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secp256k1
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236 Commits

Author SHA1 Message Date
Peter Dettman 7d681ac636 Add verification to 32bit field 
- implement _fe_verify for 10x26
- fe is normalized after _fe_clear
- a few corresponding changes in 64bit field
 2014-11-01 16:58:42 +07:00
Pieter Wuille 27aded3ccb
Merge pull request #80 
504c63d Rename bench to bench_verify (Pieter Wuille)
01097dd Make bench deterministic (Pieter Wuille)
 2014-10-31 08:10:08 -07:00
Pieter Wuille 504c63d72a Rename bench to bench_verify 2014-10-31 03:34:36 -07:00
Pieter Wuille 01097ddf19 Make bench deterministic 2014-10-31 03:34:36 -07:00
Pieter Wuille 81dc171604
Merge pull request #79 
ae2679b Add bench_inv tool (Pieter Wuille)
 2014-10-31 02:19:18 -07:00
Pieter Wuille 66002cfa87
Merge pull request #78 
520ba3c Remove OpenSSL bignum implementation (Pieter Wuille)
 2014-10-31 02:17:31 -07:00
Pieter Wuille 520ba3c921 Remove OpenSSL bignum implementation 2014-10-31 02:10:13 -07:00
Pieter Wuille ae2679b6e4 Add bench_inv tool 2014-10-30 06:26:05 -07:00
Pieter Wuille 9c698f16d6
Merge pull request #76 
7935930 Add unit tests for scalars. (Pieter Wuille)
eca6cdb Switch scalar to use get/set 32-byte arrays (Pieter Wuille)
 2014-10-30 06:09:29 -07:00
Pieter Wuille 79359302fb Add unit tests for scalars. 
Also add a secp256k1_scalar_is_one function.
 2014-10-29 02:11:07 -07:00
Pieter Wuille eca6cdb123 Switch scalar to use get/set 32-byte arrays 2014-10-29 00:40:56 -07:00
Pieter Wuille 774594e979
Merge pull request #75 
a9f5c8b Introduce secp256k1_scalar_t for future constant-time mod order operations (Pieter Wuille)
 2014-10-29 00:33:12 -07:00
Pieter Wuille a9f5c8b875 Introduce secp256k1_scalar_t for future constant-time mod order operations 2014-10-28 04:33:23 -07:00
Pieter Wuille b2bfdabdeb
Merge pull request #72 
eb74c36 Abstract out tweak logic to secp256k1_eckey_* functions (Pieter Wuille)
ffffc87 Use internal secp256k1_eckey_ prefix for functions in eckey (Pieter Wuille)
e2f71f1 Move non-ECDSA operations from ecdsa to eckey (Pieter Wuille)
ae6bc76 [API CHANGE] Use secp256k1_ec_ prefix for non-ECDSA key operations (Pieter Wuille)
 2014-10-27 05:18:25 -07:00
Pieter Wuille eb74c36bd2 Abstract out tweak logic to secp256k1_eckey_* functions 2014-10-27 03:27:55 -07:00
Pieter Wuille ffffc87855 Use internal secp256k1_eckey_ prefix for functions in eckey 2014-10-27 03:01:51 -07:00
Pieter Wuille e2f71f1efe Move non-ECDSA operations from ecdsa to eckey 2014-10-27 02:58:09 -07:00
Pieter Wuille ae6bc76e32 [API CHANGE] Use secp256k1_ec_ prefix for non-ECDSA key operations 2014-10-27 02:51:58 -07:00
Pieter Wuille dc407ed48c
Avoid valgrind complaints in OpenSSL initialization check 2014-10-27 02:27:58 -07:00
Pieter Wuille 79f599d37f
Tests take too long by default 2014-10-27 02:25:56 -07:00
Pieter Wuille 03bfc07b9e
Avoid uninitialized access in secp256k1_gej_double 2014-10-26 06:51:38 -07:00
Pieter Wuille bff11e9112
Verify num=openssl initialization and check repeatability 2014-10-26 05:39:13 -07:00
Pieter Wuille b650ab50f7
Merge pull request #71 
949c1eb Split up ecmult and ecmult_gen entirely (Pieter Wuille)
 2014-10-26 03:55:46 -07:00
Pieter Wuille 949c1ebb5e Split up ecmult and ecmult_gen entirely 2014-10-26 03:42:24 -07:00
Pieter Wuille bd696ebd3f
Merge pull request #68 
3fd6253 Better randomization for tests (Pieter Wuille)
 2014-10-20 00:04:36 -07:00
Pieter Wuille 3fd6253e13 Better randomization for tests 2014-10-17 16:04:00 -07:00
Pieter Wuille fabdcc633e
Merge pull request #67 
bae6a42 Make bench use external interface (Pieter Wuille)
 2014-09-29 08:55:21 +02:00
Pieter Wuille bae6a42be4 Make bench use external interface 2014-09-29 08:21:59 +02:00
Pieter Wuille b00982fdbd
Merge pull request #60 
c259a7c Set precomputation table late and unset early. (Pieter Wuille)
04e34d1 Split up signing and verification initialization (Pieter Wuille)
 2014-09-28 06:00:31 +02:00
Pieter Wuille c259a7cbc0 Set precomputation table late and unset early. 
Set the global pointer to the precomputation table only after initializing
it completely, and unset it before doing any uninitialization.

This causes fail-fast behavior in case of race conditions between
initialization and operations using it.
 2014-09-13 17:19:30 +02:00
Pieter Wuille 04e34d18c3 Split up signing and verification initialization 2014-09-13 17:14:17 +02:00
Pieter Wuille da556eb772
Merge pull request #62 
1136bed Make secp256k1_ge_set_gej work with the point at infinity (Pieter Wuille)
 2014-09-13 16:26:27 +02:00
Pieter Wuille 1136bedbc2 Make secp256k1_ge_set_gej work with the point at infinity 2014-09-13 00:46:32 +02:00
Pieter Wuille a3e5d5d0ea
Merge pull request #57 
62c3f55 Nothing-up-my-sleeving blinding for a*G (Pieter Wuille)
 2014-09-01 23:09:59 +02:00
Pieter Wuille f023dc53c4
Merge pull request #58 
3ed6dfa Only use the libcrypto part of OpenSSL (Pieter Wuille)
 2014-09-01 22:07:39 +02:00
Pieter Wuille 3ed6dfae69 Only use the libcrypto part of OpenSSL 2014-09-01 19:45:51 +02:00
Pieter Wuille 62c3f55a9d Nothing-up-my-sleeving blinding for a*G 2014-09-01 14:56:12 +02:00
Pieter Wuille d531b04ea9
Merge pull request #56 
fa492f0 Fix a signedness mistake in secp256k1_num_set_hex (Pieter Wuille)
 2014-08-28 02:22:02 +02:00
Pieter Wuille fa492f059d Fix a signedness mistake in secp256k1_num_set_hex 
We were using a potentially signed char as index in an array.
 2014-08-27 01:21:57 +02:00
Pieter Wuille e2beb0bd2d
Merge pull request #51 
364fde6 fix unsigned warning in num_gmp_impl.h (caktux)
 2014-08-27 01:20:19 +02:00
Pieter Wuille 9a57dd278a
Merge pull request #54 
1c7fa13 Add VERIFY_CHECK/DEBUG_CHECK and use CHECK macros more (Pieter Wuille)
 2014-08-26 15:00:44 +02:00
Pieter Wuille 1c7fa133a6 Add VERIFY_CHECK/DEBUG_CHECK and use CHECK macros more 2014-08-26 01:23:51 +02:00
Pieter Wuille 41863ce2ca
Merge pull request #55 
8881212 Make tests and bench just use asm directly instead of library (Pieter Wuille)
 2014-08-24 02:16:06 +02:00
Pieter Wuille 87c782f632
Merge pull request #53 
2f6c801 Try to not leave secret data on the stack or heap. (Gregory Maxwell)
 2014-08-23 14:13:10 +02:00
Pieter Wuille 8881212ebc Make tests and bench just use asm directly instead of library 
Thanks to Cory Fields for the suggestion.
 2014-08-19 13:40:19 +02:00
Pieter Wuille 8a0ee2357a
Merge pull request #50 
1a749b4 Add secp256k1_num_eq and use it in tests (Pieter Wuille)
 2014-08-17 15:47:45 +02:00
Gregory Maxwell 2f6c801911
Try to not leave secret data on the stack or heap. 
This makes a basic effort and has not been audited.
Doesn't appear to have a measurable performance impact on bench.

It also adds a secp256k1_num_free to secp256k1_ecdsa_pubkey_create.
 2014-08-14 07:06:36 -07:00
caktux 364fde65f6 fix unsigned warning in num_gmp_impl.h 2014-08-11 16:09:09 -04:00
Pieter Wuille 1a749b4a6e Add secp256k1_num_eq and use it in tests 2014-08-09 19:22:42 +02:00
Pieter Wuille 13e44df743
Merge pull request #49 
25f4aec Add high-level secp256k1.c tests (Pieter Wuille)
 2014-08-03 21:55:07 +02:00