat
-// arbitrary, and perhaps not very meaningful.
-Readable.prototype._read = function(n) {
-  this.emit('error', new Error('not implemented'));
-};
-
-Readable.prototype.pipe = function(dest, pipeOpts) {
-  var src = this;
-  var state = this._readableState;
-
-  switch (state.pipesCount) {
-    case 0:
-      state.pipes = dest;
-      break;
-    case 1:
-      state.pipes = [state.pipes, dest];
-      break;
-    default:
-      state.pipes.push(dest);
-      break;
-  }
-  state.pipesCount += 1;
-  debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
-
-  var doEnd = (!pipeOpts || pipeOpts.end !== false) &&
-              dest !== process.stdout &&
-              dest !== process.stderr;
-
-  var endFn = doEnd ? onend : cleanup;
-  if (state.endEmitted)
-    processNextTick(endFn);
-  else
-    src.once('end', endFn);
-
-  dest.on('unpipe', onunpipe);
-  function onunpipe(readable) {
-    debug('onunpipe');
-    if (readable === src) {
-      cleanup();
-    }
-  }
-
-  function onend() {
-    debug('onend');
-    dest.end();
-  }
-
-  // when the dest drains, it reduces the awaitDrain counter
-  // on the source.  This would be more elegant with a .once()
-  // handler in flow(), but adding and removing repeatedly is
-  // too slow.
-  var ondrain = pipeOnDrain(src);
-  dest.on('drain', ondrain);
-
-  var cleanedUp = false;
-  function cleanup() {
-    debug('cleanup');
-    // cleanup event handlers once the pipe is broken
-    dest.removeListener('close', onclose);
-    dest.removeListener('finish', onfinish);
-    dest.removeListener('drain', ondrain);
-    dest.removeListener('error', onerror);
-    dest.removeListener('unpipe', onunpipe);
-    src.removeListener('end', onend);
-    src.removeListener('end', cleanup);
-    src.removeListener('data', ondata);
-
-    cleanedUp = true;
-
-    // if the reader is waiting for a drain event from this
-    // specific writer, then it would cause it to never start
-    // flowing again.
-    // So, if this is awaiting a drain, then we just call it now.
-    // If we don't know, then assume that we are waiting for one.
-    if (state.awaitDrain &&
-        (!dest._writableState || dest._writableState.needDrain))
-      ondrain();
-  }
-
-  src.on('data', ondata);
-  function ondata(chunk) {
-    debug('ondata');
-    var ret = dest.write(chunk);
-    if (false === ret) {
-      // If the user unpiped during `dest.write()`, it is possible
-      // to get stuck in a permanently paused state if that write
-      // also returned false.
-      if (state.pipesCount === 1 &&
-          state.pipes[0] === dest &&
-          src.listenerCount('data') === 1 &&
-          !cleanedUp) {
-        debug('false write response, pause', src._readableState.awaitDrain);
-        src._readableState.awaitDrain++;
-      }
-      src.pause();
-    }
-  }
-
-  // if the dest has an error, then stop piping into it.
-  // however, don't suppress the throwing behavior for this.
-  function onerror(er) {
-    debug('onerror', er);
-    unpipe();
-    dest.removeListener('error', onerror);
-    if (EElistenerCount(dest, 'error') === 0)
-      dest.emit('error', er);
-  }
-  // This is a brutally ugly hack to make sure that our error handler
-  // is attached before any userland ones.  NEVER DO THIS.
-  if (!dest._events || !dest._events.error)
-    dest.on('error', onerror);
-  else if (isArray(dest._events.error))
-    dest._events.error.unshift(onerror);
-  else
-    dest._events.error = [onerror, dest._events.error];
-
-
-  // Both close and finish should trigger unpipe, but only once.
-  function onclose() {
-    dest.removeListener('finish', onfinish);
-    unpipe();
-  }
-  dest.once('close', onclose);
-  function onfinish() {
-    debug('onfinish');
-    dest.removeListener('close', onclose);
-    unpipe();
-  }
-  dest.once('finish', onfinish);
-
-  function unpipe() {
-    debug('unpipe');
-    src.unpipe(dest);
-  }
-
-  // tell the dest that it's being piped to
-  dest.emit('pipe', src);
-
-  // start the flow if it hasn't been started already.
-  if (!state.flowing) {
-    debug('pipe resume');
-    src.resume();
-  }
-
-  return dest;
-};
-
-function pipeOnDrain(src) {
-  return function() {
-    var state = src._readableState;
-    debug('pipeOnDrain', state.awaitDrain);
-    if (state.awaitDrain)
-      state.awaitDrain--;
-    if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
-      state.flowing = true;
-      flow(src);
-    }
-  };
-}
-
-
-Readable.prototype.unpipe = function(dest) {
-  var state = this._readableState;
-
-  // if we're not piping anywhere, then do nothing.
-  if (state.pipesCount === 0)
-    return this;
-
-  // just one destination.  most common case.
-  if (state.pipesCount === 1) {
-    // passed in one, but it's not the right one.
-    if (dest && dest !== state.pipes)
-      return this;
-
-    if (!dest)
-      dest = state.pipes;
-
-    // got a match.
-    state.pipes = null;
-    state.pipesCount = 0;
-    state.flowing = false;
-    if (dest)
-      dest.emit('unpipe', this);
-    return this;
-  }
-
-  // slow case. multiple pipe destinations.
-
-  if (!dest) {
-    // remove all.
-    var dests = state.pipes;
-    var len = state.pipesCount;
-    state.pipes = null;
-    state.pipesCount = 0;
-    state.flowing = false;
-
-    for (var i = 0; i < len; i++)
-      dests[i].emit('unpipe', this);
-    return this;
-  }
-
-  // try to find the right one.
-  var i = indexOf(state.pipes, dest);
-  if (i === -1)
-    return this;
-
-  state.pipes.splice(i, 1);
-  state.pipesCount -= 1;
-  if (state.pipesCount === 1)
-    state.pipes = state.pipes[0];
-
-  dest.emit('unpipe', this);
-
-  return this;
-};
-
-// set up data events if they are asked for
-// Ensure readable listeners eventually get something
-Readable.prototype.on = function(ev, fn) {
-  var res = Stream.prototype.on.call(this, ev, fn);
-
-  // If listening to data, and it has not explicitly been paused,
-  // then call resume to start the flow of data on the next tick.
-  if (ev === 'data' && false !== this._readableState.flowing) {
-    this.resume();
-  }
-
-  if (ev === 'readable' && this.readable) {
-    var state = this._readableState;
-    if (!state.readableListening) {
-      state.readableListening = true;
-      state.emittedReadable = false;
-      state.needReadable = true;
-      if (!state.reading) {
-        processNextTick(nReadingNextTick, this);
-      } else if (state.length) {
-        emitReadable(this, state);
-      }
-    }
-  }
-
-  return res;
-};
-Readable.prototype.addListener = Readable.prototype.on;
-
-function nReadingNextTick(self) {
-  debug('readable nexttick read 0');
-  self.read(0);
-}
-
-// pause() and resume() are remnants of the legacy readable stream API
-// If the user uses them, then switch into old mode.
-Readable.prototype.resume = function() {
-  var state = this._readableState;
-  if (!state.flowing) {
-    debug('resume');
-    state.flowing = true;
-    resume(this, state);
-  }
-  return this;
-};
-
-function resume(stream, state) {
-  if (!state.resumeScheduled) {
-    state.resumeScheduled = true;
-    processNextTick(resume_, stream, state);
-  }
-}
-
-function resume_(stream, state) {
-  if (!state.reading) {
-    debug('resume read 0');
-    stream.read(0);
-  }
-
-  state.resumeScheduled = false;
-  stream.emit('resume');
-  flow(stream);
-  if (state.flowing && !state.reading)
-    stream.read(0);
-}
-
-Readable.prototype.pause = function() {
-  debug('call pause flowing=%j', this._readableState.flowing);
-  if (false !== this._readableState.flowing) {
-    debug('pause');
-    this._readableState.flowing = false;
-    this.emit('pause');
-  }
-  return this;
-};
-
-function flow(stream) {
-  var state = stream._readableState;
-  debug('flow', state.flowing);
-  if (state.flowing) {
-    do {
-      var chunk = stream.read();
-    } while (null !== chunk && state.flowing);
-  }
-}
-
-// wrap an old-style stream as the async data source.
-// This is *not* part of the readable stream interface.
-// It is an ugly unfortunate mess of history.
-Readable.prototype.wrap = function(stream) {
-  var state = this._readableState;
-  var paused = false;
-
-  var self = this;
-  stream.on('end', function() {
-    debug('wrapped end');
-    if (state.decoder && !state.ended) {
-      var chunk = state.decoder.end();
-      if (chunk && chunk.length)
-        self.push(chunk);
-    }
-
-    self.push(null);
-  });
-
-  stream.on('data', function(chunk) {
-    debug('wrapped data');
-    if (state.decoder)
-      chunk = state.decoder.write(chunk);
-
-    // don't skip over falsy values in objectMode
-    if (state.objectMode && (chunk === null || chunk === undefined))
-      return;
-    else if (!state.objectMode && (!chunk || !chunk.length))
-      return;
-
-    var ret = self.push(chunk);
-    if (!ret) {
-      paused = true;
-      stream.pause();
-    }
-  });
-
-  // proxy all the other methods.
-  // important when wrapping filters and duplexes.
-  for (var i in stream) {
-    if (this[i] === undefined && typeof stream[i] === 'function') {
-      this[i] = function(method) { return function() {
-        return stream[method].apply(stream, arguments);
-      }; }(i);
-    }
-  }
-
-  // proxy certain important events.
-  var events = ['error', 'close', 'destroy', 'pause', 'resume'];
-  forEach(events, function(ev) {
-    stream.on(ev, self.emit.bind(self, ev));
-  });
-
-  // when we try to consume some more bytes, simply unpause the
-  // underlying stream.
-  self._read = function(n) {
-    debug('wrapped _read', n);
-    if (paused) {
-      paused = false;
-      stream.resume();
-    }
-  };
-
-  return self;
-};
-
-
-// exposed for testing purposes only.
-Readable._fromList = fromList;
-
-// Pluck off n bytes from an array of buffers.
-// Length is the combined lengths of all the buffers in the list.
-function fromList(n, state) {
-  var list = state.buffer;
-  var length = state.length;
-  var stringMode = !!state.decoder;
-  var objectMode = !!state.objectMode;
-  var ret;
-
-  // nothing in the list, definitely empty.
-  if (list.length === 0)
-    return null;
-
-  if (length === 0)
-    ret = null;
-  else if (objectMode)
-    ret = list.shift();
-  else if (!n || n >= length) {
-    // read it all, truncate the array.
-    if (stringMode)
-      ret = list.join('');
-    else if (list.length === 1)
-      ret = list[0];
-    else
-      ret = Buffer.concat(list, length);
-    list.length = 0;
-  } else {
-    // read just some of it.
-    if (n < list[0].length) {
-      // just take a part of the first list item.
-      // slice is the same for buffers and strings.
-      var buf = list[0];
-      ret = buf.slice(0, n);
-      list[0] = buf.slice(n);
-    } else if (n === list[0].length) {
-      // first list is a perfect match
-      ret = list.shift();
-    } else {
-      // complex case.
-      // we have enough to cover it, but it spans past the first buffer.
-      if (stringMode)
-        ret = '';
-      else
-        ret = new Buffer(n);
-
-      var c = 0;
-      for (var i = 0, l = list.length; i < l && c < n; i++) {
-        var buf = list[0];
-        var cpy = Math.min(n - c, buf.length);
-
-        if (stringMode)
-          ret += buf.slice(0, cpy);
-        else
-          buf.copy(ret, c, 0, cpy);
-
-        if (cpy < buf.length)
-          list[0] = buf.slice(cpy);
-        else
-          list.shift();
-
-        c += cpy;
-      }
-    }
-  }
-
-  return ret;
-}
-
-function endReadable(stream) {
-  var state = stream._readableState;
-
-  // If we get here before consuming all the bytes, then that is a
-  // bug in node.  Should never happen.
-  if (state.length > 0)
-    throw new Error('endReadable called on non-empty stream');
-
-  if (!state.endEmitted) {
-    state.ended = true;
-    processNextTick(endReadableNT, state, stream);
-  }
-}
-
-function endReadableNT(state, stream) {
-  // Check that we didn't get one last unshift.
-  if (!state.endEmitted && state.length === 0) {
-    state.endEmitted = true;
-    stream.readable = false;
-    stream.emit('end');
-  }
-}
-
-function forEach (xs, f) {
-  for (var i = 0, l = xs.length; i < l; i++) {
-    f(xs[i], i);
-  }
-}
-
-function indexOf (xs, x) {
-  for (var i = 0, l = xs.length; i < l; i++) {
-    if (xs[i] === x) return i;
-  }
-  return -1;
-}
-
-}).call(this,require('_process'))
-},{"./_stream_duplex":117,"_process":108,"buffer":46,"core-util-is":48,"events":82,"inherits":92,"isarray":96,"process-nextick-args":107,"string_decoder/":136,"util":19}],120:[function(require,module,exports){
-// a transform stream is a readable/writable stream where you do
-// something with the data.  Sometimes it's called a "filter",
-// but that's not a great name for it, since that implies a thing where
-// some bits pass through, and others are simply ignored.  (That would
-// be a valid example of a transform, of course.)
-//
-// While the output is causally related to the input, it's not a
-// necessarily symmetric or synchronous transformation.  For example,
-// a zlib stream might take multiple plain-text writes(), and then
-// emit a single compressed chunk some time in the future.
-//
-// Here's how this works:
-//
-// The Transform stream has all the aspects of the readable and writable
-// stream classes.  When you write(chunk), that calls _write(chunk,cb)
-// internally, and returns false if there's a lot of pending writes
-// buffered up.  When you call read(), that calls _read(n) until
-// there's enough pending readable data buffered up.
-//
-// In a transform stream, the written data is placed in a buffer.  When
-// _read(n) is called, it transforms the queued up data, calling the
-// buffered _write cb's as it consumes chunks.  If consuming a single
-// written chunk would result in multiple output chunks, then the first
-// outputted bit calls the readcb, and subsequent chunks just go into
-// the read buffer, and will cause it to emit 'readable' if necessary.
-//
-// This way, back-pressure is actually determined by the reading side,
-// since _read has to be called to start processing a new chunk.  However,
-// a pathological inflate type of transform can cause excessive buffering
-// here.  For example, imagine a stream where every byte of input is
-// interpreted as an integer from 0-255, and then results in that many
-// bytes of output.  Writing the 4 bytes {ff,ff,ff,ff} would result in
-// 1kb of data being output.  In this case, you could write a very small
-// amount of input, and end up with a very large amount of output.  In
-// such a pathological inflating mechanism, there'd be no way to tell
-// the system to stop doing the transform.  A single 4MB write could
-// cause the system to run out of memory.
-//
-// However, even in such a pathological case, only a single written chunk
-// would be consumed, and then the rest would wait (un-transformed) until
-// the results of the previous transformed chunk were consumed.
-
-'use strict';
-
-module.exports = Transform;
-
-var Duplex = require('./_stream_duplex');
-
-/*<replacement>*/
-var util = require('core-util-is');
-util.inherits = require('inherits');
-/*</replacement>*/
-
-util.inherits(Transform, Duplex);
-
-
-function TransformState(stream) {
-  this.afterTransform = function(er, data) {
-    return afterTransform(stream, er, data);
-  };
-
-  this.needTransform = false;
-  this.transforming = false;
-  this.writecb = null;
-  this.writechunk = null;
-}
-
-function afterTransform(stream, er, data) {
-  var ts = stream._transformState;
-  ts.transforming = false;
-
-  var cb = ts.writecb;
-
-  if (!cb)
-    return stream.emit('error', new Error('no writecb in Transform class'));
-
-  ts.writechunk = null;
-  ts.writecb = null;
-
-  if (data !== null && data !== undefined)
-    stream.push(data);
-
-  if (cb)
-    cb(er);
-
-  var rs = stream._readableState;
-  rs.reading = false;
-  if (rs.needReadable || rs.length < rs.highWaterMark) {
-    stream._read(rs.highWaterMark);
-  }
-}
-
-
-function Transform(options) {
-  if (!(this instanceof Transform))
-    return new Transform(options);
-
-  Duplex.call(this, options);
-
-  this._transformState = new TransformState(this);
-
-  // when the writable side finishes, then flush out anything remaining.
-  var stream = this;
-
-  // start out asking for a readable event once data is transformed.
-  this._readableState.needReadable = true;
-
-  // we have implemented the _read method, and done the other things
-  // that Readable wants before the first _read call, so unset the
-  // sync guard flag.
-  this._readableState.sync = false;
-
-  if (options) {
-    if (typeof options.transform === 'function')
-      this._transform = options.transform;
-
-    if (typeof options.flush === 'function')
-      this._flush = options.flush;
-  }
-
-  this.once('prefinish', function() {
-    if (typeof this._flush === 'function')
-      this._flush(function(er) {
-        done(stream, er);
-      });
-    else
-      done(stream);
-  });
-}
-
-Transform.prototype.push = function(chunk, encoding) {
-  this._transformState.needTransform = false;
-  return Duplex.prototype.push.call(this, chunk, encoding);
-};
-
-// This is the part where you do stuff!
-// override this function in implementation classes.
-// 'chunk' is an input chunk.
-//
-// Call `push(newChunk)` to pass along transformed output
-// to the readable side.  You may call 'push' zero or more times.
-//
-// Call `cb(err)` when you are done with this chunk.  If you pass
-// an error, then that'll put the hurt on the whole operation.  If you
-// never call cb(), then you'll never get another chunk.
-Transform.prototype._transform = function(chunk, encoding, cb) {
-  throw new Error('not implemented');
-};
-
-Transform.prototype._write = function(chunk, encoding, cb) {
-  var ts = this._transformState;
-  ts.writecb = cb;
-  ts.writechunk = chunk;
-  ts.writeencoding = encoding;
-  if (!ts.transforming) {
-    var rs = this._readableState;
-    if (ts.needTransform ||
-        rs.needReadable ||
-        rs.length < rs.highWaterMark)
-      this._read(rs.highWaterMark);
-  }
-};
-
-// Doesn't matter what the args are here.
-// _transform does all the work.
-// That we got here means that the readable side wants more data.
-Transform.prototype._read = function(n) {
-  var ts = this._transformState;
-
-  if (ts.writechunk !== null && ts.writecb && !ts.transforming) {
-    ts.transforming = true;
-    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
-  } else {
-    // mark that we need a transform, so that any data that comes in
-    // will get processed, now that we've asked for it.
-    ts.needTransform = true;
-  }
-};
-
-
-function done(stream, er) {
-  if (er)
-    return stream.emit('error', er);
-
-  // if there's nothing in the write buffer, then that means
-  // that nothing more will ever be provided
-  var ws = stream._writableState;
-  var ts = stream._transformState;
-
-  if (ws.length)
-    throw new Error('calling transform done when ws.length != 0');
-
-  if (ts.transforming)
-    throw new Error('calling transform done when still transforming');
-
-  return stream.push(null);
-}
-
-},{"./_stream_duplex":117,"core-util-is":48,"inherits":92}],121:[function(require,module,exports){
-// A bit simpler than readable streams.
-// Implement an async ._write(chunk, encoding, cb), and it'll handle all
-// the drain event emission and buffering.
-
-'use strict';
-
-module.exports = Writable;
-
-/*<replacement>*/
-var processNextTick = require('process-nextick-args');
-/*</replacement>*/
-
-
-/*<replacement>*/
-var Buffer = require('buffer').Buffer;
-/*</replacement>*/
-
-Writable.WritableState = WritableState;
-
-
-/*<replacement>*/
-var util = require('core-util-is');
-util.inherits = require('inherits');
-/*</replacement>*/
-
-
-/*<replacement>*/
-var internalUtil = {
-  deprecate: require('util-deprecate')
-};
-/*</replacement>*/
-
-
-
-/*<replacement>*/
-var Stream;
-(function (){try{
-  Stream = require('st' + 'ream');
-}catch(_){}finally{
-  if (!Stream)
-    Stream = require('events').EventEmitter;
-}}())
-/*</replacement>*/
-
-var Buffer = require('buffer').Buffer;
-
-util.inherits(Writable, Stream);
-
-function nop() {}
-
-function WriteReq(chunk, encoding, cb) {
-  this.chunk = chunk;
-  this.encoding = encoding;
-  this.callback = cb;
-  this.next = null;
-}
-
-function WritableState(options, stream) {
-  var Duplex = require('./_stream_duplex');
-
-  options = options || {};
-
-  // object stream flag to indicate whether or not this stream
-  // contains buffers or objects.
-  this.objectMode = !!options.objectMode;
-
-  if (stream instanceof Duplex)
-    this.objectMode = this.objectMode || !!options.writableObjectMode;
-
-  // the point at which write() starts returning false
-  // Note: 0 is a valid value, means that we always return false if
-  // the entire buffer is not flushed immediately on write()
-  var hwm = options.highWaterMark;
-  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
-  this.highWaterMark = (hwm || hwm === 0) ? hwm : defaultHwm;
-
-  // cast to ints.
-  this.highWaterMark = ~~this.highWaterMark;
-
-  this.needDrain = false;
-  // at the start of calling end()
-  this.ending = false;
-  // when end() has been called, and returned
-  this.ended = false;
-  // when 'finish' is emitted
-  this.finished = false;
-
-  // should we decode strings into buffers before passing to _write?
-  // this is here so that some node-core streams can optimize string
-  // handling at a lower level.
-  var noDecode = options.decodeStrings === false;
-  this.decodeStrings = !noDecode;
-
-  // Crypto is kind of old and crusty.  Historically, its default string
-  // encoding is 'binary' so we have to make this configurable.
-  // Everything else in the universe uses 'utf8', though.
-  this.defaultEncoding = options.defaultEncoding || 'utf8';
-
-  // not an actual buffer we keep track of, but a measurement
-  // of how much we're waiting to get pushed to some underlying
-  // socket or file.
-  this.length = 0;
-
-  // a flag to see when we're in the middle of a write.
-  this.writing = false;
-
-  // when true all writes will be buffered until .uncork() call
-  this.corked = 0;
-
-  // a flag to be able to tell if the onwrite cb is called immediately,
-  // or on a later tick.  We set this to true at first, because any
-  // actions that shouldn't happen until "later" should generally also
-  // not happen before the first write call.
-  this.sync = true;
-
-  // a flag to know if we're processing previously buffered items, which
-  // may call the _write() callback in the same tick, so that we don't
-  // end up in an overlapped onwrite situation.
-  this.bufferProcessing = false;
-
-  // the callback that's passed to _write(chunk,cb)
-  this.onwrite = function(er) {
-    onwrite(stream, er);
-  };
-
-  // the callback that the user supplies to write(chunk,encoding,cb)
-  this.writecb = null;
-
-  // the amount that is being written when _write is called.
-  this.writelen = 0;
-
-  this.bufferedRequest = null;
-  this.lastBufferedRequest = null;
-
-  // number of pending user-supplied write callbacks
-  // this must be 0 before 'finish' can be emitted
-  this.pendingcb = 0;
-
-  // emit prefinish if the only thing we're waiting for is _write cbs
-  // This is relevant for synchronous Transform streams
-  this.prefinished = false;
-
-  // True if the error was already emitted and should not be thrown again
-  this.errorEmitted = false;
-}
-
-WritableState.prototype.getBuffer = function writableStateGetBuffer() {
-  var current = this.bufferedRequest;
-  var out = [];
-  while (current) {
-    out.push(current);
-    current = current.next;
-  }
-  return out;
-};
-
-(function (){try {
-Object.defineProperty(WritableState.prototype, 'buffer', {
-  get: internalUtil.deprecate(function() {
-    return this.getBuffer();
-  }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' +
-     'instead.')
-});
-}catch(_){}}());
-
-
-function Writable(options) {
-  var Duplex = require('./_stream_duplex');
-
-  // Writable ctor is applied to Duplexes, though they're not
-  // instanceof Writable, they're instanceof Readable.
-  if (!(this instanceof Writable) && !(this instanceof Duplex))
-    return new Writable(options);
-
-  this._writableState = new WritableState(options, this);
-
-  // legacy.
-  this.writable = true;
-
-  if (options) {
-    if (typeof options.write === 'function')
-      this._write = options.write;
-
-    if (typeof options.writev === 'function')
-      this._writev = options.writev;
-  }
-
-  Stream.call(this);
-}
-
-// Otherwise people can pipe Writable streams, which is just wrong.
-Writable.prototype.pipe = function() {
-  this.emit('error', new Error('Cannot pipe. Not readable.'));
-};
-
-
-function writeAfterEnd(stream, cb) {
-  var er = new Error('write after end');
-  // TODO: defer error events consistently everywhere, not just the cb
-  stream.emit('error', er);
-  processNextTick(cb, er);
-}
-
-// If we get something that is not a buffer, string, null, or undefined,
-// and we're not in objectMode, then that's an error.
-// Otherwise stream chunks are all considered to be of length=1, and the
-// watermarks determine how many objects to keep in the buffer, rather than
-// how many bytes or characters.
-function validChunk(stream, state, chunk, cb) {
-  var valid = true;
-
-  if (!(Buffer.isBuffer(chunk)) &&
-      typeof chunk !== 'string' &&
-      chunk !== null &&
-      chunk !== undefined &&
-      !state.objectMode) {
-    var er = new TypeError('Invalid non-string/buffer chunk');
-    stream.emit('error', er);
-    processNextTick(cb, er);
-    valid = false;
-  }
-  return valid;
-}
-
-Writable.prototype.write = function(chunk, encoding, cb) {
-  var state = this._writableState;
-  var ret = false;
-
-  if (typeof encoding === 'function') {
-    cb = encoding;
-    encoding = null;
-  }
-
-  if (Buffer.isBuffer(chunk))
-    encoding = 'buffer';
-  else if (!encoding)
-    encoding = state.defaultEncoding;
-
-  if (typeof cb !== 'function')
-    cb = nop;
-
-  if (state.ended)
-    writeAfterEnd(this, cb);
-  else if (validChunk(this, state, chunk, cb)) {
-    state.pendingcb++;
-    ret = writeOrBuffer(this, state, chunk, encoding, cb);
-  }
-
-  return ret;
-};
-
-Writable.prototype.cork = function() {
-  var state = this._writableState;
-
-  state.corked++;
-};
-
-Writable.prototype.uncork = function() {
-  var state = this._writableState;
-
-  if (state.corked) {
-    state.corked--;
-
-    if (!state.writing &&
-        !state.corked &&
-        !state.finished &&
-        !state.bufferProcessing &&
-        state.bufferedRequest)
-      clearBuffer(this, state);
-  }
-};
-
-Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
-  // node::ParseEncoding() requires lower case.
-  if (typeof encoding === 'string')
-    encoding = encoding.toLowerCase();
-  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64',
-'ucs2', 'ucs-2','utf16le', 'utf-16le', 'raw']
-.indexOf((encoding + '').toLowerCase()) > -1))
-    throw new TypeError('Unknown encoding: ' + encoding);
-  this._writableState.defaultEncoding = encoding;
-};
-
-function decodeChunk(state, chunk, encoding) {
-  if (!state.objectMode &&
-      state.decodeStrings !== false &&
-      typeof chunk === 'string') {
-    chunk = new Buffer(chunk, encoding);
-  }
-  return chunk;
-}
-
-// if we're already writing something, then just put this
-// in the queue, and wait our turn.  Otherwise, call _write
-// If we return false, then we need a drain event, so set that flag.
-function writeOrBuffer(stream, state, chunk, encoding, cb) {
-  chunk = decodeChunk(state, chunk, encoding);
-
-  if (Buffer.isBuffer(chunk))
-    encoding = 'buffer';
-  var len = state.objectMode ? 1 : chunk.length;
-
-  state.length += len;
-
-  var ret = state.length < state.highWaterMark;
-  // we must ensure that previous needDrain will not be reset to false.
-  if (!ret)
-    state.needDrain = true;
-
-  if (state.writing || state.corked) {
-    var last = state.lastBufferedRequest;
-    state.lastBufferedRequest = new WriteReq(chunk, encoding, cb);
-    if (last) {
-      last.next = state.lastBufferedRequest;
-    } else {
-      state.bufferedRequest = state.lastBufferedRequest;
-    }
-  } else {
-    doWrite(stream, state, false, len, chunk, encoding, cb);
-  }
-
-  return ret;
-}
-
-function doWrite(stream, state, writev, len, chunk, encoding, cb) {
-  state.writelen = len;
-  state.writecb = cb;
-  state.writing = true;
-  state.sync = true;
-  if (writev)
-    stream._writev(chunk, state.onwrite);
-  else
-    stream._write(chunk, encoding, state.onwrite);
-  state.sync = false;
-}
-
-function onwriteError(stream, state, sync, er, cb) {
-  --state.pendingcb;
-  if (sync)
-    processNextTick(cb, er);
-  else
-    cb(er);
-
-  stream._writableState.errorEmitted = true;
-  stream.emit('error', er);
-}
-
-function onwriteStateUpdate(state) {
-  state.writing = false;
-  state.writecb = null;
-  state.length -= state.writelen;
-  state.writelen = 0;
-}
-
-function onwrite(stream, er) {
-  var state = stream._writableState;
-  var sync = state.sync;
-  var cb = state.writecb;
-
-  onwriteStateUpdate(state);
-
-  if (er)
-    onwriteError(stream, state, sync, er, cb);
-  else {
-    // Check if we're actually ready to finish, but don't emit yet
-    var finished = needFinish(state);
-
-    if (!finished &&
-        !state.corked &&
-        !state.bufferProcessing &&
-        state.bufferedRequest) {
-      clearBuffer(stream, state);
-    }
-
-    if (sync) {
-      processNextTick(afterWrite, stream, state, finished, cb);
-    } else {
-      afterWrite(stream, state, finished, cb);
-    }
-  }
-}
-
-function afterWrite(stream, state, finished, cb) {
-  if (!finished)
-    onwriteDrain(stream, state);
-  state.pendingcb--;
-  cb();
-  finishMaybe(stream, state);
-}
-
-// Must force callback to be called on nextTick, so that we don't
-// emit 'drain' before the write() consumer gets the 'false' return
-// value, and has a chance to attach a 'drain' listener.
-function onwriteDrain(stream, state) {
-  if (state.length === 0 && state.needDrain) {
-    state.needDrain = false;
-    stream.emit('drain');
-  }
-}
-
-
-// if there's something in the buffer waiting, then process it
-function clearBuffer(stream, state) {
-  state.bufferProcessing = true;
-  var entry = state.bufferedRequest;
-
-  if (stream._writev && entry && entry.next) {
-    // Fast case, write everything using _writev()
-    var buffer = [];
-    var cbs = [];
-    while (entry) {
-      cbs.push(entry.callback);
-      buffer.push(entry);
-      entry = entry.next;
-    }
-
-    // count the one we are adding, as well.
-    // TODO(isaacs) clean this up
-    state.pendingcb++;
-    state.lastBufferedRequest = null;
-    doWrite(stream, state, true, state.length, buffer, '', function(err) {
-      for (var i = 0; i < cbs.length; i++) {
-        state.pendingcb--;
-        cbs[i](err);
-      }
-    });
-
-    // Clear buffer
-  } else {
-    // Slow case, write chunks one-by-one
-    while (entry) {
-      var chunk = entry.chunk;
-      var encoding = entry.encoding;
-      var cb = entry.callback;
-      var len = state.objectMode ? 1 : chunk.length;
-
-      doWrite(stream, state, false, len, chunk, encoding, cb);
-      entry = entry.next;
-      // if we didn't call the onwrite immediately, then
-      // it means that we need to wait until it does.
-      // also, that means that the chunk and cb are currently
-      // being processed, so move the buffer counter past them.
-      if (state.writing) {
-        break;
-      }
-    }
-
-    if (entry === null)
-      state.lastBufferedRequest = null;
-  }
-  state.bufferedRequest = entry;
-  state.bufferProcessing = false;
-}
-
-Writable.prototype._write = function(chunk, encoding, cb) {
-  cb(new Error('not implemented'));
-};
-
-Writable.prototype._writev = null;
-
-Writable.prototype.end = function(chunk, encoding, cb) {
-  var state = this._writableState;
-
-  if (typeof chunk === 'function') {
-    cb = chunk;
-    chunk = null;
-    encoding = null;
-  } else if (typeof encoding === 'function') {
-    cb = encoding;
-    encoding = null;
-  }
-
-  if (chunk !== null && chunk !== undefined)
-    this.write(chunk, encoding);
-
-  // .end() fully uncorks
-  if (state.corked) {
-    state.corked = 1;
-    this.uncork();
-  }
-
-  // ignore unnecessary end() calls.
-  if (!state.ending && !state.finished)
-    endWritable(this, state, cb);
-};
-
-
-function needFinish(state) {
-  return (state.ending &&
-          state.length === 0 &&
-          state.bufferedRequest === null &&
-          !state.finished &&
-          !state.writing);
-}
-
-function prefinish(stream, state) {
-  if (!state.prefinished) {
-    state.prefinished = true;
-    stream.emit('prefinish');
-  }
-}
-
-function finishMaybe(stream, state) {
-  var need = needFinish(state);
-  if (need) {
-    if (state.pendingcb === 0) {
-      prefinish(stream, state);
-      state.finished = true;
-      stream.emit('finish');
-    } else {
-      prefinish(stream, state);
-    }
-  }
-  return need;
-}
-
-function endWritable(stream, state, cb) {
-  state.ending = true;
-  finishMaybe(stream, state);
-  if (cb) {
-    if (state.finished)
-      processNextTick(cb);
-    else
-      stream.once('finish', cb);
-  }
-  state.ended = true;
-}
-
-},{"./_stream_duplex":117,"buffer":46,"core-util-is":48,"events":82,"inherits":92,"process-nextick-args":107,"util-deprecate":137}],122:[function(require,module,exports){
-module.exports = require("./lib/_stream_passthrough.js")
-
-},{"./lib/_stream_passthrough.js":118}],123:[function(require,module,exports){
-var Stream = (function (){
-  try {
-    return require('st' + 'ream'); // hack to fix a circular dependency issue when used with browserify
-  } catch(_){}
-}());
-exports = module.exports = require('./lib/_stream_readable.js');
-exports.Stream = Stream || exports;
-exports.Readable = exports;
-exports.Writable = require('./lib/_stream_writable.js');
-exports.Duplex = require('./lib/_stream_duplex.js');
-exports.Transform = require('./lib/_stream_transform.js');
-exports.PassThrough = require('./lib/_stream_passthrough.js');
-
-},{"./lib/_stream_duplex.js":117,"./lib/_stream_passthrough.js":118,"./lib/_stream_readable.js":119,"./lib/_stream_transform.js":120,"./lib/_stream_writable.js":121}],124:[function(require,module,exports){
-module.exports = require("./lib/_stream_transform.js")
-
-},{"./lib/_stream_transform.js":120}],125:[function(require,module,exports){
-module.exports = require("./lib/_stream_writable.js")
-
-},{"./lib/_stream_writable.js":121}],126:[function(require,module,exports){
-(function (Buffer){
-/*
-CryptoJS v3.1.2
-code.google.com/p/crypto-js
-(c) 2009-2013 by Jeff Mott. All rights reserved.
-code.google.com/p/crypto-js/wiki/License
-*/
-/** @preserve
-(c) 2012 by Cédric Mesnil. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
-
-    - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
-    - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-// constants table
-var zl = [
-  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
-  7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
-  3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
-  1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
-  4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
-]
-
-var zr = [
-  5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
-  6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
-  15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
-  8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
-  12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
-]
-
-var sl = [
-  11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
-  7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
-  11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
-  11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
-  9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
-]
-
-var sr = [
-  8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
-  9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
-  9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
-  15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
-  8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
-]
-
-var hl = [0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E]
-var hr = [0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000]
-
-function bytesToWords (bytes) {
-  var words = []
-  for (var i = 0, b = 0; i < bytes.length; i++, b += 8) {
-    words[b >>> 5] |= bytes[i] << (24 - b % 32)
-  }
-  return words
-}
-
-function wordsToBytes (words) {
-  var bytes = []
-  for (var b = 0; b < words.length * 32; b += 8) {
-    bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF)
-  }
-  return bytes
-}
-
-function processBlock (H, M, offset) {
-  // swap endian
-  for (var i = 0; i < 16; i++) {
-    var offset_i = offset + i
-    var M_offset_i = M[offset_i]
-
-    // Swap
-    M[offset_i] = (
-      (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) |
-      (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
-    )
-  }
-
-  // Working variables
-  var al, bl, cl, dl, el
-  var ar, br, cr, dr, er
-
-  ar = al = H[0]
-  br = bl = H[1]
-  cr = cl = H[2]
-  dr = dl = H[3]
-  er = el = H[4]
-
-  // computation
-  var t
-  for (i = 0; i < 80; i += 1) {
-    t = (al + M[offset + zl[i]]) | 0
-    if (i < 16) {
-      t += f1(bl, cl, dl) + hl[0]
-    } else if (i < 32) {
-      t += f2(bl, cl, dl) + hl[1]
-    } else if (i < 48) {
-      t += f3(bl, cl, dl) + hl[2]
-    } else if (i < 64) {
-      t += f4(bl, cl, dl) + hl[3]
-    } else {// if (i<80) {
-      t += f5(bl, cl, dl) + hl[4]
-    }
-    t = t | 0
-    t = rotl(t, sl[i])
-    t = (t + el) | 0
-    al = el
-    el = dl
-    dl = rotl(cl, 10)
-    cl = bl
-    bl = t
-
-    t = (ar + M[offset + zr[i]]) | 0
-    if (i < 16) {
-      t += f5(br, cr, dr) + hr[0]
-    } else if (i < 32) {
-      t += f4(br, cr, dr) + hr[1]
-    } else if (i < 48) {
-      t += f3(br, cr, dr) + hr[2]
-    } else if (i < 64) {
-      t += f2(br, cr, dr) + hr[3]
-    } else {// if (i<80) {
-      t += f1(br, cr, dr) + hr[4]
-    }
-
-    t = t | 0
-    t = rotl(t, sr[i])
-    t = (t + er) | 0
-    ar = er
-    er = dr
-    dr = rotl(cr, 10)
-    cr = br
-    br = t
-  }
-
-  // intermediate hash value
-  t = (H[1] + cl + dr) | 0
-  H[1] = (H[2] + dl + er) | 0
-  H[2] = (H[3] + el + ar) | 0
-  H[3] = (H[4] + al + br) | 0
-  H[4] = (H[0] + bl + cr) | 0
-  H[0] = t
-}
-
-function f1 (x, y, z) {
-  return ((x) ^ (y) ^ (z))
-}
-
-function f2 (x, y, z) {
-  return (((x) & (y)) | ((~x) & (z)))
-}
-
-function f3 (x, y, z) {
-  return (((x) | (~(y))) ^ (z))
-}
-
-function f4 (x, y, z) {
-  return (((x) & (z)) | ((y) & (~(z))))
-}
-
-function f5 (x, y, z) {
-  return ((x) ^ ((y) | (~(z))))
-}
-
-function rotl (x, n) {
-  return (x << n) | (x >>> (32 - n))
-}
-
-function ripemd160 (message) {
-  var H = [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0]
-
-  if (typeof message === 'string') {
-    message = new Buffer(message, 'utf8')
-  }
-
-  var m = bytesToWords(message)
-
-  var nBitsLeft = message.length * 8
-  var nBitsTotal = message.length * 8
-
-  // Add padding
-  m[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32)
-  m[(((nBitsLeft + 64) >>> 9) << 4) + 14] = (
-    (((nBitsTotal << 8) | (nBitsTotal >>> 24)) & 0x00ff00ff) |
-    (((nBitsTotal << 24) | (nBitsTotal >>> 8)) & 0xff00ff00)
-  )
-
-  for (var i = 0; i < m.length; i += 16) {
-    processBlock(H, m, i)
-  }
-
-  // swap endian
-  for (i = 0; i < 5; i++) {
-    // shortcut
-    var H_i = H[i]
-
-    // Swap
-    H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) |
-      (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00)
-  }
-
-  var digestbytes = wordsToBytes(H)
-  return new Buffer(digestbytes)
-}
-
-module.exports = ripemd160
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46}],127:[function(require,module,exports){
-(function (Buffer){
-// prototype class for hash functions
-function Hash (blockSize, finalSize) {
-  this._block = new Buffer(blockSize)
-  this._finalSize = finalSize
-  this._blockSize = blockSize
-  this._len = 0
-  this._s = 0
-}
-
-Hash.prototype.update = function (data, enc) {
-  if (typeof data === 'string') {
-    enc = enc || 'utf8'
-    data = new Buffer(data, enc)
-  }
-
-  var l = this._len += data.length
-  var s = this._s || 0
-  var f = 0
-  var buffer = this._block
-
-  while (s < l) {
-    var t = Math.min(data.length, f + this._blockSize - (s % this._blockSize))
-    var ch = (t - f)
-
-    for (var i = 0; i < ch; i++) {
-      buffer[(s % this._blockSize) + i] = data[i + f]
-    }
-
-    s += ch
-    f += ch
-
-    if ((s % this._blockSize) === 0) {
-      this._update(buffer)
-    }
-  }
-  this._s = s
-
-  return this
-}
-
-Hash.prototype.digest = function (enc) {
-  // Suppose the length of the message M, in bits, is l
-  var l = this._len * 8
-
-  // Append the bit 1 to the end of the message
-  this._block[this._len % this._blockSize] = 0x80
-
-  // and then k zero bits, where k is the smallest non-negative solution to the equation (l + 1 + k) === finalSize mod blockSize
-  this._block.fill(0, this._len % this._blockSize + 1)
-
-  if (l % (this._blockSize * 8) >= this._finalSize * 8) {
-    this._update(this._block)
-    this._block.fill(0)
-  }
-
-  // to this append the block which is equal to the number l written in binary
-  // TODO: handle case where l is > Math.pow(2, 29)
-  this._block.writeInt32BE(l, this._blockSize - 4)
-
-  var hash = this._update(this._block) || this._hash()
-
-  return enc ? hash.toString(enc) : hash
-}
-
-Hash.prototype._update = function () {
-  throw new Error('_update must be implemented by subclass')
-}
-
-module.exports = Hash
-
-}).call(this,require("buffer").Buffer)
-},{"buffer":46}],128:[function(require,module,exports){
-var exports = module.exports = function SHA (algorithm) {
-  algorithm = algorithm.toLowerCase()
-
-  var Algorithm = exports[algorithm]
-  if (!Algorithm) throw new Error(algorithm + ' is not supported (we accept pull requests)')
-
-  return new Algorithm()
-}
-
-exports.sha = require('./sha')
-exports.sha1 = require('./sha1')
-exports.sha224 = require('./sha224')
-exports.sha256 = require('./sha256')
-exports.sha384 = require('./sha384')
-exports.sha512 = require('./sha512')
-
-},{"./sha":129,"./sha1":130,"./sha224":131,"./sha256":132,"./sha384":133,"./sha512":134}],129:[function(require,module,exports){
-(function (Buffer){
-/*
- * A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined
- * in FIPS PUB 180-1
- * This source code is derived from sha1.js of the same repository.
- * The difference between SHA-0 and SHA-1 is just a bitwise rotate left
- * operation was added.
- */
-
-var inherits = require('inherits')
-var Hash = require('./hash')
-
-var W = new Array(80)
-
-function Sha () {
-  this.init()
-  this._w = W
-
-  Hash.call(this, 64, 56)
-}
-
-inherits(Sha, Hash)
-
-Sha.prototype.init = function () {
-  this._a = 0x67452301 | 0
-  this._b = 0xefcdab89 | 0
-  this._c = 0x98badcfe | 0
-  this._d = 0x10325476 | 0
-  this._e = 0xc3d2e1f0 | 0
-
-  return this
-}
-
-/*
- * Bitwise rotate a 32-bit number to the left.
- */
-function rol (num, cnt) {
-  return (num << cnt) | (num >>> (32 - cnt))
-}
-
-Sha.prototype._update = function (M) {
-  var W = this._w
-
-  var a = this._a
-  var b = this._b
-  var c = this._c
-  var d = this._d
-  var e = this._e
-
-  var j = 0
-  var k
-
-  /*
-   * SHA-1 has a bitwise rotate left operation. But, SHA is not
-   * function calcW() { return rol(W[j - 3] ^ W[j -  8] ^ W[j - 14] ^ W[j - 16], 1) }
-   */
-  function calcW () { return W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16] }
-  function loop (w, f) {
-    W[j] = w
-
-    var t = rol(a, 5) + f + e + w + k
-
-    e = d
-    d = c
-    c = rol(b, 30)
-    b = a
-    a = t
-    j++
-  }
-
-  k = 1518500249
-  while (j < 16) loop(M.readInt32BE(j * 4), (b & c) | ((~b) & d))
-  while (j < 20) loop(calcW(), (b & c) | ((~b) & d))
-  k = 1859775393
-  while (j < 40) loop(calcW(), b ^ c ^ d)
-  k = -1894007588
-  while (j < 60) loop(calcW(), (b & c) | (b & d) | (c & d))
-  k = -899497514
-  while (j < 80) loop(calcW(), b ^ c ^ d)
-
-  this._a = (a + this._a) | 0
-  this._b = (b + this._b) | 0
-  this._c = (c + this._c) | 0
-  this._d = (d + this._d) | 0
-  this._e = (e + this._e) | 0
-}
-
-Sha.prototype._hash = function () {
-  var H = new Buffer(20)
-
-  H.writeInt32BE(this._a | 0, 0)
-  H.writeInt32BE(this._b | 0, 4)
-  H.writeInt32BE(this._c | 0, 8)
-  H.writeInt32BE(this._d | 0, 12)
-  H.writeInt32BE(this._e | 0, 16)
-
-  return H
-}
-
-module.exports = Sha
-
-
-}).call(this,require("buffer").Buffer)
-},{"./hash":127,"buffer":46,"inherits":92}],130:[function(require,module,exports){
-(function (Buffer){
-/*
- * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
- * in FIPS PUB 180-1
- * Version 2.1a Copyright Paul Johnston 2000 - 2002.
- * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
- * Distributed under the BSD License
- * See http://pajhome.org.uk/crypt/md5 for details.
- */
-
-var inherits = require('inherits')
-var Hash = require('./hash')
-
-var W = new Array(80)
-
-function Sha1 () {
-  this.init()
-  this._w = W
-
-  Hash.call(this, 64, 56)
-}
-
-inherits(Sha1, Hash)
-
-Sha1.prototype.init = function () {
-  this._a = 0x67452301 | 0
-  this._b = 0xefcdab89 | 0
-  this._c = 0x98badcfe | 0
-  this._d = 0x10325476 | 0
-  this._e = 0xc3d2e1f0 | 0
-
-  return this
-}
-
-/*
- * Bitwise rotate a 32-bit number to the left.
- */
-function rol (num, cnt) {
-  return (num << cnt) | (num >>> (32 - cnt))
-}
-
-Sha1.prototype._update = function (M) {
-  var W = this._w
-
-  var a = this._a
-  var b = this._b
-  var c = this._c
-  var d = this._d
-  var e = this._e
-
-  var j = 0
-  var k
-
-  function calcW () { return rol(W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16], 1) }
-  function loop (w, f) {
-    W[j] = w
-
-    var t = rol(a, 5) + f + e + w + k
-
-    e = d
-    d = c
-    c = rol(b, 30)
-    b = a
-    a = t
-    j++
-  }
-
-  k = 1518500249
-  while (j < 16) loop(M.readInt32BE(j * 4), (b & c) | ((~b) & d))
-  while (j < 20) loop(calcW(), (b & c) | ((~b) & d))
-  k = 1859775393
-  while (j < 40) loop(calcW(), b ^ c ^ d)
-  k = -1894007588
-  while (j < 60) loop(calcW(), (b & c) | (b & d) | (c & d))
-  k = -899497514
-  while (j < 80) loop(calcW(), b ^ c ^ d)
-
-  this._a = (a + this._a) | 0
-  this._b = (b + this._b) | 0
-  this._c = (c + this._c) | 0
-  this._d = (d + this._d) | 0
-  this._e = (e + this._e) | 0
-}
-
-Sha1.prototype._hash = function () {
-  var H = new Buffer(20)
-
-  H.writeInt32BE(this._a | 0, 0)
-  H.writeInt32BE(this._b | 0, 4)
-  H.writeInt32BE(this._c | 0, 8)
-  H.writeInt32BE(this._d | 0, 12)
-  H.writeInt32BE(this._e | 0, 16)
-
-  return H
-}
-
-module.exports = Sha1
-
-}).call(this,require("buffer").Buffer)
-},{"./hash":127,"buffer":46,"inherits":92}],131:[function(require,module,exports){
-(function (Buffer){
-/**
- * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
- * in FIPS 180-2
- * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
- * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
- *
- */
-
-var inherits = require('inherits')
-var Sha256 = require('./sha256')
-var Hash = require('./hash')
-
-var W = new Array(64)
-
-function Sha224 () {
-  this.init()
-
-  this._w = W // new Array(64)
-
-  Hash.call(this, 64, 56)
-}
-
-inherits(Sha224, Sha256)
-
-Sha224.prototype.init = function () {
-  this._a = 0xc1059ed8 | 0
-  this._b = 0x367cd507 | 0
-  this._c = 0x3070dd17 | 0
-  this._d = 0xf70e5939 | 0
-  this._e = 0xffc00b31 | 0
-  this._f = 0x68581511 | 0
-  this._g = 0x64f98fa7 | 0
-  this._h = 0xbefa4fa4 | 0
-
-  return this
-}
-
-Sha224.prototype._hash = function () {
-  var H = new Buffer(28)
-
-  H.writeInt32BE(this._a, 0)
-  H.writeInt32BE(this._b, 4)
-  H.writeInt32BE(this._c, 8)
-  H.writeInt32BE(this._d, 12)
-  H.writeInt32BE(this._e, 16)
-  H.writeInt32BE(this._f, 20)
-  H.writeInt32BE(this._g, 24)
-
-  return H
-}
-
-module.exports = Sha224
-
-}).call(this,require("buffer").Buffer)
-},{"./hash":127,"./sha256":132,"buffer":46,"inherits":92}],132:[function(require,module,exports){
-(function (Buffer){
-/**
- * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
- * in FIPS 180-2
- * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
- * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
- *
- */
-
-var inherits = require('inherits')
-var Hash = require('./hash')
-
-var K = [
-  0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
-  0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
-  0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
-  0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
-  0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
-  0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
-  0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
-  0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
-  0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
-  0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
-  0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
-  0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
-  0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
-  0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
-  0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
-  0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2
-]
-
-var W = new Array(64)
-
-function Sha256 () {
-  this.init()
-
-  this._w = W // new Array(64)
-
-  Hash.call(this, 64, 56)
-}
-
-inherits(Sha256, Hash)
-
-Sha256.prototype.init = function () {
-  this._a = 0x6a09e667 | 0
-  this._b = 0xbb67ae85 | 0
-  this._c = 0x3c6ef372 | 0
-  this._d = 0xa54ff53a | 0
-  this._e = 0x510e527f | 0
-  this._f = 0x9b05688c | 0
-  this._g = 0x1f83d9ab | 0
-  this._h = 0x5be0cd19 | 0
-
-  return this
-}
-
-function Ch (x, y, z) {
-  return z ^ (x & (y ^ z))
-}
-
-function Maj (x, y, z) {
-  return (x & y) | (z & (x | y))
-}
-
-function Sigma0 (x) {
-  return (x >>> 2 | x << 30) ^ (x >>> 13 | x << 19) ^ (x >>> 22 | x << 10)
-}
-
-function Sigma1 (x) {
-  return (x >>> 6 | x << 26) ^ (x >>> 11 | x << 21) ^ (x >>> 25 | x << 7)
-}
-
-function Gamma0 (x) {
-  return (x >>> 7 | x << 25) ^ (x >>> 18 | x << 14) ^ (x >>> 3)
-}
-
-function Gamma1 (x) {
-  return (x >>> 17 | x << 15) ^ (x >>> 19 | x << 13) ^ (x >>> 10)
-}
-
-Sha256.prototype._update = function (M) {
-  var W = this._w
-
-  var a = this._a | 0
-  var b = this._b | 0
-  var c = this._c | 0
-  var d = this._d | 0
-  var e = this._e | 0
-  var f = this._f | 0
-  var g = this._g | 0
-  var h = this._h | 0
-
-  var j = 0
-
-  function calcW () { return Gamma1(W[j - 2]) + W[j - 7] + Gamma0(W[j - 15]) + W[j - 16] }
-  function loop (w) {
-    W[j] = w
-
-    var T1 = h + Sigma1(e) + Ch(e, f, g) + K[j] + w
-    var T2 = Sigma0(a) + Maj(a, b, c)
-
-    h = g
-    g = f
-    f = e
-    e = d + T1
-    d = c
-    c = b
-    b = a
-    a = T1 + T2
-
-    j++
-  }
-
-  while (j < 16) loop(M.readInt32BE(j * 4))
-  while (j < 64) loop(calcW())
-
-  this._a = (a + this._a) | 0
-  this._b = (b + this._b) | 0
-  this._c = (c + this._c) | 0
-  this._d = (d + this._d) | 0
-  this._e = (e + this._e) | 0
-  this._f = (f + this._f) | 0
-  this._g = (g + this._g) | 0
-  this._h = (h + this._h) | 0
-}
-
-Sha256.prototype._hash = function () {
-  var H = new Buffer(32)
-
-  H.writeInt32BE(this._a, 0)
-  H.writeInt32BE(this._b, 4)
-  H.writeInt32BE(this._c, 8)
-  H.writeInt32BE(this._d, 12)
-  H.writeInt32BE(this._e, 16)
-  H.writeInt32BE(this._f, 20)
-  H.writeInt32BE(this._g, 24)
-  H.writeInt32BE(this._h, 28)
-
-  return H
-}
-
-module.exports = Sha256
-
-}).call(this,require("buffer").Buffer)
-},{"./hash":127,"buffer":46,"inherits":92}],133:[function(require,module,exports){
-(function (Buffer){
-var inherits = require('inherits')
-var SHA512 = require('./sha512')
-var Hash = require('./hash')
-
-var W = new Array(160)
-
-function Sha384 () {
-  this.init()
-  this._w = W
-
-  Hash.call(this, 128, 112)
-}
-
-inherits(Sha384, SHA512)
-
-Sha384.prototype.init = function () {
-  this._a = 0xcbbb9d5d | 0
-  this._b = 0x629a292a | 0
-  this._c = 0x9159015a | 0
-  this._d = 0x152fecd8 | 0
-  this._e = 0x67332667 | 0
-  this._f = 0x8eb44a87 | 0
-  this._g = 0xdb0c2e0d | 0
-  this._h = 0x47b5481d | 0
-
-  this._al = 0xc1059ed8 | 0
-  this._bl = 0x367cd507 | 0
-  this._cl = 0x3070dd17 | 0
-  this._dl = 0xf70e5939 | 0
-  this._el = 0xffc00b31 | 0
-  this._fl = 0x68581511 | 0
-  this._gl = 0x64f98fa7 | 0
-  this._hl = 0xbefa4fa4 | 0
-
-  return this
-}
-
-Sha384.prototype._hash = function () {
-  var H = new Buffer(48)
-
-  function writeInt64BE (h, l, offset) {
-    H.writeInt32BE(h, offset)
-    H.writeInt32BE(l, offset + 4)
-  }
-
-  writeInt64BE(this._a, this._al, 0)
-  writeInt64BE(this._b, this._bl, 8)
-  writeInt64BE(this._c, this._cl, 16)
-  writeInt64BE(this._d, this._dl, 24)
-  writeInt64BE(this._e, this._el, 32)
-  writeInt64BE(this._f, this._fl, 40)
-
-  return H
-}
-
-module.exports = Sha384
-
-}).call(this,require("buffer").Buffer)
-},{"./hash":127,"./sha512":134,"buffer":46,"inherits":92}],134:[function(require,module,exports){
-(function (Buffer){
-var inherits = require('inherits')
-var Hash = require('./hash')
-
-var K = [
-  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
-  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
-  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
-  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
-  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
-  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
-  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
-  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
-  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
-  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
-  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
-  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
-  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
-  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
-  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
-  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
-  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
-  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
-  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
-  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
-  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
-  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
-  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
-  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
-  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
-  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
-  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
-  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
-  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
-  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
-  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
-  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
-  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
-  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
-  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
-  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
-  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
-  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
-  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
-  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
-]
-
-var W = new Array(160)
-
-function Sha512 () {
-  this.init()
-  this._w = W
-
-  Hash.call(this, 128, 112)
-}
-
-inherits(Sha512, Hash)
-
-Sha512.prototype.init = function () {
-  this._a = 0x6a09e667 | 0
-  this._b = 0xbb67ae85 | 0
-  this._c = 0x3c6ef372 | 0
-  this._d = 0xa54ff53a | 0
-  this._e = 0x510e527f | 0
-  this._f = 0x9b05688c | 0
-  this._g = 0x1f83d9ab | 0
-  this._h = 0x5be0cd19 | 0
-
-  this._al = 0xf3bcc908 | 0
-  this._bl = 0x84caa73b | 0
-  this._cl = 0xfe94f82b | 0
-  this._dl = 0x5f1d36f1 | 0
-  this._el = 0xade682d1 | 0
-  this._fl = 0x2b3e6c1f | 0
-  this._gl = 0xfb41bd6b | 0
-  this._hl = 0x137e2179 | 0
-
-  return this
-}
-
-function Ch (x, y, z) {
-  return z ^ (x & (y ^ z))
-}
-
-function Maj (x, y, z) {
-  return (x & y) | (z & (x | y))
-}
-
-function Sigma0 (x, xl) {
-  return (x >>> 28 | xl << 4) ^ (xl >>> 2 | x << 30) ^ (xl >>> 7 | x << 25)
-}
-
-function Sigma1 (x, xl) {
-  return (x >>> 14 | xl << 18) ^ (x >>> 18 | xl << 14) ^ (xl >>> 9 | x << 23)
-}
-
-function Gamma0 (x, xl) {
-  return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7)
-}
-
-function Gamma0l (x, xl) {
-  return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7 | xl << 25)
-}
-
-function Gamma1 (x, xl) {
-  return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6)
-}
-
-function Gamma1l (x, xl) {
-  return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6 | xl << 26)
-}
-
-Sha512.prototype._update = function (M) {
-  var W = this._w
-
-  var a = this._a | 0
-  var b = this._b | 0
-  var c = this._c | 0
-  var d = this._d | 0
-  var e = this._e | 0
-  var f = this._f | 0
-  var g = this._g | 0
-  var h = this._h | 0
-
-  var al = this._al | 0
-  var bl = this._bl | 0
-  var cl = this._cl | 0
-  var dl = this._dl | 0
-  var el = this._el | 0
-  var fl = this._fl | 0
-  var gl = this._gl | 0
-  var hl = this._hl | 0
-
-  var i = 0
-  var j = 0
-  var Wi, Wil
-  function calcW () {
-    var x = W[j - 15 * 2]
-    var xl = W[j - 15 * 2 + 1]
-    var gamma0 = Gamma0(x, xl)
-    var gamma0l = Gamma0l(xl, x)
-
-    x = W[j - 2 * 2]
-    xl = W[j - 2 * 2 + 1]
-    var gamma1 = Gamma1(x, xl)
-    var gamma1l = Gamma1l(xl, x)
-
-    // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16]
-    var Wi7 = W[j - 7 * 2]
-    var Wi7l = W[j - 7 * 2 + 1]
-
-    var Wi16 = W[j - 16 * 2]
-    var Wi16l = W[j - 16 * 2 + 1]
-
-    Wil = gamma0l + Wi7l
-    Wi = gamma0 + Wi7 + ((Wil >>> 0) < (gamma0l >>> 0) ? 1 : 0)
-    Wil = Wil + gamma1l
-    Wi = Wi + gamma1 + ((Wil >>> 0) < (gamma1l >>> 0) ? 1 : 0)
-    Wil = Wil + Wi16l
-    Wi = Wi + Wi16 + ((Wil >>> 0) < (Wi16l >>> 0) ? 1 : 0)
-  }
-
-  function loop () {
-    W[j] = Wi
-    W[j + 1] = Wil
-
-    var maj = Maj(a, b, c)
-    var majl = Maj(al, bl, cl)
-
-    var sigma0h = Sigma0(a, al)
-    var sigma0l = Sigma0(al, a)
-    var sigma1h = Sigma1(e, el)
-    var sigma1l = Sigma1(el, e)
-
-    // t1 = h + sigma1 + ch + K[i] + W[i]
-    var Ki = K[j]
-    var Kil = K[j + 1]
-
-    var ch = Ch(e, f, g)
-    var chl = Ch(el, fl, gl)
-
-    var t1l = hl + sigma1l
-    var t1 = h + sigma1h + ((t1l >>> 0) < (hl >>> 0) ? 1 : 0)
-    t1l = t1l + chl
-    t1 = t1 + ch + ((t1l >>> 0) < (chl >>> 0) ? 1 : 0)
-    t1l = t1l + Kil
-    t1 = t1 + Ki + ((t1l >>> 0) < (Kil >>> 0) ? 1 : 0)
-    t1l = t1l + Wil
-    t1 = t1 + Wi + ((t1l >>> 0) < (Wil >>> 0) ? 1 : 0)
-
-    // t2 = sigma0 + maj
-    var t2l = sigma0l + majl
-    var t2 = sigma0h + maj + ((t2l >>> 0) < (sigma0l >>> 0) ? 1 : 0)
-
-    h = g
-    hl = gl
-    g = f
-    gl = fl
-    f = e
-    fl = el
-    el = (dl + t1l) | 0
-    e = (d + t1 + ((el >>> 0) < (dl >>> 0) ? 1 : 0)) | 0
-    d = c
-    dl = cl
-    c = b
-    cl = bl
-    b = a
-    bl = al
-    al = (t1l + t2l) | 0
-    a = (t1 + t2 + ((al >>> 0) < (t1l >>> 0) ? 1 : 0)) | 0
-
-    i++
-    j += 2
-  }
-
-  while (i < 16) {
-    Wi = M.readInt32BE(j * 4)
-    Wil = M.readInt32BE(j * 4 + 4)
-
-    loop()
-  }
-
-  while (i < 80) {
-    calcW()
-    loop()
-  }
-
-  this._al = (this._al + al) | 0
-  this._bl = (this._bl + bl) | 0
-  this._cl = (this._cl + cl) | 0
-  this._dl = (this._dl + dl) | 0
-  this._el = (this._el + el) | 0
-  this._fl = (this._fl + fl) | 0
-  this._gl = (this._gl + gl) | 0
-  this._hl = (this._hl + hl) | 0
-
-  this._a = (this._a + a + ((this._al >>> 0) < (al >>> 0) ? 1 : 0)) | 0
-  this._b = (this._b + b + ((this._bl >>> 0) < (bl >>> 0) ? 1 : 0)) | 0
-  this._c = (this._c + c + ((this._cl >>> 0) < (cl >>> 0) ? 1 : 0)) | 0
-  this._d = (this._d + d + ((this._dl >>> 0) < (dl >>> 0) ? 1 : 0)) | 0
-  this._e = (this._e + e + ((this._el >>> 0) < (el >>> 0) ? 1 : 0)) | 0
-  this._f = (this._f + f + ((this._fl >>> 0) < (fl >>> 0) ? 1 : 0)) | 0
-  this._g = (this._g + g + ((this._gl >>> 0) < (gl >>> 0) ? 1 : 0)) | 0
-  this._h = (this._h + h + ((this._hl >>> 0) < (hl >>> 0) ? 1 : 0)) | 0
-}
-
-Sha512.prototype._hash = function () {
-  var H = new Buffer(64)
-
-  function writeInt64BE (h, l, offset) {
-    H.writeInt32BE(h, offset)
-    H.writeInt32BE(l, offset + 4)
-  }
-
-  writeInt64BE(this._a, this._al, 0)
-  writeInt64BE(this._b, this._bl, 8)
-  writeInt64BE(this._c, this._cl, 16)
-  writeInt64BE(this._d, this._dl, 24)
-  writeInt64BE(this._e, this._el, 32)
-  writeInt64BE(this._f, this._fl, 40)
-  writeInt64BE(this._g, this._gl, 48)
-  writeInt64BE(this._h, this._hl, 56)
-
-  return H
-}
-
-module.exports = Sha512
-
-}).call(this,require("buffer").Buffer)
-},{"./hash":127,"buffer":46,"inherits":92}],135:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-module.exports = Stream;
-
-var EE = require('events').EventEmitter;
-var inherits = require('inherits');
-
-inherits(Stream, EE);
-Stream.Readable = require('readable-stream/readable.js');
-Stream.Writable = require('readable-stream/writable.js');
-Stream.Duplex = require('readable-stream/duplex.js');
-Stream.Transform = require('readable-stream/transform.js');
-Stream.PassThrough = require('readable-stream/passthrough.js');
-
-// Backwards-compat with node 0.4.x
-Stream.Stream = Stream;
-
-
-
-// old-style streams.  Note that the pipe method (the only relevant
-// part of this class) is overridden in the Readable class.
-
-function Stream() {
-  EE.call(this);
-}
-
-Stream.prototype.pipe = function(dest, options) {
-  var source = this;
-
-  function ondata(chunk) {
-    if (dest.writable) {
-      if (false === dest.write(chunk) && source.pause) {
-        source.pause();
-      }
-    }
-  }
-
-  source.on('data', ondata);
-
-  function ondrain() {
-    if (source.readable && source.resume) {
-      source.resume();
-    }
-  }
-
-  dest.on('drain', ondrain);
-
-  // If the 'end' option is not supplied, dest.end() will be called when
-  // source gets the 'end' or 'close' events.  Only dest.end() once.
-  if (!dest._isStdio && (!options || options.end !== false)) {
-    source.on('end', onend);
-    source.on('close', onclose);
-  }
-
-  var didOnEnd = false;
-  function onend() {
-    if (didOnEnd) return;
-    didOnEnd = true;
-
-    dest.end();
-  }
-
-
-  function onclose() {
-    if (didOnEnd) return;
-    didOnEnd = true;
-
-    if (typeof dest.destroy === 'function') dest.destroy();
-  }
-
-  // don't leave dangling pipes when there are errors.
-  function onerror(er) {
-    cleanup();
-    if (EE.listenerCount(this, 'error') === 0) {
-      throw er; // Unhandled stream error in pipe.
-    }
-  }
-
-  source.on('error', onerror);
-  dest.on('error', onerror);
-
-  // remove all the event listeners that were added.
-  function cleanup() {
-    source.removeListener('data', ondata);
-    dest.removeListener('drain', ondrain);
-
-    source.removeListener('end', onend);
-    source.removeListener('close', onclose);
-
-    source.removeListener('error', onerror);
-    dest.removeListener('error', onerror);
-
-    source.removeListener('end', cleanup);
-    source.removeListener('close', cleanup);
-
-    dest.removeListener('close', cleanup);
-  }
-
-  source.on('end', cleanup);
-  source.on('close', cleanup);
-
-  dest.on('close', cleanup);
-
-  dest.emit('pipe', source);
-
-  // Allow for unix-like usage: A.pipe(B).pipe(C)
-  return dest;
-};
-
-},{"events":82,"inherits":92,"readable-stream/duplex.js":116,"readable-stream/passthrough.js":122,"readable-stream/readable.js":123,"readable-stream/transform.js":124,"readable-stream/writable.js":125}],136:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-var Buffer = require('buffer').Buffer;
-
-var isBufferEncoding = Buffer.isEncoding
-  || function(encoding) {
-       switch (encoding && encoding.toLowerCase()) {
-         case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': case 'raw': return true;
-         default: return false;
-       }
-     }
-
-
-function assertEncoding(encoding) {
-  if (encoding && !isBufferEncoding(encoding)) {
-    throw new Error('Unknown encoding: ' + encoding);
-  }
-}
-
-// StringDecoder provides an interface for efficiently splitting a series of
-// buffers into a series of JS strings without breaking apart multi-byte
-// characters. CESU-8 is handled as part of the UTF-8 encoding.
-//
-// @TODO Handling all encodings inside a single object makes it very difficult
-// to reason about this code, so it should be split up in the future.
-// @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code
-// points as used by CESU-8.
-var StringDecoder = exports.StringDecoder = function(encoding) {
-  this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, '');
-  assertEncoding(encoding);
-  switch (this.encoding) {
-    case 'utf8':
-      // CESU-8 represents each of Surrogate Pair by 3-bytes
-      this.surrogateSize = 3;
-      break;
-    case 'ucs2':
-    case 'utf16le':
-      // UTF-16 represents each of Surrogate Pair by 2-bytes
-      this.surrogateSize = 2;
-      this.detectIncompleteChar = utf16DetectIncompleteChar;
-      break;
-    case 'base64':
-      // Base-64 stores 3 bytes in 4 chars, and pads the remainder.
-      this.surrogateSize = 3;
-      this.detectIncompleteChar = base64DetectIncompleteChar;
-      break;
-    default:
-      this.write = passThroughWrite;
-      return;
-  }
-
-  // Enough space to store all bytes of a single character. UTF-8 needs 4
-  // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate).
-  this.charBuffer = new Buffer(6);
-  // Number of bytes received for the current incomplete multi-byte character.
-  this.charReceived = 0;
-  // Number of bytes expected for the current incomplete multi-byte character.
-  this.charLength = 0;
-};
-
-
-// write decodes the given buffer and returns it as JS string that is
-// guaranteed to not contain any partial multi-byte characters. Any partial
-// character found at the end of the buffer is buffered up, and will be
-// returned when calling write again with the remaining bytes.
-//
-// Note: Converting a Buffer containing an orphan surrogate to a String
-// currently works, but converting a String to a Buffer (via `new Buffer`, or
-// Buffer#write) will replace incomplete surrogates with the unicode
-// replacement character. See https://codereview.chromium.org/121173009/ .
-StringDecoder.prototype.write = function(buffer) {
-  var charStr = '';
-  // if our last write ended with an incomplete multibyte character
-  while (this.charLength) {
-    // determine how many remaining bytes this buffer has to offer for this char
-    var available = (buffer.length >= this.charLength - this.charReceived) ?
-        this.charLength - this.charReceived :
-        buffer.length;
-
-    // add the new bytes to the char buffer
-    buffer.copy(this.charBuffer, this.charReceived, 0, available);
-    this.charReceived += available;
-
-    if (this.charReceived < this.charLength) {
-      // still not enough chars in this buffer? wait for more ...
-      return '';
-    }
-
-    // remove bytes belonging to the current character from the buffer
-    buffer = buffer.slice(available, buffer.length);
-
-    // get the character that was split
-    charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding);
-
-    // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
-    var charCode = charStr.charCodeAt(charStr.length - 1);
-    if (charCode >= 0xD800 && charCode <= 0xDBFF) {
-      this.charLength += this.surrogateSize;
-      charStr = '';
-      continue;
-    }
-    this.charReceived = this.charLength = 0;
-
-    // if there are no more bytes in this buffer, just emit our char
-    if (buffer.length === 0) {
-      return charStr;
-    }
-    break;
-  }
-
-  // determine and set charLength / charReceived
-  this.detectIncompleteChar(buffer);
-
-  var end = buffer.length;
-  if (this.charLength) {
-    // buffer the incomplete character bytes we got
-    buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end);
-    end -= this.charReceived;
-  }
-
-  charStr += buffer.toString(this.encoding, 0, end);
-
-  var end = charStr.length - 1;
-  var charCode = charStr.charCodeAt(end);
-  // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
-  if (charCode >= 0xD800 && charCode <= 0xDBFF) {
-    var size = this.surrogateSize;
-    this.charLength += size;
-    this.charReceived += size;
-    this.charBuffer.copy(this.charBuffer, size, 0, size);
-    buffer.copy(this.charBuffer, 0, 0, size);
-    return charStr.substring(0, end);
-  }
-
-  // or just emit the charStr
-  return charStr;
-};
-
-// detectIncompleteChar determines if there is an incomplete UTF-8 character at
-// the end of the given buffer. If so, it sets this.charLength to the byte
-// length that character, and sets this.charReceived to the number of bytes
-// that are available for this character.
-StringDecoder.prototype.detectIncompleteChar = function(buffer) {
-  // determine how many bytes we have to check at the end of this buffer
-  var i = (buffer.length >= 3) ? 3 : buffer.length;
-
-  // Figure out if one of the last i bytes of our buffer announces an
-  // incomplete char.
-  for (; i > 0; i--) {
-    var c = buffer[buffer.length - i];
-
-    // See http://en.wikipedia.org/wiki/UTF-8#Description
-
-    // 110XXXXX
-    if (i == 1 && c >> 5 == 0x06) {
-      this.charLength = 2;
-      break;
-    }
-
-    // 1110XXXX
-    if (i <= 2 && c >> 4 == 0x0E) {
-      this.charLength = 3;
-      break;
-    }
-
-    // 11110XXX
-    if (i <= 3 && c >> 3 == 0x1E) {
-      this.charLength = 4;
-      break;
-    }
-  }
-  this.charReceived = i;
-};
-
-StringDecoder.prototype.end = function(buffer) {
-  var res = '';
-  if (buffer && buffer.length)
-    res = this.write(buffer);
-
-  if (this.charReceived) {
-    var cr = this.charReceived;
-    var buf = this.charBuffer;
-    var enc = this.encoding;
-    res += buf.slice(0, cr).toString(enc);
-  }
-
-  return res;
-};
-
-function passThroughWrite(buffer) {
-  return buffer.toString(this.encoding);
-}
-
-function utf16DetectIncompleteChar(buffer) {
-  this.charReceived = buffer.length % 2;
-  this.charLength = this.charReceived ? 2 : 0;
-}
-
-function base64DetectIncompleteChar(buffer) {
-  this.charReceived = buffer.length % 3;
-  this.charLength = this.charReceived ? 3 : 0;
-}
-
-},{"buffer":46}],137:[function(require,module,exports){
-(function (global){
-
-/**
- * Module exports.
- */
-
-module.exports = deprecate;
-
-/**
- * Mark that a method should not be used.
- * Returns a modified function which warns once by default.
- *
- * If `localStorage.noDeprecation = true` is set, then it is a no-op.
- *
- * If `localStorage.throwDeprecation = true` is set, then deprecated functions
- * will throw an Error when invoked.
- *
- * If `localStorage.traceDeprecation = true` is set, then deprecated functions
- * will invoke `console.trace()` instead of `console.error()`.
- *
- * @param {Function} fn - the function to deprecate
- * @param {String} msg - the string to print to the console when `fn` is invoked
- * @returns {Function} a new "deprecated" version of `fn`
- * @api public
- */
-
-function deprecate (fn, msg) {
-  if (config('noDeprecation')) {
-    return fn;
-  }
-
-  var warned = false;
-  function deprecated() {
-    if (!warned) {
-      if (config('throwDeprecation')) {
-        throw new Error(msg);
-      } else if (config('traceDeprecation')) {
-        console.trace(msg);
-      } else {
-        console.warn(msg);
-      }
-      warned = true;
-    }
-    return fn.apply(this, arguments);
-  }
-
-  return deprecated;
-}
-
-/**
- * Checks `localStorage` for boolean values for the given `name`.
- *
- * @param {String} name
- * @returns {Boolean}
- * @api private
- */
-
-function config (name) {
-  // accessing global.localStorage can trigger a DOMException in sandboxed iframes
-  try {
-    if (!global.localStorage) return false;
-  } catch (_) {
-    return false;
-  }
-  var val = global.localStorage[name];
-  if (null == val) return false;
-  return String(val).toLowerCase() === 'true';
-}
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],138:[function(require,module,exports){
-var indexOf = require('indexof');
-
-var Object_keys = function (obj) {
-    if (Object.keys) return Object.keys(obj)
-    else {
-        var res = [];
-        for (var key in obj) res.push(key)
-        return res;
-    }
-};
-
-var forEach = function (xs, fn) {
-    if (xs.forEach) return xs.forEach(fn)
-    else for (var i = 0; i < xs.length; i++) {
-        fn(xs[i], i, xs);
-    }
-};
-
-var defineProp = (function() {
-    try {
-        Object.defineProperty({}, '_', {});
-        return function(obj, name, value) {
-            Object.defineProperty(obj, name, {
-                writable: true,
-                enumerable: false,
-                configurable: true,
-                value: value
-            })
-        };
-    } catch(e) {
-        return function(obj, name, value) {
-            obj[name] = value;
-        };
-    }
-}());
-
-var globals = ['Array', 'Boolean', 'Date', 'Error', 'EvalError', 'Function',
-'Infinity', 'JSON', 'Math', 'NaN', 'Number', 'Object', 'RangeError',
-'ReferenceError', 'RegExp', 'String', 'SyntaxError', 'TypeError', 'URIError',
-'decodeURI', 'decodeURIComponent', 'encodeURI', 'encodeURIComponent', 'escape',
-'eval', 'isFinite', 'isNaN', 'parseFloat', 'parseInt', 'undefined', 'unescape'];
-
-function Context() {}
-Context.prototype = {};
-
-var Script = exports.Script = function NodeScript (code) {
-    if (!(this instanceof Script)) return new Script(code);
-    this.code = code;
-};
-
-Script.prototype.runInContext = function (context) {
-    if (!(context instanceof Context)) {
-        throw new TypeError("needs a 'context' argument.");
-    }
-    
-    var iframe = document.createElement('iframe');
-    if (!iframe.style) iframe.style = {};
-    iframe.style.display = 'none';
-    
-    document.body.appendChild(iframe);
-    
-    var win = iframe.contentWindow;
-    var wEval = win.eval, wExecScript = win.execScript;
-
-    if (!wEval && wExecScript) {
-        // win.eval() magically appears when this is called in IE:
-        wExecScript.call(win, 'null');
-        wEval = win.eval;
-    }
-    
-    forEach(Object_keys(context), function (key) {
-        win[key] = context[key];
-    });
-    forEach(globals, function (key) {
-        if (context[key]) {
-            win[key] = context[key];
-        }
-    });
-    
-    var winKeys = Object_keys(win);
-
-    var res = wEval.call(win, this.code);
-    
-    forEach(Object_keys(win), function (key) {
-        // Avoid copying circular objects like `top` and `window` by only
-        // updating existing context properties or new properties in the `win`
-        // that was only introduced after the eval.
-        if (key in context || indexOf(winKeys, key) === -1) {
-            context[key] = win[key];
-        }
-    });
-
-    forEach(globals, function (key) {
-        if (!(key in context)) {
-            defineProp(context, key, win[key]);
-        }
-    });
-    
-    document.body.removeChild(iframe);
-    
-    return res;
-};
-
-Script.prototype.runInThisContext = function () {
-    return eval(this.code); // maybe...
-};
-
-Script.prototype.runInNewContext = function (context) {
-    var ctx = Script.createContext(context);
-    var res = this.runInContext(ctx);
-
-    forEach(Object_keys(ctx), function (key) {
-        context[key] = ctx[key];
-    });
-
-    return res;
-};
-
-forEach(Object_keys(Script.prototype), function (name) {
-    exports[name] = Script[name] = function (code) {
-        var s = Script(code);
-        return s[name].apply(s, [].slice.call(arguments, 1));
-    };
-});
-
-exports.createScript = function (code) {
-    return exports.Script(code);
-};
-
-exports.createContext = Script.createContext = function (context) {
-    var copy = new Context();
-    if(typeof context === 'object') {
-        forEach(Object_keys(context), function (key) {
-            copy[key] = context[key];
-        });
-    }
-    return copy;
-};
-
-},{"indexof":91}],139:[function(require,module,exports){
-(function (global){
-var isNode = !global.window
-
-if (isNode) {
-  module.exports = require('crypto')
-} else {
-  module.exports = require('crypto-browserify')
-}
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"crypto":19,"crypto-browserify":54}],140:[function(require,module,exports){
-(function (Buffer){
-/*
- * Id is an object representation of a peer Id. a peer Id is a multihash
- */
-
-var multihashing = require('multihashing')
-var base58 = require('bs58')
-var keypair = require('keypair')
-
-exports = module.exports = Id
-
-exports.Buffer = Buffer
-
-function Id (id, privKey, pubKey) {
-  var self = this
-
-  if (!(self instanceof Id)) {
-    throw new Error('Id must be called with new')
-  }
-
-  self.privKey = privKey
-  self.pubKey = pubKey
-  self.id = id // multihash - sha256 - buffer
-
-  // pretty print
-
-  self.toPrint = function () {
-    return {
-      id: self.toHexString(),
-      privKey: privKey.toString('hex'),
-      pubKey: pubKey.toString('hex')
-    }
-  }
-
-  // encode/decode functions
-
-  self.toHexString = function () {
-    return self.id.toString('hex')
-  }
-
-  self.toBytes = function () {
-    return self.id
-  }
-
-  self.toB58String = function () {
-    return base58.encode(self.id)
-  }
-}
-
-// generation
-
-exports.create = function () {
-  var pair = keypair()
-
-  var mhId = multihashing(pair.public, 'sha2-256')
-
-  return new Id(mhId, pair.private, pair.public)
-}
-
-exports.createFromHexString = function (str) {
-  return new Id(new Buffer(str), 'hex')
-}
-
-exports.createFromBytes = function (buf) {
-  return new Id(buf)
-}
-
-exports.createFromB58String = function (str) {
-  return new Id(new Buffer(base58.decode(str)))
-}
-
-exports.createFromPubKey = function (pubKey) {
-  var mhId = multihashing(pubKey, 'sha2-256')
-  return new Id(mhId, null, pubKey)
-}
-
-exports.createFromPrivKey = function () {
-  // TODO(daviddias) derive PubKey from priv
-}
-
-}).call(this,require("buffer").Buffer)
-},{"bs58":44,"buffer":46,"keypair":97,"multihashing":101}]},{},[140])(140)
-});
\ No newline at end of file
diff --git a/dist/peer-id.min.js b/dist/peer-id.min.js
deleted file mode 100644
index d5ddb54..0000000
--- a/dist/peer-id.min.js
+++ /dev/null
@@ -1,11 +0,0 @@
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a=e.readUInt8();n<<=7;n|=a&127;if((a&128)===0){i.push(n);n=0}}if(a&128)i.push(n);var f=i[0]/40|0;var s=i[0]%40;if(r)result=i;else result=[f,s].concat(i.slice(1));if(t)result=t[result.join(" ")];return result};c.prototype._decodeTime=function m(e,t){var r=e.raw().toString();if(t==="gentime"){var i=r.slice(0,4)|0;var n=r.slice(4,6)|0;var a=r.slice(6,8)|0;var f=r.slice(8,10)|0;var s=r.slice(10,12)|0;var o=r.slice(12,14)|0}else if(t==="utctime"){var i=r.slice(0,2)|0;var n=r.slice(2,4)|0;var a=r.slice(4,6)|0;var f=r.slice(6,8)|0;var s=r.slice(8,10)|0;var o=r.slice(10,12)|0;if(i<70)i=2e3+i;else i=1900+i}else{return this.error("Decoding "+t+" time is not supported yet")}return Date.UTC(i,n-1,a,f,s,o,0)};c.prototype._decodeNull=function w(e){return null};c.prototype._decodeBool=function _(e){var t=e.readUInt8();if(e.isError(t))return t;else return t!==0};c.prototype._decodeInt=function S(e,t){var r=e.raw();var i=new f(r);if(t)i=t[i.toString(10)]||i;return i};c.prototype._use=function 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i=t.label.toUpperCase();var a=/^-----(BEGIN|END) ([^-]+)-----$/;var s=-1;var o=-1;for(var c=0;c<r.length;c++){var h=r[c].match(a);if(h===null)continue;if(h[2]!==i)continue;if(s===-1){if(h[1]!=="BEGIN")break;s=c}else{if(h[1]!=="END")break;o=c;break}}if(s===-1||o===-1)throw new Error("PEM section not found for: "+i);var d=r.slice(s+1,o).join("");d.replace(/[^a-z0-9\+\/=]+/gi,"");var u=new n(d,"base64");return f.prototype.decode.call(this,u,t)}},{"../../asn1":1,"./der":9,buffer:46,inherits:92}],12:[function(e,t,r){var i=e("inherits");var n=e("buffer").Buffer;var a=e("../../asn1");var f=a.base;var s=a.bignum;var o=a.constants.der;function c(e){this.enc="der";this.name=e.name;this.entity=e;this.tree=new h;this.tree._init(e.body)}t.exports=c;c.prototype.encode=function l(e,t){return this.tree._encode(e,t).join()};function h(e){f.Node.call(this,"der",e)}i(h,f.Node);h.prototype._encodeComposite=function p(e,t,r,i){var a=u(e,t,r,this.reporter);if(i.length<128){var f=new n(2);f[0]=a;f[1]=i.length;return this._createEncoderBuffer([f,i])}var s=1;for(var o=i.length;o>=256;o>>=8)s++;var f=new n(1+1+s);f[0]=a;f[1]=128|s;for(var o=1+s,c=i.length;c>0;o--,c>>=8)f[o]=c&255;return this._createEncoderBuffer([f,i])};h.prototype._encodeStr=function b(e,t){if(t==="octstr")return this._createEncoderBuffer(e);else if(t==="bitstr")return this._createEncoderBuffer([e.unused|0,e.data]);else if(t==="ia5str"||t==="utf8str")return this._createEncoderBuffer(e);return this.reporter.error("Encoding of string type: "+t+" unsupported")};h.prototype._encodeObjid=function v(e,t,r){if(typeof e==="string"){if(!t)return this.reporter.error("string objid given, but no values map found");if(!t.hasOwnProperty(e))return this.reporter.error("objid not found in values map");e=t[e].split(/[\s\.]+/g);for(var i=0;i<e.length;i++)e[i]|=0}else if(Array.isArray(e)){e=e.slice();for(var i=0;i<e.length;i++)e[i]|=0}if(!Array.isArray(e)){return this.reporter.error("objid() should be either array or string, "+"got: "+JSON.stringify(e))}if(!r){if(e[1]>=40)return this.reporter.error("Second objid identifier OOB");e.splice(0,2,e[0]*40+e[1])}var a=0;for(var i=0;i<e.length;i++){var f=e[i];for(a++;f>=128;f>>=7)a++}var s=new n(a);var o=s.length-1;for(var i=e.length-1;i>=0;i--){var f=e[i];s[o--]=f&127;while((f>>=7)>0)s[o--]=128|f&127}return this._createEncoderBuffer(s)};function d(e){if(e<10)return"0"+e;else return e}h.prototype._encodeTime=function y(e,t){var r;var i=new Date(e);if(t==="gentime"){r=[d(i.getFullYear()),d(i.getUTCMonth()+1),d(i.getUTCDate()),d(i.getUTCHours()),d(i.getUTCMinutes()),d(i.getUTCSeconds()),"Z"].join("")}else if(t==="utctime"){r=[d(i.getFullYear()%100),d(i.getUTCMonth()+1),d(i.getUTCDate()),d(i.getUTCHours()),d(i.getUTCMinutes()),d(i.getUTCSeconds()),"Z"].join("")}else{this.reporter.error("Encoding "+t+" time is not supported yet")}return this._encodeStr(r,"octstr")};h.prototype._encodeNull=function g(){return this._createEncoderBuffer("")};h.prototype._encodeInt=function m(e,t){if(typeof e==="string"){if(!t)return this.reporter.error("String int or enum given, but no values map");if(!t.hasOwnProperty(e)){return this.reporter.error("Values map doesn't contain: "+JSON.stringify(e))}e=t[e]}if(typeof e!=="number"&&!n.isBuffer(e)){var r=e.toArray();if(!e.sign&&r[0]&128){r.unshift(0)}e=new n(r)}if(n.isBuffer(e)){var i=e.length;if(e.length===0)i++;var a=new n(i);e.copy(a);if(e.length===0)a[0]=0;return this._createEncoderBuffer(a)}if(e<128)return this._createEncoderBuffer(e);if(e<256)return this._createEncoderBuffer([0,e]);var i=1;for(var f=e;f>=256;f>>=8)i++;var a=new Array(i);for(var f=a.length-1;f>=0;f--){a[f]=e&255;e>>=8}if(a[0]&128){a.unshift(0)}return this._createEncoderBuffer(new n(a))};h.prototype._encodeBool=function w(e){return this._createEncoderBuffer(e?255:0)};h.prototype._use=function _(e,t){if(typeof e==="function")e=e(t);return e._getEncoder("der").tree};h.prototype._skipDefault=function S(e,t,r){var i=this._baseState;var n;if(i["default"]===null)return false;var a=e.join();if(i.defaultBuffer===undefined)i.defaultBuffer=this._encodeValue(i["default"],t,r).join();if(a.length!==i.defaultBuffer.length)return false;for(n=0;n<a.length;n++)if(a[n]!==i.defaultBuffer[n])return false;return true};function u(e,t,r,i){var n;if(e==="seqof")e="seq";else if(e==="setof")e="set";if(o.tagByName.hasOwnProperty(e))n=o.tagByName[e];else if(typeof e==="number"&&(e|0)===e)n=e;else return i.error("Unknown tag: "+e);if(n>=31)return i.error("Multi-octet tag encoding unsupported");if(!t)n|=32;n|=o.tagClassByName[r||"universal"]<<6;return n}},{"../../asn1":1,buffer:46,inherits:92}],13:[function(e,t,r){var i=r;i.der=e("./der");i.pem=e("./pem")},{"./der":12,"./pem":14}],14:[function(e,t,r){var i=e("inherits");var n=e("buffer").Buffer;var a=e("../../asn1");var f=e("./der");function s(e){f.call(this,e);this.enc="pem"}i(s,f);t.exports=s;s.prototype.encode=function o(e,t){var r=f.prototype.encode.call(this,e);var i=r.toString("base64");var n=["-----BEGIN "+t.label+"-----"];for(var a=0;a<i.length;a+=64)n.push(i.slice(a,a+64));n.push("-----END "+t.label+"-----");return n.join("\n")}},{"../../asn1":1,"./der":12,buffer:46,inherits:92}],15:[function(e,t,r){t.exports=function i(e){var t={};var r=e.length;var i=e.charAt(0);for(var n=0;n<e.length;n++){t[e.charAt(n)]=n}function a(t){if(t.length===0)return"";var i,n;var a=[0];for(i=0;i<t.length;i++){for(n=0;n<a.length;n++)a[n]<<=8;a[0]+=t[i];var f=0;for(n=0;n<a.length;++n){a[n]+=f;f=a[n]/r|0;a[n]%=r}while(f){a.push(f%r);f=f/r|0}}for(i=0;t[i]===0&&i<t.length-1;i++){a.push(0)}return a.reverse().map(function(t){return e[t]}).join("")}function f(e){if(e.length===0)return[];var n,a;var f=[0];for(n=0;n<e.length;n++){var s=e[n];if(!(s in t))throw new Error("Non-base"+r+" character");for(a=0;a<f.length;a++)f[a]*=r;f[0]+=t[s];var o=0;for(a=0;a<f.length;++a){f[a]+=o;o=f[a]>>8;f[a]&=255}while(o){f.push(o&255);o>>=8}}for(n=0;e[n]===i&&n<e.length-1;n++){f.push(0)}return f.reverse()}return{encode:a,decode:f}}},{}],16:[function(e,t,r){var i="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(e){"use strict";var t=typeof Uint8Array!=="undefined"?Uint8Array:Array;var r="+".charCodeAt(0);var n="/".charCodeAt(0);var a="0".charCodeAt(0);var f="a".charCodeAt(0);var s="A".charCodeAt(0);var o="-".charCodeAt(0);var c="_".charCodeAt(0);function h(e){var t=e.charCodeAt(0);if(t===r||t===o)return 62;if(t===n||t===c)return 63;if(t<a)return-1;if(t<a+10)return t-a+26+26;if(t<s+26)return t-s;if(t<f+26)return t-f+26}function d(e){var r,i,n,a,f,s;if(e.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var o=e.length;f="="===e.charAt(o-2)?2:"="===e.charAt(o-1)?1:0;s=new t(e.length*3/4-f);n=f>0?e.length-4:e.length;var c=0;function d(e){s[c++]=e}for(r=0,i=0;r<n;r+=4,i+=3){a=h(e.charAt(r))<<18|h(e.charAt(r+1))<<12|h(e.charAt(r+2))<<6|h(e.charAt(r+3));d((a&16711680)>>16);d((a&65280)>>8);d(a&255)}if(f===2){a=h(e.charAt(r))<<2|h(e.charAt(r+1))>>4;d(a&255)}else if(f===1){a=h(e.charAt(r))<<10|h(e.charAt(r+1))<<4|h(e.charAt(r+2))>>2;d(a>>8&255);d(a&255)}return s}function u(e){var t,r=e.length%3,n="",a,f;function s(e){return i.charAt(e)}function o(e){return s(e>>18&63)+s(e>>12&63)+s(e>>6&63)+s(e&63)}for(t=0,f=e.length-r;t<f;t+=3){a=(e[t]<<16)+(e[t+1]<<8)+e[t+2];n+=o(a)}switch(r){case 1:a=e[e.length-1];n+=s(a>>2);n+=s(a<<4&63);n+="==";break;case 2:a=(e[e.length-2]<<8)+e[e.length-1];n+=s(a>>10);n+=s(a>>4&63);n+=s(a<<2&63);n+="=";break}return n}e.toByteArray=d;e.fromByteArray=u})(typeof 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s=e[n]|e[n+1]<<8|e[n+2]<<16;this.words[f]|=s<<a&67108863;this.words[f+1]=s>>>26-a&67108863;a+=24;if(a>=26){a-=26;f++}}}return this.strip()};function a(e,t,r){var i=0;var n=Math.min(e.length,r);for(var a=t;a<n;a++){var f=e.charCodeAt(a)-48;i<<=4;if(f>=49&&f<=54)i|=f-49+10;else if(f>=17&&f<=22)i|=f-17+10;else i|=f&15}return i}n.prototype._parseHex=function I(e,t){this.length=Math.ceil((e.length-t)/6);this.words=new Array(this.length);for(var r=0;r<this.length;r++)this.words[r]=0;var i=0;for(var r=e.length-6,n=0;r>=t;r-=6){var f=a(e,r,r+6);this.words[n]|=f<<i&67108863;this.words[n+1]|=f>>>26-i&4194303;i+=24;if(i>=26){i-=26;n++}}if(r+6!==t){var f=a(e,t,r+6);this.words[n]|=f<<i&67108863;this.words[n+1]|=f>>>26-i&4194303}this.strip()};function f(e,t,r,i){var n=0;var a=Math.min(e.length,r);for(var f=t;f<a;f++){var s=e.charCodeAt(f)-48;n*=i;if(s>=49)n+=s-49+10;else if(s>=17)n+=s-17+10;else n+=s}return n}n.prototype._parseBase=function k(e,t,r){this.words=[0];this.length=1;for(var i=0,n=1;n<=67108863;n*=t)i++;i--;n=n/t|0;var a=e.length-r;var s=a%i;var o=Math.min(a,a-s)+r;var c=0;for(var h=r;h<o;h+=i){c=f(e,h,h+i,t);this.imuln(n);if(this.words[0]+c<67108864)this.words[0]+=c;else this._iaddn(c)}if(s!==0){var d=1;var c=f(e,h,e.length,t);for(var h=0;h<s;h++)d*=t;this.imuln(d);if(this.words[0]+c<67108864)this.words[0]+=c;else this._iaddn(c)}};n.prototype.copy=function x(e){e.words=new Array(this.length);for(var t=0;t<this.length;t++)e.words[t]=this.words[t];e.length=this.length;e.negative=this.negative;e.red=this.red};n.prototype.clone=function R(){var e=new n(null);this.copy(e);return e};n.prototype.strip=function T(){while(this.length>1&&this.words[this.length-1]===0)this.length--;return this._normSign()};n.prototype._normSign=function C(){if(this.length===1&&this.words[0]===0)this.negative=0;return this};n.prototype.inspect=function M(){return(this.red?"<BN-R: ":"<BN: ")+this.toString(16)+">"};var s=["","0","00","000","0000","00000","000000","0000000","00000000","000000000","0000000000","00000000000","000000000000","0000000000000","00000000000000","000000000000000","0000000000000000","00000000000000000","000000000000000000","0000000000000000000","00000000000000000000","000000000000000000000","0000000000000000000000","00000000000000000000000","000000000000000000000000","0000000000000000000000000"];var o=[0,0,25,16,12,11,10,9,8,8,7,7,7,7,6,6,6,6,6,6,6,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5];var c=[0,0,33554432,43046721,16777216,48828125,60466176,40353607,16777216,43046721,1e7,19487171,35831808,62748517,7529536,11390625,16777216,24137569,34012224,47045881,64e6,4084101,5153632,6436343,7962624,9765625,11881376,14348907,17210368,20511149,243e5,28629151,33554432,39135393,45435424,52521875,60466176];n.prototype.toString=function P(e,t){e=e||10;var t=t|0||1;if(e===16||e==="hex"){var i="";var n=0;var a=0;for(var f=0;f<this.length;f++){var h=this.words[f];var d=((h<<n|a)&16777215).toString(16);a=h>>>24-n&16777215;if(a!==0||f!==this.length-1)i=s[6-d.length]+d+i;else i=d+i;n+=2;if(n>=26){n-=26;f--}}if(a!==0)i=a.toString(16)+i;while(i.length%t!==0)i="0"+i;if(this.negative!==0)i="-"+i;return i}else if(e===(e|0)&&e>=2&&e<=36){var u=o[e];var l=c[e];var i="";var p=this.clone();p.negative=0;while(p.cmpn(0)!==0){var b=p.modn(l).toString(e);p=p.idivn(l);if(p.cmpn(0)!==0)i=s[u-b.length]+b+i;else i=b+i}if(this.cmpn(0)===0)i="0"+i;while(i.length%t!==0)i="0"+i;if(this.negative!==0)i="-"+i;return i}else{
-r(false,"Base should be between 2 and 36")}};n.prototype.toJSON=function D(){return this.toString(16)};n.prototype.toArray=function L(e,t){this.strip();var i=e==="le";var n=new Array(this.byteLength());n[0]=0;var a=this.clone();if(!i){for(var f=0;a.cmpn(0)!==0;f++){var s=a.andln(255);a.iushrn(8);n[n.length-f-1]=s}}else{for(var f=0;a.cmpn(0)!==0;f++){var s=a.andln(255);a.iushrn(8);n[f]=s}}if(t){r(n.length<=t,"byte array longer than desired length");while(n.length<t){if(i)n.push(0);else n.unshift(0)}}return n};if(Math.clz32){n.prototype._countBits=function j(e){return 32-Math.clz32(e)}}else{n.prototype._countBits=function q(e){var t=e;var r=0;if(t>=4096){r+=13;t>>>=13}if(t>=64){r+=7;t>>>=7}if(t>=8){r+=4;t>>>=4}if(t>=2){r+=2;t>>>=2}return r+t}}n.prototype._zeroBits=function N(e){if(e===0)return 26;var t=e;var r=0;if((t&8191)===0){r+=13;t>>>=13}if((t&127)===0){r+=7;t>>>=7}if((t&15)===0){r+=4;t>>>=4}if((t&3)===0){r+=2;t>>>=2}if((t&1)===0)r++;return r};n.prototype.bitLength=function O(){var e=0;var t=this.words[this.length-1];var e=this._countBits(t);return(this.length-1)*26+e};function h(e){var t=new Array(e.bitLength());for(var r=0;r<t.length;r++){var i=r/26|0;var n=r%26;t[r]=(e.words[i]&1<<n)>>>n}return t}n.prototype.zeroBits=function U(){if(this.cmpn(0)===0)return 0;var e=0;for(var t=0;t<this.length;t++){var r=this._zeroBits(this.words[t]);e+=r;if(r!==26)break}return e};n.prototype.byteLength=function z(){return Math.ceil(this.bitLength()/8)};n.prototype.neg=function K(){if(this.cmpn(0)===0)return this.clone();var e=this.clone();e.negative=this.negative^1;return e};n.prototype.ineg=function F(){this.negative^=1;return this};n.prototype.iuor=function V(e){while(this.length<e.length)this.words[this.length++]=0;for(var t=0;t<e.length;t++)this.words[t]=this.words[t]|e.words[t];return this.strip()};n.prototype.ior=function H(e){r((this.negative|e.negative)===0);return this.iuor(e)};n.prototype.or=function Y(e){if(this.length>e.length)return this.clone().ior(e);else return e.clone().ior(this)};n.prototype.uor=function X(e){if(this.length>e.length)return this.clone().iuor(e);else return e.clone().iuor(this)};n.prototype.iuand=function W(e){var t;if(this.length>e.length)t=e;else t=this;for(var r=0;r<t.length;r++)this.words[r]=this.words[r]&e.words[r];this.length=t.length;return this.strip()};n.prototype.iand=function G(e){r((this.negative|e.negative)===0);return this.iuand(e)};n.prototype.and=function J(e){if(this.length>e.length)return this.clone().iand(e);else return e.clone().iand(this)};n.prototype.uand=function Z(e){if(this.length>e.length)return this.clone().iuand(e);else return e.clone().iuand(this)};n.prototype.iuxor=function Q(e){var t;var r;if(this.length>e.length){t=this;r=e}else{t=e;r=this}for(var i=0;i<r.length;i++)this.words[i]=t.words[i]^r.words[i];if(this!==t)for(;i<t.length;i++)this.words[i]=t.words[i];this.length=t.length;return this.strip()};n.prototype.ixor=function $(e){r((this.negative|e.negative)===0);return this.iuxor(e)};n.prototype.xor=function ee(e){if(this.length>e.length)return this.clone().ixor(e);else return e.clone().ixor(this)};n.prototype.uxor=function te(e){if(this.length>e.length)return this.clone().iuxor(e);else return e.clone().iuxor(this)};n.prototype.setn=function re(e,t){r(typeof e==="number"&&e>=0);var i=e/26|0;var n=e%26;while(this.length<=i)this.words[this.length++]=0;if(t)this.words[i]=this.words[i]|1<<n;else this.words[i]=this.words[i]&~(1<<n);return this.strip()};n.prototype.iadd=function ie(e){if(this.negative!==0&&e.negative===0){this.negative=0;var t=this.isub(e);this.negative^=1;return this._normSign()}else if(this.negative===0&&e.negative!==0){e.negative=0;var t=this.isub(e);e.negative=1;return t._normSign()}var r;var i;if(this.length>e.length){r=this;i=e}else{r=e;i=this}var n=0;for(var a=0;a<i.length;a++){var t=(r.words[a]|0)+(i.words[a]|0)+n;this.words[a]=t&67108863;n=t>>>26}for(;n!==0&&a<r.length;a++){var t=(r.words[a]|0)+n;this.words[a]=t&67108863;n=t>>>26}this.length=r.length;if(n!==0){this.words[this.length]=n;this.length++}else if(r!==this){for(;a<r.length;a++)this.words[a]=r.words[a]}return this};n.prototype.add=function ne(e){if(e.negative!==0&&this.negative===0){e.negative=0;var t=this.sub(e);e.negative^=1;return t}else if(e.negative===0&&this.negative!==0){this.negative=0;var t=e.sub(this);this.negative=1;return t}if(this.length>e.length)return this.clone().iadd(e);else return e.clone().iadd(this)};n.prototype.isub=function ae(e){if(e.negative!==0){e.negative=0;var t=this.iadd(e);e.negative=1;return t._normSign()}else if(this.negative!==0){this.negative=0;this.iadd(e);this.negative=1;return this._normSign()}var r=this.cmp(e);if(r===0){this.negative=0;this.length=1;this.words[0]=0;return this}var i;var n;if(r>0){i=this;n=e}else{i=e;n=this}var a=0;for(var f=0;f<n.length;f++){var t=(i.words[f]|0)-(n.words[f]|0)+a;a=t>>26;this.words[f]=t&67108863}for(;a!==0&&f<i.length;f++){var t=(i.words[f]|0)+a;a=t>>26;this.words[f]=t&67108863}if(a===0&&f<i.length&&i!==this)for(;f<i.length;f++)this.words[f]=i.words[f];this.length=Math.max(this.length,f);if(i!==this)this.negative=1;return this.strip()};n.prototype.sub=function fe(e){return this.clone().isub(e)};function d(e,t,r){r.negative=t.negative^e.negative;var i=e.length+t.length|0;r.length=i;i=i-1|0;var n=e.words[0]|0;var a=t.words[0]|0;var f=n*a;var s=f&67108863;var o=f/67108864|0;r.words[0]=s;for(var c=1;c<i;c++){var h=o>>>26;var d=o&67108863;var u=Math.min(c,t.length-1);for(var l=Math.max(0,c-e.length+1);l<=u;l++){var p=c-l|0;var n=e.words[p]|0;var a=t.words[l]|0;var f=n*a;var s=f&67108863;h=h+(f/67108864|0)|0;s=s+d|0;d=s&67108863;h=h+(s>>>26)|0}r.words[c]=d|0;o=h|0}if(o!==0){r.words[c]=o|0}else{r.length--}return r.strip()}function u(e,t,r){r.negative=t.negative^e.negative;r.length=e.length+t.length;var i=0;var n=0;for(var a=0;a<r.length-1;a++){var f=n;n=0;var s=i&67108863;var o=Math.min(a,t.length-1);for(var c=Math.max(0,a-e.length+1);c<=o;c++){var h=a-c;var d=e.words[h]|0;var u=t.words[c]|0;var l=d*u;var p=l&67108863;f=f+(l/67108864|0)|0;p=p+s|0;s=p&67108863;f=f+(p>>>26)|0;n+=f>>>26;f&=67108863}r.words[a]=s;i=f;f=n}if(i!==0){r.words[a]=i}else{r.length--}return r.strip()}n.prototype.mulTo=function se(e,t){var r;if(this.length+e.length<63)r=d(this,e,t);else r=u(this,e,t);return r};n.prototype.mul=function oe(e){var t=new n(null);t.words=new Array(this.length+e.length);return this.mulTo(e,t)};n.prototype.imul=function ce(e){if(this.cmpn(0)===0||e.cmpn(0)===0){this.words[0]=0;this.length=1;return this}var t=this.length;var r=e.length;this.negative=e.negative^this.negative;this.length=this.length+e.length;this.words[this.length-1]=0;for(var i=this.length-2;i>=0;i--){var n=0;var a=0;var f=Math.min(i,r-1);for(var s=Math.max(0,i-t+1);s<=f;s++){var o=i-s;var c=this.words[o]|0;var h=e.words[s]|0;var d=c*h;var u=d&67108863;n+=d/67108864|0;u+=a;a=u&67108863;n+=u>>>26}this.words[i]=a;this.words[i+1]+=n;n=0}var n=0;for(var o=1;o<this.length;o++){var l=(this.words[o]|0)+n;this.words[o]=l&67108863;n=l>>>26}return this.strip()};n.prototype.imuln=function he(e){r(typeof e==="number");var t=0;for(var i=0;i<this.length;i++){var n=(this.words[i]|0)*e;var a=(n&67108863)+(t&67108863);t>>=26;t+=n/67108864|0;t+=a>>>26;this.words[i]=a&67108863}if(t!==0){this.words[i]=t;this.length++}return this};n.prototype.muln=function de(e){return this.clone().imuln(e)};n.prototype.sqr=function ue(){return this.mul(this)};n.prototype.isqr=function le(){return this.mul(this)};n.prototype.pow=function pe(e){var t=h(e);if(t.length===0)return new n(1);var r=this;for(var i=0;i<t.length;i++,r=r.sqr())if(t[i]!==0)break;if(++i<t.length){for(var a=r.sqr();i<t.length;i++,a=a.sqr()){if(t[i]===0)continue;r=r.mul(a)}}return r};n.prototype.iushln=function be(e){r(typeof e==="number"&&e>=0);var t=e%26;var i=(e-t)/26;var n=67108863>>>26-t<<26-t;if(t!==0){var a=0;for(var f=0;f<this.length;f++){var s=this.words[f]&n;var o=(this.words[f]|0)-s<<t;this.words[f]=o|a;a=s>>>26-t}if(a){this.words[f]=a;this.length++}}if(i!==0){for(var f=this.length-1;f>=0;f--)this.words[f+i]=this.words[f];for(var f=0;f<i;f++)this.words[f]=0;this.length+=i}return this.strip()};n.prototype.ishln=function ve(e){r(this.negative===0);return this.iushln(e)};n.prototype.iushrn=function ye(e,t,i){r(typeof e==="number"&&e>=0);var n;if(t)n=(t-t%26)/26;else n=0;var a=e%26;var f=Math.min((e-a)/26,this.length);var s=67108863^67108863>>>a<<a;var o=i;n-=f;n=Math.max(0,n);if(o){for(var c=0;c<f;c++)o.words[c]=this.words[c];o.length=f}if(f===0){}else if(this.length>f){this.length-=f;for(var c=0;c<this.length;c++)this.words[c]=this.words[c+f]}else{this.words[0]=0;this.length=1}var h=0;for(var c=this.length-1;c>=0&&(h!==0||c>=n);c--){var d=this.words[c]|0;this.words[c]=h<<26-a|d>>>a;h=d&s}if(o&&h!==0)o.words[o.length++]=h;if(this.length===0){this.words[0]=0;this.length=1}this.strip();return this};n.prototype.ishrn=function ge(e,t,i){r(this.negative===0);return this.iushrn(e,t,i)};n.prototype.shln=function me(e){return this.clone().ishln(e)};n.prototype.ushln=function we(e){return this.clone().iushln(e)};n.prototype.shrn=function _e(e){return this.clone().ishrn(e)};n.prototype.ushrn=function Se(e){return this.clone().iushrn(e)};n.prototype.testn=function Ee(e){r(typeof e==="number"&&e>=0);var t=e%26;var i=(e-t)/26;var n=1<<t;if(this.length<=i){return false}var a=this.words[i];return!!(a&n)};n.prototype.imaskn=function Be(e){r(typeof e==="number"&&e>=0);var t=e%26;var i=(e-t)/26;r(this.negative===0,"imaskn works only with positive numbers");if(t!==0)i++;this.length=Math.min(i,this.length);if(t!==0){var n=67108863^67108863>>>t<<t;this.words[this.length-1]&=n}return this.strip()};n.prototype.maskn=function Ae(e){return this.clone().imaskn(e)};n.prototype.iaddn=function Ie(e){r(typeof e==="number");if(e<0)return this.isubn(-e);if(this.negative!==0){if(this.length===1&&(this.words[0]|0)<e){this.words[0]=e-(this.words[0]|0);this.negative=0;return this}this.negative=0;this.isubn(e);this.negative=1;return this}return this._iaddn(e)};n.prototype._iaddn=function ke(e){this.words[0]+=e;for(var t=0;t<this.length&&this.words[t]>=67108864;t++){this.words[t]-=67108864;if(t===this.length-1)this.words[t+1]=1;else this.words[t+1]++}this.length=Math.max(this.length,t+1);return this};n.prototype.isubn=function xe(e){r(typeof e==="number");if(e<0)return this.iaddn(-e);if(this.negative!==0){this.negative=0;this.iaddn(e);this.negative=1;return this}this.words[0]-=e;for(var t=0;t<this.length&&this.words[t]<0;t++){this.words[t]+=67108864;this.words[t+1]-=1}return this.strip()};n.prototype.addn=function Re(e){return this.clone().iaddn(e)};n.prototype.subn=function Te(e){return this.clone().isubn(e)};n.prototype.iabs=function Ce(){this.negative=0;return this};n.prototype.abs=function Me(){return this.clone().iabs()};n.prototype._ishlnsubmul=function Pe(e,t,i){var n=e.length+i;var a;if(this.words.length<n){var f=new Array(n);for(var a=0;a<this.length;a++)f[a]=this.words[a];this.words=f}else{a=this.length}this.length=Math.max(this.length,n);for(;a<this.length;a++)this.words[a]=0;var s=0;for(var a=0;a<e.length;a++){var o=(this.words[a+i]|0)+s;var c=(e.words[a]|0)*t;o-=c&67108863;s=(o>>26)-(c/67108864|0);this.words[a+i]=o&67108863}for(;a<this.length-i;a++){var o=(this.words[a+i]|0)+s;s=o>>26;this.words[a+i]=o&67108863}if(s===0)return this.strip();r(s===-1);s=0;for(var a=0;a<this.length;a++){var o=-(this.words[a]|0)+s;s=o>>26;this.words[a]=o&67108863}this.negative=1;return this.strip()};n.prototype._wordDiv=function De(e,t){var r=this.length-e.length;var i=this.clone();var a=e;var f=a.words[a.length-1]|0;var s=this._countBits(f);r=26-s;if(r!==0){a=a.ushln(r);i.iushln(r);f=a.words[a.length-1]|0}var o=i.length-a.length;var c;if(t!=="mod"){c=new n(null);c.length=o+1;c.words=new Array(c.length);for(var h=0;h<c.length;h++)c.words[h]=0}var d=i.clone()._ishlnsubmul(a,1,o);if(d.negative===0){i=d;if(c)c.words[o]=1}for(var u=o-1;u>=0;u--){var l=(i.words[a.length+u]|0)*67108864+(i.words[a.length+u-1]|0);l=Math.min(l/f|0,67108863);i._ishlnsubmul(a,l,u);while(i.negative!==0){l--;i.negative=0;i._ishlnsubmul(a,1,u);if(i.cmpn(0)!==0)i.negative^=1}if(c)c.words[u]=l}if(c)c.strip();i.strip();if(t!=="div"&&r!==0)i.iushrn(r);return{div:c?c:null,mod:i}};n.prototype.divmod=function Le(e,t,i){r(e.cmpn(0)!==0);if(this.negative!==0&&e.negative===0){var a=this.neg().divmod(e,t);var f;var s;if(t!=="mod")f=a.div.neg();if(t!=="div"){s=a.mod.neg();if(i&&s.neg)s=s.add(e)}return{div:f,mod:s}}else if(this.negative===0&&e.negative!==0){var a=this.divmod(e.neg(),t);var f;if(t!=="mod")f=a.div.neg();return{div:f,mod:a.mod}}else if((this.negative&e.negative)!==0){var a=this.neg().divmod(e.neg(),t);var s;if(t!=="div"){s=a.mod.neg();if(i&&s.neg)s=s.isub(e)}return{div:a.div,mod:s}}if(e.length>this.length||this.cmp(e)<0)return{div:new n(0),mod:this};if(e.length===1){if(t==="div")return{div:this.divn(e.words[0]),mod:null};else if(t==="mod")return{div:null,mod:new n(this.modn(e.words[0]))};return{div:this.divn(e.words[0]),mod:new n(this.modn(e.words[0]))}}return this._wordDiv(e,t)};n.prototype.div=function je(e){return this.divmod(e,"div",false).div};n.prototype.mod=function qe(e){return this.divmod(e,"mod",false).mod};n.prototype.umod=function Ne(e){return this.divmod(e,"mod",true).mod};n.prototype.divRound=function Oe(e){var t=this.divmod(e);if(t.mod.cmpn(0)===0)return t.div;var r=t.div.negative!==0?t.mod.isub(e):t.mod;var i=e.ushrn(1);var n=e.andln(1);var a=r.cmp(i);if(a<0||n===1&&a===0)return t.div;return t.div.negative!==0?t.div.isubn(1):t.div.iaddn(1)};n.prototype.modn=function Ue(e){r(e<=67108863);var t=(1<<26)%e;var i=0;for(var n=this.length-1;n>=0;n--)i=(t*i+(this.words[n]|0))%e;return i};n.prototype.idivn=function ze(e){r(e<=67108863);var t=0;for(var i=this.length-1;i>=0;i--){var n=(this.words[i]|0)+t*67108864;this.words[i]=n/e|0;t=n%e}return this.strip()};n.prototype.divn=function Ke(e){return this.clone().idivn(e)};n.prototype.egcd=function Fe(e){r(e.negative===0);r(e.cmpn(0)!==0);var t=this;var i=e.clone();if(t.negative!==0)t=t.umod(e);else t=t.clone();var a=new n(1);var f=new n(0);var s=new n(0);var o=new n(1);var c=0;while(t.isEven()&&i.isEven()){t.iushrn(1);i.iushrn(1);++c}var h=i.clone();var d=t.clone();while(t.cmpn(0)!==0){while(t.isEven()){t.iushrn(1);if(a.isEven()&&f.isEven()){a.iushrn(1);f.iushrn(1)}else{a.iadd(h).iushrn(1);f.isub(d).iushrn(1)}}while(i.isEven()){i.iushrn(1);if(s.isEven()&&o.isEven()){s.iushrn(1);o.iushrn(1)}else{s.iadd(h).iushrn(1);o.isub(d).iushrn(1)}}if(t.cmp(i)>=0){t.isub(i);a.isub(s);f.isub(o)}else{i.isub(t);s.isub(a);o.isub(f)}}return{a:s,b:o,gcd:i.iushln(c)}};n.prototype._invmp=function Ve(e){r(e.negative===0);r(e.cmpn(0)!==0);var t=this;var i=e.clone();if(t.negative!==0)t=t.umod(e);else t=t.clone();var a=new n(1);var f=new n(0);var s=i.clone();while(t.cmpn(1)>0&&i.cmpn(1)>0){while(t.isEven()){t.iushrn(1);if(a.isEven())a.iushrn(1);else a.iadd(s).iushrn(1)}while(i.isEven()){i.iushrn(1);if(f.isEven())f.iushrn(1);else f.iadd(s).iushrn(1)}if(t.cmp(i)>=0){t.isub(i);a.isub(f)}else{i.isub(t);f.isub(a)}}var o;if(t.cmpn(1)===0)o=a;else o=f;if(o.cmpn(0)<0)o.iadd(e);return o};n.prototype.gcd=function He(e){if(this.cmpn(0)===0)return e.clone();if(e.cmpn(0)===0)return this.clone();var t=this.clone();var r=e.clone();t.negative=0;r.negative=0;for(var i=0;t.isEven()&&r.isEven();i++){t.iushrn(1);r.iushrn(1)}do{while(t.isEven())t.iushrn(1);while(r.isEven())r.iushrn(1);var n=t.cmp(r);if(n<0){var a=t;t=r;r=a}else if(n===0||r.cmpn(1)===0){break}t.isub(r)}while(true);return r.iushln(i)};n.prototype.invm=function Ye(e){return this.egcd(e).a.umod(e)};n.prototype.isEven=function Xe(){return(this.words[0]&1)===0};n.prototype.isOdd=function We(){return(this.words[0]&1)===1};n.prototype.andln=function Ge(e){return this.words[0]&e};n.prototype.bincn=function Je(e){r(typeof e==="number");var t=e%26;var i=(e-t)/26;var n=1<<t;if(this.length<=i){for(var a=this.length;a<i+1;a++)this.words[a]=0;this.words[i]|=n;this.length=i+1;return this}var f=n;for(var a=i;f!==0&&a<this.length;a++){var s=this.words[a]|0;s+=f;f=s>>>26;s&=67108863;this.words[a]=s}if(f!==0){this.words[a]=f;this.length++}return this};n.prototype.cmpn=function Ze(e){var t=e<0;if(t)e=-e;if(this.negative!==0&&!t)return-1;else if(this.negative===0&&t)return 1;e&=67108863;this.strip();var r;if(this.length>1){r=1}else{var i=this.words[0]|0;r=i===e?0:i<e?-1:1}if(this.negative!==0)r=-r;return r};n.prototype.cmp=function Qe(e){if(this.negative!==0&&e.negative===0)return-1;else if(this.negative===0&&e.negative!==0)return 1;var t=this.ucmp(e);if(this.negative!==0)return-t;else return t};n.prototype.ucmp=function $e(e){if(this.length>e.length)return 1;else if(this.length<e.length)return-1;var t=0;for(var r=this.length-1;r>=0;r--){var i=this.words[r]|0;var n=e.words[r]|0;if(i===n)continue;if(i<n)t=-1;else if(i>n)t=1;break}return t};n.red=function et(e){return new m(e)};n.prototype.toRed=function tt(e){r(!this.red,"Already a number in reduction context");r(this.negative===0,"red works only with positives");return e.convertTo(this)._forceRed(e)};n.prototype.fromRed=function rt(){r(this.red,"fromRed works only with numbers in reduction context");return this.red.convertFrom(this)};n.prototype._forceRed=function it(e){this.red=e;return this};n.prototype.forceRed=function nt(e){r(!this.red,"Already a number in reduction context");return this._forceRed(e)};n.prototype.redAdd=function at(e){r(this.red,"redAdd works only with red numbers");return this.red.add(this,e)};n.prototype.redIAdd=function ft(e){r(this.red,"redIAdd works only with red numbers");return this.red.iadd(this,e)};n.prototype.redSub=function st(e){r(this.red,"redSub works only with red numbers");return this.red.sub(this,e)};n.prototype.redISub=function ot(e){r(this.red,"redISub works only with red numbers");return this.red.isub(this,e)};n.prototype.redShl=function ct(e){r(this.red,"redShl works only with red numbers");return this.red.ushl(this,e)};n.prototype.redMul=function ht(e){r(this.red,"redMul works only with red numbers");this.red._verify2(this,e);return this.red.mul(this,e)};n.prototype.redIMul=function dt(e){r(this.red,"redMul works only with red numbers");this.red._verify2(this,e);return this.red.imul(this,e)};n.prototype.redSqr=function ut(){r(this.red,"redSqr works only with red numbers");this.red._verify1(this);return this.red.sqr(this)};n.prototype.redISqr=function lt(){r(this.red,"redISqr works only with red numbers");this.red._verify1(this);return this.red.isqr(this)};n.prototype.redSqrt=function pt(){r(this.red,"redSqrt works only with red numbers");this.red._verify1(this);return this.red.sqrt(this)};n.prototype.redInvm=function bt(){r(this.red,"redInvm works only with red numbers");this.red._verify1(this);return this.red.invm(this)};n.prototype.redNeg=function vt(){r(this.red,"redNeg works only with red numbers");this.red._verify1(this);return this.red.neg(this)};n.prototype.redPow=function yt(e){r(this.red&&!e.red,"redPow(normalNum)");this.red._verify1(this);return this.red.pow(this,e)};var l={k256:null,p224:null,p192:null,p25519:null};function p(e,t){this.name=e;this.p=new n(t,16);this.n=this.p.bitLength();this.k=new n(1).iushln(this.n).isub(this.p);this.tmp=this._tmp()}p.prototype._tmp=function gt(){var e=new n(null);e.words=new Array(Math.ceil(this.n/13));return e};p.prototype.ireduce=function mt(e){var t=e;var r;do{this.split(t,this.tmp);t=this.imulK(t);t=t.iadd(this.tmp);r=t.bitLength()}while(r>this.n);var i=r<this.n?-1:t.ucmp(this.p);if(i===0){t.words[0]=0;t.length=1}else if(i>0){t.isub(this.p)}else{t.strip()}return t};p.prototype.split=function wt(e,t){e.iushrn(this.n,0,t)};p.prototype.imulK=function _t(e){return e.imul(this.k)};function b(){p.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}i(b,p);b.prototype.split=function St(e,t){var r=4194303;var i=Math.min(e.length,9);for(var n=0;n<i;n++)t.words[n]=e.words[n];t.length=i;if(e.length<=9){e.words[0]=0;e.length=1;return}var a=e.words[9];t.words[t.length++]=a&r;for(var n=10;n<e.length;n++){var f=e.words[n]|0;e.words[n-10]=(f&r)<<4|a>>>22;a=f}e.words[n-10]=a>>>22;e.length-=9};b.prototype.imulK=function Et(e){e.words[e.length]=0;e.words[e.length+1]=0;e.length+=2;var t;var r=0;for(var i=0;i<e.length;i++){var n=e.words[i]|0;t=n*64;r+=n*977;t+=r/67108864|0;r&=67108863;e.words[i]=r;r=t}if(e.words[e.length-1]===0){e.length--;if(e.words[e.length-1]===0)e.length--}return e};function v(){p.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}i(v,p);function y(){p.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}i(y,p);function g(){p.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}i(g,p);g.prototype.imulK=function Bt(e){var t=0;for(var r=0;r<e.length;r++){var i=(e.words[r]|0)*19+t;var n=i&67108863;i>>>=26;e.words[r]=n;t=i}if(t!==0)e.words[e.length++]=t;return e};n._prime=function At(e){if(l[e])return l[e];var At;if(e==="k256")At=new b;else if(e==="p224")At=new v;else if(e==="p192")At=new y;else if(e==="p25519")At=new g;else throw new Error("Unknown prime "+e);l[e]=At;return At};function m(e){if(typeof e==="string"){var t=n._prime(e);this.m=t.p;this.prime=t}else{this.m=e;this.prime=null}}m.prototype._verify1=function It(e){r(e.negative===0,"red works only with positives");r(e.red,"red works only with red numbers")};m.prototype._verify2=function kt(e,t){r((e.negative|t.negative)===0,"red works only with positives");r(e.red&&e.red===t.red,"red works only with red numbers")};m.prototype.imod=function xt(e){if(this.prime)return this.prime.ireduce(e)._forceRed(this);return e.umod(this.m)._forceRed(this)};m.prototype.neg=function Rt(e){var t=e.clone();t.negative^=1;return t.iadd(this.m)._forceRed(this)};m.prototype.add=function Tt(e,t){this._verify2(e,t);var r=e.add(t);if(r.cmp(this.m)>=0)r.isub(this.m);return r._forceRed(this)};m.prototype.iadd=function Ct(e,t){this._verify2(e,t);var r=e.iadd(t);if(r.cmp(this.m)>=0)r.isub(this.m);return r};m.prototype.sub=function Mt(e,t){this._verify2(e,t);var r=e.sub(t);if(r.cmpn(0)<0)r.iadd(this.m);return r._forceRed(this)};m.prototype.isub=function Pt(e,t){this._verify2(e,t);var r=e.isub(t);if(r.cmpn(0)<0)r.iadd(this.m);return r};m.prototype.shl=function Dt(e,t){this._verify1(e);return this.imod(e.ushln(t))};m.prototype.imul=function Lt(e,t){this._verify2(e,t);return this.imod(e.imul(t))};m.prototype.mul=function jt(e,t){this._verify2(e,t);return this.imod(e.mul(t))};m.prototype.isqr=function qt(e){return this.imul(e,e)};m.prototype.sqr=function Nt(e){return this.mul(e,e)};m.prototype.sqrt=function Ot(e){if(e.cmpn(0)===0)return e.clone();var t=this.m.andln(3);r(t%2===1);if(t===3){var i=this.m.add(new n(1)).iushrn(2);var a=this.pow(e,i);return a}var f=this.m.subn(1);var s=0;while(f.cmpn(0)!==0&&f.andln(1)===0){s++;f.iushrn(1)}r(f.cmpn(0)!==0);var o=new n(1).toRed(this);var c=o.redNeg();var h=this.m.subn(1).iushrn(1);var d=this.m.bitLength();d=new n(2*d*d).toRed(this);while(this.pow(d,h).cmp(c)!==0)d.redIAdd(c);var u=this.pow(d,f);var a=this.pow(e,f.addn(1).iushrn(1));var l=this.pow(e,f);var p=s;while(l.cmp(o)!==0){var b=l;for(var v=0;b.cmp(o)!==0;v++)b=b.redSqr();r(v<p);var y=this.pow(u,new n(1).iushln(p-v-1));a=a.redMul(y);u=y.redSqr();l=l.redMul(u);p=v}return a};m.prototype.invm=function Ut(e){var t=e._invmp(this.m);if(t.negative!==0){t.negative=0;return this.imod(t).redNeg()}else{return this.imod(t)}};m.prototype.pow=function zt(e,t){if(t.cmpn(0)===0)return new n(1);if(t.cmpn(1)===0)return e.clone();var r=4;var i=new Array(1<<r);i[0]=new n(1).toRed(this);i[1]=e;for(var a=2;a<i.length;a++)i[a]=this.mul(i[a-1],e);var f=i[0];var s=0;var o=0;var c=t.bitLength()%26;if(c===0)c=26;for(var a=t.length-1;a>=0;a--){var h=t.words[a];for(var d=c-1;d>=0;d--){var u=h>>d&1;if(f!==i[0])f=this.sqr(f);if(u===0&&s===0){o=0;continue}s<<=1;s|=u;o++;if(o!==r&&(a!==0||d!==0))continue;f=this.mul(f,i[s]);o=0;s=0}c=26}return f};m.prototype.convertTo=function Kt(e){var t=e.umod(this.m);if(t===e)return t.clone();else return t};m.prototype.convertFrom=function Ft(e){var t=e.clone();t.red=null;return t};n.mont=function Vt(e){return new w(e)};function w(e){m.call(this,e);this.shift=this.m.bitLength();if(this.shift%26!==0)this.shift+=26-this.shift%26;this.r=new n(1).iushln(this.shift);this.r2=this.imod(this.r.sqr());this.rinv=this.r._invmp(this.m);this.minv=this.rinv.mul(this.r).isubn(1).div(this.m);this.minv=this.minv.umod(this.r);this.minv=this.r.sub(this.minv)}i(w,m);w.prototype.convertTo=function Ht(e){return this.imod(e.ushln(this.shift))};w.prototype.convertFrom=function Yt(e){var t=this.imod(e.mul(this.rinv));t.red=null;return t};w.prototype.imul=function Xt(e,t){if(e.cmpn(0)===0||t.cmpn(0)===0){e.words[0]=0;e.length=1;return e}var r=e.imul(t);var i=r.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);var n=r.isub(i).iushrn(this.shift);var a=n;if(n.cmp(this.m)>=0)a=n.isub(this.m);else if(n.cmpn(0)<0)a=n.iadd(this.m);return a._forceRed(this)};w.prototype.mul=function Wt(e,t){if(e.cmpn(0)===0||t.cmpn(0)===0)return new n(0)._forceRed(this);var r=e.mul(t);var i=r.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);var a=r.isub(i).iushrn(this.shift);var f=a;if(a.cmp(this.m)>=0)f=a.isub(this.m);else if(a.cmpn(0)<0)f=a.iadd(this.m);return f._forceRed(this)};w.prototype.invm=function Gt(e){var t=this.imod(e._invmp(this.m).mul(this.r2));return t._forceRed(this)}})(typeof t==="undefined"||t,this)},{}],18:[function(e,t,r){var i;t.exports=function s(e){if(!i)i=new n(null);return i.generate(e)};function n(e){this.rand=e}t.exports.Rand=n;n.prototype.generate=function o(e){return this._rand(e)};if(typeof window==="object"){if(window.crypto&&window.crypto.getRandomValues){n.prototype._rand=function c(e){var t=new Uint8Array(e);window.crypto.getRandomValues(t);return t}}else if(window.msCrypto&&window.msCrypto.getRandomValues){n.prototype._rand=function h(e){var t=new Uint8Array(e);window.msCrypto.getRandomValues(t);return t}}else{n.prototype._rand=function(){throw new Error("Not implemented yet")}}}else{try{var a=e("cry"+"pto");n.prototype._rand=function d(e){return a.randomBytes(e)}}catch(f){n.prototype._rand=function u(e){var t=new Uint8Array(e);for(var r=0;r<t.length;r++)t[r]=this.rand.getByte();return t}}}},{}],19:[function(e,t,r){},{}],20:[function(e,t,r){(function(e){var t=Math.pow(2,32);function i(e){var r,i;r=e>t||e<0?(i=Math.abs(e)%t,e<0?t-i:i):e;return r}function n(e){for(var t=0;t<e.length;e++){e[t]=0}return false}function a(){this.SBOX=[];this.INV_SBOX=[];this.SUB_MIX=[[],[],[],[]];this.INV_SUB_MIX=[[],[],[],[]];this.init();this.RCON=[0,1,2,4,8,16,32,64,128,27,54]}a.prototype.init=function(){var e,t,r,i,n,a,f,s,o,c;e=function(){var e,r;r=[];for(t=e=0;e<256;t=++e){if(t<128){r.push(t<<1)}else{r.push(t<<1^283)}}return r}();n=0;o=0;for(t=c=0;c<256;t=++c){r=o^o<<1^o<<2^o<<3^o<<4;r=r>>>8^r&255^99;this.SBOX[n]=r;this.INV_SBOX[r]=n;a=e[n];f=e[a];s=e[f];i=e[r]*257^r*16843008;this.SUB_MIX[0][n]=i<<24|i>>>8;this.SUB_MIX[1][n]=i<<16|i>>>16;this.SUB_MIX[2][n]=i<<8|i>>>24;this.SUB_MIX[3][n]=i;i=s*16843009^f*65537^a*257^n*16843008;this.INV_SUB_MIX[0][r]=i<<24|i>>>8;this.INV_SUB_MIX[1][r]=i<<16|i>>>16;this.INV_SUB_MIX[2][r]=i<<8|i>>>24;this.INV_SUB_MIX[3][r]=i;if(n===0){n=o=1}else{n=a^e[e[e[s^a]]];o^=e[e[o]]}}return true};var f=new a;o.blockSize=4*4;o.prototype.blockSize=o.blockSize;o.keySize=256/8;o.prototype.keySize=o.keySize;function s(e){var t=e.length/4;var r=new Array(t);var i=-1;while(++i<t){r[i]=e.readUInt32BE(i*4)}return r}function o(e){this._key=s(e);this._doReset()}o.prototype._doReset=function(){var e,t,r,i,n,a;r=this._key;t=r.length;this._nRounds=t+6;n=(this._nRounds+1)*4;this._keySchedule=[];for(i=0;i<n;i++){this._keySchedule[i]=i<t?r[i]:(a=this._keySchedule[i-1],i%t===0?(a=a<<8|a>>>24,a=f.SBOX[a>>>24]<<24|f.SBOX[a>>>16&255]<<16|f.SBOX[a>>>8&255]<<8|f.SBOX[a&255],a^=f.RCON[i/t|0]<<24):t>6&&i%t===4?a=f.SBOX[a>>>24]<<24|f.SBOX[a>>>16&255]<<16|f.SBOX[a>>>8&255]<<8|f.SBOX[a&255]:void 0,this._keySchedule[i-t]^a)}this._invKeySchedule=[];for(e=0;e<n;e++){i=n-e;a=this._keySchedule[i-(e%4?0:4)];this._invKeySchedule[e]=e<4||i<=4?a:f.INV_SUB_MIX[0][f.SBOX[a>>>24]]^f.INV_SUB_MIX[1][f.SBOX[a>>>16&255]]^f.INV_SUB_MIX[2][f.SBOX[a>>>8&255]]^f.INV_SUB_MIX[3][f.SBOX[a&255]]}return true};o.prototype.encryptBlock=function(t){t=s(new e(t));var r=this._doCryptBlock(t,this._keySchedule,f.SUB_MIX,f.SBOX);var i=new e(16);i.writeUInt32BE(r[0],0);i.writeUInt32BE(r[1],4);i.writeUInt32BE(r[2],8);i.writeUInt32BE(r[3],12);return i};o.prototype.decryptBlock=function(t){t=s(new e(t));var r=[t[3],t[1]];t[1]=r[0];t[3]=r[1];var i=this._doCryptBlock(t,this._invKeySchedule,f.INV_SUB_MIX,f.INV_SBOX);var n=new e(16);n.writeUInt32BE(i[0],0);n.writeUInt32BE(i[3],4);n.writeUInt32BE(i[2],8);n.writeUInt32BE(i[1],12);return n};o.prototype.scrub=function(){n(this._keySchedule);n(this._invKeySchedule);n(this._key)};o.prototype._doCryptBlock=function(e,t,r,n){var a,f,s,o,c,h,d,u,l;f=e[0]^t[0];s=e[1]^t[1];o=e[2]^t[2];c=e[3]^t[3];a=4;for(var p=1;p<this._nRounds;p++){h=r[0][f>>>24]^r[1][s>>>16&255]^r[2][o>>>8&255]^r[3][c&255]^t[a++];d=r[0][s>>>24]^r[1][o>>>16&255]^r[2][c>>>8&255]^r[3][f&255]^t[a++];u=r[0][o>>>24]^r[1][c>>>16&255]^r[2][f>>>8&255]^r[3][s&255]^t[a++];l=r[0][c>>>24]^r[1][f>>>16&255]^r[2][s>>>8&255]^r[3][o&255]^t[a++];f=h;s=d;o=u;c=l}h=(n[f>>>24]<<24|n[s>>>16&255]<<16|n[o>>>8&255]<<8|n[c&255])^t[a++];d=(n[s>>>24]<<24|n[o>>>16&255]<<16|n[c>>>8&255]<<8|n[f&255])^t[a++];u=(n[o>>>24]<<24|n[c>>>16&255]<<16|n[f>>>8&255]<<8|n[s&255])^t[a++];l=(n[c>>>24]<<24|n[f>>>16&255]<<16|n[s>>>8&255]<<8|n[o&255])^t[a++];return[i(h),i(d),i(u),i(l)]};r.AES=o}).call(this,e("buffer").Buffer)},{buffer:46}],21:[function(e,t,r){(function(r){var i=e("./aes");var n=e("cipher-base");var a=e("inherits");var f=e("./ghash");var s=e("buffer-xor");a(o,n);t.exports=o;function o(e,t,a,s){if(!(this instanceof o)){return new o(e,t,a)}n.call(this);this._finID=r.concat([a,new r([0,0,0,1])]);a=r.concat([a,new r([0,0,0,2])]);this._cipher=new i.AES(t);this._prev=new r(a.length);this._cache=new r("");this._secCache=new r("");this._decrypt=s;this._alen=0;this._len=0;a.copy(this._prev);this._mode=e;var c=new r(4);c.fill(0);this._ghash=new f(this._cipher.encryptBlock(c));this._authTag=null;this._called=false}o.prototype._update=function(e){if(!this._called&&this._alen){var t=16-this._alen%16;if(t<16){t=new r(t);t.fill(0);this._ghash.update(t)}}this._called=true;var i=this._mode.encrypt(this,e);if(this._decrypt){this._ghash.update(e)}else{this._ghash.update(i)}this._len+=e.length;return i};o.prototype._final=function(){if(this._decrypt&&!this._authTag){throw new Error("Unsupported state or unable to authenticate data")}var e=s(this._ghash.final(this._alen*8,this._len*8),this._cipher.encryptBlock(this._finID));if(this._decrypt){if(c(e,this._authTag)){throw new Error("Unsupported state or unable to authenticate data")}}else{this._authTag=e}this._cipher.scrub()};o.prototype.getAuthTag=function h(){if(!this._decrypt&&r.isBuffer(this._authTag)){return this._authTag}else{throw new Error("Attempting to get auth tag in unsupported state")}};o.prototype.setAuthTag=function d(e){if(this._decrypt){this._authTag=e}else{throw new Error("Attempting to set auth tag in unsupported state")}};o.prototype.setAAD=function u(e){if(!this._called){this._ghash.update(e);this._alen+=e.length}else{throw new Error("Attempting to set AAD in unsupported state")}};function c(e,t){var r=0;if(e.length!==t.length){r++}var i=Math.min(e.length,t.length);var n=-1;while(++n<i){r+=e[n]^t[n]}return r}}).call(this,e("buffer").Buffer)},{"./aes":20,"./ghash":25,buffer:46,"buffer-xor":45,"cipher-base":47,inherits:92}],22:[function(e,t,r){var i=e("./encrypter");r.createCipher=r.Cipher=i.createCipher;r.createCipheriv=r.Cipheriv=i.createCipheriv;var n=e("./decrypter");r.createDecipher=r.Decipher=n.createDecipher;r.createDecipheriv=r.Decipheriv=n.createDecipheriv;var a=e("./modes");function f(){return Object.keys(a)}r.listCiphers=r.getCiphers=f},{"./decrypter":23,
-"./encrypter":24,"./modes":26}],23:[function(e,t,r){(function(t){var i=e("./aes");var n=e("cipher-base");var a=e("inherits");var f=e("./modes");var s=e("./streamCipher");var o=e("./authCipher");var c=e("evp_bytestokey");a(h,n);function h(e,r,a){if(!(this instanceof h)){return new h(e,r,a)}n.call(this);this._cache=new d;this._last=void 0;this._cipher=new i.AES(r);this._prev=new t(a.length);a.copy(this._prev);this._mode=e;this._autopadding=true}h.prototype._update=function(e){this._cache.add(e);var r;var i;var n=[];while(r=this._cache.get(this._autopadding)){i=this._mode.decrypt(this,r);n.push(i)}return t.concat(n)};h.prototype._final=function(){var e=this._cache.flush();if(this._autopadding){return u(this._mode.decrypt(this,e))}else if(e){throw new Error("data not multiple of block length")}};h.prototype.setAutoPadding=function(e){this._autopadding=!!e};function d(){if(!(this instanceof d)){return new d}this.cache=new t("")}d.prototype.add=function(e){this.cache=t.concat([this.cache,e])};d.prototype.get=function(e){var t;if(e){if(this.cache.length>16){t=this.cache.slice(0,16);this.cache=this.cache.slice(16);return t}}else{if(this.cache.length>=16){t=this.cache.slice(0,16);this.cache=this.cache.slice(16);return t}}return null};d.prototype.flush=function(){if(this.cache.length){return this.cache}};function u(e){var t=e[15];var r=-1;while(++r<t){if(e[r+(16-t)]!==t){throw new Error("unable to decrypt data")}}if(t===16){return}return e.slice(0,16-t)}var l={ECB:e("./modes/ecb"),CBC:e("./modes/cbc"),CFB:e("./modes/cfb"),CFB8:e("./modes/cfb8"),CFB1:e("./modes/cfb1"),OFB:e("./modes/ofb"),CTR:e("./modes/ctr"),GCM:e("./modes/ctr")};function p(e,r,i){var n=f[e.toLowerCase()];if(!n){throw new TypeError("invalid suite type")}if(typeof i==="string"){i=new t(i)}if(typeof r==="string"){r=new t(r)}if(r.length!==n.key/8){throw new TypeError("invalid key length "+r.length)}if(i.length!==n.iv){throw new TypeError("invalid iv length "+i.length)}if(n.type==="stream"){return new s(l[n.mode],r,i,true)}else if(n.type==="auth"){return new o(l[n.mode],r,i,true)}return new h(l[n.mode],r,i)}function b(e,t){var r=f[e.toLowerCase()];if(!r){throw new TypeError("invalid suite type")}var i=c(t,false,r.key,r.iv);return p(e,i.key,i.iv)}r.createDecipher=b;r.createDecipheriv=p}).call(this,e("buffer").Buffer)},{"./aes":20,"./authCipher":21,"./modes":26,"./modes/cbc":27,"./modes/cfb":28,"./modes/cfb1":29,"./modes/cfb8":30,"./modes/ctr":31,"./modes/ecb":32,"./modes/ofb":33,"./streamCipher":34,buffer:46,"cipher-base":47,evp_bytestokey:83,inherits:92}],24:[function(e,t,r){(function(t){var i=e("./aes");var n=e("cipher-base");var a=e("inherits");var f=e("./modes");var s=e("evp_bytestokey");var o=e("./streamCipher");var c=e("./authCipher");a(h,n);function h(e,r,a){if(!(this instanceof h)){return new h(e,r,a)}n.call(this);this._cache=new d;this._cipher=new i.AES(r);this._prev=new t(a.length);a.copy(this._prev);this._mode=e;this._autopadding=true}h.prototype._update=function(e){this._cache.add(e);var r;var i;var n=[];while(r=this._cache.get()){i=this._mode.encrypt(this,r);n.push(i)}return t.concat(n)};h.prototype._final=function(){var e=this._cache.flush();if(this._autopadding){e=this._mode.encrypt(this,e);this._cipher.scrub();return e}else if(e.toString("hex")!=="10101010101010101010101010101010"){this._cipher.scrub();throw new Error("data not multiple of block length")}};h.prototype.setAutoPadding=function(e){this._autopadding=!!e};function d(){if(!(this instanceof d)){return new d}this.cache=new t("")}d.prototype.add=function(e){this.cache=t.concat([this.cache,e])};d.prototype.get=function(){if(this.cache.length>15){var e=this.cache.slice(0,16);this.cache=this.cache.slice(16);return e}return null};d.prototype.flush=function(){var e=16-this.cache.length;var r=new t(e);var i=-1;while(++i<e){r.writeUInt8(e,i)}var n=t.concat([this.cache,r]);return n};var u={ECB:e("./modes/ecb"),CBC:e("./modes/cbc"),CFB:e("./modes/cfb"),CFB8:e("./modes/cfb8"),CFB1:e("./modes/cfb1"),OFB:e("./modes/ofb"),CTR:e("./modes/ctr"),GCM:e("./modes/ctr")};function l(e,r,i){var n=f[e.toLowerCase()];if(!n){throw new TypeError("invalid suite type")}if(typeof i==="string"){i=new t(i)}if(typeof r==="string"){r=new t(r)}if(r.length!==n.key/8){throw new TypeError("invalid key length "+r.length)}if(i.length!==n.iv){throw new TypeError("invalid iv length "+i.length)}if(n.type==="stream"){return new o(u[n.mode],r,i)}else if(n.type==="auth"){return new c(u[n.mode],r,i)}return new h(u[n.mode],r,i)}function p(e,t){var r=f[e.toLowerCase()];if(!r){throw new TypeError("invalid suite type")}var i=s(t,false,r.key,r.iv);return l(e,i.key,i.iv)}r.createCipheriv=l;r.createCipher=p}).call(this,e("buffer").Buffer)},{"./aes":20,"./authCipher":21,"./modes":26,"./modes/cbc":27,"./modes/cfb":28,"./modes/cfb1":29,"./modes/cfb8":30,"./modes/ctr":31,"./modes/ecb":32,"./modes/ofb":33,"./streamCipher":34,buffer:46,"cipher-base":47,evp_bytestokey:83,inherits:92}],25:[function(e,t,r){(function(e){var r=new e(16);r.fill(0);t.exports=i;function i(t){this.h=t;this.state=new e(16);this.state.fill(0);this.cache=new e("")}i.prototype.ghash=function(e){var t=-1;while(++t<e.length){this.state[t]^=e[t]}this._multiply()};i.prototype._multiply=function(){var e=n(this.h);var t=[0,0,0,0];var r,i,f;var s=-1;while(++s<128){i=(this.state[~~(s/8)]&1<<7-s%8)!==0;if(i){t=o(t,e)}f=(e[3]&1)!==0;for(r=3;r>0;r--){e[r]=e[r]>>>1|(e[r-1]&1)<<31}e[0]=e[0]>>>1;if(f){e[0]=e[0]^225<<24}}this.state=a(t)};i.prototype.update=function(t){this.cache=e.concat([this.cache,t]);var r;while(this.cache.length>=16){r=this.cache.slice(0,16);this.cache=this.cache.slice(16);this.ghash(r)}};i.prototype.final=function(t,i){if(this.cache.length){this.ghash(e.concat([this.cache,r],16))}this.ghash(a([0,t,0,i]));return this.state};function n(e){return[e.readUInt32BE(0),e.readUInt32BE(4),e.readUInt32BE(8),e.readUInt32BE(12)]}function a(t){t=t.map(s);var r=new e(16);r.writeUInt32BE(t[0],0);r.writeUInt32BE(t[1],4);r.writeUInt32BE(t[2],8);r.writeUInt32BE(t[3],12);return r}var f=Math.pow(2,32);function s(e){var t,r;t=e>f||e<0?(r=Math.abs(e)%f,e<0?f-r:r):e;return t}function o(e,t){return[e[0]^t[0],e[1]^t[1],e[2]^t[2],e[3]^t[3]]}}).call(this,e("buffer").Buffer)},{buffer:46}],26:[function(e,t,r){r["aes-128-ecb"]={cipher:"AES",key:128,iv:0,mode:"ECB",type:"block"};r["aes-192-ecb"]={cipher:"AES",key:192,iv:0,mode:"ECB",type:"block"};r["aes-256-ecb"]={cipher:"AES",key:256,iv:0,mode:"ECB",type:"block"};r["aes-128-cbc"]={cipher:"AES",key:128,iv:16,mode:"CBC",type:"block"};r["aes-192-cbc"]={cipher:"AES",key:192,iv:16,mode:"CBC",type:"block"};r["aes-256-cbc"]={cipher:"AES",key:256,iv:16,mode:"CBC",type:"block"};r["aes128"]=r["aes-128-cbc"];r["aes192"]=r["aes-192-cbc"];r["aes256"]=r["aes-256-cbc"];r["aes-128-cfb"]={cipher:"AES",key:128,iv:16,mode:"CFB",type:"stream"};r["aes-192-cfb"]={cipher:"AES",key:192,iv:16,mode:"CFB",type:"stream"};r["aes-256-cfb"]={cipher:"AES",key:256,iv:16,mode:"CFB",type:"stream"};r["aes-128-cfb8"]={cipher:"AES",key:128,iv:16,mode:"CFB8",type:"stream"};r["aes-192-cfb8"]={cipher:"AES",key:192,iv:16,mode:"CFB8",type:"stream"};r["aes-256-cfb8"]={cipher:"AES",key:256,iv:16,mode:"CFB8",type:"stream"};r["aes-128-cfb1"]={cipher:"AES",key:128,iv:16,mode:"CFB1",type:"stream"};r["aes-192-cfb1"]={cipher:"AES",key:192,iv:16,mode:"CFB1",type:"stream"};r["aes-256-cfb1"]={cipher:"AES",key:256,iv:16,mode:"CFB1",type:"stream"};r["aes-128-ofb"]={cipher:"AES",key:128,iv:16,mode:"OFB",type:"stream"};r["aes-192-ofb"]={cipher:"AES",key:192,iv:16,mode:"OFB",type:"stream"};r["aes-256-ofb"]={cipher:"AES",key:256,iv:16,mode:"OFB",type:"stream"};r["aes-128-ctr"]={cipher:"AES",key:128,iv:16,mode:"CTR",type:"stream"};r["aes-192-ctr"]={cipher:"AES",key:192,iv:16,mode:"CTR",type:"stream"};r["aes-256-ctr"]={cipher:"AES",key:256,iv:16,mode:"CTR",type:"stream"};r["aes-128-gcm"]={cipher:"AES",key:128,iv:12,mode:"GCM",type:"auth"};r["aes-192-gcm"]={cipher:"AES",key:192,iv:12,mode:"GCM",type:"auth"};r["aes-256-gcm"]={cipher:"AES",key:256,iv:12,mode:"GCM",type:"auth"}},{}],27:[function(e,t,r){var i=e("buffer-xor");r.encrypt=function(e,t){var r=i(t,e._prev);e._prev=e._cipher.encryptBlock(r);return e._prev};r.decrypt=function(e,t){var r=e._prev;e._prev=t;var n=e._cipher.decryptBlock(t);return i(n,r)}},{"buffer-xor":45}],28:[function(e,t,r){(function(t){var i=e("buffer-xor");r.encrypt=function(e,r,i){var a=new t("");var f;while(r.length){if(e._cache.length===0){e._cache=e._cipher.encryptBlock(e._prev);e._prev=new t("")}if(e._cache.length<=r.length){f=e._cache.length;a=t.concat([a,n(e,r.slice(0,f),i)]);r=r.slice(f)}else{a=t.concat([a,n(e,r,i)]);break}}return a};function n(e,r,n){var a=r.length;var f=i(r,e._cache);e._cache=e._cache.slice(a);e._prev=t.concat([e._prev,n?r:f]);return f}}).call(this,e("buffer").Buffer)},{buffer:46,"buffer-xor":45}],29:[function(e,t,r){(function(e){function t(e,t,r){var n;var a=-1;var f=8;var s=0;var o,c;while(++a<f){n=e._cipher.encryptBlock(e._prev);o=t&1<<7-a?128:0;c=n[0]^o;s+=(c&128)>>a%8;e._prev=i(e._prev,r?o:c)}return s}r.encrypt=function(r,i,n){var a=i.length;var f=new e(a);var s=-1;while(++s<a){f[s]=t(r,i[s],n)}return f};function i(t,r){var i=t.length;var n=-1;var a=new e(t.length);t=e.concat([t,new e([r])]);while(++n<i){a[n]=t[n]<<1|t[n+1]>>7}return a}}).call(this,e("buffer").Buffer)},{buffer:46}],30:[function(e,t,r){(function(e){function t(t,r,i){var n=t._cipher.encryptBlock(t._prev);var a=n[0]^r;t._prev=e.concat([t._prev.slice(1),new e([i?r:a])]);return a}r.encrypt=function(r,i,n){var a=i.length;var f=new e(a);var s=-1;while(++s<a){f[s]=t(r,i[s],n)}return f}}).call(this,e("buffer").Buffer)},{buffer:46}],31:[function(e,t,r){(function(t){var i=e("buffer-xor");function n(e){var t=e.length;var r;while(t--){r=e.readUInt8(t);if(r===255){e.writeUInt8(0,t)}else{r++;e.writeUInt8(r,t);break}}}function a(e){var t=e._cipher.encryptBlock(e._prev);n(e._prev);return t}r.encrypt=function(e,r){while(e._cache.length<r.length){e._cache=t.concat([e._cache,a(e)])}var n=e._cache.slice(0,r.length);e._cache=e._cache.slice(r.length);return i(r,n)}}).call(this,e("buffer").Buffer)},{buffer:46,"buffer-xor":45}],32:[function(e,t,r){r.encrypt=function(e,t){return e._cipher.encryptBlock(t)};r.decrypt=function(e,t){return e._cipher.decryptBlock(t)}},{}],33:[function(e,t,r){(function(t){var i=e("buffer-xor");function n(e){e._prev=e._cipher.encryptBlock(e._prev);return e._prev}r.encrypt=function(e,r){while(e._cache.length<r.length){e._cache=t.concat([e._cache,n(e)])}var a=e._cache.slice(0,r.length);e._cache=e._cache.slice(r.length);return i(r,a)}}).call(this,e("buffer").Buffer)},{buffer:46,"buffer-xor":45}],34:[function(e,t,r){(function(r){var i=e("./aes");var n=e("cipher-base");var a=e("inherits");a(f,n);t.exports=f;function f(e,t,a,s){if(!(this instanceof f)){return new f(e,t,a)}n.call(this);this._cipher=new i.AES(t);this._prev=new r(a.length);this._cache=new r("");this._secCache=new r("");this._decrypt=s;a.copy(this._prev);this._mode=e}f.prototype._update=function(e){return this._mode.encrypt(this,e,this._decrypt)};f.prototype._final=function(){this._cipher.scrub()}}).call(this,e("buffer").Buffer)},{"./aes":20,buffer:46,"cipher-base":47,inherits:92}],35:[function(e,t,r){var i=e("evp_bytestokey");var n=e("browserify-aes/browser");var a=e("browserify-des");var f=e("browserify-des/modes");var s=e("browserify-aes/modes");function o(e,t){var r,n;e=e.toLowerCase();if(s[e]){r=s[e].key;n=s[e].iv}else if(f[e]){r=f[e].key*8;n=f[e].iv}else{throw new TypeError("invalid suite type")}var a=i(t,false,r,n);return h(e,a.key,a.iv)}function c(e,t){var r,n;e=e.toLowerCase();if(s[e]){r=s[e].key;n=s[e].iv}else if(f[e]){r=f[e].key*8;n=f[e].iv}else{throw new TypeError("invalid suite type")}var a=i(t,false,r,n);return d(e,a.key,a.iv)}function h(e,t,r){e=e.toLowerCase();if(s[e]){return n.createCipheriv(e,t,r)}else if(f[e]){return new a({key:t,iv:r,mode:e})}else{throw new TypeError("invalid suite type")}}function d(e,t,r){e=e.toLowerCase();if(s[e]){return n.createDecipheriv(e,t,r)}else if(f[e]){return new a({key:t,iv:r,mode:e,decrypt:true})}else{throw new TypeError("invalid suite type")}}r.createCipher=r.Cipher=o;r.createCipheriv=r.Cipheriv=h;r.createDecipher=r.Decipher=c;r.createDecipheriv=r.Decipheriv=d;function u(){return Object.keys(f).concat(n.getCiphers())}r.listCiphers=r.getCiphers=u},{"browserify-aes/browser":22,"browserify-aes/modes":26,"browserify-des":36,"browserify-des/modes":37,evp_bytestokey:83}],36:[function(e,t,r){(function(r){var i=e("cipher-base");var n=e("des.js");var a=e("inherits");var f={"des-ede3-cbc":n.CBC.instantiate(n.EDE),"des-ede3":n.EDE,"des-ede-cbc":n.CBC.instantiate(n.EDE),"des-ede":n.EDE,"des-cbc":n.CBC.instantiate(n.DES),"des-ecb":n.DES};f.des=f["des-cbc"];f.des3=f["des-ede3-cbc"];t.exports=s;a(s,i);function s(e){i.call(this);var t=e.mode.toLowerCase();var n=f[t];var a;if(e.decrypt){a="decrypt"}else{a="encrypt"}var s=e.key;if(t==="des-ede"||t==="des-ede-cbc"){s=r.concat([s,s.slice(0,8)])}var o=e.iv;this._des=n.create({key:s,iv:o,type:a})}s.prototype._update=function(e){return new r(this._des.update(e))};s.prototype._final=function(){return new r(this._des.final())}}).call(this,e("buffer").Buffer)},{buffer:46,"cipher-base":47,"des.js":55,inherits:92}],37:[function(e,t,r){r["des-ecb"]={key:8,iv:0};r["des-cbc"]=r.des={key:8,iv:8};r["des-ede3-cbc"]=r.des3={key:24,iv:8};r["des-ede3"]={key:24,iv:0};r["des-ede-cbc"]={key:16,iv:8};r["des-ede"]={key:16,iv:0}},{}],38:[function(e,t,r){(function(r){var i=e("bn.js");var n=e("randombytes");t.exports=f;function a(e){var t=s(e);var r=t.toRed(i.mont(e.modulus)).redPow(new i(e.publicExponent)).fromRed();return{blinder:r,unblinder:t.invm(e.modulus)}}function f(e,t){var n=a(t);var f=t.modulus.byteLength();var s=i.mont(t.modulus);var o=new i(e).mul(n.blinder).umod(t.modulus);var c=o.toRed(i.mont(t.prime1));var h=o.toRed(i.mont(t.prime2));var d=t.coefficient;var u=t.prime1;var l=t.prime2;var p=c.redPow(t.exponent1);var b=h.redPow(t.exponent2);p=p.fromRed();b=b.fromRed();var v=p.isub(b).imul(d).umod(u);v.imul(l);b.iadd(v);return new r(b.imul(n.unblinder).umod(t.modulus).toArray(false,f))}f.getr=s;function s(e){var t=e.modulus.byteLength();var r=new i(n(t));while(r.cmp(e.modulus)>=0||!r.umod(e.prime1)||!r.umod(e.prime2)){r=new i(n(t))}return r}}).call(this,e("buffer").Buffer)},{"bn.js":17,buffer:46,randombytes:115}],39:[function(e,t,r){(function(e){"use strict";r["RSA-SHA224"]=r.sha224WithRSAEncryption={sign:"rsa",hash:"sha224",id:new e("302d300d06096086480165030402040500041c","hex")};r["RSA-SHA256"]=r.sha256WithRSAEncryption={sign:"rsa",hash:"sha256",id:new e("3031300d060960864801650304020105000420","hex")};r["RSA-SHA384"]=r.sha384WithRSAEncryption={sign:"rsa",hash:"sha384",id:new e("3041300d060960864801650304020205000430","hex")};r["RSA-SHA512"]=r.sha512WithRSAEncryption={sign:"rsa",hash:"sha512",id:new e("3051300d060960864801650304020305000440","hex")};r["RSA-SHA1"]={sign:"rsa",hash:"sha1",id:new 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o=e("./verify");var c={};Object.keys(i).forEach(function(e){c[e]=c[e.toLowerCase()]=i[e]});function h(e){s.Writable.call(this);var t=c[e];if(!t){throw new Error("Unknown message digest")}this._hashType=t.hash;this._hash=n(t.hash);this._tag=t.id;this._signType=t.sign}a(h,s.Writable);h.prototype._write=function p(e,t,r){this._hash.update(e);r()};h.prototype.update=function b(e,t){if(typeof e==="string"){e=new r(e,t)}this._hash.update(e);return this};h.prototype.sign=function v(e,t){this.end();var i=this._hash.digest();var n=f(r.concat([this._tag,i]),e,this._hashType,this._signType);return t?n.toString(t):n};function d(e){s.Writable.call(this);var t=c[e];if(!t){throw new Error("Unknown message digest")}this._hash=n(t.hash);this._tag=t.id;this._signType=t.sign}a(d,s.Writable);d.prototype._write=function y(e,t,r){this._hash.update(e);r()};d.prototype.update=function g(e,t){if(typeof e==="string"){e=new r(e,t)}this._hash.update(e);return this};d.prototype.verify=function m(e,t,i){if(typeof 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s=n.length;var o=v(n,t);var c=new r(s);c.fill(1);var h=new r(s);h.fill(0);h=i(a,h).update(c).update(new r([0])).update(e).update(o).digest();c=i(a,h).update(c).digest();h=i(a,h).update(c).update(new r([1])).update(e).update(o).digest();c=i(a,h).update(c).digest();return{k:h,v:c}}function b(e,t){var r=new o(e);var i=(e.length<<3)-t.bitLength();if(i>0){r.ishrn(i)}return r}function v(e,t){e=b(e,t);e=e.mod(t);var i=new r(e.toArray());if(i.length<t.byteLength()){var n=new r(t.byteLength()-i.length);n.fill(0);i=r.concat([n,i])}return i}function y(e,t,n){var a,f;do{a=new r("");while(a.length*8<e.bitLength()){t.v=i(n,t.k).update(t.v).digest();a=r.concat([a,t.v])}f=b(a,e);t.k=i(n,t.k).update(t.v).update(new r([0])).digest();t.v=i(n,t.k).update(t.v).digest()}while(f.cmp(e)!==-1);return f}function g(e,t,r,i){return 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e==="undefined"}r.isPrimitive=b;function v(t){return e.isBuffer(t)}r.isBuffer=v;function y(e){return Object.prototype.toString.call(e)}}).call(this,{isBuffer:e("../../is-buffer/index.js")})},{"../../is-buffer/index.js":95}],49:[function(e,t,r){(function(r){var i=e("elliptic");var n=e("bn.js");t.exports=function o(e){return new f(e)};var a={secp256k1:{name:"secp256k1",byteLength:32},secp224r1:{name:"p224",byteLength:28},prime256v1:{name:"p256",byteLength:32},prime192v1:{name:"p192",byteLength:24},ed25519:{name:"ed25519",byteLength:32},secp384r1:{name:"p384",byteLength:48},secp521r1:{name:"p521",byteLength:66}};a.p224=a.secp224r1;a.p256=a.secp256r1=a.prime256v1;a.p192=a.secp192r1=a.prime192v1;a.p384=a.secp384r1;a.p521=a.secp521r1;function f(e){this.curveType=a[e];if(!this.curveType){this.curveType={name:e}}this.curve=new i.ec(this.curveType.name);this.keys=void 0}f.prototype.generateKeys=function(e,t){this.keys=this.curve.genKeyPair();return this.getPublicKey(e,t)};f.prototype.computeSecret=function(e,t,i){t=t||"utf8";if(!r.isBuffer(e)){e=new r(e,t)}var n=this.curve.keyFromPublic(e).getPublic();var a=n.mul(this.keys.getPrivate()).getX();return s(a,i,this.curveType.byteLength)};f.prototype.getPublicKey=function(e,t){var r=this.keys.getPublic(t==="compressed",true);if(t==="hybrid"){if(r[r.length-1]%2){r[0]=7}else{r[0]=6}}return s(r,e)};f.prototype.getPrivateKey=function(e){return s(this.keys.getPrivate(),e)};f.prototype.setPublicKey=function(e,t){t=t||"utf8";if(!r.isBuffer(e)){e=new r(e,t)}this.keys._importPublic(e);return this};f.prototype.setPrivateKey=function(e,t){t=t||"utf8";if(!r.isBuffer(e)){e=new r(e,t)}var i=new n(e);i=i.toString(16);this.keys._importPrivate(i);return this};function s(e,t,i){if(!Array.isArray(e)){e=e.toArray()}var n=new r(e);if(i&&n.length<i){var a=new r(i-n.length);a.fill(0);n=r.concat([a,n])}if(!t){return n}else{return n.toString(t)}}}).call(this,e("buffer").Buffer)},{"bn.js":17,buffer:46,elliptic:65}],50:[function(e,t,r){(function(r){"use strict";var i=e("inherits");var n=e("./md5");var a=e("ripemd160");var f=e("sha.js");var s=e("cipher-base");function o(e){s.call(this,"digest");this._hash=e;this.buffers=[]}i(o,s);o.prototype._update=function(e){this.buffers.push(e)};o.prototype._final=function(){var e=r.concat(this.buffers);var t=this._hash(e);this.buffers=null;return t};function c(e){s.call(this,"digest");this._hash=e}i(c,s);c.prototype._update=function(e){this._hash.update(e)};c.prototype._final=function(){return this._hash.digest()};t.exports=function h(e){e=e.toLowerCase();if("md5"===e)return new o(n);if("rmd160"===e||"ripemd160"===e)return new o(a);return new c(f(e))}}).call(this,e("buffer").Buffer)},{"./md5":52,buffer:46,"cipher-base":47,inherits:92,ripemd160:126,"sha.js":128}],51:[function(e,t,r){(function(e){"use strict";var t=4;var i=new e(t);i.fill(0);var n=8;function a(r,n){if(r.length%t!==0){var a=r.length+(t-r.length%t);r=e.concat([r,i],a)}var f=[];var s=n?r.readInt32BE:r.readInt32LE;for(var o=0;o<r.length;o+=t){f.push(s.call(r,o))}return f}function f(t,r,i){var n=new e(r);var a=i?n.writeInt32BE:n.writeInt32LE;for(var f=0;f<t.length;f++){a.call(n,t[f],f*4,true)}return n}function s(t,r,i,s){if(!e.isBuffer(t))t=new e(t);var o=r(a(t,s),t.length*n);return f(o,i,s)}r.hash=s}).call(this,e("buffer").Buffer)},{buffer:46}],52:[function(e,t,r){"use strict";var i=e("./helpers");function n(e,t){e[t>>5]|=128<<t%32;e[(t+64>>>9<<4)+14]=t;var r=1732584193;var i=-271733879;var n=-1732584194;var a=271733878;for(var d=0;d<e.length;d+=16){var u=r;var l=i;var p=n;var b=a;r=f(r,i,n,a,e[d+0],7,-680876936);a=f(a,r,i,n,e[d+1],12,-389564586);n=f(n,a,r,i,e[d+2],17,606105819);i=f(i,n,a,r,e[d+3],22,-1044525330);r=f(r,i,n,a,e[d+4],7,-176418897);a=f(a,r,i,n,e[d+5],12,1200080426);n=f(n,a,r,i,e[d+6],17,-1473231341);i=f(i,n,a,r,e[d+7],22,-45705983);r=f(r,i,n,a,e[d+8],7,1770035416);a=f(a,r,i,n,e[d+9],12,-1958414417);n=f(n,a,r,i,e[d+10],17,-42063);i=f(i,n,a,r,e[d+11],22,-1990404162);r=f(r,i,n,a,e[d+12],7,1804603682);a=f(a,r,i,n,e[d+13],12,-40341101);n=f(n,a,r,i,e[d+14],17,-1502002290);i=f(i,n,a,r,e[d+15],22,1236535329);r=s(r,i,n,a,e[d+1],5,-165796510);a=s(a,r,i,n,e[d+6],9,-1069501632);n=s(n,a,r,i,e[d+11],14,643717713);i=s(i,n,a,r,e[d+0],20,-373897302);r=s(r,i,n,a,e[d+5],5,-701558691);a=s(a,r,i,n,e[d+10],9,38016083);n=s(n,a,r,i,e[d+15],14,-660478335);i=s(i,n,a,r,e[d+4],20,-405537848);r=s(r,i,n,a,e[d+9],5,568446438);a=s(a,r,i,n,e[d+14],9,-1019803690);n=s(n,a,r,i,e[d+3],14,-187363961);i=s(i,n,a,r,e[d+8],20,1163531501);r=s(r,i,n,a,e[d+13],5,-1444681467);a=s(a,r,i,n,e[d+2],9,-51403784);n=s(n,a,r,i,e[d+7],14,1735328473);i=s(i,n,a,r,e[d+12],20,-1926607734);r=o(r,i,n,a,e[d+5],4,-378558);a=o(a,r,i,n,e[d+8],11,-2022574463);n=o(n,a,r,i,e[d+11],16,1839030562);i=o(i,n,a,r,e[d+14],23,-35309556);r=o(r,i,n,a,e[d+1],4,-1530992060);a=o(a,r,i,n,e[d+4],11,1272893353);n=o(n,a,r,i,e[d+7],16,-155497632);i=o(i,n,a,r,e[d+10],23,-1094730640);r=o(r,i,n,a,e[d+13],4,681279174);a=o(a,r,i,n,e[d+0],11,-358537222);n=o(n,a,r,i,e[d+3],16,-722521979);i=o(i,n,a,r,e[d+6],23,76029189);r=o(r,i,n,a,e[d+9],4,-640364487);a=o(a,r,i,n,e[d+12],11,-421815835);n=o(n,a,r,i,e[d+15],16,530742520);i=o(i,n,a,r,e[d+2],23,-995338651);r=c(r,i,n,a,e[d+0],6,-198630844);a=c(a,r,i,n,e[d+7],10,1126891415);n=c(n,a,r,i,e[d+14],15,-1416354905);i=c(i,n,a,r,e[d+5],21,-57434055);r=c(r,i,n,a,e[d+12],6,1700485571);a=c(a,r,i,n,e[d+3],10,-1894986606);n=c(n,a,r,i,e[d+10],15,-1051523);i=c(i,n,a,r,e[d+1],21,-2054922799);r=c(r,i,n,a,e[d+8],6,1873313359);a=c(a,r,i,n,e[d+15],10,-30611744);n=c(n,a,r,i,e[d+6],15,-1560198380);i=c(i,n,a,r,e[d+13],21,1309151649);r=c(r,i,n,a,e[d+4],6,-145523070);a=c(a,r,i,n,e[d+11],10,-1120210379);n=c(n,a,r,i,e[d+2],15,718787259);i=c(i,n,a,r,e[d+9],21,-343485551);r=h(r,u);i=h(i,l);n=h(n,p);a=h(a,b)}return Array(r,i,n,a)}function a(e,t,r,i,n,a){return h(d(h(h(t,e),h(i,a)),n),r)}function f(e,t,r,i,n,f,s){return a(t&r|~t&i,e,t,n,f,s)}function s(e,t,r,i,n,f,s){return a(t&i|r&~i,e,t,n,f,s)}function o(e,t,r,i,n,f,s){return a(t^r^i,e,t,n,f,s)}function c(e,t,r,i,n,f,s){return a(r^(t|~i),e,t,n,f,s)}function h(e,t){var r=(e&65535)+(t&65535);var i=(e>>16)+(t>>16)+(r>>16);return i<<16|r&65535}function d(e,t){return e<<t|e>>>32-t}t.exports=function u(e){return i.hash(e,n,16)}},{"./helpers":51}],53:[function(e,t,r){(function(r){"use strict";var i=e("create-hash/browser");var n=e("inherits");var a=e("stream").Transform;var f=new r(128);f.fill(0);function s(e,t){a.call(this);e=e.toLowerCase();if(typeof t==="string"){t=new r(t)}var n=e==="sha512"||e==="sha384"?128:64;this._alg=e;this._key=t;if(t.length>n){t=i(e).update(t).digest()}else if(t.length<n){t=r.concat([t,f],n)}var s=this._ipad=new r(n);var o=this._opad=new r(n);for(var c=0;c<n;c++){s[c]=t[c]^54;o[c]=t[c]^92}this._hash=i(e).update(s)}n(s,a);s.prototype.update=function(e,t){this._hash.update(e,t);return this};s.prototype._transform=function(e,t,r){this._hash.update(e);r()};s.prototype._flush=function(e){this.push(this.digest());e()};s.prototype.digest=function(e){var t=this._hash.digest();return i(this._alg).update(this._opad).update(t).digest(e)};t.exports=function o(e,t){return new s(e,t)}}).call(this,e("buffer").Buffer)},{buffer:46,"create-hash/browser":50,inherits:92,stream:135}],54:[function(e,t,r){"use strict";r.randomBytes=r.rng=r.pseudoRandomBytes=r.prng=e("randombytes");r.createHash=r.Hash=e("create-hash");r.createHmac=r.Hmac=e("create-hmac");var i=["sha1","sha224","sha256","sha384","sha512","md5","rmd160"].concat(Object.keys(e("browserify-sign/algos")));r.getHashes=function(){return i};var n=e("pbkdf2");r.pbkdf2=n.pbkdf2;r.pbkdf2Sync=n.pbkdf2Sync;var a=e("browserify-cipher");["Cipher","createCipher","Cipheriv","createCipheriv","Decipher","createDecipher","Decipheriv","createDecipheriv","getCiphers","listCiphers"].forEach(function(e){r[e]=a[e]});var f=e("diffie-hellman");["DiffieHellmanGroup","createDiffieHellmanGroup","getDiffieHellman","createDiffieHellman","DiffieHellman"].forEach(function(e){r[e]=f[e]});var s=e("browserify-sign");["createSign","Sign","createVerify","Verify"].forEach(function(e){r[e]=s[e]});r.createECDH=e("create-ecdh");var o=e("public-encrypt");["publicEncrypt","privateEncrypt","publicDecrypt","privateDecrypt"].forEach(function(e){r[e]=o[e]});["createCredentials"].forEach(function(e){r[e]=function(){throw new Error(["sorry, "+e+" is not implemented yet","we accept pull 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f(this.options.iv);this._cbcState=e};a._update=function c(e,t,r,i){var n=this._cbcState;var a=this.constructor.super_.prototype;var f=n.iv;if(this.type==="encrypt"){for(var s=0;s<this.blockSize;s++)f[s]^=e[t+s];a._update.call(this,f,0,r,i);for(var s=0;s<this.blockSize;s++)f[s]=r[i+s]}else{a._update.call(this,e,t,r,i);for(var s=0;s<this.blockSize;s++)r[i+s]^=f[s];for(var s=0;s<this.blockSize;s++)f[s]=e[t+s]}}},{inherits:92,"minimalistic-assert":99}],57:[function(e,t,r){"use strict";var i=e("minimalistic-assert");function n(e){this.options=e;this.type=this.options.type;this.blockSize=8;this._init();this.buffer=new Array(this.blockSize);this.bufferOff=0}t.exports=n;n.prototype._init=function a(){};n.prototype.update=function f(e){if(e.length===0)return[];if(this.type==="decrypt")return this._updateDecrypt(e);else return this._updateEncrypt(e)};n.prototype._buffer=function s(e,t){var r=Math.min(this.buffer.length-this.bufferOff,e.length-t);for(var i=0;i<r;i++)this.buffer[this.bufferOff+i]=e[t+i];this.bufferOff+=r;return r};n.prototype._flushBuffer=function o(e,t){this._update(this.buffer,0,e,t);this.bufferOff=0;return this.blockSize};n.prototype._updateEncrypt=function c(e){var t=0;var r=0;var i=(this.bufferOff+e.length)/this.blockSize|0;var n=new Array(i*this.blockSize);if(this.bufferOff!==0){t+=this._buffer(e,t);if(this.bufferOff===this.buffer.length)r+=this._flushBuffer(n,r)}var a=e.length-(e.length-t)%this.blockSize;for(;t<a;t+=this.blockSize){this._update(e,t,n,r);r+=this.blockSize}for(;t<e.length;t++,this.bufferOff++)this.buffer[this.bufferOff]=e[t];return n};n.prototype._updateDecrypt=function h(e){var t=0;var r=0;var i=Math.ceil((this.bufferOff+e.length)/this.blockSize)-1;var n=new Array(i*this.blockSize);for(;i>0;i--){t+=this._buffer(e,t);r+=this._flushBuffer(n,r)}t+=this._buffer(e,t);return n};n.prototype.final=function d(e){var t;if(e)t=this.update(e);var r;if(this.type==="encrypt")r=this._finalEncrypt();else r=this._finalDecrypt();if(t)return t.concat(r);else return r};n.prototype._pad=function u(e,t){if(t===0)return false;while(t<e.length)e[t++]=0;return true};n.prototype._finalEncrypt=function l(){if(!this._pad(this.buffer,this.bufferOff))return[];var e=new Array(this.blockSize);this._update(this.buffer,0,e,0);return e};n.prototype._unpad=function p(e){return e};n.prototype._finalDecrypt=function b(){i.equal(this.bufferOff,this.blockSize,"Not enough data to decrypt");var e=new Array(this.blockSize);this._flushBuffer(e,0);return this._unpad(e)}},{"minimalistic-assert":99}],58:[function(e,t,r){"use strict";var i=e("minimalistic-assert");var n=e("inherits");var a=e("../des");var f=a.utils;var s=a.Cipher;function o(){this.tmp=new Array(2);this.keys=null}function c(e){s.call(this,e);var t=new o;this._desState=t;this.deriveKeys(t,e.key)}n(c,s);t.exports=c;c.create=function d(e){return new c(e)};var h=[1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1];c.prototype.deriveKeys=function u(e,t){e.keys=new Array(16*2);i.equal(t.length,this.blockSize,"Invalid key length");var r=f.readUInt32BE(t,0);var n=f.readUInt32BE(t,4);f.pc1(r,n,e.tmp,0);r=e.tmp[0];n=e.tmp[1];for(var a=0;a<e.keys.length;a+=2){var s=h[a>>>1];r=f.r28shl(r,s);n=f.r28shl(n,s);f.pc2(r,n,e.keys,a)}};c.prototype._update=function l(e,t,r,i){var n=this._desState;var a=f.readUInt32BE(e,t);var s=f.readUInt32BE(e,t+4);f.ip(a,s,n.tmp,0);a=n.tmp[0];s=n.tmp[1];if(this.type==="encrypt")this._encrypt(n,a,s,n.tmp,0);else this._decrypt(n,a,s,n.tmp,0);a=n.tmp[0];s=n.tmp[1];f.writeUInt32BE(r,a,i);f.writeUInt32BE(r,s,i+4)};c.prototype._pad=function p(e,t){var r=e.length-t;for(var i=t;i<e.length;i++)e[i]=r;return true};c.prototype._unpad=function b(e){var t=e[e.length-1];for(var r=e.length-t;r<e.length;r++)i.equal(e[r],t);return e.slice(0,e.length-t)};c.prototype._encrypt=function v(e,t,r,i,n){var a=t;var s=r;for(var o=0;o<e.keys.length;o+=2){var c=e.keys[o];var h=e.keys[o+1];f.expand(s,e.tmp,0);c^=e.tmp[0];h^=e.tmp[1];var d=f.substitute(c,h);var u=f.permute(d);var l=s;s=(a^u)>>>0;a=l}f.rip(s,a,i,n)};c.prototype._decrypt=function y(e,t,r,i,n){var a=r;var s=t;for(var o=e.keys.length-2;o>=0;o-=2){var c=e.keys[o];var h=e.keys[o+1];f.expand(a,e.tmp,0);c^=e.tmp[0];h^=e.tmp[1];var d=f.substitute(c,h);var u=f.permute(d);var l=a;a=(s^u)>>>0;s=l}f.rip(a,s,i,n)}},{"../des":55,inherits:92,"minimalistic-assert":99}],59:[function(e,t,r){"use strict";var i=e("minimalistic-assert");var n=e("inherits");var a=e("../des");var f=a.Cipher;var s=a.DES;function o(e,t){i.equal(t.length,24,"Invalid key length");var r=t.slice(0,8);var n=t.slice(8,16);var a=t.slice(16,24);if(e==="encrypt"){this.ciphers=[s.create({type:"encrypt",key:r}),s.create({type:"decrypt",key:n}),s.create({type:"encrypt",key:a})]}else{this.ciphers=[s.create({type:"decrypt",key:a}),s.create({type:"encrypt",key:n}),s.create({type:"decrypt",key:r})]}}function c(e){f.call(this,e);var t=new o(this.type,this.options.key);this._edeState=t}n(c,f);t.exports=c;c.create=function h(e){return new c(e)};c.prototype._update=function d(e,t,r,i){var n=this._edeState;n.ciphers[0]._update(e,t,r,i);n.ciphers[1]._update(r,i,r,i);n.ciphers[2]._update(r,i,r,i)};c.prototype._pad=s.prototype._pad;c.prototype._unpad=s.prototype._unpad},{"../des":55,inherits:92,"minimalistic-assert":99}],60:[function(e,t,r){"use strict";r.readUInt32BE=function f(e,t){var r=e[0+t]<<24|e[1+t]<<16|e[2+t]<<8|e[3+t];return r>>>0};r.writeUInt32BE=function s(e,t,r){e[0+r]=t>>>24;e[1+r]=t>>>16&255;e[2+r]=t>>>8&255;e[3+r]=t&255};r.ip=function o(e,t,r,i){var n=0;var a=0;for(var f=6;f>=0;f-=2){for(var s=0;s<=24;s+=8){n<<=1;n|=t>>>s+f&1}for(var s=0;s<=24;s+=8){n<<=1;n|=e>>>s+f&1}}for(var f=6;f>=0;f-=2){for(var s=1;s<=25;s+=8){a<<=1;a|=t>>>s+f&1}for(var s=1;s<=25;s+=8){a<<=1;a|=e>>>s+f&1}}r[i+0]=n>>>0;r[i+1]=a>>>0};r.rip=function c(e,t,r,i){var n=0;var a=0;for(var f=0;f<4;f++){for(var s=24;s>=0;s-=8){n<<=1;n|=t>>>s+f&1;n<<=1;n|=e>>>s+f&1}}for(var f=4;f<8;f++){for(var s=24;s>=0;s-=8){a<<=1;a|=t>>>s+f&1;a<<=1;a|=e>>>s+f&1}}r[i+0]=n>>>0;r[i+1]=a>>>0};r.pc1=function h(e,t,r,i){var n=0;var a=0;for(var f=7;f>=5;f--){for(var s=0;s<=24;s+=8){n<<=1;n|=t>>s+f&1}for(var s=0;s<=24;s+=8){n<<=1;n|=e>>s+f&1}}for(var s=0;s<=24;s+=8){n<<=1;n|=t>>s+f&1}for(var f=1;f<=3;f++){for(var s=0;s<=24;s+=8){a<<=1;a|=t>>s+f&1}for(var s=0;s<=24;s+=8){a<<=1;a|=e>>s+f&1}}for(var s=0;s<=24;s+=8){a<<=1;a|=e>>s+f&1}r[i+0]=n>>>0;r[i+1]=a>>>0};r.r28shl=function d(e,t){return e<<t&268435455|e>>>28-t};var i=[14,11,17,4,27,23,25,0,13,22,7,18,5,9,16,24,2,20,12,21,1,8,15,26,15,4,25,19,9,1,26,16,5,11,23,8,12,7,17,0,22,3,10,14,6,20,27,24];r.pc2=function u(e,t,r,n){var a=0;var f=0;var s=i.length>>>1;for(var o=0;o<s;o++){a<<=1;a|=e>>>i[o]&1}for(var o=s;o<i.length;o++){f<<=1;f|=t>>>i[o]&1}r[n+0]=a>>>0;r[n+1]=f>>>0};r.expand=function l(e,t,r){var i=0;var n=0;i=(e&1)<<5|e>>>27;for(var a=23;a>=15;a-=4){i<<=6;i|=e>>>a&63}for(var a=11;a>=3;a-=4){n|=e>>>a&63;n<<=6}n|=(e&31)<<1|e>>>31;t[r+0]=i>>>0;t[r+1]=n>>>0};var n=[14,0,4,15,13,7,1,4,2,14,15,2,11,13,8,1,3,10,10,6,6,12,12,11,5,9,9,5,0,3,7,8,4,15,1,12,14,8,8,2,13,4,6,9,2,1,11,7,15,5,12,11,9,3,7,14,3,10,10,0,5,6,0,13,15,3,1,13,8,4,14,7,6,15,11,2,3,8,4,14,9,12,7,0,2,1,13,10,12,6,0,9,5,11,10,5,0,13,14,8,7,10,11,1,10,3,4,15,13,4,1,2,5,11,8,6,12,7,6,12,9,0,3,5,2,14,15,9,10,13,0,7,9,0,14,9,6,3,3,4,15,6,5,10,1,2,13,8,12,5,7,14,11,12,4,11,2,15,8,1,13,1,6,10,4,13,9,0,8,6,15,9,3,8,0,7,11,4,1,15,2,14,12,3,5,11,10,5,14,2,7,12,7,13,13,8,14,11,3,5,0,6,6,15,9,0,10,3,1,4,2,7,8,2,5,12,11,1,12,10,4,14,15,9,10,3,6,15,9,0,0,6,12,10,11,1,7,13,13,8,15,9,1,4,3,5,14,11,5,12,2,7,8,2,4,14,2,14,12,11,4,2,1,12,7,4,10,7,11,13,6,1,8,5,5,0,3,15,15,10,13,3,0,9,14,8,9,6,4,11,2,8,1,12,11,7,10,1,13,14,7,2,8,13,15,6,9,15,12,0,5,9,6,10,3,4,0,5,14,3,12,10,1,15,10,4,15,2,9,7,2,12,6,9,8,5,0,6,13,1,3,13,4,14,14,0,7,11,5,3,11,8,9,4,14,3,15,2,5,12,2,9,8,5,12,15,3,10,7,11,0,14,4,1,10,7,1,6,13,0,11,8,6,13,4,13,11,0,2,11,14,7,15,4,0,9,8,1,13,10,3,14,12,3,9,5,7,12,5,2,10,15,6,8,1,6,1,6,4,11,11,13,13,8,12,1,3,4,7,10,14,7,10,9,15,5,6,0,8,15,0,14,5,2,9,3,2,12,13,1,2,15,8,13,4,8,6,10,15,3,11,7,1,4,10,12,9,5,3,6,14,11,5,0,0,14,12,9,7,2,7,2,11,1,4,14,1,7,9,4,12,10,14,8,2,13,0,15,6,12,10,9,13,0,15,3,3,5,5,6,8,11];r.substitute=function p(e,t){var r=0;for(var i=0;i<4;i++){var a=e>>>18-i*6&63;var f=n[i*64+a];r<<=4;r|=f}for(var i=0;i<4;i++){var a=t>>>18-i*6&63;var f=n[4*64+i*64+a];r<<=4;r|=f}return r>>>0};var a=[16,25,12,11,3,20,4,15,31,17,9,6,27,14,1,22,30,24,8,18,0,5,29,23,13,19,2,26,10,21,28,7];r.permute=function b(e){var t=0;for(var r=0;r<a.length;r++){t<<=1;t|=e>>>a[r]&1}return t>>>0};r.padSplit=function v(e,t,r){var i=e.toString(2);while(i.length<t)i="0"+i;var n=[];for(var a=0;a<t;a+=r)n.push(i.slice(a,a+r));return n.join(" ")}},{}],61:[function(e,t,r){(function(t){var i=e("./lib/generatePrime");var n=e("./lib/primes");var a=e("./lib/dh");function f(e){var r=new t(n[e].prime,"hex");var i=new t(n[e].gen,"hex");return new a(r,i)}function s(e,r,n,f){if(t.isBuffer(r)||typeof r==="string"&&["hex","binary","base64"].indexOf(r)===-1){f=n;n=r;r=undefined}r=r||"binary";f=f||"binary";n=n||new t([2]);if(!t.isBuffer(n)){n=new t(n,f)}if(typeof e==="number"){return new a(i(e,n),n,true)}if(!t.isBuffer(e)){e=new t(e,r)}return new a(e,n,true)}r.DiffieHellmanGroup=r.createDiffieHellmanGroup=r.getDiffieHellman=f;r.createDiffieHellman=r.DiffieHellman=s}).call(this,e("buffer").Buffer)},{"./lib/dh":62,"./lib/generatePrime":63,"./lib/primes":64,buffer:46}],62:[function(e,t,r){(function(r){var i=e("bn.js");var n=e("miller-rabin");var a=new n;var f=new i(24);var s=new i(11);var o=new i(10);var c=new i(3);var h=new i(7);var d=e("./generatePrime");var u=e("randombytes");t.exports=y;function l(e,t){t=t||"utf8";if(!r.isBuffer(e)){e=new r(e,t)}this._pub=new i(e);return this}function p(e,t){t=t||"utf8";if(!r.isBuffer(e)){e=new r(e,t)}this._priv=new i(e);return this}var b={};function v(e,t){var r=t.toString("hex");var i=[r,e.toString(16)].join("_");if(i in b){return b[i]}var n=0;if(e.isEven()||!d.simpleSieve||!d.fermatTest(e)||!a.test(e)){n+=1;if(r==="02"||r==="05"){n+=8}else{n+=4}b[i]=n;return n}if(!a.test(e.shrn(1))){n+=2}var u;switch(r){case"02":if(e.mod(f).cmp(s)){n+=8}break;case"05":u=e.mod(o);if(u.cmp(c)&&u.cmp(h)){n+=8}break;default:n+=4}b[i]=n;return n}function y(e,t,r){this.setGenerator(t);this.__prime=new i(e);this._prime=i.mont(this.__prime);this._primeLen=e.length;this._pub=undefined;this._priv=undefined;this._primeCode=undefined;if(r){this.setPublicKey=l;this.setPrivateKey=p}else{this._primeCode=8}}Object.defineProperty(y.prototype,"verifyError",{enumerable:true,get:function(){if(typeof this._primeCode!=="number"){this._primeCode=v(this.__prime,this.__gen)}return this._primeCode}});y.prototype.generateKeys=function(){if(!this._priv){this._priv=new i(u(this._primeLen))}this._pub=this._gen.toRed(this._prime).redPow(this._priv).fromRed();
-return this.getPublicKey()};y.prototype.computeSecret=function(e){e=new i(e);e=e.toRed(this._prime);var t=e.redPow(this._priv).fromRed();var n=new r(t.toArray());var a=this.getPrime();if(n.length<a.length){var f=new r(a.length-n.length);f.fill(0);n=r.concat([f,n])}return n};y.prototype.getPublicKey=function m(e){return g(this._pub,e)};y.prototype.getPrivateKey=function w(e){return g(this._priv,e)};y.prototype.getPrime=function(e){return g(this.__prime,e)};y.prototype.getGenerator=function(e){return g(this._gen,e)};y.prototype.setGenerator=function(e,t){t=t||"utf8";if(!r.isBuffer(e)){e=new r(e,t)}this.__gen=e;this._gen=new i(e);return this};function g(e,t){var i=new r(e.toArray());if(!t){return i}else{return i.toString(t)}}}).call(this,e("buffer").Buffer)},{"./generatePrime":63,"bn.js":17,buffer:46,"miller-rabin":98,randombytes:115}],63:[function(e,t,r){var i=e("randombytes");t.exports=E;E.simpleSieve=_;E.fermatTest=S;var n=e("bn.js");var a=new n(24);var f=e("miller-rabin");var s=new f;var o=new n(1);var c=new n(2);var h=new n(5);var d=new n(16);var u=new n(8);var l=new n(10);var p=new n(3);var b=new n(7);var v=new n(11);var y=new n(4);var g=new n(12);var m=null;function w(){if(m!==null)return m;var e=1048576;var t=[];t[0]=2;for(var r=1,i=3;i<e;i+=2){var n=Math.ceil(Math.sqrt(i));for(var a=0;a<r&&t[a]<=n;a++)if(i%t[a]===0)break;if(r!==a&&t[a]<=n)continue;t[r++]=i}m=t;return t}function _(e){var t=w();for(var r=0;r<t.length;r++)if(e.modn(t[r])===0){if(e.cmpn(t[r])===0){return true}else{return false}}return true}function S(e){var t=n.mont(e);return c.toRed(t).redPow(e.subn(1)).fromRed().cmpn(1)===0}function E(e,t){if(e<16){if(t===2||t===5){return new n([140,123])}else{return new n([140,39])}}t=new n(t);var r,f;while(true){r=new n(i(Math.ceil(e/8)));while(r.bitLength()>e){r.ishrn(1)}if(r.isEven()){r.iadd(o)}if(!r.testn(1)){r.iadd(c)}if(!t.cmp(c)){while(r.mod(a).cmp(v)){r.iadd(y)}}else if(!t.cmp(h)){while(r.mod(l).cmp(p)){r.iadd(y)}}f=r.shrn(1);if(_(f)&&_(r)&&S(f)&&S(r)&&s.test(f)&&s.test(r)){return r}}}},{"bn.js":17,"miller-rabin":98,randombytes:115}],64:[function(e,t,r){t.exports={modp1:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff"},modp2:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff"},modp5:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff"},modp14:{gen:"02",prime:"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"},modp15:{gen:"02",prime:"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"},modp16:{gen:"02",prime:"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"},modp17:{gen:"02",prime:"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"},modp18:{gen:"02",prime:"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"}}},{}],65:[function(e,t,r){"use strict";var i=r;i.version=e("../package.json").version;i.utils=e("./elliptic/utils");i.rand=e("brorand");i.hmacDRBG=e("./elliptic/hmac-drbg");i.curve=e("./elliptic/curve");i.curves=e("./elliptic/curves");i.ec=e("./elliptic/ec");i.eddsa=e("./elliptic/eddsa")},{"../package.json":81,"./elliptic/curve":68,"./elliptic/curves":71,"./elliptic/ec":72,"./elliptic/eddsa":75,"./elliptic/hmac-drbg":78,"./elliptic/utils":80,brorand:18}],66:[function(e,t,r){"use strict";var i=e("bn.js");var n=e("../../elliptic");var a=n.utils;var f=a.getNAF;var s=a.getJSF;var o=a.assert;function c(e,t){this.type=e;this.p=new i(t.p,16);this.red=t.prime?i.red(t.prime):i.mont(this.p);this.zero=new i(0).toRed(this.red);this.one=new i(1).toRed(this.red);this.two=new i(2).toRed(this.red);this.n=t.n&&new i(t.n,16);this.g=t.g&&this.pointFromJSON(t.g,t.gRed);this._wnafT1=new Array(4);this._wnafT2=new Array(4);this._wnafT3=new Array(4);this._wnafT4=new Array(4)}t.exports=c;c.prototype.point=function d(){throw new Error("Not implemented")};c.prototype.validate=function u(){throw new Error("Not implemented")};c.prototype._fixedNafMul=function l(e,t){o(e.precomputed);var r=e._getDoubles();var i=f(t,1);var n=(1<<r.step+1)-(r.step%2===0?2:1);n/=3;var a=[];for(var s=0;s<i.length;s+=r.step){var c=0;for(var t=s+r.step-1;t>=s;t--)c=(c<<1)+i[t];a.push(c)}var h=this.jpoint(null,null,null);var d=this.jpoint(null,null,null);for(var u=n;u>0;u--){for(var s=0;s<a.length;s++){var c=a[s];if(c===u)d=d.mixedAdd(r.points[s]);else if(c===-u)d=d.mixedAdd(r.points[s].neg())}h=h.add(d)}return h.toP()};c.prototype._wnafMul=function p(e,t){var r=4;var i=e._getNAFPoints(r);r=i.wnd;var n=i.points;var a=f(t,r);var s=this.jpoint(null,null,null);for(var c=a.length-1;c>=0;c--){for(var t=0;c>=0&&a[c]===0;c--)t++;if(c>=0)t++;s=s.dblp(t);if(c<0)break;var h=a[c];o(h!==0);if(e.type==="affine"){if(h>0)s=s.mixedAdd(n[h-1>>1]);else s=s.mixedAdd(n[-h-1>>1].neg())}else{if(h>0)s=s.add(n[h-1>>1]);else s=s.add(n[-h-1>>1].neg())}}return e.type==="affine"?s.toP():s};c.prototype._wnafMulAdd=function b(e,t,r,i){var n=this._wnafT1;var a=this._wnafT2;var o=this._wnafT3;var c=0;for(var h=0;h<i;h++){var d=t[h];var u=d._getNAFPoints(e);n[h]=u.wnd;a[h]=u.points}for(var h=i-1;h>=1;h-=2){var l=h-1;var p=h;if(n[l]!==1||n[p]!==1){o[l]=f(r[l],n[l]);o[p]=f(r[p],n[p]);c=Math.max(o[l].length,c);c=Math.max(o[p].length,c);continue}var b=[t[l],null,null,t[p]];if(t[l].y.cmp(t[p].y)===0){b[1]=t[l].add(t[p]);b[2]=t[l].toJ().mixedAdd(t[p].neg())}else if(t[l].y.cmp(t[p].y.redNeg())===0){b[1]=t[l].toJ().mixedAdd(t[p]);b[2]=t[l].add(t[p].neg())}else{b[1]=t[l].toJ().mixedAdd(t[p]);b[2]=t[l].toJ().mixedAdd(t[p].neg())}var v=[-3,-1,-5,-7,0,7,5,1,3];var y=s(r[l],r[p]);c=Math.max(y[0].length,c);o[l]=new Array(c);o[p]=new Array(c);for(var g=0;g<c;g++){var m=y[0][g]|0;var w=y[1][g]|0;o[l][g]=v[(m+1)*3+(w+1)];o[p][g]=0;a[l]=b}}var _=this.jpoint(null,null,null);var S=this._wnafT4;for(var h=c;h>=0;h--){var E=0;while(h>=0){var B=true;for(var g=0;g<i;g++){S[g]=o[g][h]|0;if(S[g]!==0)B=false}if(!B)break;E++;h--}if(h>=0)E++;_=_.dblp(E);if(h<0)break;for(var g=0;g<i;g++){var A=S[g];var d;if(A===0)continue;else if(A>0)d=a[g][A-1>>1];else if(A<0)d=a[g][-A-1>>1].neg();if(d.type==="affine")_=_.mixedAdd(d);else _=_.add(d)}}for(var h=0;h<i;h++)a[h]=null;return _.toP()};function h(e,t){this.curve=e;this.type=t;this.precomputed=null}c.BasePoint=h;h.prototype.eq=function v(){throw new Error("Not implemented")};h.prototype.validate=function y(){return this.curve.validate(this)};c.prototype.decodePoint=function g(e,t){e=a.toArray(e,t);var r=this.p.byteLength();if(e[0]===4&&e.length-1===2*r){return this.point(e.slice(1,1+r),e.slice(1+r,1+2*r))}else if((e[0]===2||e[0]===3)&&e.length-1===r){return this.pointFromX(e.slice(1,1+r),e[0]===3)}throw new Error("Unknown point format")};h.prototype.encodeCompressed=function m(e){return this.encode(e,true)};h.prototype._encode=function w(e){var t=this.curve.p.byteLength();var r=this.getX().toArray("be",t);if(e)return[this.getY().isEven()?2:3].concat(r);return[4].concat(r,this.getY().toArray("be",t))};h.prototype.encode=function _(e,t){return a.encode(this._encode(t),e)};h.prototype.precompute=function S(e){if(this.precomputed)return this;var t={doubles:null,naf:null,beta:null};t.naf=this._getNAFPoints(8);t.doubles=this._getDoubles(4,e);t.beta=this._getBeta();this.precomputed=t;return this};h.prototype._hasDoubles=function E(e){if(!this.precomputed)return false;var t=this.precomputed.doubles;if(!t)return false;return t.points.length>=Math.ceil((e.bitLength()+1)/t.step)};h.prototype._getDoubles=function B(e,t){if(this.precomputed&&this.precomputed.doubles)return this.precomputed.doubles;var r=[this];var i=this;for(var n=0;n<t;n+=e){for(var a=0;a<e;a++)i=i.dbl();r.push(i)}return{step:e,points:r}};h.prototype._getNAFPoints=function A(e){if(this.precomputed&&this.precomputed.naf)return this.precomputed.naf;var t=[this];var r=(1<<e)-1;var i=r===1?null:this.dbl();for(var n=1;n<r;n++)t[n]=t[n-1].add(i);return{wnd:e,points:t}};h.prototype._getBeta=function I(){return null};h.prototype.dblp=function k(e){var t=this;for(var r=0;r<e;r++)t=t.dbl();return t}},{"../../elliptic":65,"bn.js":17}],67:[function(e,t,r){"use strict";var i=e("../curve");var n=e("../../elliptic");var a=e("bn.js");var f=e("inherits");var s=i.base;var o=n.utils.assert;function c(e){this.twisted=(e.a|0)!==1;this.mOneA=this.twisted&&(e.a|0)===-1;this.extended=this.mOneA;s.call(this,"edwards",e);this.a=new a(e.a,16).umod(this.red.m);this.a=this.a.toRed(this.red);this.c=new a(e.c,16).toRed(this.red);this.c2=this.c.redSqr();this.d=new a(e.d,16).toRed(this.red);this.dd=this.d.redAdd(this.d);o(!this.twisted||this.c.fromRed().cmpn(1)===0);this.oneC=(e.c|0)===1}f(c,s);t.exports=c;c.prototype._mulA=function d(e){if(this.mOneA)return e.redNeg();else return this.a.redMul(e)};c.prototype._mulC=function u(e){if(this.oneC)return e;else return this.c.redMul(e)};c.prototype.jpoint=function l(e,t,r,i){return this.point(e,t,r,i)};c.prototype.pointFromX=function p(e,t){e=new a(e,16);if(!e.red)e=e.toRed(this.red);var r=e.redSqr();var i=this.c2.redSub(this.a.redMul(r));var n=this.one.redSub(this.c2.redMul(this.d).redMul(r));var f=i.redMul(n.redInvm()).redSqrt();var s=f.fromRed().isOdd();if(t&&!s||!t&&s)f=f.redNeg();return this.point(e,f)};c.prototype.pointFromY=function b(e,t){e=new a(e,16);if(!e.red)e=e.toRed(this.red);var r=e.redSqr();var i=r.redSub(this.one);var n=r.redMul(this.d).redAdd(this.one);var f=i.redMul(n.redInvm());if(f.cmp(this.zero)===0){if(t)throw new Error("invalid point");else return this.point(this.zero,e)}var s=f.redSqrt();if(s.redSqr().redSub(f).cmp(this.zero)!==0)throw new Error("invalid point");if(s.isOdd()!==t)s=s.redNeg();return this.point(s,e)};c.prototype.validate=function v(e){if(e.isInfinity())return true;e.normalize();var t=e.x.redSqr();var r=e.y.redSqr();var i=t.redMul(this.a).redAdd(r);var n=this.c2.redMul(this.one.redAdd(this.d.redMul(t).redMul(r)));return i.cmp(n)===0};function h(e,t,r,i,n){s.BasePoint.call(this,e,"projective");if(t===null&&r===null&&i===null){this.x=this.curve.zero;this.y=this.curve.one;this.z=this.curve.one;this.t=this.curve.zero;this.zOne=true}else{this.x=new a(t,16);this.y=new a(r,16);this.z=i?new a(i,16):this.curve.one;this.t=n&&new a(n,16);if(!this.x.red)this.x=this.x.toRed(this.curve.red);if(!this.y.red)this.y=this.y.toRed(this.curve.red);if(!this.z.red)this.z=this.z.toRed(this.curve.red);if(this.t&&!this.t.red)this.t=this.t.toRed(this.curve.red);this.zOne=this.z===this.curve.one;if(this.curve.extended&&!this.t){this.t=this.x.redMul(this.y);if(!this.zOne)this.t=this.t.redMul(this.z.redInvm())}}}f(h,s.BasePoint);c.prototype.pointFromJSON=function y(e){return h.fromJSON(this,e)};c.prototype.point=function g(e,t,r,i){return new h(this,e,t,r,i)};h.fromJSON=function m(e,t){return new h(e,t[0],t[1],t[2])};h.prototype.inspect=function w(){if(this.isInfinity())return"<EC Point Infinity>";return"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"};h.prototype.isInfinity=function _(){return this.x.cmpn(0)===0&&this.y.cmp(this.z)===0};h.prototype._extDbl=function S(){var e=this.x.redSqr();var t=this.y.redSqr();var r=this.z.redSqr();r=r.redIAdd(r);var i=this.curve._mulA(e);var n=this.x.redAdd(this.y).redSqr().redISub(e).redISub(t);var a=i.redAdd(t);var f=a.redSub(r);var s=i.redSub(t);var o=n.redMul(f);var c=a.redMul(s);var h=n.redMul(s);var d=f.redMul(a);return this.curve.point(o,c,d,h)};h.prototype._projDbl=function E(){var e=this.x.redAdd(this.y).redSqr();var t=this.x.redSqr();var r=this.y.redSqr();var i;var n;var a;if(this.curve.twisted){var f=this.curve._mulA(t);var s=f.redAdd(r);if(this.zOne){i=e.redSub(t).redSub(r).redMul(s.redSub(this.curve.two));n=s.redMul(f.redSub(r));a=s.redSqr().redSub(s).redSub(s)}else{var o=this.z.redSqr();var c=s.redSub(o).redISub(o);i=e.redSub(t).redISub(r).redMul(c);n=s.redMul(f.redSub(r));a=s.redMul(c)}}else{var f=t.redAdd(r);var o=this.curve._mulC(this.c.redMul(this.z)).redSqr();var c=f.redSub(o).redSub(o);i=this.curve._mulC(e.redISub(f)).redMul(c);n=this.curve._mulC(f).redMul(t.redISub(r));a=f.redMul(c)}return this.curve.point(i,n,a)};h.prototype.dbl=function B(){if(this.isInfinity())return this;if(this.curve.extended)return this._extDbl();else return this._projDbl()};h.prototype._extAdd=function A(e){var t=this.y.redSub(this.x).redMul(e.y.redSub(e.x));var r=this.y.redAdd(this.x).redMul(e.y.redAdd(e.x));var i=this.t.redMul(this.curve.dd).redMul(e.t);var n=this.z.redMul(e.z.redAdd(e.z));var a=r.redSub(t);var f=n.redSub(i);var s=n.redAdd(i);var o=r.redAdd(t);var c=a.redMul(f);var h=s.redMul(o);var d=a.redMul(o);var u=f.redMul(s);return this.curve.point(c,h,u,d)};h.prototype._projAdd=function I(e){var t=this.z.redMul(e.z);var r=t.redSqr();var i=this.x.redMul(e.x);var n=this.y.redMul(e.y);var a=this.curve.d.redMul(i).redMul(n);var f=r.redSub(a);var s=r.redAdd(a);var o=this.x.redAdd(this.y).redMul(e.x.redAdd(e.y)).redISub(i).redISub(n);var c=t.redMul(f).redMul(o);var h;var d;if(this.curve.twisted){h=t.redMul(s).redMul(n.redSub(this.curve._mulA(i)));d=f.redMul(s)}else{h=t.redMul(s).redMul(n.redSub(i));d=this.curve._mulC(f).redMul(s)}return this.curve.point(c,h,d)};h.prototype.add=function k(e){if(this.isInfinity())return e;if(e.isInfinity())return this;if(this.curve.extended)return this._extAdd(e);else return this._projAdd(e)};h.prototype.mul=function x(e){if(this._hasDoubles(e))return this.curve._fixedNafMul(this,e);else return this.curve._wnafMul(this,e)};h.prototype.mulAdd=function R(e,t,r){return this.curve._wnafMulAdd(1,[this,t],[e,r],2)};h.prototype.normalize=function T(){if(this.zOne)return this;var e=this.z.redInvm();this.x=this.x.redMul(e);this.y=this.y.redMul(e);if(this.t)this.t=this.t.redMul(e);this.z=this.curve.one;this.zOne=true;return this};h.prototype.neg=function C(){return this.curve.point(this.x.redNeg(),this.y,this.z,this.t&&this.t.redNeg())};h.prototype.getX=function M(){this.normalize();return this.x.fromRed()};h.prototype.getY=function P(){this.normalize();return this.y.fromRed()};h.prototype.eq=function D(e){return this===e||this.getX().cmp(e.getX())===0&&this.getY().cmp(e.getY())===0};h.prototype.toP=h.prototype.normalize;h.prototype.mixedAdd=h.prototype.add},{"../../elliptic":65,"../curve":68,"bn.js":17,inherits:92}],68:[function(e,t,r){"use strict";var i=r;i.base=e("./base");i.short=e("./short");i.mont=e("./mont");i.edwards=e("./edwards")},{"./base":66,"./edwards":67,"./mont":69,"./short":70}],69:[function(e,t,r){"use strict";var i=e("../curve");var n=e("bn.js");var a=e("inherits");var f=i.base;var s=e("../../elliptic");var o=s.utils;function c(e){f.call(this,"mont",e);this.a=new n(e.a,16).toRed(this.red);this.b=new n(e.b,16).toRed(this.red);this.i4=new n(4).toRed(this.red).redInvm();this.two=new n(2).toRed(this.red);this.a24=this.i4.redMul(this.a.redAdd(this.two))}a(c,f);t.exports=c;c.prototype.validate=function d(e){var t=e.normalize().x;var r=t.redSqr();var i=r.redMul(t).redAdd(r.redMul(this.a)).redAdd(t);var n=i.redSqrt();return n.redSqr().cmp(i)===0};function h(e,t,r){f.BasePoint.call(this,e,"projective");if(t===null&&r===null){this.x=this.curve.one;this.z=this.curve.zero}else{this.x=new n(t,16);this.z=new n(r,16);if(!this.x.red)this.x=this.x.toRed(this.curve.red);if(!this.z.red)this.z=this.z.toRed(this.curve.red)}}a(h,f.BasePoint);c.prototype.decodePoint=function u(e,t){return this.point(o.toArray(e,t),1)};c.prototype.point=function l(e,t){return new h(this,e,t)};c.prototype.pointFromJSON=function p(e){return h.fromJSON(this,e)};h.prototype.precompute=function b(){};h.prototype._encode=function v(){return this.getX().toArray("be",this.curve.p.byteLength())};h.fromJSON=function y(e,t){return new h(e,t[0],t[1]||e.one)};h.prototype.inspect=function g(){if(this.isInfinity())return"<EC Point Infinity>";return"<EC Point x: "+this.x.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"};h.prototype.isInfinity=function m(){return this.z.cmpn(0)===0};h.prototype.dbl=function w(){var e=this.x.redAdd(this.z);var t=e.redSqr();var r=this.x.redSub(this.z);var i=r.redSqr();var n=t.redSub(i);var a=t.redMul(i);var f=n.redMul(i.redAdd(this.curve.a24.redMul(n)));return this.curve.point(a,f)};h.prototype.add=function _(){throw new Error("Not supported on Montgomery curve")};h.prototype.diffAdd=function S(e,t){var r=this.x.redAdd(this.z);var i=this.x.redSub(this.z);var n=e.x.redAdd(e.z);var a=e.x.redSub(e.z);var f=a.redMul(r);var s=n.redMul(i);var o=t.z.redMul(f.redAdd(s).redSqr());var c=t.x.redMul(f.redISub(s).redSqr());return this.curve.point(o,c)};h.prototype.mul=function E(e){var t=e.clone();var r=this;var i=this.curve.point(null,null);var n=this;for(var a=[];t.cmpn(0)!==0;t.iushrn(1))a.push(t.andln(1));for(var f=a.length-1;f>=0;f--){if(a[f]===0){r=r.diffAdd(i,n);i=i.dbl()}else{i=r.diffAdd(i,n);r=r.dbl()}}return i};h.prototype.mulAdd=function B(){throw new Error("Not supported on Montgomery curve")};h.prototype.eq=function A(e){return this.getX().cmp(e.getX())===0};h.prototype.normalize=function I(){this.x=this.x.redMul(this.z.redInvm());this.z=this.curve.one;return this};h.prototype.getX=function k(){this.normalize();return this.x.fromRed()}},{"../../elliptic":65,"../curve":68,"bn.js":17,inherits:92}],70:[function(e,t,r){"use strict";var i=e("../curve");var n=e("../../elliptic");var a=e("bn.js");var f=e("inherits");var s=i.base;var o=n.utils.assert;function c(e){s.call(this,"short",e);this.a=new a(e.a,16).toRed(this.red);this.b=new a(e.b,16).toRed(this.red);this.tinv=this.two.redInvm();this.zeroA=this.a.fromRed().cmpn(0)===0;this.threeA=this.a.fromRed().sub(this.p).cmpn(-3)===0;this.endo=this._getEndomorphism(e);this._endoWnafT1=new Array(4);this._endoWnafT2=new Array(4)}f(c,s);t.exports=c;c.prototype._getEndomorphism=function u(e){if(!this.zeroA||!this.g||!this.n||this.p.modn(3)!==1)return;var t;var r;if(e.beta){t=new a(e.beta,16).toRed(this.red)}else{var i=this._getEndoRoots(this.p);t=i[0].cmp(i[1])<0?i[0]:i[1];t=t.toRed(this.red)}if(e.lambda){r=new a(e.lambda,16)}else{var n=this._getEndoRoots(this.n);if(this.g.mul(n[0]).x.cmp(this.g.x.redMul(t))===0){r=n[0]}else{r=n[1];o(this.g.mul(r).x.cmp(this.g.x.redMul(t))===0)}}var f;if(e.basis){f=e.basis.map(function(e){return{a:new a(e.a,16),b:new a(e.b,16)}})}else{f=this._getEndoBasis(r)}return{beta:t,lambda:r,basis:f}};c.prototype._getEndoRoots=function l(e){var t=e===this.p?this.red:a.mont(e);var r=new a(2).toRed(t).redInvm();var i=r.redNeg();var n=new a(3).toRed(t).redNeg().redSqrt().redMul(r);var f=i.redAdd(n).fromRed();var s=i.redSub(n).fromRed();return[f,s]};c.prototype._getEndoBasis=function p(e){var t=this.n.ushrn(Math.floor(this.n.bitLength()/2));var r=e;var i=this.n.clone();var n=new a(1);var f=new a(0);var s=new a(0);var o=new a(1);var c;var h;var d;var u;var l;var p;var b;var v=0;var y;var g;while(r.cmpn(0)!==0){var m=i.div(r);y=i.sub(m.mul(r));g=s.sub(m.mul(n));var w=o.sub(m.mul(f));if(!d&&y.cmp(t)<0){c=b.neg();h=n;d=y.neg();u=g}else if(d&&++v===2){break}b=y;i=r;r=y;s=n;n=g;o=f;f=w}l=y.neg();p=g;var _=d.sqr().add(u.sqr());var S=l.sqr().add(p.sqr());if(S.cmp(_)>=0){l=c;p=h}if(d.negative){d=d.neg();u=u.neg()}if(l.negative){l=l.neg();p=p.neg()}return[{a:d,b:u},{a:l,b:p}]};c.prototype._endoSplit=function b(e){var t=this.endo.basis;var r=t[0];var i=t[1];var n=i.b.mul(e).divRound(this.n);var a=r.b.neg().mul(e).divRound(this.n);var f=n.mul(r.a);var s=a.mul(i.a);var o=n.mul(r.b);var c=a.mul(i.b);var h=e.sub(f).sub(s);var d=o.add(c).neg();return{k1:h,k2:d}};c.prototype.pointFromX=function v(e,t){e=new a(e,16);if(!e.red)e=e.toRed(this.red);var r=e.redSqr().redMul(e).redIAdd(e.redMul(this.a)).redIAdd(this.b);var i=r.redSqrt();var n=i.fromRed().isOdd();if(t&&!n||!t&&n)i=i.redNeg();return this.point(e,i)};c.prototype.validate=function y(e){if(e.inf)return true;var t=e.x;var r=e.y;var i=this.a.redMul(t);var n=t.redSqr().redMul(t).redIAdd(i).redIAdd(this.b);return r.redSqr().redISub(n).cmpn(0)===0};c.prototype._endoWnafMulAdd=function g(e,t){var r=this._endoWnafT1;var i=this._endoWnafT2;for(var n=0;n<e.length;n++){var a=this._endoSplit(t[n]);var f=e[n];var s=f._getBeta();if(a.k1.negative){a.k1.ineg();f=f.neg(true)}if(a.k2.negative){a.k2.ineg();s=s.neg(true)}r[n*2]=f;r[n*2+1]=s;i[n*2]=a.k1;i[n*2+1]=a.k2}var o=this._wnafMulAdd(1,r,i,n*2);for(var c=0;c<n*2;c++){r[c]=null;i[c]=null}return o};function h(e,t,r,i){s.BasePoint.call(this,e,"affine");if(t===null&&r===null){this.x=null;this.y=null;this.inf=true}else{this.x=new a(t,16);this.y=new a(r,16);if(i){this.x.forceRed(this.curve.red);this.y.forceRed(this.curve.red)}if(!this.x.red)this.x=this.x.toRed(this.curve.red);if(!this.y.red)this.y=this.y.toRed(this.curve.red);this.inf=false}}f(h,s.BasePoint);c.prototype.point=function m(e,t,r){return new h(this,e,t,r)};c.prototype.pointFromJSON=function w(e,t){return h.fromJSON(this,e,t)};h.prototype._getBeta=function _(){if(!this.curve.endo)return;var e=this.precomputed;if(e&&e.beta)return e.beta;var t=this.curve.point(this.x.redMul(this.curve.endo.beta),this.y);if(e){var r=this.curve;var i=function(e){return r.point(e.x.redMul(r.endo.beta),e.y)};e.beta=t;t.precomputed={beta:null,naf:e.naf&&{wnd:e.naf.wnd,points:e.naf.points.map(i)},doubles:e.doubles&&{step:e.doubles.step,points:e.doubles.points.map(i)}}}return t};h.prototype.toJSON=function S(){if(!this.precomputed)return[this.x,this.y];return[this.x,this.y,this.precomputed&&{doubles:this.precomputed.doubles&&{step:this.precomputed.doubles.step,points:this.precomputed.doubles.points.slice(1)},naf:this.precomputed.naf&&{wnd:this.precomputed.naf.wnd,points:this.precomputed.naf.points.slice(1)}}]};h.fromJSON=function E(e,t,r){if(typeof t==="string")t=JSON.parse(t);var i=e.point(t[0],t[1],r);if(!t[2])return i;function n(t){return e.point(t[0],t[1],r)}var a=t[2];i.precomputed={beta:null,doubles:a.doubles&&{step:a.doubles.step,points:[i].concat(a.doubles.points.map(n))},naf:a.naf&&{wnd:a.naf.wnd,points:[i].concat(a.naf.points.map(n))}};return i};h.prototype.inspect=function B(){if(this.isInfinity())return"<EC Point Infinity>";return"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+">"};h.prototype.isInfinity=function A(){return this.inf};h.prototype.add=function I(e){if(this.inf)return e;if(e.inf)return this;if(this.eq(e))return this.dbl();if(this.neg().eq(e))return this.curve.point(null,null);if(this.x.cmp(e.x)===0)return this.curve.point(null,null);var t=this.y.redSub(e.y);if(t.cmpn(0)!==0)t=t.redMul(this.x.redSub(e.x).redInvm());var r=t.redSqr().redISub(this.x).redISub(e.x);var i=t.redMul(this.x.redSub(r)).redISub(this.y);return this.curve.point(r,i)};h.prototype.dbl=function k(){if(this.inf)return this;var e=this.y.redAdd(this.y);if(e.cmpn(0)===0)return this.curve.point(null,null);var t=this.curve.a;var r=this.x.redSqr();var i=e.redInvm();var n=r.redAdd(r).redIAdd(r).redIAdd(t).redMul(i);var a=n.redSqr().redISub(this.x.redAdd(this.x));var f=n.redMul(this.x.redSub(a)).redISub(this.y);return this.curve.point(a,f)};h.prototype.getX=function x(){return this.x.fromRed()};h.prototype.getY=function R(){return this.y.fromRed()};h.prototype.mul=function T(e){e=new a(e,16);if(this._hasDoubles(e))return this.curve._fixedNafMul(this,e);else if(this.curve.endo)return this.curve._endoWnafMulAdd([this],[e]);else return this.curve._wnafMul(this,e)};h.prototype.mulAdd=function C(e,t,r){var i=[this,t];var n=[e,r];if(this.curve.endo)return this.curve._endoWnafMulAdd(i,n);else return this.curve._wnafMulAdd(1,i,n,2)};h.prototype.eq=function M(e){return this===e||this.inf===e.inf&&(this.inf||this.x.cmp(e.x)===0&&this.y.cmp(e.y)===0)};h.prototype.neg=function P(e){if(this.inf)return this;var t=this.curve.point(this.x,this.y.redNeg());if(e&&this.precomputed){var r=this.precomputed;var i=function(e){return e.neg()};t.precomputed={naf:r.naf&&{wnd:r.naf.wnd,points:r.naf.points.map(i)},doubles:r.doubles&&{step:r.doubles.step,points:r.doubles.points.map(i)}}}return t};h.prototype.toJ=function D(){if(this.inf)return this.curve.jpoint(null,null,null);var e=this.curve.jpoint(this.x,this.y,this.curve.one);return e};function d(e,t,r,i){s.BasePoint.call(this,e,"jacobian");if(t===null&&r===null&&i===null){this.x=this.curve.one;this.y=this.curve.one;this.z=new a(0)}else{this.x=new a(t,16);this.y=new a(r,16);this.z=new a(i,16)}if(!this.x.red)this.x=this.x.toRed(this.curve.red);if(!this.y.red)this.y=this.y.toRed(this.curve.red);if(!this.z.red)this.z=this.z.toRed(this.curve.red);this.zOne=this.z===this.curve.one}f(d,s.BasePoint);c.prototype.jpoint=function L(e,t,r){return new d(this,e,t,r)};d.prototype.toP=function j(){if(this.isInfinity())return this.curve.point(null,null);var e=this.z.redInvm();var t=e.redSqr();var r=this.x.redMul(t);var i=this.y.redMul(t).redMul(e);return this.curve.point(r,i)};d.prototype.neg=function q(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)};d.prototype.add=function N(e){if(this.isInfinity())return e;if(e.isInfinity())return this;var t=e.z.redSqr();var r=this.z.redSqr();var i=this.x.redMul(t);var n=e.x.redMul(r);var a=this.y.redMul(t.redMul(e.z));var f=e.y.redMul(r.redMul(this.z));var s=i.redSub(n);var o=a.redSub(f);if(s.cmpn(0)===0){if(o.cmpn(0)!==0)return this.curve.jpoint(null,null,null);else return this.dbl()}var c=s.redSqr();var h=c.redMul(s);var d=i.redMul(c);var u=o.redSqr().redIAdd(h).redISub(d).redISub(d);var l=o.redMul(d.redISub(u)).redISub(a.redMul(h));var p=this.z.redMul(e.z).redMul(s);return this.curve.jpoint(u,l,p)};d.prototype.mixedAdd=function O(e){if(this.isInfinity())return e.toJ();if(e.isInfinity())return this;var t=this.z.redSqr();var r=this.x;var i=e.x.redMul(t);var n=this.y;var a=e.y.redMul(t).redMul(this.z);var f=r.redSub(i);var s=n.redSub(a);if(f.cmpn(0)===0){if(s.cmpn(0)!==0)return this.curve.jpoint(null,null,null);else return this.dbl()}var o=f.redSqr();var c=o.redMul(f);var h=r.redMul(o);var d=s.redSqr().redIAdd(c).redISub(h).redISub(h);
-var u=s.redMul(h.redISub(d)).redISub(n.redMul(c));var l=this.z.redMul(f);return this.curve.jpoint(d,u,l)};d.prototype.dblp=function U(e){if(e===0)return this;if(this.isInfinity())return this;if(!e)return this.dbl();if(this.curve.zeroA||this.curve.threeA){var t=this;for(var r=0;r<e;r++)t=t.dbl();return t}var i=this.curve.a;var n=this.curve.tinv;var a=this.x;var f=this.y;var s=this.z;var o=s.redSqr().redSqr();var c=f.redAdd(f);for(var r=0;r<e;r++){var h=a.redSqr();var d=c.redSqr();var u=d.redSqr();var l=h.redAdd(h).redIAdd(h).redIAdd(i.redMul(o));var p=a.redMul(d);var b=l.redSqr().redISub(p.redAdd(p));var v=p.redISub(b);var y=l.redMul(v);y=y.redIAdd(y).redISub(u);var g=c.redMul(s);if(r+1<e)o=o.redMul(u);a=b;s=g;c=y}return this.curve.jpoint(a,c.redMul(n),s)};d.prototype.dbl=function z(){if(this.isInfinity())return this;if(this.curve.zeroA)return this._zeroDbl();else if(this.curve.threeA)return this._threeDbl();else return this._dbl()};d.prototype._zeroDbl=function K(){var e;var t;var r;if(this.zOne){var i=this.x.redSqr();var n=this.y.redSqr();var a=n.redSqr();var f=this.x.redAdd(n).redSqr().redISub(i).redISub(a);f=f.redIAdd(f);var s=i.redAdd(i).redIAdd(i);var o=s.redSqr().redISub(f).redISub(f);var c=a.redIAdd(a);c=c.redIAdd(c);c=c.redIAdd(c);e=o;t=s.redMul(f.redISub(o)).redISub(c);r=this.y.redAdd(this.y)}else{var h=this.x.redSqr();var d=this.y.redSqr();var u=d.redSqr();var l=this.x.redAdd(d).redSqr().redISub(h).redISub(u);l=l.redIAdd(l);var p=h.redAdd(h).redIAdd(h);var b=p.redSqr();var v=u.redIAdd(u);v=v.redIAdd(v);v=v.redIAdd(v);e=b.redISub(l).redISub(l);t=p.redMul(l.redISub(e)).redISub(v);r=this.y.redMul(this.z);r=r.redIAdd(r)}return this.curve.jpoint(e,t,r)};d.prototype._threeDbl=function F(){var e;var t;var r;if(this.zOne){var i=this.x.redSqr();var n=this.y.redSqr();var a=n.redSqr();var f=this.x.redAdd(n).redSqr().redISub(i).redISub(a);f=f.redIAdd(f);var s=i.redAdd(i).redIAdd(i).redIAdd(this.curve.a);var o=s.redSqr().redISub(f).redISub(f);e=o;var c=a.redIAdd(a);c=c.redIAdd(c);c=c.redIAdd(c);t=s.redMul(f.redISub(o)).redISub(c);r=this.y.redAdd(this.y)}else{var h=this.z.redSqr();var d=this.y.redSqr();var u=this.x.redMul(d);var l=this.x.redSub(h).redMul(this.x.redAdd(h));l=l.redAdd(l).redIAdd(l);var p=u.redIAdd(u);p=p.redIAdd(p);var b=p.redAdd(p);e=l.redSqr().redISub(b);r=this.y.redAdd(this.z).redSqr().redISub(d).redISub(h);var v=d.redSqr();v=v.redIAdd(v);v=v.redIAdd(v);v=v.redIAdd(v);t=l.redMul(p.redISub(e)).redISub(v)}return this.curve.jpoint(e,t,r)};d.prototype._dbl=function V(){var e=this.curve.a;var t=this.x;var r=this.y;var i=this.z;var n=i.redSqr().redSqr();var a=t.redSqr();var f=r.redSqr();var s=a.redAdd(a).redIAdd(a).redIAdd(e.redMul(n));var o=t.redAdd(t);o=o.redIAdd(o);var c=o.redMul(f);var h=s.redSqr().redISub(c.redAdd(c));var d=c.redISub(h);var u=f.redSqr();u=u.redIAdd(u);u=u.redIAdd(u);u=u.redIAdd(u);var l=s.redMul(d).redISub(u);var p=r.redAdd(r).redMul(i);return this.curve.jpoint(h,l,p)};d.prototype.trpl=function H(){if(!this.curve.zeroA)return this.dbl().add(this);var e=this.x.redSqr();var t=this.y.redSqr();var r=this.z.redSqr();var i=t.redSqr();var n=e.redAdd(e).redIAdd(e);var a=n.redSqr();var f=this.x.redAdd(t).redSqr().redISub(e).redISub(i);f=f.redIAdd(f);f=f.redAdd(f).redIAdd(f);f=f.redISub(a);var s=f.redSqr();var o=i.redIAdd(i);o=o.redIAdd(o);o=o.redIAdd(o);o=o.redIAdd(o);var c=n.redIAdd(f).redSqr().redISub(a).redISub(s).redISub(o);var h=t.redMul(c);h=h.redIAdd(h);h=h.redIAdd(h);var d=this.x.redMul(s).redISub(h);d=d.redIAdd(d);d=d.redIAdd(d);var u=this.y.redMul(c.redMul(o.redISub(c)).redISub(f.redMul(s)));u=u.redIAdd(u);u=u.redIAdd(u);u=u.redIAdd(u);var l=this.z.redAdd(f).redSqr().redISub(r).redISub(s);return this.curve.jpoint(d,u,l)};d.prototype.mul=function Y(e,t){e=new a(e,t);return this.curve._wnafMul(this,e)};d.prototype.eq=function X(e){if(e.type==="affine")return this.eq(e.toJ());if(this===e)return true;var t=this.z.redSqr();var r=e.z.redSqr();if(this.x.redMul(r).redISub(e.x.redMul(t)).cmpn(0)!==0)return false;var i=t.redMul(this.z);var n=r.redMul(e.z);return this.y.redMul(n).redISub(e.y.redMul(i)).cmpn(0)===0};d.prototype.inspect=function W(){if(this.isInfinity())return"<EC JPoint Infinity>";return"<EC JPoint x: "+this.x.toString(16,2)+" y: "+this.y.toString(16,2)+" z: "+this.z.toString(16,2)+">"};d.prototype.isInfinity=function G(){return this.z.cmpn(0)===0}},{"../../elliptic":65,"../curve":68,"bn.js":17,inherits:92}],71:[function(e,t,r){"use strict";var i=r;var n=e("hash.js");var a=e("../elliptic");var f=a.utils.assert;function s(e){if(e.type==="short")this.curve=new a.curve.short(e);else if(e.type==="edwards")this.curve=new a.curve.edwards(e);else this.curve=new a.curve.mont(e);this.g=this.curve.g;this.n=this.curve.n;this.hash=e.hash;f(this.g.validate(),"Invalid curve");f(this.g.mul(this.n).isInfinity(),"Invalid curve, G*N != O")}i.PresetCurve=s;function o(e,t){Object.defineProperty(i,e,{configurable:true,enumerable:true,get:function(){var r=new s(t);Object.defineProperty(i,e,{configurable:true,enumerable:true,value:r});return r}})}o("p192",{type:"short",prime:"p192",p:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff",a:"ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc",b:"64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1",n:"ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831",hash:n.sha256,gRed:false,g:["188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012","07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811"]});o("p224",{type:"short",prime:"p224",p:"ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001",a:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe",b:"b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4",n:"ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d",hash:n.sha256,gRed:false,g:["b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21","bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34"]});o("p256",{type:"short",prime:null,p:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff",a:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc",b:"5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b",n:"ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551",hash:n.sha256,gRed:false,g:["6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296","4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5"]});o("p384",{type:"short",prime:null,p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff "+"fffffffe ffffffff 00000000 00000000 ffffffff",a:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff "+"fffffffe ffffffff 00000000 00000000 fffffffc",b:"b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f "+"5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef",n:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 "+"f4372ddf 581a0db2 48b0a77a ecec196a ccc52973",hash:n.sha384,gRed:false,g:["aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 "+"5502f25d bf55296c 3a545e38 72760ab7","3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 "+"0a60b1ce 1d7e819d 7a431d7c 90ea0e5f"]});o("p521",{type:"short",prime:null,p:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff "+"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff "+"ffffffff ffffffff ffffffff ffffffff ffffffff",a:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff "+"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff "+"ffffffff ffffffff ffffffff ffffffff fffffffc",b:"00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b "+"99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd "+"3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00",n:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff "+"ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 "+"f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409",hash:n.sha512,gRed:false,g:["000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 "+"053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 "+"a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66","00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 "+"579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 "+"3fad0761 353c7086 a272c240 88be9476 9fd16650"]});o("curve25519",{type:"mont",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"76d06",b:"0",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:n.sha256,gRed:false,g:["9"]});o("ed25519",{type:"edwards",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"-1",c:"1",d:"52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:n.sha256,gRed:false,g:["216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a","6666666666666666666666666666666666666666666666666666666666666658"]});var c;try{c=e("./precomputed/secp256k1")}catch(h){c=undefined}o("secp256k1",{type:"short",prime:"k256",p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f",a:"0",b:"7",n:"ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141",h:"1",hash:n.sha256,beta:"7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee",lambda:"5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72",basis:[{a:"3086d221a7d46bcde86c90e49284eb15",b:"-e4437ed6010e88286f547fa90abfe4c3"},{a:"114ca50f7a8e2f3f657c1108d9d44cfd8",b:"3086d221a7d46bcde86c90e49284eb15"}],gRed:false,g:["79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8",c]})},{"../elliptic":65,"./precomputed/secp256k1":79,"hash.js":84}],72:[function(e,t,r){"use strict";var i=e("bn.js");var n=e("../../elliptic");var a=n.utils;var f=a.assert;var s=e("./key");var o=e("./signature");function c(e){if(!(this instanceof c))return new c(e);if(typeof e==="string"){f(n.curves.hasOwnProperty(e),"Unknown curve "+e);e=n.curves[e]}if(e instanceof n.curves.PresetCurve)e={curve:e};this.curve=e.curve.curve;this.n=this.curve.n;this.nh=this.n.ushrn(1);this.g=this.curve.g;this.g=e.curve.g;this.g.precompute(e.curve.n.bitLength()+1);this.hash=e.hash||e.curve.hash}t.exports=c;c.prototype.keyPair=function h(e){return new s(this,e)};c.prototype.keyFromPrivate=function d(e,t){return s.fromPrivate(this,e,t)};c.prototype.keyFromPublic=function u(e,t){return s.fromPublic(this,e,t)};c.prototype.genKeyPair=function l(e){if(!e)e={};var t=new n.hmacDRBG({hash:this.hash,pers:e.pers,entropy:e.entropy||n.rand(this.hash.hmacStrength),nonce:this.n.toArray()});var r=this.n.byteLength();var a=this.n.sub(new i(2));do{var f=new i(t.generate(r));if(f.cmp(a)>0)continue;f.iaddn(1);return this.keyFromPrivate(f)}while(true)};c.prototype._truncateToN=function p(e,t){var r=e.byteLength()*8-this.n.bitLength();if(r>0)e=e.ushrn(r);if(!t&&e.cmp(this.n)>=0)return e.sub(this.n);else return e};c.prototype.sign=function b(e,t,r,a){if(typeof r==="object"){a=r;r=null}if(!a)a={};t=this.keyFromPrivate(t,r);e=this._truncateToN(new i(e,16));var f=this.n.byteLength();var s=t.getPrivate().toArray();for(var c=s.length;c<f;c++)s.unshift(0);var h=e.toArray();for(var c=h.length;c<f;c++)h.unshift(0);var d=new n.hmacDRBG({hash:this.hash,entropy:s,nonce:h});var u=this.n.sub(new i(1));do{var l=new i(d.generate(this.n.byteLength()));l=this._truncateToN(l,true);if(l.cmpn(1)<=0||l.cmp(u)>=0)continue;var p=this.g.mul(l);if(p.isInfinity())continue;var b=p.getX();var v=b.umod(this.n);if(v.cmpn(0)===0)continue;var y=l.invm(this.n).mul(v.mul(t.getPrivate()).iadd(e));y=y.umod(this.n);if(y.cmpn(0)===0)continue;var g=(p.getY().isOdd()?1:0)|(b.cmp(v)!==0?2:0);if(a.canonical&&y.cmp(this.nh)>0){y=this.n.sub(y);g^=1}return new o({r:v,s:y,recoveryParam:g})}while(true)};c.prototype.verify=function v(e,t,r,n){e=this._truncateToN(new i(e,16));r=this.keyFromPublic(r,n);t=new o(t,"hex");var a=t.r;var f=t.s;if(a.cmpn(1)<0||a.cmp(this.n)>=0)return false;if(f.cmpn(1)<0||f.cmp(this.n)>=0)return false;var s=f.invm(this.n);var c=s.mul(e).umod(this.n);var h=s.mul(a).umod(this.n);var d=this.g.mulAdd(c,r.getPublic(),h);if(d.isInfinity())return false;return d.getX().umod(this.n).cmp(a)===0};c.prototype.recoverPubKey=function(e,t,r,n){f((3&r)===r,"The recovery param is more than two bits");t=new o(t,n);var a=this.n;var s=new i(e);var c=t.r;var h=t.s;var d=r&1;var u=r>>1;if(c.cmp(this.curve.p.umod(this.curve.n))>=0&&u)throw new Error("Unable to find sencond key candinate");if(u)c=this.curve.pointFromX(c.add(this.curve.n),d);else c=this.curve.pointFromX(c,d);var l=a.sub(s);var p=t.r.invm(a);return c.mul(h).add(this.g.mul(l)).mul(p)};c.prototype.getKeyRecoveryParam=function(e,t,r,i){t=new o(t,i);if(t.recoveryParam!==null)return t.recoveryParam;for(var n=0;n<4;n++){var a=this.recoverPubKey(e,t,n);if(a.eq(r))return n}throw new Error("Unable to find valid recovery factor")}},{"../../elliptic":65,"./key":73,"./signature":74,"bn.js":17}],73:[function(e,t,r){"use strict";var i=e("bn.js");function n(e,t){this.ec=e;this.priv=null;this.pub=null;if(t.priv)this._importPrivate(t.priv,t.privEnc);if(t.pub)this._importPublic(t.pub,t.pubEnc)}t.exports=n;n.fromPublic=function a(e,t,r){if(t instanceof n)return t;return new n(e,{pub:t,pubEnc:r})};n.fromPrivate=function f(e,t,r){if(t instanceof n)return t;return new n(e,{priv:t,privEnc:r})};n.prototype.validate=function s(){var e=this.getPublic();if(e.isInfinity())return{result:false,reason:"Invalid public key"};if(!e.validate())return{result:false,reason:"Public key is not a point"};if(!e.mul(this.ec.curve.n).isInfinity())return{result:false,reason:"Public key * N != O"};return{result:true,reason:null}};n.prototype.getPublic=function o(e,t){if(typeof e==="string"){t=e;e=null}if(!this.pub)this.pub=this.ec.g.mul(this.priv);if(!t)return this.pub;return this.pub.encode(t,e)};n.prototype.getPrivate=function c(e){if(e==="hex")return this.priv.toString(16,2);else return this.priv};n.prototype._importPrivate=function h(e,t){this.priv=new i(e,t||16);this.priv=this.priv.umod(this.ec.curve.n)};n.prototype._importPublic=function d(e,t){if(e.x||e.y){this.pub=this.ec.curve.point(e.x,e.y);return}this.pub=this.ec.curve.decodePoint(e,t)};n.prototype.derive=function u(e){return e.mul(this.priv).getX()};n.prototype.sign=function l(e,t,r){return this.ec.sign(e,this,t,r)};n.prototype.verify=function p(e,t){return this.ec.verify(e,t,this)};n.prototype.inspect=function b(){return"<Key priv: "+(this.priv&&this.priv.toString(16,2))+" pub: "+(this.pub&&this.pub.inspect())+" >"}},{"bn.js":17}],74:[function(e,t,r){"use strict";var i=e("bn.js");var n=e("../../elliptic");var a=n.utils;var f=a.assert;function s(e,t){if(e instanceof s)return e;if(this._importDER(e,t))return;f(e.r&&e.s,"Signature without r or s");this.r=new i(e.r,16);this.s=new i(e.s,16);if(e.recoveryParam!==null)this.recoveryParam=e.recoveryParam;else this.recoveryParam=null}t.exports=s;function o(){this.place=0}function c(e,t){var r=e[t.place++];if(!(r&128)){return r}var i=r&15;var n=0;for(var a=0,f=t.place;a<i;a++,f++){n<<=8;n|=e[f]}t.place=f;return n}function h(e){var t=0;var r=e.length-1;while(!e[t]&&!(e[t+1]&128)&&t<r){t++}if(t===0){return e}return e.slice(t)}s.prototype._importDER=function u(e,t){e=a.toArray(e,t);var r=new o;if(e[r.place++]!==48){return false}var n=c(e,r);if(n+r.place!==e.length){return false}if(e[r.place++]!==2){return false}var f=c(e,r);var s=e.slice(r.place,f+r.place);r.place+=f;if(e[r.place++]!==2){return false}var h=c(e,r);if(e.length!==h+r.place){return false}var d=e.slice(r.place,h+r.place);if(s[0]===0&&s[1]&128){s=s.slice(1)}if(d[0]===0&&d[1]&128){d=d.slice(1)}this.r=new i(s);this.s=new i(d);this.recoveryParam=null;return true};function d(e,t){if(t<128){e.push(t);return}var r=1+(Math.log(t)/Math.LN2>>>3);e.push(r|128);while(--r){e.push(t>>>(r<<3)&255)}e.push(t)}s.prototype.toDER=function l(e){var t=this.r.toArray();var r=this.s.toArray();if(t[0]&128)t=[0].concat(t);if(r[0]&128)r=[0].concat(r);t=h(t);r=h(r);while(!r[0]&&!(r[1]&128)){r=r.slice(1)}var i=[2];d(i,t.length);i=i.concat(t);i.push(2);d(i,r.length);var n=i.concat(r);var f=[48];d(f,n.length);f=f.concat(n);return a.encode(f,e)}},{"../../elliptic":65,"bn.js":17}],75:[function(e,t,r){"use strict";var i=e("hash.js");var n=e("../../elliptic");var a=n.utils;var f=a.assert;var s=a.parseBytes;var o=e("./key");var c=e("./signature");function h(e){f(e==="ed25519","only tested with ed25519 so far");if(!(this instanceof h))return new h(e);var e=n.curves[e].curve;this.curve=e;this.g=e.g;this.g.precompute(e.n.bitLength()+1);this.pointClass=e.point().constructor;this.encodingLength=Math.ceil(e.n.bitLength()/8);this.hash=i.sha512}t.exports=h;h.prototype.sign=function d(e,t){e=s(e);var r=this.keyFromSecret(t);var i=this.hashInt(r.messagePrefix(),e);var n=this.g.mul(i);var a=this.encodePoint(n);var f=this.hashInt(a,r.pubBytes(),e).mul(r.priv());var o=i.add(f).umod(this.curve.n);return this.makeSignature({R:n,S:o,Rencoded:a})};h.prototype.verify=function u(e,t,r){e=s(e);t=this.makeSignature(t);var i=this.keyFromPublic(r);var n=this.hashInt(t.Rencoded(),i.pubBytes(),e);var a=this.g.mul(t.S());var f=t.R().add(i.pub().mul(n));return f.eq(a)};h.prototype.hashInt=function l(){var e=this.hash();for(var t=0;t<arguments.length;t++)e.update(arguments[t]);return a.intFromLE(e.digest()).umod(this.curve.n)};h.prototype.keyFromPublic=function p(e){return o.fromPublic(this,e)};h.prototype.keyFromSecret=function b(e){return o.fromSecret(this,e)};h.prototype.makeSignature=function v(e){if(e instanceof c)return e;return new c(this,e)};h.prototype.encodePoint=function y(e){var t=e.getY().toArray("le",this.encodingLength);t[this.encodingLength-1]|=e.getX().isOdd()?128:0;return t};h.prototype.decodePoint=function g(e){e=a.parseBytes(e);var t=e.length-1;var r=e.slice(0,t).concat(e[t]&~128);var i=(e[t]&128)!==0;var n=a.intFromLE(r);return this.curve.pointFromY(n,i)};h.prototype.encodeInt=function m(e){return e.toArray("le",this.encodingLength)};h.prototype.decodeInt=function w(e){return a.intFromLE(e)};h.prototype.isPoint=function _(e){return e instanceof this.pointClass}},{"../../elliptic":65,"./key":76,"./signature":77,"hash.js":84}],76:[function(e,t,r){"use strict";var i=e("../../elliptic");var n=i.utils;var a=n.assert;var f=n.parseBytes;var s=n.cachedProperty;function o(e,t){this.eddsa=e;this._secret=f(t.secret);if(e.isPoint(t.pub))this._pub=t.pub;else this._pubBytes=f(t.pub)}o.fromPublic=function c(e,t){if(t instanceof o)return t;return new o(e,{pub:t})};o.fromSecret=function h(e,t){if(t instanceof o)return t;return new o(e,{secret:t})};o.prototype.secret=function d(){return this._secret};s(o,function u(){return this.eddsa.encodePoint(this.pub())});s(o,function l(){if(this._pubBytes)return this.eddsa.decodePoint(this._pubBytes);return this.eddsa.g.mul(this.priv())});s(o,function p(){var e=this.eddsa;var t=this.hash();var r=e.encodingLength-1;var i=t.slice(0,e.encodingLength);i[0]&=248;i[r]&=127;i[r]|=64;return i});s(o,function b(){return this.eddsa.decodeInt(this.privBytes())});s(o,function v(){return this.eddsa.hash().update(this.secret()).digest()});s(o,function y(){return this.hash().slice(this.eddsa.encodingLength)});o.prototype.sign=function g(e){a(this._secret,"KeyPair can only verify");return this.eddsa.sign(e,this)};o.prototype.verify=function m(e,t){return this.eddsa.verify(e,t,this)};o.prototype.getSecret=function w(e){a(this._secret,"KeyPair is public only");return n.encode(this.secret(),e)};o.prototype.getPublic=function _(e){return n.encode(this.pubBytes(),e)};t.exports=o},{"../../elliptic":65}],77:[function(e,t,r){"use strict";var i=e("bn.js");var n=e("../../elliptic");var a=n.utils;var f=a.assert;var s=a.cachedProperty;var o=a.parseBytes;function c(e,t){this.eddsa=e;if(typeof t!=="object")t=o(t);if(Array.isArray(t)){t={R:t.slice(0,e.encodingLength),S:t.slice(e.encodingLength)}}f(t.R&&t.S,"Signature without R or S");if(e.isPoint(t.R))this._R=t.R;if(t.S instanceof i)this._S=t.S;this._Rencoded=Array.isArray(t.R)?t.R:t.Rencoded;this._Sencoded=Array.isArray(t.S)?t.S:t.Sencoded}s(c,function h(){return this.eddsa.decodeInt(this.Sencoded())});s(c,function d(){return this.eddsa.decodePoint(this.Rencoded())});s(c,function u(){return this.eddsa.encodePoint(this.R())});s(c,function l(){return this.eddsa.encodeInt(this.S())});c.prototype.toBytes=function p(){return this.Rencoded().concat(this.Sencoded())};c.prototype.toHex=function b(){return a.encode(this.toBytes(),"hex").toUpperCase()};t.exports=c},{"../../elliptic":65,"bn.js":17}],78:[function(e,t,r){"use strict";var i=e("hash.js");var n=e("../elliptic");var a=n.utils;var f=a.assert;function s(e){if(!(this instanceof s))return new s(e);this.hash=e.hash;this.predResist=!!e.predResist;this.outLen=this.hash.outSize;this.minEntropy=e.minEntropy||this.hash.hmacStrength;this.reseed=null;this.reseedInterval=null;this.K=null;this.V=null;var t=a.toArray(e.entropy,e.entropyEnc);var r=a.toArray(e.nonce,e.nonceEnc);var i=a.toArray(e.pers,e.persEnc);f(t.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits");this._init(t,r,i)}t.exports=s;s.prototype._init=function o(e,t,r){var i=e.concat(t).concat(r);this.K=new Array(this.outLen/8);this.V=new Array(this.outLen/8);for(var n=0;n<this.V.length;n++){this.K[n]=0;this.V[n]=1}this._update(i);this.reseed=1;this.reseedInterval=281474976710656};s.prototype._hmac=function c(){return new i.hmac(this.hash,this.K)};s.prototype._update=function h(e){var t=this._hmac().update(this.V).update([0]);if(e)t=t.update(e);this.K=t.digest();this.V=this._hmac().update(this.V).digest();if(!e)return;this.K=this._hmac().update(this.V).update([1]).update(e).digest();this.V=this._hmac().update(this.V).digest()};s.prototype.reseed=function d(e,t,r,i){if(typeof t!=="string"){i=r;r=t;t=null}e=a.toBuffer(e,t);r=a.toBuffer(r,i);f(e.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits");this._update(e.concat(r||[]));this.reseed=1};s.prototype.generate=function u(e,t,r,i){if(this.reseed>this.reseedInterval)throw new Error("Reseed is required");if(typeof t!=="string"){i=r;r=t;t=null}if(r){r=a.toArray(r,i);this._update(r)}var n=[];while(n.length<e){this.V=this._hmac().update(this.V).digest();n=n.concat(this.V)}var f=n.slice(0,e);this._update(r);this.reseed++;return 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r=this.data;while(t>0){if(t&1){r+=e}t>>>=1;if(t>0){e+=e}}this.data=r};s.ByteBuffer.prototype.putBytes=function(e){this.data+=e};s.ByteBuffer.prototype.putString=function(e){this.data+=s.encodeUtf8(e)};s.ByteBuffer.prototype.putInt16=function(e){this.data+=String.fromCharCode(e>>8&255)+String.fromCharCode(e&255)};s.ByteBuffer.prototype.putInt24=function(e){this.data+=String.fromCharCode(e>>16&255)+String.fromCharCode(e>>8&255)+String.fromCharCode(e&255)};s.ByteBuffer.prototype.putInt32=function(e){this.data+=String.fromCharCode(e>>24&255)+String.fromCharCode(e>>16&255)+String.fromCharCode(e>>8&255)+String.fromCharCode(e&255)};s.ByteBuffer.prototype.putInt16Le=function(e){this.data+=String.fromCharCode(e&255)+String.fromCharCode(e>>8&255)};s.ByteBuffer.prototype.putInt24Le=function(e){this.data+=String.fromCharCode(e&255)+String.fromCharCode(e>>8&255)+String.fromCharCode(e>>16&255)};s.ByteBuffer.prototype.putInt32Le=function(e){this.data+=String.fromCharCode(e&255)+String.fromCharCode(e>>8&255)+String.fromCharCode(e>>16&255)+String.fromCharCode(e>>24&255)};s.ByteBuffer.prototype.putInt=function(e,t){do{t-=8;this.data+=String.fromCharCode(e>>t&255)}while(t>0)};s.ByteBuffer.prototype.putBuffer=function(e){this.data+=e.getBytes()};s.ByteBuffer.prototype.getByte=function(){return this.data.charCodeAt(this.read++)};s.ByteBuffer.prototype.getInt16=function(){var e=this.data.charCodeAt(this.read)<<8^this.data.charCodeAt(this.read+1);this.read+=2;return e};s.ByteBuffer.prototype.getInt24=function(){var e=this.data.charCodeAt(this.read)<<16^this.data.charCodeAt(this.read+1)<<8^this.data.charCodeAt(this.read+2);this.read+=3;return e};s.ByteBuffer.prototype.getInt32=function(){var e=this.data.charCodeAt(this.read)<<24^this.data.charCodeAt(this.read+1)<<16^this.data.charCodeAt(this.read+2)<<8^this.data.charCodeAt(this.read+3);this.read+=4;return e};s.ByteBuffer.prototype.getInt16Le=function(){var e=this.data.charCodeAt(this.read)^this.data.charCodeAt(this.read+1)<<8;this.read+=2;return e};s.ByteBuffer.prototype.getInt24Le=function(){var e=this.data.charCodeAt(this.read)^this.data.charCodeAt(this.read+1)<<8^this.data.charCodeAt(this.read+2)<<16;this.read+=3;return e};s.ByteBuffer.prototype.getInt32Le=function(){var e=this.data.charCodeAt(this.read)^this.data.charCodeAt(this.read+1)<<8^this.data.charCodeAt(this.read+2)<<16^this.data.charCodeAt(this.read+3)<<24;this.read+=4;return e};s.ByteBuffer.prototype.getInt=function(e){var t=0;do{t=(t<<e)+this.data.charCodeAt(this.read++);
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e};s.ByteBuffer.prototype.compact=function(){if(this.read>0){this.data=this.data.slice(this.read);this.read=0}};s.ByteBuffer.prototype.clear=function(){this.data="";this.read=0};s.ByteBuffer.prototype.truncate=function(e){var t=Math.max(0,this.length()-e);this.data=this.data.substr(this.read,t);this.read=0};s.ByteBuffer.prototype.toHex=function(){var e="";for(var t=this.read;t<this.data.length;++t){var r=this.data.charCodeAt(t);if(r<16){e+="0"}e+=r.toString(16)}return e};s.ByteBuffer.prototype.toString=function(){return s.decodeUtf8(this.bytes())};s.createBuffer=function(e,t){t=t||"raw";if(e!==undefined&&t==="utf8"){e=s.encodeUtf8(e)}return new s.ByteBuffer(e)};var p=r.prng={};var b=null;p.create=function(e){var t={plugin:e,key:null,seed:null,time:null,reseeds:0,generated:0};var i=e.md;var n=new Array(32);for(var a=0;a<32;++a){n[a]=i.create()}t.pools=n;t.pool=0;t.generate=function(e,i){if(!i){return t.generateSync(e)}var n=t.plugin.cipher;var a=t.plugin.increment;var s=t.plugin.formatKey;var o=t.plugin.formatSeed;var c=r.util.createBuffer();h();function h(d){if(d){return i(d)}if(c.length()>=e){return i(null,c.getBytes(e))}if(t.generated>=1048576){var u=+new Date;if(t.time===null||u-t.time>100){t.key=null}}if(t.key===null){return f(h)}var l=n(t.key,t.seed);t.generated+=l.length;c.putBytes(l);t.key=s(n(t.key,a(t.seed)));t.seed=o(n(t.key,t.seed));r.util.setImmediate(h)}};t.generateSync=function(e){var i=t.plugin.cipher;var n=t.plugin.increment;var a=t.plugin.formatKey;var f=t.plugin.formatSeed;var o=r.util.createBuffer();while(o.length()<e){if(t.generated>=1048576){var c=+new Date;if(t.time===null||c-t.time>100){t.key=null}}if(t.key===null){s()}var h=i(t.key,t.seed);t.generated+=h.length;o.putBytes(h);t.key=a(i(t.key,n(t.seed)));t.seed=f(i(t.key,t.seed))}return o.getBytes(e)};function f(e){if(t.pools[0].messageLength>=32){o();return e()}var r=32-t.pools[0].messageLength<<5;t.seedFile(r,function(r,i){if(r){return e(r)}t.collect(i);o();e()})}function s(){if(t.pools[0].messageLength>=32){return o()}var e=32-t.pools[0].messageLength<<5;t.collect(t.seedFileSync(e));o()}function o(){var e=r.md.sha1.create();e.update(t.pools[0].digest().getBytes());t.pools[0].start();var i=1;for(var n=1;n<32;++n){i=i===31?2147483648:i<<2;if(i%t.reseeds===0){e.update(t.pools[n].digest().getBytes());t.pools[n].start()}}var a=e.digest().getBytes();e.start();e.update(a);var f=e.digest().getBytes();t.key=t.plugin.formatKey(a);t.seed=t.plugin.formatSeed(f);++t.reseeds;t.generated=0;t.time=+new Date}function c(e){var t=r.util.createBuffer();if(typeof window!=="undefined"&&window.crypto&&window.crypto.getRandomValues){var i=new Uint32Array(e/4);try{window.crypto.getRandomValues(i);for(var n=0;n<i.length;++n){t.putInt32(i[n])}}catch(a){}}if(t.length()<e){var f,s,o;var c=Math.floor(Math.random()*65535);while(t.length()<e){s=16807*(c&65535);f=16807*(c>>16);s+=(f&32767)<<16;s+=f>>15;s=(s&2147483647)+(s>>31);c=s&4294967295;for(var n=0;n<3;++n){o=c>>>(n<<3);o^=Math.floor(Math.random()*255);t.putByte(String.fromCharCode(o&255))}}}return t.getBytes()}if(b){t.seedFile=function(e,t){b.randomBytes(e,function(e,r){if(e){return t(e)}t(null,r.toString())})};t.seedFileSync=function(e){return b.randomBytes(e).toString()}}else{t.seedFile=function(e,t){try{t(null,c(e))}catch(r){t(r)}};t.seedFileSync=c}t.collect=function(e){var r=e.length;for(var i=0;i<r;++i){t.pools[t.pool].update(e.substr(i,1));t.pool=t.pool===31?0:t.pool+1}};t.collectInt=function(e,r){var i="";for(var n=0;n<r;n+=8){i+=String.fromCharCode(e>>n&255)}t.collect(i)};t.registerWorker=function(e){if(e===self){t.seedFile=function(e,t){function r(e){var i=e.data;if(i.forge&&i.forge.prng){self.removeEventListener("message",r);t(i.forge.prng.err,i.forge.prng.bytes)}}self.addEventListener("message",r);self.postMessage({forge:{prng:{needed:e}}})}}else{function r(r){var 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e};I.cipher=function(e,t){r.aes._updateBlock(e,t,k,false);x.putInt32(k[0]);x.putInt32(k[1]);x.putInt32(k[2]);x.putInt32(k[3]);return x.getBytes()};I.increment=function(e){++e[3];return e};I.md=r.md.sha1;var R=r.prng.create(I);if(typeof window=="undefined"||!window.crypto||!window.crypto.getRandomValues){if(typeof window==="undefined"||window.document===undefined){}R.collectInt(+new Date,32);if(typeof navigator!=="undefined"){var T="";for(var C in navigator){try{if(typeof navigator[C]=="string"){T+=navigator[C]}}catch(M){}}R.collect(T);T=null}}r.random=R;r.random.getBytes=function(e,t){return r.random.generate(e,t)};r.pki.rsa.createKeyPairGenerationState=function(e,t){if(typeof e==="string"){e=parseInt(e,10)}e=e||1024;var i={nextBytes:function(e){var t=r.random.getBytes(e.length);for(var i=0;i<e.length;++i){e[i]=t.charCodeAt(i)}}};var n={state:0,bits:e,rng:i,eInt:t||65537,e:new j(null),p:null,q:null,qBits:e>>1,pBits:e-(e>>1),pqState:0,num:null,keys:null};n.e.fromInt(n.eInt);return n};var P;var D=0xdeadbeefcafe;var L=(D&16777215)==15715070;function j(e,t,r){this.data=[];if(e!=null)if("number"==typeof e)this.fromNumber(e,t,r);else if(t==null&&"string"!=typeof e)this.fromString(e,256);else this.fromString(e,t)}function q(){return new j(null)}function N(e,t,r,i,n,a){while(--a>=0){var f=t*this.data[e++]+r.data[i]+n;n=Math.floor(f/67108864);r.data[i++]=f&67108863}return n}function O(e,t,r,i,n,a){var f=t&32767,s=t>>15;while(--a>=0){var o=this.data[e]&32767;var c=this.data[e++]>>15;var h=s*o+c*f;o=f*o+((h&32767)<<15)+r.data[i]+(n&1073741823);n=(o>>>30)+(h>>>15)+s*c+(n>>>30);r.data[i++]=o&1073741823}return n}function U(e,t,r,i,n,a){var f=t&16383,s=t>>14;while(--a>=0){var o=this.data[e]&16383;var c=this.data[e++]>>14;var h=s*o+c*f;o=f*o+((h&16383)<<14)+r.data[i]+n;n=(o>>28)+(h>>14)+s*c;r.data[i++]=o&268435455}return n}if(typeof navigator==="undefined"){j.prototype.am=U;P=28}else if(L&&navigator.appName=="Microsoft Internet Explorer"){j.prototype.am=O;P=30}else 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e=q();j.ZERO.subTo(this,e);return e}function te(){return this.s<0?this.negate():this}function re(e){var t=this.s-e.s;if(t!=0)return t;var r=this.t;t=r-e.t;if(t!=0)return this.s<0?-t:t;while(--r>=0)if((t=this.data[r]-e.data[r])!=0)return t;return 0}function ie(e){var t=1,r;if((r=e>>>16)!=0){e=r;t+=16}if((r=e>>8)!=0){e=r;t+=8}if((r=e>>4)!=0){e=r;t+=4}if((r=e>>2)!=0){e=r;t+=2}if((r=e>>1)!=0){e=r;t+=1}return t}function ne(){if(this.t<=0)return 0;return this.DB*(this.t-1)+ie(this.data[this.t-1]^this.s&this.DM)}function ae(e,t){var r;for(r=this.t-1;r>=0;--r)t.data[r+e]=this.data[r];for(r=e-1;r>=0;--r)t.data[r]=0;t.t=this.t+e;t.s=this.s}function fe(e,t){for(var r=e;r<this.t;++r)t.data[r-e]=this.data[r];t.t=Math.max(this.t-e,0);t.s=this.s}function se(e,t){var r=e%this.DB;var i=this.DB-r;var n=(1<<i)-1;var a=Math.floor(e/this.DB),f=this.s<<r&this.DM,s;for(s=this.t-1;s>=0;--s){t.data[s+a+1]=this.data[s]>>i|f;f=(this.data[s]&n)<<r}for(s=a-1;s>=0;--s)t.data[s]=0;t.data[a]=f;t.t=this.t+a+1;t.s=this.s;t.clamp()}function oe(e,t){t.s=this.s;var r=Math.floor(e/this.DB);if(r>=this.t){t.t=0;return}var i=e%this.DB;var n=this.DB-i;var a=(1<<i)-1;t.data[0]=this.data[r]>>i;for(var f=r+1;f<this.t;++f){t.data[f-r-1]|=(this.data[f]&a)<<n;t.data[f-r]=this.data[f]>>i}if(i>0)t.data[this.t-r-1]|=(this.s&a)<<n;t.t=this.t-r;t.clamp()}function ce(e,t){var r=0,i=0,n=Math.min(e.t,this.t);while(r<n){i+=this.data[r]-e.data[r];t.data[r++]=i&this.DM;i>>=this.DB}if(e.t<this.t){i-=e.s;while(r<this.t){i+=this.data[r];t.data[r++]=i&this.DM;i>>=this.DB}i+=this.s}else{i+=this.s;while(r<e.t){i-=e.data[r];t.data[r++]=i&this.DM;i>>=this.DB}i-=e.s}t.s=i<0?-1:0;if(i<-1)t.data[r++]=this.DV+i;else if(i>0)t.data[r++]=i;t.t=r;t.clamp()}function he(e,t){var r=this.abs(),i=e.abs();var n=r.t;t.t=n+i.t;while(--n>=0)t.data[n]=0;for(n=0;n<i.t;++n)t.data[n+r.t]=r.am(0,i.data[n],t,n,0,r.t);t.s=0;t.clamp();if(this.s!=e.s)j.ZERO.subTo(t,t)}function de(e){var t=this.abs();var r=e.t=2*t.t;while(--r>=0)e.data[r]=0;for(r=0;r<t.t-1;++r){var i=t.am(r,t.data[r],e,2*r,0,1);if((e.data[r+t.t]+=t.am(r+1,2*t.data[r],e,2*r+1,i,t.t-r-1))>=t.DV){e.data[r+t.t]-=t.DV;e.data[r+t.t+1]=1}}if(e.t>0)e.data[e.t-1]+=t.am(r,t.data[r],e,2*r,0,1);e.s=0;e.clamp()}function ue(e,t,r){var i=e.abs();if(i.t<=0)return;var n=this.abs();if(n.t<i.t){if(t!=null)t.fromInt(0);if(r!=null)this.copyTo(r);return}if(r==null)r=q();var a=q(),f=this.s,s=e.s;var o=this.DB-ie(i.data[i.t-1]);if(o>0){i.lShiftTo(o,a);n.lShiftTo(o,r)}else{i.copyTo(a);n.copyTo(r)}var c=a.t;var h=a.data[c-1];if(h==0)return;var d=h*(1<<this.F1)+(c>1?a.data[c-2]>>this.F2:0);var u=this.FV/d,l=(1<<this.F1)/d,p=1<<this.F2;var 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e=this.data[0];if((e&1)==0)return 0;var t=e&3;t=t*(2-(e&15)*t)&15;t=t*(2-(e&255)*t)&255;t=t*(2-((e&65535)*t&65535))&65535;t=t*(2-e*t%this.DV)%this.DV;return t>0?this.DV-t:-t}function _e(e){this.m=e;this.mp=e.invDigit();this.mpl=this.mp&32767;this.mph=this.mp>>15;this.um=(1<<e.DB-15)-1;this.mt2=2*e.t}function Se(e){var t=q();e.abs().dlShiftTo(this.m.t,t);t.divRemTo(this.m,null,t);if(e.s<0&&t.compareTo(j.ZERO)>0)this.m.subTo(t,t);return t}function Ee(e){var t=q();e.copyTo(t);this.reduce(t);return t}function Be(e){while(e.t<=this.mt2)e.data[e.t++]=0;for(var t=0;t<this.m.t;++t){var r=e.data[t]&32767;var i=r*this.mpl+((r*this.mph+(e.data[t]>>15)*this.mpl&this.um)<<15)&e.DM;r=t+this.m.t;e.data[r]+=this.m.am(0,i,e,t,0,this.m.t);while(e.data[r]>=e.DV){e.data[r]-=e.DV;e.data[++r]++}}e.clamp();e.drShiftTo(this.m.t,e);if(e.compareTo(this.m)>=0)e.subTo(this.m,e)}function Ae(e,t){e.squareTo(t);this.reduce(t)}function Ie(e,t,r){e.multiplyTo(t,r);this.reduce(r)}_e.prototype.convert=Se;_e.prototype.revert=Ee;_e.prototype.reduce=Be;_e.prototype.mulTo=Ie;_e.prototype.sqrTo=Ae;function ke(){return(this.t>0?this.data[0]&1:this.s)==0}function xe(e,t){if(e>4294967295||e<1)return j.ONE;var r=q(),i=q(),n=t.convert(this),a=ie(e)-1;n.copyTo(r);while(--a>=0){t.sqrTo(r,i);if((e&1<<a)>0)t.mulTo(i,n,r);else{var f=r;r=i;i=f}}return t.revert(r)}function Re(e,t){var r;if(e<256||t.isEven())r=new pe(t);else r=new _e(t);return 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i,n,a=Math.min(e.t,this.t);for(i=0;i<a;++i)r.data[i]=t(this.data[i],e.data[i]);if(e.t<this.t){n=e.s&this.DM;for(i=a;i<this.t;++i)r.data[i]=t(this.data[i],n);r.t=this.t}else{n=this.s&this.DM;for(i=a;i<e.t;++i)r.data[i]=t(n,e.data[i]);r.t=e.t}r.s=t(this.s,e.s);r.clamp()}function Ve(e,t){return e&t}function He(e){var t=q();this.bitwiseTo(e,Ve,t);return t}function Ye(e,t){return e|t}function Xe(e){var t=q();this.bitwiseTo(e,Ye,t);return t}function We(e,t){return e^t}function Ge(e){var t=q();this.bitwiseTo(e,We,t);return t}function Je(e,t){return e&~t}function Ze(e){var t=q();this.bitwiseTo(e,Je,t);return t}function Qe(){var e=q();for(var t=0;t<this.t;++t)e.data[t]=this.DM&~this.data[t];e.t=this.t;e.s=~this.s;return e}function $e(e){var t=q();if(e<0)this.rShiftTo(-e,t);else this.lShiftTo(e,t);return t}function et(e){var t=q();if(e<0)this.lShiftTo(-e,t);else this.rShiftTo(e,t);return t}function tt(e){if(e==0)return-1;var t=0;if((e&65535)==0){e>>=16;t+=16}if((e&255)==0){e>>=8;t+=8}if((e&15)==0){e>>=4;t+=4}if((e&3)==0){e>>=2;t+=2}if((e&1)==0)++t;return t}function rt(){for(var e=0;e<this.t;++e)if(this.data[e]!=0)return e*this.DB+tt(this.data[e]);if(this.s<0)return this.t*this.DB;return-1}function it(e){var t=0;while(e!=0){e&=e-1;++t}return t}function nt(){var e=0,t=this.s&this.DM;for(var r=0;r<this.t;++r)e+=it(this.data[r]^t);return e}function at(e){var t=Math.floor(e/this.DB);if(t>=this.t)return this.s!=0;return(this.data[t]&1<<e%this.DB)!=0}function ft(e,t){var r=j.ONE.shiftLeft(e);this.bitwiseTo(r,t,r);return r}function st(e){return this.changeBit(e,Ye)}function ot(e){return this.changeBit(e,Je)}function ct(e){return this.changeBit(e,We)}function ht(e,t){var r=0,i=0,n=Math.min(e.t,this.t);while(r<n){i+=this.data[r]+e.data[r];t.data[r++]=i&this.DM;i>>=this.DB}if(e.t<this.t){i+=e.s;while(r<this.t){i+=this.data[r];t.data[r++]=i&this.DM;i>>=this.DB}i+=this.s}else{i+=this.s;while(r<e.t){i+=e.data[r];t.data[r++]=i&this.DM;i>>=this.DB}i+=e.s}t.s=i<0?-1:0;if(i>0)t.data[r++]=i;else if(i<-1)t.data[r++]=this.DV+i;t.t=r;t.clamp()}function dt(e){var t=q();this.addTo(e,t);return t}function ut(e){var t=q();this.subTo(e,t);return t}function lt(e){var t=q();this.multiplyTo(e,t);return t}function pt(e){var t=q();this.divRemTo(e,t,null);return t}function bt(e){var t=q();this.divRemTo(e,null,t);return t}function vt(e){var t=q(),r=q();this.divRemTo(e,t,r);return new Array(t,r)}function yt(e){this.data[this.t]=this.am(0,e-1,this,0,0,this.t);++this.t;this.clamp()}function gt(e,t){if(e==0)return;while(this.t<=t)this.data[this.t++]=0;this.data[t]+=e;while(this.data[t]>=this.DV){this.data[t]-=this.DV;if(++t>=this.t)this.data[this.t++]=0;++this.data[t]}}function mt(){}function wt(e){return e}function _t(e,t,r){e.multiplyTo(t,r)}function St(e,t){e.squareTo(t)}mt.prototype.convert=wt;mt.prototype.revert=wt;mt.prototype.mulTo=_t;mt.prototype.sqrTo=St;function Et(e){return this.exp(e,new mt)}function Bt(e,t,r){var i=Math.min(this.t+e.t,t);r.s=0;r.t=i;while(i>0)r.data[--i]=0;var n;for(n=r.t-this.t;i<n;++i)r.data[i+this.t]=this.am(0,e.data[i],r,i,0,this.t);for(n=Math.min(e.t,t);i<n;++i)this.am(0,e.data[i],r,i,0,t-i);r.clamp()}function At(e,t,r){--t;var i=r.t=this.t+e.t-t;r.s=0;while(--i>=0)r.data[i]=0;for(i=Math.max(t-this.t,0);i<e.t;++i)r.data[this.t+i-t]=this.am(t-i,e.data[i],r,0,0,this.t+i-t);r.clamp();r.drShiftTo(1,r)}function It(e){this.r2=q();this.q3=q();j.ONE.dlShiftTo(2*e.t,this.r2);this.mu=this.r2.divide(e);this.m=e}function kt(e){if(e.s<0||e.t>2*this.m.t)return e.mod(this.m);else if(e.compareTo(this.m)<0)return e;else{var t=q();e.copyTo(t);this.reduce(t);return t}}function xt(e){return e}function Rt(e){e.drShiftTo(this.m.t-1,this.r2);if(e.t>this.m.t+1){e.t=this.m.t+1;e.clamp()}this.mu.multiplyUpperTo(this.r2,this.m.t+1,this.q3);this.m.multiplyLowerTo(this.q3,this.m.t+1,this.r2);while(e.compareTo(this.r2)<0)e.dAddOffset(1,this.m.t+1);e.subTo(this.r2,e);while(e.compareTo(this.m)>=0)e.subTo(this.m,e)}function Tt(e,t){e.squareTo(t);this.reduce(t)}function Ct(e,t,r){e.multiplyTo(t,r);this.reduce(r)}It.prototype.convert=kt;It.prototype.revert=xt;It.prototype.reduce=Rt;It.prototype.mulTo=Ct;It.prototype.sqrTo=Tt;function Mt(e,t){var r=e.bitLength(),i,n=J(1),a;if(r<=0)return n;else if(r<18)i=1;else if(r<48)i=3;else if(r<144)i=4;else if(r<768)i=5;else i=6;if(r<8)a=new pe(t);else if(t.isEven())a=new It(t);else a=new _e(t);var f=new Array,s=3,o=i-1,c=(1<<i)-1;f[1]=a.convert(this);if(i>1){var h=q();a.sqrTo(f[1],h);while(s<=c){f[s]=q();a.mulTo(h,f[s-2],f[s]);s+=2}}var d=e.t-1,u,l=true,p=q(),b;r=ie(e.data[d])-1;while(d>=0){if(r>=o)u=e.data[d]>>r-o&c;else{u=(e.data[d]&(1<<r+1)-1)<<o-r;if(d>0)u|=e.data[d-1]>>this.DB+r-o}s=i;while((u&1)==0){u>>=1;--s}if((r-=s)<0){r+=this.DB;--d}if(l){f[u].copyTo(n);l=false}else{while(s>1){a.sqrTo(n,p);a.sqrTo(p,n);s-=2}if(s>0)a.sqrTo(n,p);else{b=n;n=p;p=b}a.mulTo(p,f[u],n)}while(d>=0&&(e.data[d]&1<<r)==0){a.sqrTo(n,p);b=n;n=p;p=b;if(--r<0){r=this.DB-1;--d}}}return a.revert(n)}function Pt(e){var t=this.s<0?this.negate():this.clone();var r=e.s<0?e.negate():e.clone();if(t.compareTo(r)<0){var i=t;t=r;r=i}var n=t.getLowestSetBit(),a=r.getLowestSetBit();if(a<0)return t;if(n<a)a=n;if(a>0){t.rShiftTo(a,t);r.rShiftTo(a,r)}while(t.signum()>0){if((n=t.getLowestSetBit())>0)t.rShiftTo(n,t);if((n=r.getLowestSetBit())>0)r.rShiftTo(n,r);if(t.compareTo(r)>=0){t.subTo(r,t);t.rShiftTo(1,t)}else{r.subTo(t,r);r.rShiftTo(1,r)}}if(a>0)r.lShiftTo(a,r);return r}function Dt(e){if(e<=0)return 0;var t=this.DV%e,r=this.s<0?e-1:0;if(this.t>0)if(t==0)r=this.data[0]%e;else for(var i=this.t-1;i>=0;--i)r=(t*r+this.data[i])%e;return r}function Lt(e){var t=e.isEven();if(this.isEven()&&t||e.signum()==0)return j.ZERO;var r=e.clone(),i=this.clone();var n=J(1),a=J(0),f=J(0),s=J(1);while(r.signum()!=0){while(r.isEven()){r.rShiftTo(1,r);if(t){if(!n.isEven()||!a.isEven()){n.addTo(this,n);a.subTo(e,a)}n.rShiftTo(1,n)}else if(!a.isEven())a.subTo(e,a);a.rShiftTo(1,a)}while(i.isEven()){i.rShiftTo(1,i);if(t){if(!f.isEven()||!s.isEven()){f.addTo(this,f);s.subTo(e,s)}f.rShiftTo(1,f)}else if(!s.isEven())s.subTo(e,s);s.rShiftTo(1,s)}if(r.compareTo(i)>=0){r.subTo(i,r);if(t)n.subTo(f,n);a.subTo(s,a)}else{i.subTo(r,i);if(t)f.subTo(n,f);s.subTo(a,s)}}if(i.compareTo(j.ONE)!=0)return j.ZERO;if(s.compareTo(e)>=0)return s.subtract(e);if(s.signum()<0)s.addTo(e,s);else return s;if(s.signum()<0)return s.add(e);else return s}var jt=[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499,503,509];var qt=(1<<26)/jt[jt.length-1];function Nt(e){var t,r=this.abs();if(r.t==1&&r.data[0]<=jt[jt.length-1]){for(t=0;t<jt.length;++t)if(r.data[0]==jt[t])return true;return false}if(r.isEven())return false;t=1;while(t<jt.length){var i=jt[t],n=t+1;while(n<jt.length&&i<qt)i*=jt[n++];i=r.modInt(i);while(t<n)if(i%jt[t++]==0)return false}return r.millerRabin(e)}function Ot(e){var t=this.subtract(j.ONE);var r=t.getLowestSetBit();if(r<=0)return false;var i=t.shiftRight(r);e=e+1>>1;if(e>jt.length)e=jt.length;var n=q();for(var a=0;a<e;++a){n.fromInt(jt[a]);var f=n.modPow(i,this);if(f.compareTo(j.ONE)!=0&&f.compareTo(t)!=0){var s=1;while(s++<r&&f.compareTo(t)!=0){f=f.modPowInt(2,this);if(f.compareTo(j.ONE)==0)return false}if(f.compareTo(t)!=0)return false}}return true}j.prototype.chunkSize=De;j.prototype.toRadix=je;j.prototype.fromRadix=qe;j.prototype.fromNumber=Ne;j.prototype.bitwiseTo=Fe;j.prototype.changeBit=ft;j.prototype.addTo=ht;j.prototype.dMultiply=yt;j.prototype.dAddOffset=gt;j.prototype.multiplyLowerTo=Bt;j.prototype.multiplyUpperTo=At;j.prototype.modInt=Dt;j.prototype.millerRabin=Ot;j.prototype.clone=Te;j.prototype.intValue=Ce;j.prototype.byteValue=Me;j.prototype.shortValue=Pe;j.prototype.signum=Le;j.prototype.toByteArray=Oe;j.prototype.equals=Ue;j.prototype.min=ze;j.prototype.max=Ke;j.prototype.and=He;j.prototype.or=Xe;j.prototype.xor=Ge;j.prototype.andNot=Ze;j.prototype.not=Qe;j.prototype.shiftLeft=$e;j.prototype.shiftRight=et;j.prototype.getLowestSetBit=rt;j.prototype.bitCount=nt;j.prototype.testBit=at;j.prototype.setBit=st;j.prototype.clearBit=ot;j.prototype.flipBit=ct;j.prototype.add=dt;j.prototype.subtract=ut;j.prototype.multiply=lt;j.prototype.divide=pt;j.prototype.remainder=bt;j.prototype.divideAndRemainder=vt;j.prototype.modPow=Mt;j.prototype.modInverse=Lt;j.prototype.pow=Et;j.prototype.gcd=Pt;j.prototype.isProbablePrime=Nt;r.jsbn=r.jsbn||{};r.jsbn.BigInteger=j;var s=r.util=r.util||{};if(typeof e==="undefined"||!e.nextTick){if(typeof setImmediate==="function"){s.setImmediate=setImmediate;s.nextTick=function(e){return setImmediate(e)}}else{s.setImmediate=function(e){setTimeout(e,0)};s.nextTick=s.setImmediate}}else{s.nextTick=e.nextTick;if(typeof setImmediate==="function"){s.setImmediate=setImmediate}else{s.setImmediate=s.nextTick}}var Ut=function(e,t,r){var i;if(r){i=e.modPow(t.e,t.n)}else{if(!t.dP){t.dP=t.d.mod(t.p.subtract(j.ONE))}if(!t.dQ){t.dQ=t.d.mod(t.q.subtract(j.ONE))}if(!t.qInv){t.qInv=t.q.modInverse(t.p)}var n=e.mod(t.p).modPow(t.dP,t.p);var a=e.mod(t.q).modPow(t.dQ,t.q);while(n.compareTo(a)<0){n=n.add(t.p)}i=n.subtract(a).multiply(t.qInv).mod(t.p).multiply(t.q).add(a)}return i};s.encodeUtf8=function(e){return unescape(encodeURIComponent(e))};s.decodeUtf8=function(e){return decodeURIComponent(escape(e))};s.createBuffer=function(e,t){t=t||"raw";if(e!==undefined&&t==="utf8"){e=s.encodeUtf8(e)}return new s.ByteBuffer(e)};s.hexToBytes=function(e){var t="";var r=0;if(e.length&1==1){r=1;t+=String.fromCharCode(parseInt(e[0],16))}for(;r<e.length;r+=2){t+=String.fromCharCode(parseInt(e.substr(r,2),16))}return t};a.rsa.decrypt=function(e,t,i,n){var a=Math.ceil(t.n.bitLength()/8);if(e.length!=a){throw{message:"Encrypted message length is invalid.",length:e.length,expected:a}}var f=new j(r.util.createBuffer(e).toHex(),16);var s=Ut(f,t,i);var o=s.toString(16);var c=r.util.createBuffer();var h=a-Math.ceil(o.length/2);while(h>0){c.putByte(0);--h}c.putBytes(r.util.hexToBytes(o));if(n!==false){var d=c.getByte();var u=c.getByte();if(d!==0||i&&u!==0&&u!==1||!i&&u!=2||i&&u===0&&typeof n==="undefined"){throw{message:"Encryption block is invalid."}}var l=0;if(u===0){l=a-3-n;for(var p=0;p<l;++p){if(c.getByte()!==0){throw{message:"Encryption block is invalid."}}}}else if(u===1){l=0;while(c.length()>1){if(c.getByte()!==255){--c.read;break}++l}}else if(u===2){l=0;while(c.length()>1){if(c.getByte()===0){--c.read;break}++l}}var b=c.getByte();if(b!==0||l!==a-3-c.length()){throw{message:"Encryption block is invalid."}}}return c.getBytes()};a.rsa.encrypt=function(e,t,i){var n=i;var a=r.util.createBuffer();var f=Math.ceil(t.n.bitLength()/8);if(i!==false&&i!==true){if(e.length>f-11){throw{message:"Message is too long to encrypt.",length:e.length,max:f-11}}a.putByte(0);a.putByte(i);var s=f-3-e.length;var o;if(i===0||i===1){n=false;o=i===0?0:255;for(var c=0;c<s;++c){a.putByte(o)}}else{n=true;for(var c=0;c<s;++c){o=Math.floor(Math.random()*255)+1;a.putByte(o)}}a.putByte(0)}a.putBytes(e);var h=new j(a.toHex(),16);var d=Ut(h,t,n);var u=d.toString(16);var l=r.util.createBuffer();var p=f-Math.ceil(u.length/2);while(p>0){l.putByte(0);--p}l.putBytes(r.util.hexToBytes(u));return l.getBytes()};a.rsa.setPrivateKey=function(e,t,r,i,n,f,s,o){var c={n:e,e:t,d:r,p:i,q:n,dP:f,dQ:s,qInv:o};c.decrypt=function(e){return a.rsa.decrypt(e,c,false)};c.sign=function(e,t){var r=false;if(t===undefined){t={encode:emsaPkcs1v15encode};r=1}var i=t.encode(e,c.n.bitLength());return a.rsa.encrypt(i,c,r)};return c};var zt=function(e){var t=e.getByte();if(t==128){return undefined}var r;var i=t&128;if(!i){r=t}else{r=e.getInt((t&127)<<3)}return r};var Kt=r.asn1=r.asn1||{};Kt.Type={NONE:0,BOOLEAN:1,INTEGER:2,BITSTRING:3,OCTETSTRING:4,NULL:5,OID:6,ODESC:7,EXTERNAL:8,REAL:9,ENUMERATED:10,EMBEDDED:11,UTF8:12,ROID:13,SEQUENCE:16,SET:17,PRINTABLESTRING:19,IA5STRING:22,UTCTIME:23,GENERALIZEDTIME:24,BMPSTRING:30};Kt.Class={UNIVERSAL:0,APPLICATION:64,CONTEXT_SPECIFIC:128,PRIVATE:192};Kt.create=function(e,t,r,i){if(i.constructor==Array){var n=[];for(var a=0;a<i.length;++a){if(i[a]!==undefined){n.push(i[a])}}i=n}return{tagClass:e,type:t,constructed:r,composed:r||i.constructor==Array,value:i}};Kt.fromDer=function(e){if(e.constructor==String){e=r.util.createBuffer(e)}if(e.length()<2){throw{message:"Too few bytes to parse DER.",bytes:e.length()}}var t=e.getByte();var i=t&192;var n=t&31;var a=zt(e);if(e.length()<a){throw{message:"Too few bytes to read ASN.1 value.",detail:e.length()+" < "+a}}var f;var s=(t&32)==32;var o=s;if(!o&&i===Kt.Class.UNIVERSAL&&n===Kt.Type.BITSTRING&&a>1){var c=e.read;var h=e.getByte();if(h===0){t=e.getByte();var d=t&192;if(d===Kt.Class.UNIVERSAL||d===Kt.Class.CONTEXT_SPECIFIC){try{var u=zt(e);o=u===a-(e.read-c);if(o){++c;--a}}catch(l){}}}e.read=c}if(o){f=[];if(a===undefined){for(;;){if(e.bytes(2)===String.fromCharCode(0,0)){
-e.getBytes(2);break}f.push(Kt.fromDer(e))}}else{var p=e.length();while(a>0){f.push(Kt.fromDer(e));a-=p-e.length();p=e.length()}}}else{if(a===undefined){throw{message:"Non-constructed ASN.1 object of indefinite length."}}if(n===Kt.Type.BMPSTRING){f="";for(var b=0;b<a;b+=2){f+=String.fromCharCode(e.getInt16())}}else{f=e.getBytes(a)}}return Kt.create(i,n,s,f)};Kt.toDer=function(e){var t=r.util.createBuffer();var i=e.tagClass|e.type;var n=r.util.createBuffer();if(e.composed){if(e.constructed){i|=32}else{n.putByte(0)}for(var a=0;a<e.value.length;++a){if(e.value[a]!==undefined){n.putBuffer(Kt.toDer(e.value[a]))}}}else{if(e.type===Kt.Type.BMPSTRING){for(var a=0;a<e.value.length;++a){n.putInt16(e.value.charCodeAt(a))}}else{n.putBytes(e.value)}}t.putByte(i);if(n.length()<=127){t.putByte(n.length()&127)}else{var f=n.length();var s="";do{s+=String.fromCharCode(f&255);f=f>>>8}while(f>0);t.putByte(s.length|128);for(var a=s.length-1;a>=0;--a){t.putByte(s.charCodeAt(a))}}t.putBuffer(n);return t};a.rsa.setPublicKey=function(e,t){var r={n:e,e:t};r.encrypt=function(e){return a.rsa.encrypt(e,r,2)};r.verify=function(e,t,i){var n=i===undefined?undefined:false;var f=a.rsa.decrypt(t,r,true,n);if(i===undefined){var s=Kt.fromDer(f);return e===s.value[1].value}else{return i.verify(e,f,r.n.bitLength())}};return r};var Ft=[6,4,2,4,2,4,6,2];a.rsa.stepKeyPairGenerationState=function(e,t){var i=new j(null);i.fromInt(30);var n=0;var a=function(e,t){return e|t};var f=+new Date;var s;var o=0;while(e.keys===null&&(t<=0||o<t)){if(e.state===0){var c=e.p===null?e.pBits:e.qBits;var h=c-1;if(e.pqState===0){e.num=new j(c,e.rng);if(!e.num.testBit(h)){e.num.bitwiseTo(j.ONE.shiftLeft(h),a,e.num)}e.num.dAddOffset(31-e.num.mod(i).byteValue(),0);n=0;++e.pqState}else if(e.pqState===1){if(e.num.bitLength()>c){e.pqState=0}else if(e.num.isProbablePrime(1)){++e.pqState}else{e.num.dAddOffset(Ft[n++%8],0)}}else if(e.pqState===2){e.pqState=e.num.subtract(j.ONE).gcd(e.e).compareTo(j.ONE)===0?3:0}else if(e.pqState===3){e.pqState=0;if(e.num.isProbablePrime(10)){if(e.p===null){e.p=e.num}else{e.q=e.num}if(e.p!==null&&e.q!==null){++e.state}}e.num=null}}else if(e.state===1){if(e.p.compareTo(e.q)<0){e.num=e.p;e.p=e.q;e.q=e.num}++e.state}else if(e.state===2){e.p1=e.p.subtract(j.ONE);e.q1=e.q.subtract(j.ONE);e.phi=e.p1.multiply(e.q1);++e.state}else if(e.state===3){if(e.phi.gcd(e.e).compareTo(j.ONE)===0){++e.state}else{e.p=null;e.q=null;e.state=0}}else if(e.state===4){e.n=e.p.multiply(e.q);if(e.n.bitLength()===e.bits){++e.state}else{e.q=null;e.state=0}}else if(e.state===5){var d=e.e.modInverse(e.phi);e.keys={privateKey:r.pki.rsa.setPrivateKey(e.n,e.e,d,e.p,e.q,d.mod(e.p1),d.mod(e.q1),e.q.modInverse(e.p)),publicKey:r.pki.rsa.setPublicKey(e.n,e.e)}}s=+new Date;o+=s-f;f=s}return e.keys!==null};function Vt(e,t,i){if(typeof t==="function"){i=t;t={}}if(false||typeof Worker==="undefined"){function n(){if(r.pki.rsa.stepKeyPairGenerationState(e,10)){return i(null,e.keys)}r.util.setImmediate(n)}return n()}var a=t.workers||2;var f=t.workLoad||100;var s=f*30/8;var o=t.workerScript||"forge/prime.worker.js";var c=new j(null);c.fromInt(30);var h=function(e,t){return e|t};d();function d(){u(e.pBits,function(t,r){if(t){return i(t)}e.p=r;u(e.qBits,l)})}function u(t,r){var i=[];for(var n=0;n<a;++n){i[n]=new Worker(o)}var d=a;var u=l();for(var n=0;n<a;++n){i[n].addEventListener("message",b)}function l(){var r=t-1;var i=new j(t,e.rng);if(!i.testBit(r)){i.bitwiseTo(j.ONE.shiftLeft(r),h,i)}i.dAddOffset(31-i.mod(c).byteValue(),0);return i}var p=false;function b(n){if(p){return}--d;var a=n.data;if(a.found){for(var o=0;o<i.length;++o){i[o].terminate()}p=true;return r(null,new j(a.prime,16))}if(u.bitLength()>t){u=l()}var c=u.toString(16);n.target.postMessage({e:e.eInt,hex:c,workLoad:f});u.dAddOffset(s,0)}}function l(t,n){e.q=n;if(e.p.compareTo(e.q)<0){var a=e.p;e.p=e.q;e.q=a}e.p1=e.p.subtract(j.ONE);e.q1=e.q.subtract(j.ONE);e.phi=e.p1.multiply(e.q1);if(e.phi.gcd(e.e).compareTo(j.ONE)!==0){e.p=e.q=null;d();return}e.n=e.p.multiply(e.q);if(e.n.bitLength()!==e.bits){e.q=null;u(e.qBits,l);return}var f=e.e.modInverse(e.phi);e.keys={privateKey:r.pki.rsa.setPrivateKey(e.n,e.e,f,e.p,e.q,f.mod(e.p1),f.mod(e.q1),e.q.modInverse(e.p)),publicKey:r.pki.rsa.setPublicKey(e.n,e.e)};i(null,e.keys)}}a.rsa.generateKeyPair=function(e,t,r,i){if(arguments.length===1){if(typeof e==="object"){r=e;e=undefined}else if(typeof e==="function"){i=e;e=undefined}}else if(arguments.length===2){if(typeof e==="number"){if(typeof t==="function"){i=t}else{r=t}}else{r=e;i=t;e=undefined}t=undefined}else if(arguments.length===3){if(typeof t==="number"){if(typeof r==="function"){i=r;r=undefined}}else{i=r;r=t;t=undefined}}r=r||{};if(e===undefined){e=r.bits||1024}if(t===undefined){t=r.e||65537}var n=a.rsa.createKeyPairGenerationState(e,t);if(!i){a.rsa.stepKeyPairGenerationState(n,0);return n.keys}Vt(n,r,i)};var Ht=function(e){var t=e.toString(16);if(t[0]>="8"){t="00"+t}return r.util.hexToBytes(t)};a.publicKeyToRSAPublicKey=function(e){return Kt.create(Kt.Class.UNIVERSAL,Kt.Type.SEQUENCE,true,[Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,Ht(e.n)),Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,Ht(e.e))])};var Yt="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";s.encode64=function(e,t){var r="";var i="";var n,a,f;var s=0;while(s<e.length){n=e.charCodeAt(s++);a=e.charCodeAt(s++);f=e.charCodeAt(s++);r+=Yt.charAt(n>>2);r+=Yt.charAt((n&3)<<4|a>>4);if(isNaN(a)){r+="=="}else{r+=Yt.charAt((a&15)<<2|f>>6);r+=isNaN(f)?"=":Yt.charAt(f&63)}if(t&&r.length>t){i+=r.substr(0,t)+"\r\n";r=r.substr(t)}}i+=r;return i};a.publicKeyToRSAPublicKeyPem=function(e,t){var i=Kt.toDer(a.publicKeyToRSAPublicKey(e));i=r.util.encode64(i.getBytes(),t||64);return"-----BEGIN RSA PUBLIC KEY-----\r\n"+i+"\r\n-----END RSA PUBLIC KEY-----"};a.privateKeyToAsn1=a.privateKeyToRSAPrivateKey=function(e){return Kt.create(Kt.Class.UNIVERSAL,Kt.Type.SEQUENCE,true,[Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,String.fromCharCode(0)),Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,Ht(e.n)),Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,Ht(e.e)),Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,Ht(e.d)),Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,Ht(e.p)),Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,Ht(e.q)),Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,Ht(e.dP)),Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,Ht(e.dQ)),Kt.create(Kt.Class.UNIVERSAL,Kt.Type.INTEGER,false,Ht(e.qInv))])};a.privateKeyToPem=function(e,t){var i=Kt.toDer(a.privateKeyToAsn1(e));i=r.util.encode64(i.getBytes(),t||64);return"-----BEGIN RSA PRIVATE KEY-----\r\n"+i+"\r\n-----END RSA PRIVATE KEY-----"}}).call(this,e("_process"))},{_process:108}],98:[function(e,t,r){var i=e("bn.js");var n=e("brorand");function a(e){this.rand=e||new n.Rand}t.exports=a;a.create=function f(e){return new a(e)};a.prototype._rand=function s(e){var t=e.bitLength();var r=this.rand.generate(Math.ceil(t/8));r[0]|=3;var n=t&7;if(n!==0)r[r.length-1]>>=7-n;return new i(r)};a.prototype.test=function o(e,t,r){var n=e.bitLength();var a=i.mont(e);var f=new i(1).toRed(a);if(!t)t=Math.max(1,n/48|0);var s=e.subn(1);var o=s.subn(1);for(var c=0;!s.testn(c);c++){}var h=e.shrn(c);var d=s.toRed(a);var u=true;for(;t>0;t--){var l=this._rand(o);if(r)r(l);var p=l.toRed(a).redPow(h);if(p.cmp(f)===0||p.cmp(d)===0)continue;for(var b=1;b<c;b++){p=p.redSqr();if(p.cmp(f)===0)return false;if(p.cmp(d)===0)break}if(b===c)return false}return u};a.prototype.getDivisor=function c(e,t){var r=e.bitLength();var n=i.mont(e);var a=new i(1).toRed(n);if(!t)t=Math.max(1,r/48|0);var f=e.subn(1);var s=f.subn(1);for(var o=0;!f.testn(o);o++){}var c=e.shrn(o);var h=f.toRed(n);for(;t>0;t--){var d=this._rand(s);var u=e.gcd(d);if(u.cmpn(1)!==0)return u;var l=d.toRed(n).redPow(c);if(l.cmp(a)===0||l.cmp(h)===0)continue;for(var p=1;p<o;p++){l=l.redSqr();if(l.cmp(a)===0)return l.fromRed().subn(1).gcd(e);if(l.cmp(h)===0)break}if(p===o){l=l.redSqr();return l.fromRed().subn(1).gcd(e)}}return false}},{"bn.js":17,brorand:18}],99:[function(e,t,r){t.exports=i;function i(e,t){if(!e)throw new Error(t||"Assertion failed")}i.equal=function n(e,t,r){if(e!=t)throw new Error(r||"Assertion failed: "+e+" != "+t)}},{}],100:[function(e,t,r){(function(r){var i=e("invert-hash");var n=t.exports=function(){if(arguments.length===1){return n.decode.apply(this,arguments)}else if(arguments.length>1){return n.encode.apply(this,arguments)}throw new Error("multihash must be called with the encode or decode parameters.")};n.names={sha1:17,"sha2-256":18,"sha2-512":19,sha3:20,blake2b:64,blake2s:65};n.codes=i(n.names);n.defaultLengths={17:20,18:32,19:64,20:64,64:64,65:32};n.encode=function a(e,t,i){if(!e||!t){throw new Error("multihash encode requires at least two args: hashfn, digest")}t=n.coerceCode(t);if(!r.isBuffer(e)){throw new Error("digest should be a Buffer")}if(!i){i=e.length}if(i&&e.length!==i){throw new Error("digest length should be equal to specified length.")}if(i>127){throw new Error("multihash does not yet support digest lengths greater than 127 bytes.")}return r.concat([new r([t,i]),e])};n.decode=function f(e){var t=n.validate(e);if(t){throw t}var r={};r.code=e[0];r.name=n.codes[r.code];r.length=e[1];r.digest=e.slice(2);return r};n.validate=function s(e){if(!r.isBuffer(e)){return new Error("multihash must be a Buffer")}if(e.length<3){return new Error("multihash too short. must be > 3 bytes.")}if(e.length>129){return new Error("multihash too long. must be < 129 bytes.")}if(!n.isAppCode(e[0])&&!n.codes[e[0]]){return new Error("multihash unknown function code: 0x"+e[0].toString(16))}if(e.slice(2).length!==e[1]){return new Error("multihash length inconsistent: 0x"+e.toString("hex"))}return false};n.coerceCode=function o(e){var t=e;if(typeof e==="string"){if(!n.names[e]){throw new Error("Unrecognized hash function named: "+e)}t=n.names[e]}if(typeof t!=="number"){throw new Error("Hash function code should be a number. Got: "+t)}if(!n.codes[t]&&!n.isAppCode(t)){throw new Error("Unrecognized function code: "+t)}return t};n.isAppCode=function c(e){return e>0&&e<16}}).call(this,e("buffer").Buffer)},{buffer:46,"invert-hash":93}],101:[function(e,t,r){(function(r){var i=e("multihashes");var n=e("webcrypto");var a=t.exports=f;a.Buffer=r;function f(e,t,r){return i.encode(a.digest(e,t,r),t,r)}a.multihash=i;a.digest=function(e,t,r){var i=a.createHash(t).update(e).digest();if(r){i=i.slice(0,r)}return i};a.createHash=function(e,t){e=i.coerceCode(e);if(!a.functions[e]){throw new Error("multihash function "+e+" not yet supported")}return a.functions[e]()};a.functions={17:s,18:o,19:c};function s(){return n.createHash("sha1")}function o(){return n.createHash("sha256")}function c(){return n.createHash("sha512")}}).call(this,e("buffer").Buffer)},{buffer:46,multihashes:100,webcrypto:139}],102:[function(e,t,r){t.exports={"2.16.840.1.101.3.4.1.1":"aes-128-ecb","2.16.840.1.101.3.4.1.2":"aes-128-cbc","2.16.840.1.101.3.4.1.3":"aes-128-ofb","2.16.840.1.101.3.4.1.4":"aes-128-cfb","2.16.840.1.101.3.4.1.21":"aes-192-ecb","2.16.840.1.101.3.4.1.22":"aes-192-cbc","2.16.840.1.101.3.4.1.23":"aes-192-ofb","2.16.840.1.101.3.4.1.24":"aes-192-cfb","2.16.840.1.101.3.4.1.41":"aes-256-ecb","2.16.840.1.101.3.4.1.42":"aes-256-cbc","2.16.840.1.101.3.4.1.43":"aes-256-ofb","2.16.840.1.101.3.4.1.44":"aes-256-cfb"}},{}],103:[function(e,t,r){var i=e("asn1.js");var n=i.define("RSAPrivateKey",function(){this.seq().obj(this.key("version").int(),this.key("modulus").int(),this.key("publicExponent").int(),this.key("privateExponent").int(),this.key("prime1").int(),this.key("prime2").int(),this.key("exponent1").int(),this.key("exponent2").int(),this.key("coefficient").int())});r.RSAPrivateKey=n;var a=i.define("RSAPublicKey",function(){this.seq().obj(this.key("modulus").int(),this.key("publicExponent").int())});r.RSAPublicKey=a;var f=i.define("SubjectPublicKeyInfo",function(){this.seq().obj(this.key("algorithm").use(s),this.key("subjectPublicKey").bitstr())});r.PublicKey=f;var s=i.define("AlgorithmIdentifier",function(){this.seq().obj(this.key("algorithm").objid(),this.key("none").null_().optional(),this.key("curve").objid().optional(),this.key("params").seq().obj(this.key("p").int(),this.key("q").int(),this.key("g").int()).optional())});var o=i.define("PrivateKeyInfo",function(){this.seq().obj(this.key("version").int(),this.key("algorithm").use(s),this.key("subjectPrivateKey").octstr())});r.PrivateKey=o;var c=i.define("EncryptedPrivateKeyInfo",function(){this.seq().obj(this.key("algorithm").seq().obj(this.key("id").objid(),this.key("decrypt").seq().obj(this.key("kde").seq().obj(this.key("id").objid(),this.key("kdeparams").seq().obj(this.key("salt").octstr(),this.key("iters").int())),this.key("cipher").seq().obj(this.key("algo").objid(),this.key("iv").octstr()))),this.key("subjectPrivateKey").octstr())});r.EncryptedPrivateKey=c;var h=i.define("DSAPrivateKey",function(){this.seq().obj(this.key("version").int(),this.key("p").int(),this.key("q").int(),this.key("g").int(),this.key("pub_key").int(),this.key("priv_key").int())});r.DSAPrivateKey=h;r.DSAparam=i.define("DSAparam",function(){this.int()});var d=i.define("ECPrivateKey",function(){this.seq().obj(this.key("version").int(),this.key("privateKey").octstr(),this.key("parameters").optional().explicit(0).use(u),this.key("publicKey").optional().explicit(1).bitstr())});r.ECPrivateKey=d;var u=i.define("ECParameters",function(){this.choice({namedCurve:this.objid()})});r.signature=i.define("signature",function(){this.seq().obj(this.key("r").int(),this.key("s").int())})},{"asn1.js":1}],104:[function(e,t,r){(function(r){var i=/Proc-Type: 4,ENCRYPTED\r?\nDEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)\r?\n\r?\n([0-9A-z\n\r\+\/\=]+)\r?\n/m;var n=/^-----BEGIN (.*) KEY-----\r?\n/m;var a=/^-----BEGIN (.*) KEY-----\r?\n([0-9A-z\n\r\+\/\=]+)\r?\n-----END \1 KEY-----$/m;var f=e("evp_bytestokey");var s=e("browserify-aes");t.exports=function(e,t){var o=e.toString();var c=o.match(i);var h;if(!c){var d=o.match(a);h=new r(d[2].replace(/\r?\n/g,""),"base64")}else{var u="aes"+c[1];var l=new r(c[2],"hex");var p=new r(c[3].replace(/\r?\n/g,""),"base64");var b=f(t,l.slice(0,8),parseInt(c[1],10)).key;var v=[];var y=s.createDecipheriv(u,b,l);v.push(y.update(p));v.push(y.final());h=r.concat(v)}var g=o.match(n)[1]+" KEY";return{tag:g,data:h}}}).call(this,e("buffer").Buffer)},{"browserify-aes":22,buffer:46,evp_bytestokey:83}],105:[function(e,t,r){(function(r){var i=e("./asn1");var n=e("./aesid.json");var a=e("./fixProc");var f=e("browserify-aes");var s=e("pbkdf2");t.exports=o;function o(e){var t;if(typeof e==="object"&&!r.isBuffer(e)){t=e.passphrase;e=e.key}if(typeof e==="string"){e=new r(e)}var n=a(e,t);var f=n.tag;var s=n.data;var o,h;switch(f){case"PUBLIC KEY":h=i.PublicKey.decode(s,"der");o=h.algorithm.algorithm.join(".");switch(o){case"1.2.840.113549.1.1.1":return i.RSAPublicKey.decode(h.subjectPublicKey.data,"der");case"1.2.840.10045.2.1":h.subjectPrivateKey=h.subjectPublicKey;return{type:"ec",data:h};case"1.2.840.10040.4.1":h.algorithm.params.pub_key=i.DSAparam.decode(h.subjectPublicKey.data,"der");return{type:"dsa",data:h.algorithm.params};default:throw new Error("unknown key id "+o)}throw new Error("unknown key type "+f);case"ENCRYPTED PRIVATE KEY":s=i.EncryptedPrivateKey.decode(s,"der");s=c(s,t);case"PRIVATE KEY":h=i.PrivateKey.decode(s,"der");o=h.algorithm.algorithm.join(".");switch(o){case"1.2.840.113549.1.1.1":return i.RSAPrivateKey.decode(h.subjectPrivateKey,"der");case"1.2.840.10045.2.1":return{curve:h.algorithm.curve,privateKey:i.ECPrivateKey.decode(h.subjectPrivateKey,"der").privateKey};case"1.2.840.10040.4.1":h.algorithm.params.priv_key=i.DSAparam.decode(h.subjectPrivateKey,"der");return{type:"dsa",params:h.algorithm.params};default:throw new Error("unknown key id "+o)}throw new Error("unknown key type "+f);case"RSA PUBLIC KEY":return i.RSAPublicKey.decode(s,"der");case"RSA PRIVATE KEY":return i.RSAPrivateKey.decode(s,"der");case"DSA PRIVATE KEY":return{type:"dsa",params:i.DSAPrivateKey.decode(s,"der")};case"EC PRIVATE KEY":s=i.ECPrivateKey.decode(s,"der");return{curve:s.parameters.value,privateKey:s.privateKey};default:throw new Error("unknown key type "+f)}}o.signature=i.signature;function c(e,t){var i=e.algorithm.decrypt.kde.kdeparams.salt;var a=parseInt(e.algorithm.decrypt.kde.kdeparams.iters.toString(),10);var o=n[e.algorithm.decrypt.cipher.algo.join(".")];var c=e.algorithm.decrypt.cipher.iv;var h=e.subjectPrivateKey;var d=parseInt(o.split("-")[1],10)/8;var u=s.pbkdf2Sync(t,i,a,d);var l=f.createDecipheriv(o,u,c);var p=[];p.push(l.update(h));p.push(l.final());return r.concat(p)}}).call(this,e("buffer").Buffer)},{"./aesid.json":102,"./asn1":103,"./fixProc":104,"browserify-aes":22,buffer:46,pbkdf2:106}],106:[function(e,t,r){(function(t){var i=e("create-hmac");var n=Math.pow(2,30)-1;r.pbkdf2=a;function a(e,t,r,i,n,a){if(typeof n==="function"){a=n;n=undefined}if(typeof a!=="function"){throw new Error("No callback provided to pbkdf2")}var s=f(e,t,r,i,n);setTimeout(function(){a(undefined,s)})}r.pbkdf2Sync=f;function f(e,r,a,f,s){if(typeof a!=="number"){throw new TypeError("Iterations not a number")}if(a<0){throw new TypeError("Bad iterations")}if(typeof f!=="number"){throw new TypeError("Key length not a number")}if(f<0||f>n){throw new TypeError("Bad key length")}s=s||"sha1";if(!t.isBuffer(e))e=new t(e,"binary");if(!t.isBuffer(r))r=new t(r,"binary");var o;var c=1;var h=new t(f);var d=new t(r.length+4);r.copy(d,0,0,r.length);var u;var l;for(var p=1;p<=c;p++){d.writeUInt32BE(p,r.length);var b=i(s,e).update(d).digest();if(!o){o=b.length;l=new t(o);c=Math.ceil(f/o);u=f-(c-1)*o}b.copy(l,0,0,o);for(var v=1;v<a;v++){b=i(s,e).update(b).digest();for(var y=0;y<o;y++){l[y]^=b[y]}}var g=(p-1)*o;var m=p===c?u:o;l.copy(h,g,0,m)}return h}}).call(this,e("buffer").Buffer)},{buffer:46,"create-hmac":53}],107:[function(e,t,r){(function(e){"use strict";t.exports=r;function r(t){var r=new Array(arguments.length-1);var i=0;while(i<r.length){r[i++]=arguments[i]}e.nextTick(function n(){t.apply(null,r)})}}).call(this,e("_process"))},{_process:108}],108:[function(e,t,r){var i=t.exports={};var n=[];var a=false;var f;var s=-1;function o(){a=false;if(f.length){n=f.concat(n)}else{s=-1}if(n.length){c()}}function c(){if(a){return}var e=setTimeout(o);a=true;var t=n.length;while(t){f=n;n=[];while(++s<t){if(f){f[s].run()}}s=-1;t=n.length}f=null;a=false;clearTimeout(e)}i.nextTick=function(e){var t=new Array(arguments.length-1);if(arguments.length>1){for(var r=1;r<arguments.length;r++){t[r-1]=arguments[r]}}n.push(new h(e,t));if(n.length===1&&!a){setTimeout(c,0)}};function h(e,t){this.fun=e;this.array=t}h.prototype.run=function(){this.fun.apply(null,this.array)};i.title="browser";i.browser=true;i.env={};i.argv=[];i.version="";i.versions={};function d(){}i.on=d;i.addListener=d;i.once=d;i.off=d;i.removeListener=d;i.removeAllListeners=d;i.emit=d;i.binding=function(e){throw new Error("process.binding is not supported")};i.cwd=function(){return"/"};i.chdir=function(e){throw new Error("process.chdir is not supported")};i.umask=function(){return 0}},{}],109:[function(e,t,r){r.publicEncrypt=e("./publicEncrypt");r.privateDecrypt=e("./privateDecrypt");r.privateEncrypt=function i(e,t){return r.publicEncrypt(e,t,true)};r.publicDecrypt=function n(e,t){return r.privateDecrypt(e,t,true)}},{"./privateDecrypt":111,"./publicEncrypt":112}],110:[function(e,t,r){(function(r){var i=e("create-hash");t.exports=function(e,t){var a=new r("");var f=0,s;while(a.length<t){s=n(f++);a=r.concat([a,i("sha1").update(e).update(s).digest()])}return a.slice(0,t)};function n(e){var t=new r(4);t.writeUInt32BE(e,0);return t}}).call(this,e("buffer").Buffer)},{buffer:46,"create-hash":50}],111:[function(e,t,r){(function(r){var i=e("parse-asn1");var n=e("./mgf");var a=e("./xor");var f=e("bn.js");var s=e("browserify-rsa");var o=e("create-hash");var c=e("./withPublic");t.exports=function l(e,t,n){var a;if(e.padding){a=e.padding}else if(n){a=1}else{a=4}var o=i(e);var u=o.modulus.byteLength();if(t.length>u||new f(t).cmp(o.modulus)>=0){throw new Error("decryption error")}var l;if(n){l=c(new f(t),o)}else{l=s(t,o)}var p=new r(u-l.length);p.fill(0);l=r.concat([p,l],u);if(a===4){return h(o,l)}else if(a===1){return d(o,l,n)}else if(a===3){return l}else{throw new Error("unknown padding")}};function h(e,t){var i=e.modulus;var f=e.modulus.byteLength();var s=t.length;var c=o("sha1").update(new r("")).digest();var h=c.length;var d=2*h;if(t[0]!==0){throw new Error("decryption error")}var l=t.slice(1,h+1);var p=t.slice(h+1);var b=a(l,n(p,h));var v=a(p,n(b,f-h-1));if(u(c,v.slice(0,h))){throw new Error("decryption error")}var y=h;while(v[y]===0){y++}if(v[y++]!==1){throw new Error("decryption error")}return v.slice(y)}function d(e,t,r){var i=t.slice(0,2);var n=2;var a=0;while(t[n++]!==0){if(n>=t.length){a++;break}}var f=t.slice(2,n-1);var s=t.slice(n-1,n);if(i.toString("hex")!=="0002"&&!r||i.toString("hex")!=="0001"&&r){a++}if(f.length<8){a++}if(a){throw new Error("decryption error")}return t.slice(n)}function u(e,t){e=new r(e);t=new r(t);var i=0;var n=e.length;if(e.length!==t.length){i++;n=Math.min(e.length,t.length)}var a=-1;while(++a<n){i+=e[a]^t[a]}return i}}).call(this,e("buffer").Buffer)},{"./mgf":110,"./withPublic":113,"./xor":114,"bn.js":17,"browserify-rsa":38,buffer:46,"create-hash":50,"parse-asn1":105}],112:[function(e,t,r){(function(r){var i=e("parse-asn1");var n=e("randombytes");var a=e("create-hash");var f=e("./mgf");var s=e("./xor");var o=e("bn.js");var c=e("./withPublic");var h=e("browserify-rsa");var d={RSA_PKCS1_OAEP_PADDING:4,RSA_PKCS1_PADDIN:1,RSA_NO_PADDING:3};t.exports=function b(e,t,r){var n;if(e.padding){n=e.padding}else if(r){n=1}else{n=4}var a=i(e);var f;if(n===4){f=u(a,t)}else if(n===1){f=l(a,t,r)}else if(n===3){f=new o(t);if(f.cmp(a.modulus)>=0){throw new Error("data too long for modulus")}}else{throw new Error("unknown padding")}if(r){return h(f,a)}else{return c(f,a)}};function u(e,t){var i=e.modulus.byteLength();var c=t.length;var h=a("sha1").update(new r("")).digest();var d=h.length;var u=2*d;if(c>i-u-2){throw new Error("message too long")}var l=new r(i-c-u-2);l.fill(0);var p=i-d-1;var b=n(d);var v=s(r.concat([h,l,new r([1]),t],p),f(b,p));var y=s(b,f(v,d));return new o(r.concat([new r([0]),y,v],i))}function l(e,t,i){var n=t.length;var a=e.modulus.byteLength();if(n>a-11){throw new Error("message too long")}var f;if(i){f=new r(a-n-3);f.fill(255)}else{f=p(a-n-3)}return new o(r.concat([new r([0,i?1:2]),f,new r([0]),t],a))}function p(e,t){var i=new r(e);var a=0;var f=n(e*2);var s=0;var o;while(a<e){if(s===f.length){f=n(e*2);s=0}o=f[s++];if(o){i[a++]=o}}return i}}).call(this,e("buffer").Buffer)},{"./mgf":110,"./withPublic":113,"./xor":114,"bn.js":17,"browserify-rsa":38,buffer:46,"create-hash":50,"parse-asn1":105,randombytes:115}],113:[function(e,t,r){(function(r){var i=e("bn.js");function n(e,t){return new r(e.toRed(i.mont(t.modulus)).redPow(new 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s(){if(f)return;f=true;e.end()}function o(){if(f)return;f=true;if(typeof e.destroy==="function")e.destroy()}function c(e){h();if(i.listenerCount(this,"error")===0){throw e}}r.on("error",c);e.on("error",c);function h(){r.removeListener("data",n);e.removeListener("drain",a);r.removeListener("end",s);r.removeListener("close",o);r.removeListener("error",c);e.removeListener("error",c);r.removeListener("end",h);r.removeListener("close",h);e.removeListener("close",h)}r.on("end",h);r.on("close",h);e.on("close",h);e.emit("pipe",r);return e}},{events:82,inherits:92,"readable-stream/duplex.js":116,"readable-stream/passthrough.js":122,"readable-stream/readable.js":123,"readable-stream/transform.js":124,"readable-stream/writable.js":125}],136:[function(e,t,r){var i=e("buffer").Buffer;var n=i.isEncoding||function(e){switch(e&&e.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return true;default:return 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r=0;r<e.length;r++){t(e[r],r,e)}};var defineProp=function(){try{Object.defineProperty({},"_",{});return function(e,t,r){Object.defineProperty(e,t,{writable:true,enumerable:false,configurable:true,value:r})}}catch(e){return function(e,t,r){e[t]=r}}}();var globals=["Array","Boolean","Date","Error","EvalError","Function","Infinity","JSON","Math","NaN","Number","Object","RangeError","ReferenceError","RegExp","String","SyntaxError","TypeError","URIError","decodeURI","decodeURIComponent","encodeURI","encodeURIComponent","escape","eval","isFinite","isNaN","parseFloat","parseInt","undefined","unescape"];function Context(){}Context.prototype={};var Script=exports.Script=function e(t){if(!(this instanceof Script))return new Script(t);this.code=t};Script.prototype.runInContext=function(e){if(!(e instanceof Context)){throw new TypeError("needs a 'context' argument.")}var t=document.createElement("iframe");if(!t.style)t.style={};t.style.display="none";document.body.appendChild(t);var r=t.contentWindow;var i=r.eval,n=r.execScript;if(!i&&n){n.call(r,"null");i=r.eval}forEach(Object_keys(e),function(t){
-r[t]=e[t]});forEach(globals,function(t){if(e[t]){r[t]=e[t]}});var a=Object_keys(r);var f=i.call(r,this.code);forEach(Object_keys(r),function(t){if(t in e||indexOf(a,t)===-1){e[t]=r[t]}});forEach(globals,function(t){if(!(t in e)){defineProp(e,t,r[t])}});document.body.removeChild(t);return f};Script.prototype.runInThisContext=function(){return eval(this.code)};Script.prototype.runInNewContext=function(e){var t=Script.createContext(e);var r=this.runInContext(t);forEach(Object_keys(t),function(r){e[r]=t[r]});return r};forEach(Object_keys(Script.prototype),function(e){exports[e]=Script[e]=function(t){var r=Script(t);return r[e].apply(r,[].slice.call(arguments,1))}});exports.createScript=function(e){return exports.Script(e)};exports.createContext=Script.createContext=function(e){var t=new Context;if(typeof e==="object"){forEach(Object_keys(e),function(r){t[r]=e[r]})}return t}},{indexof:91}],139:[function(e,t,r){(function(r){var i=!r.window;if(i){t.exports=e("crypto")}else{t.exports=e("crypto-browserify")}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{crypto:19,"crypto-browserify":54}],140:[function(e,t,r){(function(i){var n=e("multihashing");var a=e("bs58");var f=e("keypair");r=t.exports=s;r.Buffer=i;function s(e,t,r){var i=this;if(!(i instanceof s)){throw new Error("Id must be called with new")}i.privKey=t;i.pubKey=r;i.id=e;i.toPrint=function(){return{id:i.toHexString(),privKey:t.toString("hex"),pubKey:r.toString("hex")}};i.toHexString=function(){return i.id.toString("hex")};i.toBytes=function(){return i.id};i.toB58String=function(){return a.encode(i.id)}}r.create=function(){var e=f();var t=n(e.public,"sha2-256");return new s(t,e.private,e.public)};r.createFromHexString=function(e){return new s(new i(e),"hex")};r.createFromBytes=function(e){return new s(e)};r.createFromB58String=function(e){return new s(new i(a.decode(e)))};r.createFromPubKey=function(e){var t=n(e,"sha2-256");return new s(t,null,e)};r.createFromPrivKey=function(){}}).call(this,e("buffer").Buffer)},{bs58:44,buffer:46,keypair:97,multihashing:101}]},{},[140])(140)});
diff --git a/karma.conf.js b/karma.conf.js
index 4ff41e6..0641754 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -1,7 +1,7 @@
-module.exports = function (config) {
-  var path = require('path')
-  var node_modules_dir = path.join(__dirname, 'node_modules')
-  var deps = [
+module.exports = (config) => {
+  const path = require('path')
+  const node_modules_dir = path.join(__dirname, 'node_modules')
+  const deps = [
     'deps/forge.bundle.js'
   ]
   config.set({
@@ -19,7 +19,7 @@ module.exports = function (config) {
     webpack: {
       resolve: {
         extensions: ['', '.js', '.json'],
-        alias: { 'node-forge': __dirname + '/deps/forge.bundle.js' }
+        alias: { 'node-forge': path.resolve(__dirname, 'deps/forge.bundle.js') }
       },
       externals: {
         fs: '{}'
@@ -50,8 +50,8 @@ module.exports = function (config) {
     singleRun: true
   })
 
-  deps.forEach(function (dep) {
-    var depPath = path.resolve(node_modules_dir, dep)
+  deps.forEach((dep) => {
+    const depPath = path.resolve(node_modules_dir, dep)
     config.webpack.module.noParse.push(depPath)
   })
 }
diff --git a/package.json b/package.json
index 68d988f..38f5765 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     ]
   },
   "engines": {
-    "node": "^4.2.0"
+    "node": "^4.3.0"
   },
   "bugs": {
     "url": "https://github.com/diasdavid/js-peer-id/issues"
@@ -46,7 +46,7 @@
     "karma-webpack": "^1.7.0",
     "mocha": "^2.4.5",
     "pre-commit": "^1.1.1",
-    "standard": "^5.3.1",
+    "standard": "^6.0.7",
     "webpack": "^1.12.13"
   },
   "dependencies": {
diff --git a/src/index.js b/src/index.js
index 167da47..7f9683d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,24 +2,25 @@
  * Id is an object representation of a peer Id. a peer Id is a multihash
  */
 
-var fs = require('fs')
-var multihashing = require('multihashing')
-var base58 = require('bs58')
-var forge = require('node-forge')
-var protobuf = require('protocol-buffers')
+const fs = require('fs')
+const multihashing = require('multihashing')
+const base58 = require('bs58')
+const forge = require('node-forge')
+const protobuf = require('protocol-buffers')
+const path = require('path')
 
-var isNode = !global.window
+const isNode = !global.window
 
 // protobuf read from file
-var messages = isNode ? protobuf(fs.readFileSync(__dirname + '/../pb/crypto.proto'))
-                      : protobuf(require('buffer!./../pb/crypto.proto'))
+const messages = isNode ? protobuf(fs.readFileSync(path.resolve(__dirname, 'pb/crypto.proto')))
+                      : protobuf(require('buffer!./pb/crypto.proto'))
 
 exports = module.exports = Id
 
 exports.Buffer = Buffer
 
 function Id (id, privKey, pubKey) {
-  var self = this
+  const self = this
 
   if (!(self instanceof Id)) {
     throw new Error('Id must be called with new')
@@ -56,8 +57,7 @@ function Id (id, privKey, pubKey) {
 
 // unwrap the private key protobuf
 function unmarshal (key) {
-  var dpb = messages.PrivateKey.decode(key)
-  return dpb
+  return messages.PrivateKey.decode(key)
 }
 
 // create a public key protobuf to be base64 string stored in config
@@ -83,36 +83,36 @@ function marshal (data, type) {
 // this returns a base64 encoded protobuf of the public key
 function formatKey (key, type) {
   // create der buffer of public key asn.1 object
-  var der = forge.asn1.toDer(key)
+  const der = forge.asn1.toDer(key)
 
   // create forge buffer of der public key buffer
-  var fDerBuf = forge.util.createBuffer(der.data, 'binary')
+  const fDerBuf = forge.util.createBuffer(der.data, 'binary')
 
   // convert forge buffer to node buffer public key
-  var nDerBuf = new Buffer(fDerBuf.getBytes(), 'binary')
+  const nDerBuf = new Buffer(fDerBuf.getBytes(), 'binary')
 
   // protobuf the new DER bytes to the PublicKey Data: field
-  var marshalKey = marshal(nDerBuf, type)
+  const marshalKey = marshal(nDerBuf, type)
 
   // encode the protobuf public key to base64 string
-  var b64 = marshalKey.toString('base64')
+  const b64 = marshalKey.toString('base64')
   return b64
 }
 
 // generation
 exports.create = function () {
   // generate keys
-  var pair = forge.rsa.generateKeyPair({ bits: 2048, e: 0x10001 })
+  const pair = forge.rsa.generateKeyPair({ bits: 2048, e: 0x10001 })
 
   // return the RSA public/private key to asn1 object
-  var asnPub = forge.pki.publicKeyToAsn1(pair.publicKey)
-  var asnPriv = forge.pki.privateKeyToAsn1(pair.privateKey)
+  const asnPub = forge.pki.publicKeyToAsn1(pair.publicKey)
+  const asnPriv = forge.pki.privateKeyToAsn1(pair.privateKey)
 
   // format the keys to protobuf base64 encoded string
-  var protoPublic64 = formatKey(asnPub, 'Public')
-  var protoPrivate64 = formatKey(asnPriv, 'Private')
+  const protoPublic64 = formatKey(asnPub, 'Public')
+  const protoPrivate64 = formatKey(asnPriv, 'Private')
 
-  var mhId = multihashing(new Buffer(protoPublic64, 'base64'), 'sha2-256')
+  const mhId = multihashing(new Buffer(protoPublic64, 'base64'), 'sha2-256')
 
   return new Id(mhId, protoPrivate64, protoPublic64)
 }
@@ -130,35 +130,35 @@ exports.createFromB58String = function (str) {
 }
 
 exports.createFromPubKey = function (pubKey) {
-  var buf = new Buffer(pubKey, 'base64')
-  var mhId = multihashing(buf, 'sha2-256')
+  const buf = new Buffer(pubKey, 'base64')
+  const mhId = multihashing(buf, 'sha2-256')
   return new Id(mhId, null, pubKey)
 }
 
 exports.createFromPrivKey = function (privKey) {
   // create a buffer from the base64 encoded string
-  var buf = new Buffer(privKey, 'base64')
+  const buf = new Buffer(privKey, 'base64')
 
   // get the private key data from the protobuf
-  var mpk = unmarshal(buf)
+  const mpk = unmarshal(buf)
 
   // create a forge buffer
-  var fbuf = forge.util.createBuffer(mpk.Data.toString('binary'))
+  const fbuf = forge.util.createBuffer(mpk.Data.toString('binary'))
 
   // create an asn1 object from the private key bytes saved in the protobuf Data: field
-  var asnPriv = forge.asn1.fromDer(fbuf)
+  const asnPriv = forge.asn1.fromDer(fbuf)
 
   // get the RSA privatekey data from the asn1 object
-  var privateKey = forge.pki.privateKeyFromAsn1(asnPriv)
+  const privateKey = forge.pki.privateKeyFromAsn1(asnPriv)
 
   // set the RSA public key to the modulus and exponent of the private key
-  var publicKey = forge.pki.rsa.setPublicKey(privateKey.n, privateKey.e)
+  const publicKey = forge.pki.rsa.setPublicKey(privateKey.n, privateKey.e)
 
   // return the RSA public key to asn1 object
-  var asnPub = forge.pki.publicKeyToAsn1(publicKey)
+  const asnPub = forge.pki.publicKeyToAsn1(publicKey)
 
   // format the public key
-  var protoPublic64 = formatKey(asnPub, 'Public')
-  var mhId = multihashing(new Buffer(protoPublic64, 'base64'), 'sha2-256')
+  const protoPublic64 = formatKey(asnPub, 'Public')
+  const mhId = multihashing(new Buffer(protoPublic64, 'base64'), 'sha2-256')
   return new Id(mhId, privKey, protoPublic64)
 }
diff --git a/pb/crypto.proto b/src/pb/crypto.proto
similarity index 100%
rename from pb/crypto.proto
rename to src/pb/crypto.proto
diff --git a/tests/test.js b/tests/test.js
index 541a293..72922b7 100644
--- a/tests/test.js
+++ b/tests/test.js
@@ -20,38 +20,38 @@ const testIdB58String = 'QmQ2zigjQikYnyYUSXZydNXrDRhBut2mubwJBaLXobMt3A'
 describe('id', function (done) {
   this.timeout(30000)
 
-  it('create a new id', done => {
-    var id = PeerId.create()
+  it('create a new id', (done) => {
+    const id = PeerId.create()
     expect(id.toB58String().length).to.equal(46)
     done()
   })
 
-  it('recreate an Id from Hex string', done => {
-    var id = PeerId.createFromHexString(testIdHex)
+  it('recreate an Id from Hex string', (done) => {
+    const id = PeerId.createFromHexString(testIdHex)
     expect(testIdBytes).to.deep.equal(id.id)
     done()
   })
 
-  it('Recreate an Id from a Buffer', done => {
-    var id = PeerId.createFromBytes(testIdBytes)
+  it('Recreate an Id from a Buffer', (done) => {
+    const id = PeerId.createFromBytes(testIdBytes)
     expect(testId.id).to.equal(id.toHexString())
     done()
   })
 
-  it('Recreate a B58 String', done => {
-    var id = PeerId.createFromB58String(testIdB58String)
+  it('Recreate a B58 String', (done) => {
+    const id = PeerId.createFromB58String(testIdB58String)
     expect(testIdB58String).to.equal(id.toB58String())
     done()
   })
 
-  it('Recreate from a Public Key', done => {
-    var id = PeerId.createFromPubKey(testId.pubKey)
+  it('Recreate from a Public Key', (done) => {
+    const id = PeerId.createFromPubKey(testId.pubKey)
     expect(testIdB58String).to.equal(id.toB58String())
     done()
   })
 
-  it('Recreate from a Private Key', done => {
-    var id = PeerId.createFromPrivKey(testId.privKey)
+  it('Recreate from a Private Key', (done) => {
+    const id = PeerId.createFromPrivKey(testId.privKey)
     expect(testIdB58String).to.equal(id.toB58String())
     done()
   })