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Squashed 'src/secp256k1/' changes from 0cbc860..9d560f9
9d560f9 Merge XRPLF#428: Exhaustive recovery 2cee5fd exhaustive tests: add recovery module 8225239 Merge XRPLF#433: Make the libcrypto detection fail the newer API. 12de863 Make the libcrypto detection fail the newer API. 678b0e5 exhaustive tests: remove erroneous comment from ecdsa_sig_sign 2928420 Merge XRPLF#427: Remove Schnorr from travis as well 03ff8c2 group_impl.h: remove unused `secp256k1_ge_set_infinity` function a724d72 configure: add --enable-coverage to set options for coverage analysis b595163 recovery: add tests to cover API misusage 8eecc4a Remove Schnorr from travis as well 6f8ae2f ecdh: test NULL-checking of arguments 25e3cfb ecdsa_impl: replace scalar if-checks with VERIFY_CHECKs in ecdsa_sig_sign a8abae7 Merge XRPLF#310: Add exhaustive test for group functions on a low-order subgroup b4ceedf Add exhaustive test for verification 83836a9 Add exhaustive tests for group arithmetic, signing, and ecmult on a small group 20b8877 Add exhaustive test for group functions on a low-order subgroup 80773a6 Merge XRPLF#425: Remove Schnorr experiment e06e878 Remove Schnorr experiment 04c8ef3 Merge XRPLF#407: Modify parameter order of internal functions to match API parameter order 6e06696 Merge XRPLF#411: Remove guarantees about memcmp-ability 40c8d7e Merge XRPLF#421: Update scalar_4x64_impl.h a922365 Merge XRPLF#422: Restructure nonce clearing 3769783 Restructure nonce clearing 0f9e69d Restructure nonce clearing 9d67afa Update scalar_4x64_impl.h 7d15cd7 Merge XRPLF#413: fix auto-enabled static precompuatation 00c5d2e fix auto-enabled static precompuatation 91219a1 Remove guarantees about memcmp-ability 7a49cac Merge XRPLF#410: Add string.h include to ecmult_impl 0bbd5d4 Add string.h include to ecmult_impl 353c1bf Fix secp256k1_ge_set_table_gej_var parameter order 541b783 Fix secp256k1_ge_set_all_gej_var parameter order 7d893f4 Fix secp256k1_fe_inv_all_var parameter order c5b32e1 Merge XRPLF#405: Make secp256k1_fe_sqrt constant time 926836a Make secp256k1_fe_sqrt constant time e2a8e92 Merge XRPLF#404: Replace 3M + 4S doubling formula with 2M + 5S one 8ec49d8 Add note about 2M + 5S doubling formula 5a91bd7 Merge XRPLF#400: A couple minor cleanups ac01378 build: add -DSECP256K1_BUILD to benchmark_internal build flags a6c6f99 Remove a bunch of unused stdlib #includes 65285a6 Merge XRPLF#403: configure: add flag to disable OpenSSL tests a9b2a5d configure: add flag to disable OpenSSL tests b340123 Merge XRPLF#402: Add support for testing quadratic residues e6e9805 Add function for testing quadratic residue field/group elements. efd953a Add Jacobi symbol test via GMP fa36a0d Merge XRPLF#401: ecmult_const: unify endomorphism and non-endomorphism skew cases c6191fd ecmult_const: unify endomorphism and non-endomorphism skew cases 0b3e618 Merge XRPLF#378: .gitignore build-aux cleanup 6042217 Merge XRPLF#384: JNI: align shared files copyright/comments to bitcoinj's 24ad20f Merge XRPLF#399: build: verify that the native compiler works for static precomp b3be852 Merge XRPLF#398: Test whether ECDH and Schnorr are enabled for JNI aa0b1fd build: verify that the native compiler works for static precomp eee808d Test whether ECDH and Schnorr are enabled for JNI 7b0fb18 Merge XRPLF#366: ARM assembly implementation of field_10x26 inner (rebase of XRPLF#173) 001f176 ARM assembly implementation of field_10x26 inner 0172be9 Merge XRPLF#397: Small fixes for sha256 3f8b78e Fix undefs in hash_impl.h 2ab4695 Fix state size in sha256 struct 6875b01 Merge XRPLF#386: Add some missing `VERIFY_CHECK(ctx != NULL)` 2c52b5d Merge XRPLF#389: Cast pointers through uintptr_t under JNI 43097a4 Merge XRPLF#390: Update bitcoin-core GitHub links 31c9c12 Merge XRPLF#391: JNI: Only call ecdsa_verify if its inputs parsed correctly 1cb2302 Merge XRPLF#392: Add testcase which hits additional branch in secp256k1_scalar_sqr d2ee340 Merge XRPLF#388: bench_ecdh: fix call to secp256k1_context_create 093a497 Add testcase which hits additional branch in secp256k1_scalar_sqr a40c701 JNI: Only call ecdsa_verify if its inputs parsed correctly faa2a11 Update bitcoin-core GitHub links 47b9e78 Cast pointers through uintptr_t under JNI f36f9c6 bench_ecdh: fix call to secp256k1_context_create bcc4881 Add some missing `VERIFY_CHECK(ctx != NULL)` for functions that use `ARG_CHECK` 6ceea2c align shared files copyright/comments to bitcoinj's 70141a8 Update .gitignore 7b549b1 Merge XRPLF#373: build: fix x86_64 asm detection for some compilers bc7c93c Merge XRPLF#374: Add note about y=0 being possible on one of the sextic twists e457018 Merge XRPLF#364: JNI rebased 86e2d07 JNI library: cleanup, removed unimplemented code 3093576 JNI library bd2895f Merge pull request XRPLF#371 e72e93a Add note about y=0 being possible on one of the sextic twists 3f8fdfb build: fix x86_64 asm detection for some compilers e5a9047 [Trivial] Remove double semicolons c18b869 Merge pull request XRPLF#360 3026daa Merge pull request XRPLF#302 03d4611 Add sage verification script for the group laws a965937 Merge pull request XRPLF#361 83221ec Add experimental features to configure 5d4c5a3 Prevent damage_array in the signature test from going out of bounds. 419bf7f Merge pull request XRPLF#356 6c527ec Merge pull request XRPLF#357 445f7f1 Fix for Windows compile issue 03d84a4 Benchmark against OpenSSL verification 2bfb82b Merge pull request XRPLF#351 06aeea5 Turn secp256k1_ec_pubkey_serialize outlen to in/out 970164d Merge pull request XRPLF#348 64666251 Improvements for coordinate decompression e2100ad Merge pull request XRPLF#347 8e48787 Change secp256k1_ec_pubkey_combine's count argument to size_t. c69dea0 Clear output in more cases for pubkey_combine, adds tests. 269d422 Comment copyediting. b4d17da Merge pull request XRPLF#344 4709265 Merge pull request XRPLF#345 26abce7 Adds 32 static test vectors for scalar mul, sqr, inv. 5b71a3f Better error case handling for pubkey_create & pubkey_serialize, more tests. 3b7bc69 Merge pull request XRPLF#343 eed87af Change contrib/laxder from headers-only to files compilable as standalone C d7eb1ae Merge pull request XRPLF#342 7914a6e Make lax_der_privatekey_parsing.h not depend on internal code 73f64ff Merge pull request XRPLF#339 9234391 Overhaul flags handling 1a36898 Make flags more explicit, add runtime checks. 1a3e03a Merge pull request XRPLF#340 96be204 Add additional tests for eckey and arg-checks. bb5aa4d Make the tweak function zeroize-output-on-fail behavior consistent. 4a243da Move secp256k1_ec_privkey_import/export to contrib. 1b3efc1 Move secp256k1_ecdsa_sig_recover into the recovery module. e3cd679 Eliminate all side-effects from VERIFY_CHECK() usage. b30fc85 Avoid nonce_function_rfc6979 algo16 argument emulation. 70d4640 Make secp256k1_ec_pubkey_create skip processing invalid secret keys. 6c476a8 Minor comment improvements. 131afe5 Merge pull request XRPLF#334 0c6ab2f Introduce explicit lower-S normalization fea19e7 Add contrib/lax_der_parsing.h 3bb9c44 Rewrite ECDSA signature parsing code fa57f1b Use secp256k1_rand_int and secp256k1_rand_bits more 49b3749 Add new tests for the extra testrand functions f684d7d Faster secp256k1_rand_int implementation 251b1a6 Improve testrand: add extra random functions 31994c8 Merge pull request XRPLF#338 f79aa88 Bugfix: swap arguments to noncefp c98df26 Merge pull request XRPLF#319 67f7da4 Extensive interface and operations tests for secp256k1_ec_pubkey_parse. ee2cb40 Add ARG_CHECKs to secp256k1_ec_pubkey_parse/secp256k1_ec_pubkey_serialize 7450ef1 Merge pull request XRPLF#328 68a3c76 Merge pull request XRPLF#329 98135ee Merge pull request XRPLF#332 37100d7 improve ECDH header-doc b13d749 Fix couple of typos in API comments 7c823e3 travis: fixup module configs cc3141a Merge pull request XRPLF#325 ee58fae Merge pull request XRPLF#326 213aa67 Do not force benchmarks to be statically linked. 338fc8b Add API exports to secp256k1_nonce_function_default and secp256k1_nonce_function_rfc6979. 52fd03f Merge pull request XRPLF#320 9f6993f Remove some dead code. 357f8cd Merge pull request XRPLF#314 118cd82 Use explicit symbol visibility. 4e64608 Include public module headers when compiling modules. 1f41437 Merge pull request XRPLF#316 fe0d463 Merge pull request XRPLF#317 cfe0ed9 Fix miscellaneous style nits that irritate overactive static analysis. 2b199de Use the explicit NULL macro for pointer comparisons. 9e90516 Merge pull request XRPLF#294 dd891e0 Get rid of _t as it is POSIX reserved 201819b Merge pull request XRPLF#313 912f203 Eliminate a few unbraced statements that crept into the code. eeab823 Merge pull request XRPLF#299 486b9bb Use a flags bitfield for compressed option to secp256k1_ec_pubkey_serialize and secp256k1_ec_privkey_export 05732c5 Callback data: Accept pointers to either const or non-const data 1973c73 Bugfix: Reinitialise buffer lengths that have been used as outputs 788038d Use size_t for lengths (at least in external API) c9d7c2a secp256k1_context_set_{error,illegal}_callback: Restore default handler by passing NULL as function argument 9aac008 secp256k1_context_destroy: Allow NULL argument as a no-op 64b730b secp256k1_context_create: Use unsigned type for flags bitfield cb04ab5 Merge pull request XRPLF#309 a551669 Merge pull request XRPLF#295 81e45ff Update group_impl.h 85e3a2c Merge pull request XRPLF#112 b2eb63b Merge pull request XRPLF#293 dc0ce9f [API BREAK] Change argument order to out/outin/in 6d947ca Merge pull request XRPLF#298 c822693 Merge pull request XRPLF#301 6d04350 Merge pull request XRPLF#303 7ab311c Merge pull request XRPLF#304 5fb3229 Fixes a bug where bench_sign would fail due to passing in too small a buffer. 263dcbc remove unused assignment b183b41 bugfix: "ARG_CHECK(ctx != NULL)" makes no sense 6da1446 build: fix parallel build 5eb4356 Merge pull request XRPLF#291 c996d53 Print success 9f443be Move pubkey recovery code to separate module d49abbd Separate ECDSA recovery tests 439d34a Separate recoverable and normal signatures a7b046e Merge pull request XRPLF#289 f66907f Improve/reformat API documentation secp256k1.h 2f77487 Add context building benchmarks cc623d5 Merge pull request XRPLF#287 de7e398 small typo fix 9d96e36 Merge pull request XRPLF#280 432e1ce Merge pull request XRPLF#283 14727fd Use correct name in gitignore 356b0e9 Actually test static precomputation in Travis ff3a5df Merge pull request XRPLF#284 2587208 Merge pull request XRPLF#212 a5a66c7 Add support for custom EC-Schnorr-SHA256 signatures d84a378 Merge pull request XRPLF#252 72ae443 Improve perf. of cmov-based table lookup 92e53fc Implement endomorphism optimization for secp256k1_ecmult_const ed35d43 Make `secp256k1_scalar_add_bit` conditional; make `secp256k1_scalar_split_lambda_var` constant time 91c0ce9 Add benchmarks for ECDH and const-time multiplication 0739bbb Add ECDH module which works by hashing the output of ecmult_const 4401500 Add constant-time multiply `secp256k1_ecmult_const` for ECDH e4ce393 build: fix hard-coded usage of "gen_context" b8e39ac build: don't use BUILT_SOURCES for the static context header baa75da tests: add a couple tests ae4f0c6 Merge pull request XRPLF#278 995c548 Introduce callback functions for dealing with errors. c333074 Merge pull request XRPLF#282 18c329c Remove the internal secp256k1_ecdsa_sig_t type 74a2acd Add a secp256k1_ecdsa_signature_t type 23cfa91 Introduce secp256k1_pubkey_t type 4c63780 Merge pull request XRPLF#269 3e6f1e2 Change rfc6979 implementation to be a generic PRNG ed5334a Update configure.ac to make it build on OpenBSD 1b68366 Merge pull request XRPLF#274 a83bb48 Make ecmult static precomputation default 166b32f Merge pull request XRPLF#276 c37812f Add gen_context src/ecmult_static_context.h to CLEANFILES to fix distclean. 125c15d Merge pull request XRPLF#275 76f6769 Fix build with static ecmult altroot and make dist. 5133f78 Merge pull request XRPLF#254 b0a60e6 Merge pull request XRPLF#258 733c1e6 Add travis build to test the static context. fbecc38 Add ability to use a statically generated ecmult context. 4fb174d Merge pull request XRPLF#263 4ab8990 Merge pull request XRPLF#270 bdf0e0c Merge pull request XRPLF#271 31d0c1f Merge pull request XRPLF#273 eb2c8ff Add missing casts to SECP256K1_FE_CONST_INNER 55399c2 Further performance improvements to _ecmult_wnaf 99fd963 Add secp256k1_ec_pubkey_compress(), with test similar to the related decompress() function. 145cc6e Improve performance of _ecmult_wnaf 36b305a Verify the result of GMP modular inverse using non-GMP code e2a07c7 Fix compilation with C++ 2b4cf41 Use pkg-config always when possible, with failover to manual checks for libcrypto git-subtree-dir: src/secp256k1 git-subtree-split: 9d560f992db26612ce2630b194aef5f44d63a530
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