Commit Graph

224 Commits

Author SHA1 Message Date
Peter Dettman
ce661b2cb8 Perf: rewrite of ecp_double_jac
- Improve optimization for special case A == -3.
- Add optimization for special case A == 0.
- Use alternative base formula, saving several additions.
- Reduce temp variables to 4 (from 6).
2015-02-07 14:43:51 +07:00
Manuel Pégourié-Gonnard
860b51642d Fix url again 2015-01-28 17:12:07 +00:00
Manuel Pégourié-Gonnard
085ab040aa Fix website url to use https. 2015-01-23 11:06:27 +00:00
Manuel Pégourié-Gonnard
9698f5852c Remove maintainer line. 2015-01-23 10:59:00 +00:00
Manuel Pégourié-Gonnard
19f6b5dfaa Remove redundant "all rights reserved" 2015-01-23 10:54:00 +00:00
Manuel Pégourié-Gonnard
a658a4051b Update copyright 2015-01-23 09:55:24 +00:00
Manuel Pégourié-Gonnard
967a2a5f8c Change name to mbed TLS in the copyright notice 2015-01-22 14:28:16 +00:00
Manuel Pégourié-Gonnard
30668d688d Add ecp_check_pub_priv() 2014-11-06 18:25:51 +01:00
Paul Bakker
82788fb63b Fix minor style issues 2014-10-20 13:59:19 +02:00
Peter Vaskovic
a676acf66b Fix missing curly braces. 2014-08-21 17:56:25 +02:00
Manuel Pégourié-Gonnard
ba782bbc4b Save some space in ECP curve tables 2014-07-08 14:20:26 +02:00
Manuel Pégourié-Gonnard
67dbe1ef44 Better length checking in ecp_point_read_binary() 2014-07-08 14:20:26 +02:00
Paul Bakker
66d5d076f7 Fix formatting in various code to match spacing from coding style 2014-06-17 17:06:47 +02:00
Paul Bakker
d8bb82665e Fix code styling for return statements 2014-06-17 14:06:49 +02:00
Paul Bakker
3461772559 Introduce polarssl_zeroize() instead of memset() for zeroization 2014-06-14 16:46:03 +02:00
Paul Bakker
9af723cee7 Fix formatting: remove trailing spaces, #endif with comments (> 10 lines) 2014-05-01 13:03:14 +02:00
Manuel Pégourié-Gonnard
cef4ad2509 Adapt sources to configurable config.h name 2014-04-30 16:40:20 +02:00
Paul Bakker
3d8fb63e11 Added missing MPI_CHK around mpi functions 2014-04-17 12:42:41 +02:00
Manuel Pégourié-Gonnard
c042cf0013 Fix broken tests due to changed error code
Introduced in 5246ee5c59
2014-03-26 14:12:20 +01:00
Manuel Pégourié-Gonnard
5246ee5c59 Work around compressed EC public key in some cases 2014-03-19 16:50:59 +01:00
Manuel Pégourié-Gonnard
2a2ae642d8 Fix forgotten curves in #ifdef 2014-02-24 10:29:21 +01:00
Paul Bakker
7dc4c44267 Library files moved to use platform layer 2014-02-06 13:20:16 +01:00
Manuel Pégourié-Gonnard
ac7194133e Renamings and other fixes 2014-02-06 10:28:38 +01:00
Gergely Budai
e40c469ad3 The default ECDH curve list will be dynamically built in the ecp module based on ecp_supported_curves[]. 2014-02-06 10:28:38 +01:00
Manuel Pégourié-Gonnard
6e8e34d61e Fix ecp_gen_keypair()
Too few tries caused failures for some curves (esp. secp224k1)
2014-02-05 15:53:45 +01:00
Paul Bakker
bf98c3dd11 Merged deterministic ECDSA
Conflicts:
	library/ecdsa.c
2014-01-23 15:48:01 +01:00
Manuel Pégourié-Gonnard
9bcff3905b Add OIDs and TLS IDs for prime Koblitz curves 2014-01-10 18:32:31 +01:00
Manuel Pégourié-Gonnard
c9573998ca Fix unchecked error codes in ecp_gen_keypair() 2014-01-06 11:01:38 +01:00
Manuel Pégourié-Gonnard
79f73b96d9 Remove bias in EC private key generation 2014-01-06 10:19:35 +01:00
Paul Bakker
c73879139e Merged ECP memory usage optimizations 2013-12-31 10:33:47 +01:00
Manuel Pégourié-Gonnard
26bc1c0f5d Fix a few unchecked return codes in EC 2013-12-30 19:33:33 +01:00
Manuel Pégourié-Gonnard
9e4191c3e7 Add another option to reduce EC memory usage
Also document speed/memory trade-offs better.
2013-12-30 19:16:05 +01:00
Paul Bakker
ec4bea7eee Forced cast to unsigned int for %u format in ecp_selftest() 2013-12-30 19:04:47 +01:00
Manuel Pégourié-Gonnard
1f789b8348 Lessen peak memory usage in EC by freeing earlier
Cuts peak usage by 25% :)
2013-12-30 17:36:54 +01:00
Manuel Pégourié-Gonnard
72c172a13d Save some small memory allocations inside ecp_mul() 2013-12-30 16:04:55 +01:00
Paul Bakker
92bcadb110 Removed 'z' length modifier from low-value size_t in ecp_selftest() 2013-12-30 15:37:17 +01:00
Manuel Pégourié-Gonnard
1f82b041e7 Adapt ecp_group_free() to static constants 2013-12-17 11:27:20 +01:00
Manuel Pégourié-Gonnard
73cc01d7fa Remove last non-static parts of known EC groups 2013-12-17 11:27:20 +01:00
Manuel Pégourié-Gonnard
731d08b406 Start using constants from ROM for EC groups 2013-12-17 11:27:20 +01:00
Manuel Pégourié-Gonnard
93f41dbdfd Fix possible issue in corner-case for ecp_mul_mx() 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
7a949d3f5b Update comments 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
d962273594 Add #ifdef's for curve types 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
7c94d8bcab WIP #ifdef's 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
b6f45a616c Avoid potential leak in ecp_mul_mxz() 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
97871ef236 Some operations are not supported with Curve25519 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
357ff65a51 Details in ecp_mul_mxz() 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
fe0af405f9 Adapt ecp_gen_keypair() to Curve25519 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
a0179b8c4a Change ecp_mul to handle Curve25519 too 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
312d2e8ea2 Adapt key checking functions for Curve25519 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
3afa07f05b Add coordinate randomization for Curve25519 2013-12-05 15:58:37 +01:00
Manuel Pégourié-Gonnard
d9ea82e7d9 Add basic arithmetic for Curve25519 2013-12-05 15:58:37 +01:00
Manuel Pégourié-Gonnard
3c0b4ea97e Rename a few functions 2013-12-05 15:58:37 +01:00
Manuel Pégourié-Gonnard
d5e0fbe1a3 Remove now useless function 2013-12-02 17:20:39 +01:00
Manuel Pégourié-Gonnard
32b04c1237 Split ecp.c 2013-12-02 16:36:11 +01:00
Manuel Pégourié-Gonnard
43863eeffc Declare internal variables static in ecp.c 2013-12-02 16:34:24 +01:00
Manuel Pégourié-Gonnard
d35e191434 Drop useless include in ecp.c 2013-12-02 16:34:24 +01:00
Manuel Pégourié-Gonnard
0267e3dc9b Add ecp_curve_info_from_name() 2013-11-30 15:10:14 +01:00
Manuel Pégourié-Gonnard
104ee1d1f6 Add ecp_genkey(), prettier wrapper 2013-11-30 14:35:07 +01:00
Manuel Pégourié-Gonnard
c57b654a3e Use t_uint rather than uintXX_t when appropriate 2013-11-26 15:19:56 +01:00
Manuel Pégourié-Gonnard
96c7a92b08 Change mpi_safe_cond_assign() for more const-ness 2013-11-25 18:28:53 +01:00
Manuel Pégourié-Gonnard
918148193d Enhance ecp_selftest 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
d728350cee Make memory access pattern constant 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
aade42fd88 Change method for making M odd in ecp_mul()
- faster
- avoids M >= N (if m = N-1 or N-2)
2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
36daa13d76 Misc details 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
469a209334 Rm subtraction from ecp_add_mixed() 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
01fca5e882 Do point inversion without leaking information 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
44aab79022 Update bibliographic references 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
7f762319ad Use mpi_shrink() in ecp_precompute() 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
e282012219 Spare some memory 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
edc1a1f482 Small code cleanups 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
ff27b7c968 Tighten ecp_mul() validity checks 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
09ceaf49d0 Rm multiplication using NAF
Comb method is at most 1% slower for random points,
and is way faster for fixed point (repeated).
2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
04a0225388 Optimize w in the comb method 2013-11-21 21:56:37 +01:00
Manuel Pégourié-Gonnard
70c14372c6 Add coordinate randomization back 2013-11-21 21:56:37 +01:00
Manuel Pégourié-Gonnard
c30200e4ce Fix bound issues 2013-11-21 21:56:37 +01:00
Manuel Pégourié-Gonnard
101a39f55f Improve comb method (less precomputed points) 2013-11-21 21:56:37 +01:00
Manuel Pégourié-Gonnard
d1c1ba90ca First version of ecp_mul_comb() 2013-11-21 21:56:20 +01:00
Paul Bakker
6a6087e71d Added missing inline definition for MSCV and ARM environments 2013-10-28 18:53:08 +01:00
Manuel Pégourié-Gonnard
9fcceac943 Add a comment about modules coupling 2013-10-23 20:56:12 +02:00
Manuel Pégourié-Gonnard
b21c81fb41 Use less memory in fix_negative() 2013-10-23 20:45:04 +02:00
Manuel Pégourié-Gonnard
cae6f3ed45 Reorganize code in ecp.c 2013-10-23 20:19:57 +02:00
Manuel Pégourié-Gonnard
5779cbe582 Make mod_p{224,256,384] a bit faster
Speedup is roughly 25%, giving a 6% speedup on ecp_mul() for these curves.
2013-10-23 20:17:00 +02:00
Manuel Pégourié-Gonnard
c04c530a98 Make NIST curves optimisation an option 2013-10-23 16:11:52 +02:00
Manuel Pégourié-Gonnard
0f9149cb0a Add mod_p384 2013-10-23 15:06:37 +02:00
Manuel Pégourié-Gonnard
ec655c908c Add mod_p256 2013-10-23 14:50:39 +02:00
Manuel Pégourié-Gonnard
210b458ddc Document and slightly reorganize mod_pXXX 2013-10-23 14:27:58 +02:00
Manuel Pégourié-Gonnard
2a08c0debc mod_p224 now working with 8-bit and 16-bit ints 2013-10-23 13:24:55 +02:00
Manuel Pégourié-Gonnard
a47e7058ea mod_p224 now endian-neutral 2013-10-23 13:24:55 +02:00
Manuel Pégourié-Gonnard
e783f06f73 Start working on mod_p224
(Prototype, works only on 32-bit and little-endian 64-bit.)
2013-10-23 13:24:55 +02:00
Manuel Pégourié-Gonnard
cc67aee9c8 Make ecp_mod_p521 a bit faster 2013-10-23 13:24:55 +02:00
Manuel Pégourié-Gonnard
c9e387ca9e Optimize ecp_modp()
Makes it 22% faster, for a 5% gain on ecp_mul()
2013-10-23 13:24:55 +02:00
Manuel Pégourié-Gonnard
d1e7a45fdd Rework ecp_mod_p192()
On x86_64, this makes it 5x faster, and ecp_mul() 17% faster for this curve.
The code is shorter too.
2013-10-23 13:24:55 +02:00
Paul Bakker
b9cfaa0c7f Explicit conversions and minor changes to prevent MSVC compiler warnings 2013-10-14 15:50:40 +02:00
Manuel Pégourié-Gonnard
0cd6f98c0f Don't special-case a = -3, not worth it 2013-10-10 15:55:39 +02:00
Manuel Pégourié-Gonnard
b8012fca5f Adjust dependencies 2013-10-10 15:40:49 +02:00
Manuel Pégourié-Gonnard
0ace4b3154 Use much less variables in ecp_double_jac_gen() 2013-10-10 13:21:48 +02:00
Manuel Pégourié-Gonnard
1c4aa24df1 Add brainpool support for ecp_mul() 2013-10-10 12:56:00 +02:00
Manuel Pégourié-Gonnard
cd7458aafd Support brainpool curves in ecp_check_pubkey() 2013-10-10 12:56:00 +02:00
Manuel Pégourié-Gonnard
a070ada6d4 Add brainpool curves to ecp_use_kown_dp() 2013-10-10 12:56:00 +02:00
Manuel Pégourié-Gonnard
cec4a53c98 Add domain parameters for Brainpool curves 2013-10-10 12:56:00 +02:00