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100 Commits

Author SHA1 Message Date
Alejandro
b6b9834e8d small fixes 
restoring wycheproof files

restoring wycheproof files2
 2023-07-03 17:05:55 +02:00
Tim Ruffing
3aef6ab8e1
Merge bitcoin-core/secp256k1#1345: field: Static-assert that int args affecting magnitude are constant 
be8ff3a02aeff87c60d49883a1b2afa8b2999bbe field: Static-assert that int args affecting magnitude are constant (Tim Ruffing)

Pull request description:

  See #1001.

  Try to revert the lines in `tests.c` to see the error message in action.

ACKs for top commit:
  sipa:
    ACK be8ff3a02aeff87c60d49883a1b2afa8b2999bbe. Verified by introducing some non-constant expressions and seeing compilation fail.
  theStack:
    ACK be8ff3a02aeff87c60d49883a1b2afa8b2999bbe

Tree-SHA512: 8befec6ee64959cdc7f3e29b4b622410794cfaf69e9df8df17600390a93bc787dba5cf86239de6eb2e99c038b9aca5461e4b3c82f0e0c4cf066ad7c689941b19
 2023-06-27 09:39:10 +02:00
Tim Ruffing
5779137457 field: Document return value of fe_sqrt() 
Co-authored-by: Jonas Nick <jonasd.nick@gmail.com>
 2023-06-21 00:18:24 +02:00
Tim Ruffing
be8ff3a02a field: Static-assert that int args affecting magnitude are constant 
See #1001.
 2023-06-13 13:34:49 +02:00
Sebastian Falbesoner
605e07e365 fix input range comment for secp256k1_fe_add_int 
This seems to be a typo that was introduced with commit
4371f98346b0a50c0a77e93948fe5e21d9346d06 (PR #1066).
 2023-06-01 02:55:12 +02:00
Pieter Wuille
31b4bbee1e Make fe_cmov take max of magnitudes 2023-05-15 09:36:55 -04:00
Pieter Wuille
5b32602295 Split fe_set_b32 into reducing and normalizing variants 2023-05-11 13:49:33 -04:00
Pieter Wuille
4e176ad5b9 Abstract out verify logic for fe_is_square_var 2023-05-11 06:25:56 -04:00
Pieter Wuille
4371f98346 Abstract out verify logic for fe_add_int 2023-05-11 06:25:19 -04:00
Pieter Wuille
89e324c6b9 Abstract out verify logic for fe_half 2023-05-11 06:25:15 -04:00
Pieter Wuille
283cd80ab4 Abstract out verify logic for fe_get_bounds 2023-05-11 06:24:26 -04:00
Pieter Wuille
d5aa2f0358 Abstract out verify logic for fe_inv{,_var} 2023-05-11 06:24:26 -04:00
Pieter Wuille
3167646072 Abstract out verify logic for fe_from_storage 2023-05-11 06:24:26 -04:00
Pieter Wuille
76d31e5047 Abstract out verify logic for fe_to_storage 2023-05-11 06:24:26 -04:00
Pieter Wuille
1e6894bdd7 Abstract out verify logic for fe_cmov 2023-05-11 06:24:26 -04:00
Pieter Wuille
be82bd8e03 Improve comments/checks for fe_sqrt 2023-05-11 06:24:22 -04:00
Pieter Wuille
6ab35082ef Abstract out verify logic for fe_sqr 2023-05-11 06:18:40 -04:00
Pieter Wuille
4c25f6efbd Abstract out verify logic for fe_mul 2023-05-11 06:18:40 -04:00
Pieter Wuille
e179e651cb Abstract out verify logic for fe_add 2023-05-11 06:18:40 -04:00
Pieter Wuille
7e7ad7ff57 Abstract out verify logic for fe_mul_int 2023-05-11 06:18:40 -04:00
Pieter Wuille
65d82a3445 Abstract out verify logic for fe_negate 2023-05-11 06:18:40 -04:00
Pieter Wuille
144670893e Abstract out verify logic for fe_get_b32 2023-05-11 06:18:40 -04:00
Pieter Wuille
f7a7666aeb Abstract out verify logic for fe_set_b32 2023-05-11 06:18:40 -04:00
Pieter Wuille
ce4d2093e8 Abstract out verify logic for fe_cmp_var 2023-05-11 06:18:40 -04:00
Pieter Wuille
7d7d43c6dd Improve comments/check for fe_equal{,_var} 2023-05-11 06:18:40 -04:00
Pieter Wuille
c5e788d672 Abstract out verify logic for fe_is_odd 2023-05-11 06:18:40 -04:00
Pieter Wuille
d3f3fe8616 Abstract out verify logic for fe_is_zero 2023-05-11 06:18:40 -04:00
Pieter Wuille
c701d9a471 Abstract out verify logic for fe_clear 2023-05-11 06:18:40 -04:00
Pieter Wuille
19a2bfeeea Abstract out verify logic for fe_set_int 2023-05-11 06:18:40 -04:00
Pieter Wuille
864f9db491 Abstract out verify logic for fe_normalizes_to_zero{,_var} 2023-05-11 06:18:40 -04:00
Pieter Wuille
6c31371120 Abstract out verify logic for fe_normalize_var 2023-05-11 06:18:40 -04:00
Pieter Wuille
e28b51f522 Abstract out verify logic for fe_normalize_weak 2023-05-11 06:18:40 -04:00
Pieter Wuille
b6b6f9cb97 Abstract out verify logic for fe_normalize 2023-05-11 06:18:40 -04:00
Pieter Wuille
7fa5195559 Bugfix: correct SECP256K1_FE_CONST mag/norm fields 2023-05-11 06:18:37 -04:00
Pieter Wuille
b29566c51b Merge magnitude/normalized fields, move/improve comments 
Also split secp256k1_fe_verify into a generic and an implementation
specific part.
 2023-05-11 04:25:19 -04:00
Pieter Wuille
0a2e0b2ae4 Make secp256k1_{fe,ge,gej}_verify work as no-op if non-VERIFY 2023-05-10 09:25:09 -04:00
Pieter Wuille
3086cb90ac Expose secp256k1_fe_verify to other modules 2023-05-10 09:06:02 -04:00
Jonas Nick
1f33bb2b1c
Merge bitcoin-core/secp256k1#1205: field: Improve docs +tests of secp256k1_fe_set_b32 
162da73e9a48875aab1ee6ca1c14f86ca4646946 tests: Add debug helper for printing buffers (Tim Ruffing)
e9fd3dff76e30fcd83d060ad9195cadae9cdc9a2 field: Improve docs and tests of secp256k1_fe_set_b32 (Tim Ruffing)
ca92a35d019730aec9d3ec8097dcbb9633a69874 field: Simplify code in secp256k1_fe_set_b32 (Tim Ruffing)
d93f62e3693d6763891edcad11472f9d475177e5 field: Verify field element even after secp256k1_fe_set_b32 fails (Tim Ruffing)

Pull request description:

ACKs for top commit:
  jonasnick:
    ACK 162da73e9a48875aab1ee6ca1c14f86ca4646946

Tree-SHA512: b3ed8e45c969d0420275ff154462f3820b72b57832ccba1f6f427e0cfd9cff3e27440c20994f69ea33a576b1903eb7f04a989f0dbd574bbd96ee56c6dd4500f7
 2023-04-21 16:23:59 +00:00
Tim Ruffing
e9fd3dff76 field: Improve docs and tests of secp256k1_fe_set_b32 2023-04-21 17:20:37 +02:00
Pieter Wuille
b081f7e4cb Add secp256k1_fe_add_int function 2023-03-02 17:09:25 -05:00
Pieter Wuille
6be01036c8 Add secp256k1_fe_is_square_var function 
The implementation calls the secp256k1_modinvNN_jacobi_var code, falling back
to computing a square root in the (extremely rare) case it failed converge.
 2023-02-28 15:57:32 -05:00
Hennadii Stepanov
b627ba7050
Remove dependency on src/libsecp256k1-config.h 
This change eases the use of alternate build systems by moving
the variables in `src/libsecp256k1-config.h` to compiler macros
for each invocation, preventing duplication of these variables
for each build system.

Co-authored-by: Ali Sherief <ali@notatether.com>
 2022-12-15 10:56:16 +00:00
Peter Dettman
d64bb5d4f3 Add fe_half tests for worst-case inputs 
- Add field method _fe_get_bounds
 2022-02-01 17:51:05 +07:00
Peter Dettman
925f78d55e Add _fe_half and use in _gej_add_ge 
- Trades 1 _half for 3 _mul_int and 2 _normalize_weak
- Updated formula and comments in _gej_add_ge
- Added internal benchmark for _fe_half
 2022-01-31 19:41:01 +07:00
Russell O'Connor
b3b57ad6ee Eliminate the pre_a_lam array from ecmult_strauss_wnaf. 2022-01-19 11:51:43 -05:00
Russell O'Connor
c9da1baad1 Move secp256k1_fe_one to field.h 
This makes secp256k1_fe_one part of field.h's interface, and allows other modules to appropriately access the constant.
 2022-01-19 09:53:02 -05:00
Russell O'Connor
2888640132 VERIFY_CHECK precondition for secp256k1_fe_set_int. 2021-10-15 11:27:24 -04:00
Tim Ruffing
d49011f54c Make _set_fe_int( . , 0 ) set magnitude to 0 2021-10-15 11:20:27 -04:00
Jonas Nick
c083cc6e52
Merge #903: Make argument of fe_normalizes_to_zero{_var} const 
23c3fb629b905deebc4bcc9914bcfff7b9aedacd Make argument of fe_normalizes_to_zero{_var} const (Pieter Wuille)

Pull request description:

ACKs for top commit:
  real-or-random:
    ACK 23c3fb629b905deebc4bcc9914bcfff7b9aedacd diff looks good
  jonasnick:
    ACK 23c3fb629b905deebc4bcc9914bcfff7b9aedacd

Tree-SHA512: a51894a9e59851dc4854e92e4200ef6d12a11f6785b903c23585cfff5ef8d369216f4121260fe8789d46d3e215f3c2baa42decae99ab9328e8081f5274e67fab
 2021-03-26 14:57:01 +00:00
Pieter Wuille
23c3fb629b Make argument of fe_normalizes_to_zero{_var} const 2021-03-15 16:01:57 -07:00