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test: skip/replace weak crypto tests in FIPS mode
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FIPS 140-2 does not permit the use of MD5 and RC4, skip or tests
that use them, or substitute with stronger crypto where applicable.

PR-URL: #3757
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Reviewed-By: James Snell <jasnell@gmail.com>
Reviewed-By: Shigeki Ohtsu <ohtsu@iij.ad.jp>
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@stefanmb @jasnell
stefanmb authored and jasnell committed Dec 17, 2015
1 parent 3f9562b commit 4a26f74
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Showing 9 changed files with 89 additions and 66 deletions.
26 changes: 16 additions & 10 deletions test/parallel/test-crypto-binary-default.js
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Original file line number Diff line number Diff line change
Expand Up @@ -324,11 +324,13 @@ var rfc2202_sha1 = [
];

for (var i = 0, l = rfc2202_md5.length; i < l; i++) {
assert.equal(rfc2202_md5[i]['hmac'],
crypto.createHmac('md5', rfc2202_md5[i]['key'])
.update(rfc2202_md5[i]['data'])
.digest('hex'),
'Test HMAC-MD5 : Test case ' + (i + 1) + ' rfc 2202');
if (!common.hasFipsCrypto) {
assert.equal(rfc2202_md5[i]['hmac'],
crypto.createHmac('md5', rfc2202_md5[i]['key'])
.update(rfc2202_md5[i]['data'])
.digest('hex'),
'Test HMAC-MD5 : Test case ' + (i + 1) + ' rfc 2202');
}
}
for (var i = 0, l = rfc2202_sha1.length; i < l; i++) {
assert.equal(rfc2202_sha1[i]['hmac'],
Expand All @@ -339,15 +341,19 @@ for (var i = 0, l = rfc2202_sha1.length; i < l; i++) {
}

// Test hashing
var a0 = crypto.createHash('sha1').update('Test123').digest('hex');
var a1 = crypto.createHash('md5').update('Test123').digest('binary');
var a1 = crypto.createHash('sha1').update('Test123').digest('hex');
var a2 = crypto.createHash('sha256').update('Test123').digest('base64');
var a3 = crypto.createHash('sha512').update('Test123').digest(); // binary
var a4 = crypto.createHash('sha1').update('Test123').digest('buffer');

assert.equal(a0, '8308651804facb7b9af8ffc53a33a22d6a1c8ac2', 'Test SHA1');
assert.equal(a1, 'h\u00ea\u00cb\u0097\u00d8o\fF!\u00fa+\u000e\u0017\u00ca' +
'\u00bd\u008c', 'Test MD5 as binary');
if (!common.hasFipsCrypto) {
var a0 = crypto.createHash('md5').update('Test123').digest('binary');
assert.equal(a0, 'h\u00ea\u00cb\u0097\u00d8o\fF!\u00fa+\u000e\u0017\u00ca' +
'\u00bd\u008c', 'Test MD5 as binary');
}

assert.equal(a1, '8308651804facb7b9af8ffc53a33a22d6a1c8ac2', 'Test SHA1');

assert.equal(a2, '2bX1jws4GYKTlxhloUB09Z66PoJZW+y+hq5R8dnx9l4=',
'Test SHA256 as base64');

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12 changes: 7 additions & 5 deletions test/parallel/test-crypto-hash.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,7 @@ if (!common.hasCrypto) {
var crypto = require('crypto');

// Test hashing
var a0 = crypto.createHash('sha1').update('Test123').digest('hex');
var a1 = crypto.createHash('md5').update('Test123').digest('binary');
var a1 = crypto.createHash('sha1').update('Test123').digest('hex');
var a2 = crypto.createHash('sha256').update('Test123').digest('base64');
var a3 = crypto.createHash('sha512').update('Test123').digest(); // binary
var a4 = crypto.createHash('sha1').update('Test123').digest('buffer');
Expand All @@ -38,9 +37,12 @@ a8.write('');
a8.end();
a8 = a8.read();

assert.equal(a0, '8308651804facb7b9af8ffc53a33a22d6a1c8ac2', 'Test SHA1');
assert.equal(a1, 'h\u00ea\u00cb\u0097\u00d8o\fF!\u00fa+\u000e\u0017\u00ca' +
'\u00bd\u008c', 'Test MD5 as binary');
if (!common.hasFipsCrypto) {
var a0 = crypto.createHash('md5').update('Test123').digest('binary');
assert.equal(a0, 'h\u00ea\u00cb\u0097\u00d8o\fF!\u00fa+\u000e\u0017\u00ca' +
'\u00bd\u008c', 'Test MD5 as binary');
}
assert.equal(a1, '8308651804facb7b9af8ffc53a33a22d6a1c8ac2', 'Test SHA1');
assert.equal(a2, '2bX1jws4GYKTlxhloUB09Z66PoJZW+y+hq5R8dnx9l4=',
'Test SHA256 as base64');
assert.deepEqual(
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17 changes: 11 additions & 6 deletions test/parallel/test-crypto-hmac.js
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Expand Up @@ -61,6 +61,9 @@ var wikipedia = [

for (var i = 0, l = wikipedia.length; i < l; i++) {
for (var hash in wikipedia[i]['hmac']) {
// FIPS does not support MD5.
if (common.hasFipsCrypto && hash == 'md5' )
continue;
var result = crypto.createHmac(hash, wikipedia[i]['key'])
.update(wikipedia[i]['data'])
.digest('hex');
Expand Down Expand Up @@ -346,12 +349,14 @@ var rfc2202_sha1 = [
}
];

for (var i = 0, l = rfc2202_md5.length; i < l; i++) {
assert.equal(rfc2202_md5[i]['hmac'],
crypto.createHmac('md5', rfc2202_md5[i]['key'])
.update(rfc2202_md5[i]['data'])
.digest('hex'),
'Test HMAC-MD5 : Test case ' + (i + 1) + ' rfc 2202');
if (!common.hasFipsCrypto) {
for (var i = 0, l = rfc2202_md5.length; i < l; i++) {
assert.equal(rfc2202_md5[i]['hmac'],
crypto.createHmac('md5', rfc2202_md5[i]['key'])
.update(rfc2202_md5[i]['data'])
.digest('hex'),
'Test HMAC-MD5 : Test case ' + (i + 1) + ' rfc 2202');
}
}
for (var i = 0, l = rfc2202_sha1.length; i < l; i++) {
assert.equal(rfc2202_sha1[i]['hmac'],
Expand Down
28 changes: 15 additions & 13 deletions test/parallel/test-crypto-stream.js
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Expand Up @@ -26,19 +26,21 @@ Stream2buffer.prototype._write = function(data, encodeing, done) {
return done(null);
};

// Create an md5 hash of "Hallo world"
var hasher1 = crypto.createHash('md5');
hasher1.pipe(new Stream2buffer(common.mustCall(function end(err, hash) {
assert.equal(err, null);
assert.equal(hash.toString('hex'), '06460dadb35d3d503047ce750ceb2d07');
})));
hasher1.end('Hallo world');

// Simpler check for unpipe, setEncoding, pause and resume
crypto.createHash('md5').unpipe({});
crypto.createHash('md5').setEncoding('utf8');
crypto.createHash('md5').pause();
crypto.createHash('md5').resume();
if (!common.hasFipsCrypto) {
// Create an md5 hash of "Hallo world"
var hasher1 = crypto.createHash('md5');
hasher1.pipe(new Stream2buffer(common.mustCall(function end(err, hash) {
assert.equal(err, null);
assert.equal(hash.toString('hex'), '06460dadb35d3d503047ce750ceb2d07');
})));
hasher1.end('Hallo world');

// Simpler check for unpipe, setEncoding, pause and resume
crypto.createHash('md5').unpipe({});
crypto.createHash('md5').setEncoding('utf8');
crypto.createHash('md5').pause();
crypto.createHash('md5').resume();
}

// Decipher._flush() should emit an error event, not an exception.
var key = new Buffer('48fb56eb10ffeb13fc0ef551bbca3b1b', 'hex'),
Expand Down
2 changes: 1 addition & 1 deletion test/parallel/test-tls-ecdh.js
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Expand Up @@ -14,7 +14,7 @@ var fs = require('fs');
var options = {
key: fs.readFileSync(common.fixturesDir + '/keys/agent2-key.pem'),
cert: fs.readFileSync(common.fixturesDir + '/keys/agent2-cert.pem'),
ciphers: '-ALL:ECDHE-RSA-RC4-SHA',
ciphers: '-ALL:ECDHE-RSA-AES128-SHA256',
ecdhCurve: 'prime256v1'
};

Expand Down
2 changes: 1 addition & 1 deletion test/parallel/test-tls-getcipher.js
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Expand Up @@ -9,7 +9,7 @@ if (!common.hasCrypto) {
var tls = require('tls');

var fs = require('fs');
var cipher_list = ['RC4-SHA', 'AES256-SHA'];
var cipher_list = ['AES128-SHA256', 'AES256-SHA256'];
var cipher_version_pattern = /TLS|SSL/;
var options = {
key: fs.readFileSync(common.fixturesDir + '/keys/agent2-key.pem'),
Expand Down
2 changes: 1 addition & 1 deletion test/parallel/test-tls-set-ciphers.js
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Expand Up @@ -19,7 +19,7 @@ var fs = require('fs');
var options = {
key: fs.readFileSync(common.fixturesDir + '/keys/agent2-key.pem'),
cert: fs.readFileSync(common.fixturesDir + '/keys/agent2-cert.pem'),
ciphers: 'RC4-MD5'
ciphers: 'DES-CBC3-SHA'
};

var reply = 'I AM THE WALRUS'; // something recognizable
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21 changes: 12 additions & 9 deletions test/pummel/test-crypto-dh.js
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Expand Up @@ -20,27 +20,30 @@ assert.throws(function() {
});

var hashes = {
modp1 : 'b4b330a6ffeacfbd861e7fe2135b4431',
modp2 : '7c3c5cad8b9f378d88f1dd64a4b6413a',
modp5 : 'b1d2acc22c542e08669a5c5ae812694d',
modp14 : '8d041538cecc1a7d915ba4b718f8ad20',
modp15 : 'dc3b93def24e078c4fbf92d5e14ba69b',
modp16 : 'a273487f46f699461f613b3878d9dfd9',
modp17 : 'dc76e09935310348c492de9bd82014d0',
modp18 : 'db08973bfd2371758a69db180871c993'
modp1 : '630e9acd2cc63f7e80d8507624ba60ac0757201a',
modp2 : '18f7aa964484137f57bca64b21917a385b6a0b60',
modp5 : 'c0a8eec0c2c8a5ec2f9c26f9661eb339a010ec61',
modp14 : 'af5455606fe74cec49782bb374e4c63c9b1d132c',
modp15 : '7bdd39e5cdbb9748113933e5c2623b559c534e74',
modp16 : 'daea5277a7ad0116e734a8e0d2f297ef759d1161',
modp17 : '3b62aaf0142c2720f0bf26a9589b0432c00eadc1',
modp18 : 'a870b491bbbec9b131ae9878d07449d32e54f160'
};

for (var name in hashes) {
var group = crypto.getDiffieHellman(name);
var private_key = group.getPrime('hex');
var hash1 = hashes[name];
var hash2 = crypto.createHash('md5')
var hash2 = crypto.createHash('sha1')
.update(private_key.toUpperCase()).digest('hex');
assert.equal(hash1, hash2);
assert.equal(group.getGenerator('hex'), '02');
}

for (var name in hashes) {
// modp1 is 768 bits, FIPS requires >= 1024
if (name == 'modp1' && common.hasFipsCrypto)
continue;
var group1 = crypto.getDiffieHellman(name);
var group2 = crypto.getDiffieHellman(name);
group1.generateKeys();
Expand Down
45 changes: 25 additions & 20 deletions test/sequential/test-tls-honorcipherorder.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,9 +10,10 @@ var tls = require('tls');

var fs = require('fs');
var nconns = 0;
// test only in TLSv1 to use DES which is no longer supported TLSv1.2
// to be safe when the default method is updated in the future
var SSL_Method = 'TLSv1_method';

// We explicitly set TLS version to 1.2 so as to be safe when the
// default method is updated in the future
var SSL_Method = 'TLSv1_2_method';
var localhost = '127.0.0.1';

process.on('exit', function() {
Expand All @@ -24,7 +25,8 @@ function test(honorCipherOrder, clientCipher, expectedCipher, cb) {
secureProtocol: SSL_Method,
key: fs.readFileSync(common.fixturesDir + '/keys/agent2-key.pem'),
cert: fs.readFileSync(common.fixturesDir + '/keys/agent2-cert.pem'),
ciphers: 'DES-CBC-SHA:AES256-SHA:RC4-SHA:ECDHE-RSA-AES256-SHA',
ciphers: 'AES256-SHA256:AES128-GCM-SHA256:AES128-SHA256:' +
'ECDHE-RSA-AES128-GCM-SHA256',
honorCipherOrder: !!honorCipherOrder
};

Expand Down Expand Up @@ -57,37 +59,40 @@ test1();

function test1() {
// Client has the preference of cipher suites by default
test(false, 'AES256-SHA:DES-CBC-SHA:RC4-SHA', 'AES256-SHA', test2);
test(false, 'AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256',
'AES128-GCM-SHA256', test2);
}

function test2() {
// Server has the preference of cipher suites where DES-CBC-SHA is in
// the first.
test(true, 'AES256-SHA:DES-CBC-SHA:RC4-SHA', 'DES-CBC-SHA', test3);
// Server has the preference of cipher suites, and AES256-SHA256 is
// the server's top choice.
test(true, 'AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256',
'AES256-SHA256', test3);
}

function test3() {
// Server has the preference of cipher suites. RC4-SHA is given
// higher priority over DES-CBC-SHA among client cipher suites.
test(true, 'RC4-SHA:AES256-SHA', 'AES256-SHA', test4);
// Server has the preference of cipher suites. AES128-GCM-SHA256 is given
// higher priority over AES128-SHA256 among client cipher suites.
test(true, 'AES128-SHA256:AES128-GCM-SHA256', 'AES128-GCM-SHA256', test4);

}

function test4() {
// As client has only one cipher, server has no choice in regardless
// As client has only one cipher, server has no choice, irrespective
// of honorCipherOrder.
test(true, 'RC4-SHA', 'RC4-SHA', test5);
test(true, 'AES128-SHA256', 'AES128-SHA256', test5);
}

function test5() {
// Client did not explicitly set ciphers. Ensure that client defaults to
// sane ciphers. Even though server gives top priority to DES-CBC-SHA
// it should not be negotiated because it's not in default client ciphers.
test(true, null, 'AES256-SHA', test6);
// Client did not explicitly set ciphers and client offers
// tls.DEFAULT_CIPHERS. All ciphers of the server are included in the
// default list so the negotiated cipher is selected according to the
// server's top preference of AES256-SHA256.
test(true, null, 'AES256-SHA256', test6);
}

function test6() {
// Ensure that `tls.DEFAULT_CIPHERS` is used
SSL_Method = 'TLSv1_2_method';
tls.DEFAULT_CIPHERS = 'ECDHE-RSA-AES256-SHA';
test(true, null, 'ECDHE-RSA-AES256-SHA');
tls.DEFAULT_CIPHERS = 'ECDHE-RSA-AES128-GCM-SHA256';
test(true, null, 'ECDHE-RSA-AES128-GCM-SHA256');
}

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