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Git Repo - secp256k1.git/log
Pieter Wuille [Fri, 12 Dec 2014 14:46:27 +0000 (15:46 +0100)]
Merge pull request #156
8336040 build: disable benchmark by default (Cory Fields)
Pieter Wuille [Fri, 12 Dec 2014 13:50:07 +0000 (14:50 +0100)]
Merge pull request #158
28ade27 build: nuke bashisms (Cory Fields)
Cory Fields [Fri, 12 Dec 2014 02:24:35 +0000 (21:24 -0500)]
build: nuke bashisms
Cory Fields [Fri, 12 Dec 2014 01:09:19 +0000 (20:09 -0500)]
build: disable benchmark by default
Pieter Wuille [Thu, 11 Dec 2014 00:36:01 +0000 (01:36 +0100)]
Merge pull request #150
cf7b2b4 Fix ECDSA message hashes to 32 bytes (Pieter Wuille)
Pieter Wuille [Thu, 11 Dec 2014 00:23:31 +0000 (01:23 +0100)]
Merge pull request #151
a3e0611 Enable tests in x86 travis builds (Pieter Wuille)
45da235 x86 builder (Cory Fields)
Pieter Wuille [Wed, 10 Dec 2014 23:50:16 +0000 (00:50 +0100)]
Merge pull request #149
056ad31 Really compile with -O3 by default (Pieter Wuille)
Pieter Wuille [Wed, 10 Dec 2014 23:49:22 +0000 (00:49 +0100)]
Merge pull request #142
f22d73e Explicitly access %0..%2 as 64-bit so we use the right registers for x32 ABI (Luke Dashjr)
e66d4d6 Avoid the stack in assembly and use explicit registers (Pieter Wuille)
Pieter Wuille [Tue, 9 Dec 2014 15:58:52 +0000 (16:58 +0100)]
Enable tests in x86 travis builds
Cory Fields [Tue, 9 Dec 2014 01:10:50 +0000 (20:10 -0500)]
x86 builder
Pieter Wuille [Wed, 10 Dec 2014 23:39:20 +0000 (00:39 +0100)]
Merge pull request #155
971fe81 build: fix openssl detection for cross builds (Cory Fields)
Cory Fields [Wed, 10 Dec 2014 18:17:48 +0000 (13:17 -0500)]
build: fix openssl detection for cross builds
Make sure that the detected openssl successfully links before enabling support.
Luke Dashjr [Tue, 9 Dec 2014 17:27:33 +0000 (17:27 +0000)]
Explicitly access %0..%2 as 64-bit so we use the right registers for x32 ABI
Pieter Wuille [Mon, 8 Dec 2014 14:18:55 +0000 (15:18 +0100)]
Avoid the stack in assembly and use explicit registers
Pieter Wuille [Tue, 9 Dec 2014 11:50:47 +0000 (12:50 +0100)]
Fix ECDSA message hashes to 32 bytes
Pieter Wuille [Tue, 9 Dec 2014 10:48:34 +0000 (11:48 +0100)]
Really compile with -O3 by default
Pieter Wuille [Tue, 9 Dec 2014 10:19:49 +0000 (11:19 +0100)]
Merge pull request #146
c88e2b8 Compile with -O3 by default (Pieter Wuille)
Pieter Wuille [Tue, 9 Dec 2014 10:15:30 +0000 (11:15 +0100)]
Merge pull request #145
1f46b00 build: fix __builtin_expect detection for clang (Cory Fields)
Cory Fields [Tue, 9 Dec 2014 00:08:49 +0000 (19:08 -0500)]
build: fix __builtin_expect detection for clang
Using AC_CHECK_DECL, the generated test tries to cast the function to void.
Clang doesn't allow that for builtins.
Pieter Wuille [Tue, 9 Dec 2014 01:38:27 +0000 (02:38 +0100)]
Merge pull request #136
6558a26 Make the benchmarks print out stats (Pieter Wuille)
000bdf6 Rename bench_verify to bench_recovery (Pieter Wuille)
Pieter Wuille [Tue, 9 Dec 2014 00:44:50 +0000 (01:44 +0100)]
Merge pull request #144
992e03b travis: add clang to the test matrix (Cory Fields)
Pieter Wuille [Tue, 9 Dec 2014 00:36:11 +0000 (01:36 +0100)]
Merge pull request #141
7c6fed2 Add a few more additional tests. (Gregory Maxwell)
8d11164 Add some additional tests. (Gregory Maxwell)
Pieter Wuille [Tue, 9 Dec 2014 00:30:43 +0000 (01:30 +0100)]
Compile with -O3 by default
Pieter Wuille [Thu, 4 Dec 2014 19:26:54 +0000 (20:26 +0100)]
Make the benchmarks print out stats
Pieter Wuille [Thu, 4 Dec 2014 18:38:52 +0000 (19:38 +0100)]
Rename bench_verify to bench_recovery
Gregory Maxwell [Mon, 8 Dec 2014 20:38:16 +0000 (12:38 -0800)]
Add a few more additional tests.
Cory Fields [Thu, 13 Nov 2014 22:50:10 +0000 (17:50 -0500)]
travis: add clang to the test matrix
Pieter Wuille [Mon, 8 Dec 2014 22:02:20 +0000 (23:02 +0100)]
Merge pull request #143
e06a924 Include time.h header for time(). (Pavel Janík)
Pavel Janík [Mon, 8 Dec 2014 19:48:58 +0000 (20:48 +0100)]
Include time.h header for time().
Gregory Maxwell [Mon, 8 Dec 2014 08:48:53 +0000 (00:48 -0800)]
Add some additional tests.
Pieter Wuille [Sun, 7 Dec 2014 13:37:05 +0000 (14:37 +0100)]
Merge pull request #118
3ce74b1 Tweak precomputed table size for G (Pieter Wuille)
Pieter Wuille [Sun, 7 Dec 2014 13:34:48 +0000 (14:34 +0100)]
Merge pull request #137
39bd94d Variable time normalize (Pieter Wuille)
Pieter Wuille [Sun, 7 Dec 2014 13:33:54 +0000 (14:33 +0100)]
Merge pull request #128
b2c9681 Make {mul,sqr}_inner use the same argument order as {mul,sqr} (Pieter Wuille)
6793505 Convert YASM code into inline assembly (Pieter Wuille)
f048615 Rewrite field assembly to match the C version (Pieter Wuille)
Pieter Wuille [Sun, 7 Dec 2014 12:17:54 +0000 (13:17 +0100)]
Merge pull request #138
a5759c5 Check return value of malloc (Pieter Wuille)
2b9388b Remove unused secp256k1_fe_inv_all (Pieter Wuille)
f461b76 Allocate precomputation arrays on the heap (Pieter Wuille)
Pieter Wuille [Sun, 7 Dec 2014 01:58:24 +0000 (02:58 +0100)]
Check return value of malloc
Pieter Wuille [Fri, 5 Dec 2014 02:37:42 +0000 (03:37 +0100)]
Variable time normalize
Pieter Wuille [Sat, 6 Dec 2014 17:17:08 +0000 (18:17 +0100)]
Merge pull request #140
54b768c Another redundant secp256k1_fe_normalize (Pieter Wuille)
Pieter Wuille [Sat, 6 Dec 2014 16:30:08 +0000 (17:30 +0100)]
Another redundant secp256k1_fe_normalize
Pieter Wuille [Sat, 6 Dec 2014 16:26:26 +0000 (17:26 +0100)]
Merge pull request #139
1c29f2e Remove redundant secp256k1_fe_normalize from secp256k1_gej_add_ge_var. (Gregory Maxwell)
Gregory Maxwell [Sat, 6 Dec 2014 13:07:26 +0000 (05:07 -0800)]
Remove redundant secp256k1_fe_normalize from secp256k1_gej_add_ge_var.
This was a missed optimization in the extraction of gej+ge from gej+gej.
Pieter Wuille [Fri, 5 Dec 2014 17:13:51 +0000 (18:13 +0100)]
Remove unused secp256k1_fe_inv_all
Pieter Wuille [Fri, 5 Dec 2014 17:13:28 +0000 (18:13 +0100)]
Allocate precomputation arrays on the heap
Pieter Wuille [Thu, 4 Dec 2014 18:15:20 +0000 (19:15 +0100)]
Merge pull request #135
ee3eb4b Fix a memory leak and add a number of small tests. (Gregory Maxwell)
Gregory Maxwell [Thu, 4 Dec 2014 09:04:00 +0000 (01:04 -0800)]
Fix a memory leak and add a number of small tests.
This fixes a simple copy and paste induced memory leak for the ecdsa init.
The tests are mostly just improving coverage and aren't interesting.
Pieter Wuille [Tue, 2 Dec 2014 16:51:55 +0000 (17:51 +0100)]
Make {mul,sqr}_inner use the same argument order as {mul,sqr}
Pieter Wuille [Tue, 2 Dec 2014 16:47:32 +0000 (17:47 +0100)]
Convert YASM code into inline assembly
Pieter Wuille [Sun, 30 Nov 2014 17:09:02 +0000 (18:09 +0100)]
Rewrite field assembly to match the C version
Pieter Wuille [Thu, 4 Dec 2014 11:19:56 +0000 (12:19 +0100)]
Merge pull request #134
29ae131 Make scalar_add_bit test's overflow detection exact (Pieter Wuille)
Pieter Wuille [Wed, 3 Dec 2014 20:21:56 +0000 (21:21 +0100)]
Merge pull request #127
c35ff1e Convert lambda splitter to pure scalar code. (Pieter Wuille)
cc604e9 Avoid division when decomposing scalars (Peter Dettman)
ff8746d Add secp256k1_scalar_mul_shift_var (Pieter Wuille)
Pieter Wuille [Wed, 3 Dec 2014 20:20:54 +0000 (21:20 +0100)]
Merge pull request #132
efb7d4b Use constant-time conditional moves instead of byte slicing (Pieter Wuille)
Pieter Wuille [Wed, 3 Dec 2014 20:20:03 +0000 (21:20 +0100)]
Merge pull request #133
9048def Avoid undefined shift behaviour (Pieter Wuille)
Pieter Wuille [Wed, 3 Dec 2014 17:30:17 +0000 (18:30 +0100)]
Make scalar_add_bit test's overflow detection exact
Pieter Wuille [Wed, 3 Dec 2014 17:10:52 +0000 (18:10 +0100)]
Avoid undefined shift behaviour
Pieter Wuille [Tue, 2 Dec 2014 19:20:13 +0000 (20:20 +0100)]
Use constant-time conditional moves instead of byte slicing
Pieter Wuille [Tue, 2 Dec 2014 17:36:36 +0000 (18:36 +0100)]
Merge pull request #131
82f9254 Fix typo (Pieter Wuille)
Pieter Wuille [Tue, 2 Dec 2014 17:35:33 +0000 (18:35 +0100)]
Fix typo
Pieter Wuille [Tue, 2 Dec 2014 16:52:22 +0000 (17:52 +0100)]
Merge pull request #129
35399e0 Bugfix: b is restricted, not r (Pieter Wuille)
Pieter Wuille [Tue, 2 Dec 2014 16:43:42 +0000 (17:43 +0100)]
Bugfix: b is restricted, not r
Pieter Wuille [Mon, 1 Dec 2014 17:22:04 +0000 (18:22 +0100)]
Convert lambda splitter to pure scalar code.
This enables the use of the endomorphism optimization without bignum.
Peter Dettman [Sat, 15 Nov 2014 16:04:02 +0000 (23:04 +0700)]
Avoid division when decomposing scalars
- In secp256k1_gej_split_exp, there are two divisions used. Since the denominator is a constant known at compile-time, each can be replaced by a multiplication followed by a right-shift (and rounding).
- Add the constants g1, g2 for this purpose and rewrite secp256k1_scalar_split_lambda_var accordingly.
- Remove secp256k1_num_div since no longer used
Rebased-by: Pieter Wuille
Pieter Wuille [Mon, 1 Dec 2014 16:11:59 +0000 (17:11 +0100)]
Add secp256k1_scalar_mul_shift_var
Pieter Wuille [Tue, 2 Dec 2014 15:40:09 +0000 (16:40 +0100)]
Merge pull request #119
597128d Make num optional (Pieter Wuille)
659b554 Make constant initializers independent from num (Pieter Wuille)
Pieter Wuille [Tue, 2 Dec 2014 15:39:07 +0000 (16:39 +0100)]
Merge pull request #124
4d4eeea Make secp256k1_fe_mul_inner use the r != property (Pieter Wuille)
be82e92 Require that r and b are different for field multiplication. (Pieter Wuille)
Pieter Wuille [Mon, 1 Dec 2014 21:40:05 +0000 (22:40 +0100)]
Merge pull request #126
24b3c65 Add a test case for ECDSA recomputing infinity (Pieter Wuille)
32600e5 Add a test for r >= order signature handling (Pieter Wuille)
Pieter Wuille [Mon, 1 Dec 2014 13:45:05 +0000 (14:45 +0100)]
Add a test case for ECDSA recomputing infinity
Pieter Wuille [Mon, 1 Dec 2014 13:23:07 +0000 (14:23 +0100)]
Add a test for r >= order signature handling
Suggested by Greg Maxwell.
Pieter Wuille [Sun, 30 Nov 2014 18:38:07 +0000 (19:38 +0100)]
Make secp256k1_fe_mul_inner use the r != property
Suggested by Peter Dettman.
Pieter Wuille [Sun, 30 Nov 2014 18:27:24 +0000 (19:27 +0100)]
Require that r and b are different for field multiplication.
Suggested by Peter Dettman, this prepares for slightly faster muitiplication
which writes results immediately to r before finishing reading b.
Pieter Wuille [Fri, 28 Nov 2014 00:23:55 +0000 (01:23 +0100)]
Make num optional
Pieter Wuille [Thu, 27 Nov 2014 18:12:13 +0000 (19:12 +0100)]
Make constant initializers independent from num
Pieter Wuille [Mon, 1 Dec 2014 11:36:58 +0000 (12:36 +0100)]
Merge pull request #120
e3d692f Explain why no y=0 check is necessary for doubling (Pieter Wuille)
f7dc1c6 Optimize doubling: secp256k1 has no y=0 point (Pieter Wuille)
Pieter Wuille [Mon, 1 Dec 2014 11:29:58 +0000 (12:29 +0100)]
Merge pull request #117
c76be9e Remove unused num functions (Pieter Wuille)
4285a98 Move lambda-splitting code to scalar. (Pieter Wuille)
f24041d Switch all EC/ECDSA logic from num to scalar (Pieter Wuille)
6794be6 Add scalar splitting functions (Pieter Wuille)
d1502eb Add secp256k1_scalar_inverse_var which delegates to GMP (Pieter Wuille)
b5c9ee7 Make test_point_times_order test meaningful again (Pieter Wuille)
0b73059 Switch wnaf splitting from num-based to scalar-based (Pieter Wuille)
1e6c77c Generalize secp256k1_scalar_get_bits (Pieter Wuille)
5213207 Add secp256k1_scalar_add_bit (Pieter Wuille)
Pieter Wuille [Wed, 26 Nov 2014 23:27:08 +0000 (00:27 +0100)]
Remove unused num functions
Pieter Wuille [Wed, 26 Nov 2014 23:08:52 +0000 (00:08 +0100)]
Move lambda-splitting code to scalar.
It's not really an operation on group elements.
Pieter Wuille [Wed, 26 Nov 2014 16:26:39 +0000 (17:26 +0100)]
Switch all EC/ECDSA logic from num to scalar
Pieter Wuille [Wed, 26 Nov 2014 15:22:02 +0000 (16:22 +0100)]
Add scalar splitting functions
Which currently delegate to the lambda-splitter in group.
Pieter Wuille [Wed, 26 Nov 2014 15:04:24 +0000 (16:04 +0100)]
Add secp256k1_scalar_inverse_var which delegates to GMP
Pieter Wuille [Wed, 26 Nov 2014 14:35:06 +0000 (15:35 +0100)]
Make test_point_times_order test meaningful again
As wnaf splitting is scalar based, multiplying with the order directly
would be reduced to multiplication with zero before even converting to
wnaf.
Pieter Wuille [Wed, 26 Nov 2014 13:47:23 +0000 (14:47 +0100)]
Switch wnaf splitting from num-based to scalar-based
Pieter Wuille [Tue, 25 Nov 2014 14:55:21 +0000 (15:55 +0100)]
Generalize secp256k1_scalar_get_bits
Pieter Wuille [Tue, 25 Nov 2014 14:20:44 +0000 (15:20 +0100)]
Add secp256k1_scalar_add_bit
Pieter Wuille [Sun, 30 Nov 2014 18:50:31 +0000 (19:50 +0100)]
Merge pull request #122
6e05287 Do signature recovery/verification with 4 possible recid case (Pieter Wuille)
Pieter Wuille [Fri, 28 Nov 2014 22:43:00 +0000 (23:43 +0100)]
Do signature recovery/verification with 4 possible recid case
Pieter Wuille [Fri, 28 Nov 2014 21:07:32 +0000 (22:07 +0100)]
Explain why no y=0 check is necessary for doubling
Explanation suggested by Greg Maxwell.
Pieter Wuille [Fri, 28 Nov 2014 14:29:37 +0000 (15:29 +0100)]
Optimize doubling: secp256k1 has no y=0 point
Pieter Wuille [Fri, 28 Nov 2014 20:21:52 +0000 (21:21 +0100)]
Merge pull request #121
2a54f9b Correct typo in comment (Pieter Wuille)
Pieter Wuille [Fri, 28 Nov 2014 15:39:23 +0000 (16:39 +0100)]
Correct typo in comment
Pieter Wuille [Wed, 26 Nov 2014 22:45:34 +0000 (23:45 +0100)]
Tweak precomputed table size for G
Pieter Wuille [Wed, 26 Nov 2014 14:22:45 +0000 (15:22 +0100)]
Merge pull request #114
99f0728 Fix secp256k1_num_set_bin handling of 0 (Pieter Wuille)
d907ebc Add bounds checking to field element setters (Pieter Wuille)
Pieter Wuille [Mon, 24 Nov 2014 20:29:25 +0000 (21:29 +0100)]
Fix secp256k1_num_set_bin handling of 0
Pieter Wuille [Mon, 24 Nov 2014 11:38:05 +0000 (12:38 +0100)]
Add bounds checking to field element setters
Pieter Wuille [Wed, 26 Nov 2014 14:19:06 +0000 (15:19 +0100)]
Merge pull request #116
665775b Don't split the g factor when not using endomorphism (Pieter Wuille)
Pieter Wuille [Tue, 25 Nov 2014 13:29:02 +0000 (14:29 +0100)]
Don't split the g factor when not using endomorphism
Pieter Wuille [Tue, 25 Nov 2014 12:46:38 +0000 (13:46 +0100)]
Merge pull request #115
e2274c5 build: osx: attempt to work with homebrew keg-only packages (Cory Fields)
Cory Fields [Mon, 24 Nov 2014 16:13:16 +0000 (11:13 -0500)]
build: osx: attempt to work with homebrew keg-only packages
Pieter Wuille [Tue, 18 Nov 2014 16:54:44 +0000 (17:54 +0100)]
Merge pull request #110
3bf029d Add test that recovering infinity fails (Pieter Wuille)
4861f83 Test whether recovered public keys are not infinity (Pieter Wuille)
bbe67d8 Make secp256k1_eckey_pubkey_serialize fail for infinity (Pieter Wuille)
Pieter Wuille [Tue, 18 Nov 2014 12:13:17 +0000 (13:13 +0100)]
Add test that recovering infinity fails
Pieter Wuille [Tue, 18 Nov 2014 11:36:20 +0000 (12:36 +0100)]
Test whether recovered public keys are not infinity
Fixes a bug discovered by Sergio Demian Lerner.
Pieter Wuille [Tue, 18 Nov 2014 11:32:53 +0000 (12:32 +0100)]
Make secp256k1_eckey_pubkey_serialize fail for infinity
Pieter Wuille [Tue, 18 Nov 2014 10:38:17 +0000 (11:38 +0100)]
Merge pull request #107
f49b2ef Add DETERMINISTIC to avoid line number/source dependent binaries (Pieter Wuille)
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