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347 Commits

Author SHA1 Message Date
Andrew Poelstra
47045270fa ecmult_impl: eliminate scratch memory used when generating context 2018-11-09 00:20:51 +00:00
Andrew Poelstra
7f7a2ed3a8 ecmult_gen_impl: eliminate scratch memory used when generating context 2018-11-09 00:16:06 +00:00
Andrew Poelstra
ed7c08417a add static context object which has no capabilities 2018-10-04 15:16:34 +00:00
Andrew Poelstra
95e99f196f fix tests.c in the count == 0 case 2018-04-10 19:32:04 +00:00
Andrew Poelstra
6fe50439ae scratch: add stack frame support 2018-04-05 22:49:29 +00:00
Andrew Poelstra
7c1b91ba4b parameterize ecmult_const over input size 2018-04-05 21:05:13 +00:00
Jonas Nick
ec0a7b3ae3 Don't touch leading zeros in wnaf_fixed. 2018-03-23 14:52:13 +00:00
Don Viszneki
8b3841c91d fix bug in fread() failure check 
the two middle arguments to fread() are easily confused, and cause the
checking of return value to fail incorrectly (and possibly succeed
incorrectly.)
 2018-03-05 18:45:00 -08:00
Don Viszneki
cddef0c0be tests: add warning message when /dev/urandom fails 
in case this code should ever be used as an example, a warning is a nice
way of helping ensure insecure keys are not generated
 2018-03-05 18:43:31 -08:00
Jonas Nick
6dbb007869 Increase sparsity of pippenger fixed window naf representation 2018-03-01 18:20:36 +00:00
Gregory Maxwell
7f9c1a1565
Merge #498: tests: Avoid calling fclose(...) with an invalid argument 
5aae5b5 Avoid calling fclose(...) with an invalid argument (practicalswift)

Pull request description:

  Avoid calling `fclose(...)` with an invalid argument.

Tree-SHA512: f1a057b8c52089a3af1d9bfe97b751a4003b944d293147855eca452d1766c4ead5701d06f546153e654c9cb07b3fe2bcc4e28c8a54a27263d1e2434be123ca3b
 2018-02-06 23:04:51 +00:00
Gregory Maxwell
f99aa8d4d3
Merge #499: tests: Make sure we get the requested number of bytes from /dev/urandom 
82a96e4 tests: Make sure we get the requested number of bytes from /dev/urandom (practicalswift)

Pull request description:

  Make sure we get the requested number of bytes from `/dev/urandom`.

Tree-SHA512: 1b035942fd2a6ee2423fb2a2a0a0f294682c51434f86e5c106fb493d77f45aa8070662190aca6441fe389b8cdcc132d432517b8e826be2ac530a1511cd0c8919
 2018-02-06 23:00:25 +00:00
practicalswift
82a96e4587 tests: Make sure we get the requested number of bytes from /dev/urandom 2018-01-12 11:24:43 +01:00
practicalswift
5aae5b5bb2 Avoid calling fclose(...) with an invalid argument 2018-01-12 11:18:25 +01:00
Alexander Block
31abd3ab8d Support OpenSSL versions >= 1.1 for ENABLE_OPENSSL_TESTS 
The only reason OpenSSL 1.1 was not supported was the removal of direct
access to r and s in ECDSA_SIG. This commit adds a simplified version of
ECDSA_SIG_get0 for < 1.1 that can be used like ECDSA_SIG_get0 in >= 1.1
 2017-12-28 11:36:24 +01:00
Pieter Wuille
c95f6f1360
Merge #487: fix tests typo, s/changed/unchanged 
0e96cdc fix typo, s/changed/unchanged (Daniel Cousens)

Pull request description:

Tree-SHA512: 023f04d3743318123977d1c4600d664e2b7578ad973db54b9e65629344be087949540b3450ba467de33d319738304a46aa4caae084cfe387fdf87ed8242ac9ce
 2017-12-21 14:29:57 -08:00
Jonas Nick
36b22c9337 Use scratch space dependent batching in ecmult_multi 2017-12-07 20:13:04 +00:00
Jonas Nick
355a38f113 Add pippenger_wnaf ecmult_multi 2017-12-07 20:13:04 +00:00
Andrew Poelstra
dba5471b69 Add ecmult_multi tests 2017-12-07 20:13:04 +00:00
Andrew Poelstra
548de42ecf add resizeable scratch space API 
Alignment support by Pieter Wuille.
 2017-12-07 20:13:04 +00:00
Daniel Cousens
0e96cdc6b6
fix typo, s/changed/unchanged 2017-11-29 12:32:01 +11:00
Pieter Wuille
d1dc9dfc0a Get rid of reserved _t in type names 2017-09-27 15:03:20 -07:00
Gregory Maxwell
5e95bf2285 Remove residual parts from the schnorr expirement. 2017-05-03 11:13:28 +00:00
Pieter Wuille
119949232a
Merge #408: Add secp256k1_ec_pubkey_negate and secp256k1_ec_privkey_negate 
8e48aa6 Add `secp256k1_ec_pubkey_negate` and `secp256k1_ec_privkey_negate` (Andrew Poelstra)

Tree-SHA512: 28eeca0b04001958ad86b3c802e33a13273514e9e9802d5b358fd577dc95421a2cffb5591716bea10300717f742f0941c465b9df71dbb4c66d174c643887e06f
 2017-03-21 17:54:06 -07:00
Wladimir J. van der Laan
5eb030ca41 test: Use checked_alloc 2017-02-26 15:05:42 +01:00
Andrew Poelstra
8e48aa60dc Add secp256k1_ec_pubkey_negate and secp256k1_ec_privkey_negate 2016-12-20 00:37:37 +00:00
llamasoft
353c1bf0d7 Fix secp256k1_ge_set_table_gej_var parameter order 
Rearranged secp256k1_ge_set_table_gej_var parameters so length comes last (it modifies both *a and *zr).
 2016-07-26 14:24:45 -05:00
llamasoft
541b783920 Fix secp256k1_ge_set_all_gej_var parameter order 
Rearranged secp256k1_ge_set_all_gej_var parameters so length comes after *a.
 2016-07-26 14:24:42 -05:00
llamasoft
7d893f4980 Fix secp256k1_fe_inv_all_var parameter order 
Rearranged secp256k1_fe_inv_all_var parameters so length is after array.
Text editor removed some trailing whitespaces.
 2016-07-26 12:15:19 -05:00
Pieter Wuille
926836ad36 Make secp256k1_fe_sqrt constant time 2016-07-09 14:23:44 +02:00
Pieter Wuille
65285a63ee
Merge #403: configure: add flag to disable OpenSSL tests 
a9b2a5d configure: add flag to disable OpenSSL tests (Andrew Poelstra)
 2016-07-06 12:08:16 +02:00
Andrew Poelstra
a9b2a5d850 configure: add flag to disable OpenSSL tests 
OpenSSL messes up valgrind.
 2016-07-06 08:25:33 +00:00
Pieter Wuille
e6e9805fc4 Add function for testing quadratic residue field/group elements. 2016-07-04 13:55:04 +02:00
Peter Dettman
efd953a7a7 Add Jacobi symbol test via GMP 
Also add native Jacobi symbol test (Andrew)

Rebased-by: Andrew Poelstra
Rebased-by: Pieter Wuille
 2016-07-04 13:16:35 +02:00
Andrew Poelstra
c6191fded8 ecmult_const: unify endomorphism and non-endomorphism skew cases 
We now do a skew correction even without the endomorphism optimization,
which costs one additional group addition but unifies a lot of code.
 2016-06-30 13:28:47 +00:00
Pieter Wuille
43097a44ef
Merge #390: Update bitcoin-core GitHub links 
faa2a11 Update bitcoin-core GitHub links (MarcoFalke)
 2016-05-08 19:56:34 +02:00
Jonas Nick
093a497ac9 Add testcase which hits additional branch in secp256k1_scalar_sqr 2016-05-02 20:19:00 -07:00
MarcoFalke
faa2a11ce5 Update bitcoin-core GitHub links 2016-04-29 23:14:45 +02:00
Gregory Maxwell
5d4c5a31b9 Prevent damage_array in the signature test from going out of bounds. 2015-11-26 21:02:27 +00:00
Pieter Wuille
646662517f Improvements for coordinate decompression 2015-11-05 00:04:39 +01:00
Gregory Maxwell
8e48787d97 Change secp256k1_ec_pubkey_combine's count argument to size_t. 2015-10-31 19:04:34 +00:00
Gregory Maxwell
c69dea025a Clear output in more cases for pubkey_combine, adds tests. 
Also corrects an outdated comment and adds an additional
 secp256k1_ecdsa_signature_parse_compact test.
 2015-10-31 09:52:30 +00:00
Gregory Maxwell
269d422703 Comment copyediting. 2015-10-31 08:31:15 +00:00
Pieter Wuille
b4d17da903
Merge pull request #344 
26abce7 Adds 32 static test vectors for scalar mul, sqr, inv. (Gregory Maxwell)
 2015-10-31 02:21:35 +01:00
Gregory Maxwell
26abce75ea Adds 32 static test vectors for scalar mul, sqr, inv. 
These were generated by testing more than 10^12 random test vectors
 for coverage on instrumented (comparison operator outcomes) 32-bit
 and 64-bit code, plus additional edge condition requirements (e.g.
 inputs of 0, 1, -1) and then solving a minimum set cover problem.

The required responses were generated with Sage.

This significantly improves the lcov branch coverage report and
 makes the tests much more sensitive to mutation testing of the
 scalar code.

The challenges and responses are in the form of pairs of scalars:
  C1 * C2 == R1
  (C1 * C2) * (1 / C2) == C1
  C2 * (1 / C2) == 1
  C1 * C1 == R2
  C1^2    == R2
 2015-10-30 21:17:19 +00:00
Gregory Maxwell
5b71a3f460 Better error case handling for pubkey_create & pubkey_serialize, more tests. 
Makes secp256k1_ec_pubkey_serialize set the length to zero on failure,
 also makes secp256k1_ec_pubkey_create set the pubkey to zeros when
 the key argument is NULL.

Also adds many additional ARGCHECK tests.
 2015-10-30 09:16:40 +00:00
Andrew Poelstra
eed87af10a Change contrib/laxder from headers-only to files compilable as standalone C 
Verified that both programs compile with

    gcc -I. -I../include -lsecp256k1 -c -W -Wextra -Wall -Werror -ansi -pedantic lax_der_privatekey_parsing.c
    gcc -I. -I../include -lsecp256k1 -c -W -Wextra -Wall -Werror -ansi -pedantic lax_der_parsing.c
 2015-10-29 18:55:49 -05:00
Pieter Wuille
7914a6ebae Make lax_der_privatekey_parsing.h not depend on internal code 2015-10-26 02:53:06 +01:00
Pieter Wuille
9234391ed4 Overhaul flags handling 2015-10-24 19:47:13 +02:00
Rusty Russell
1a368980c8 Make flags more explicit, add runtime checks. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2015-10-24 19:39:44 +02:00