Manuel Pégourié-Gonnard
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36daa13d76
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Misc details
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2013-11-21 21:56:38 +01:00 |
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Manuel Pégourié-Gonnard
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469a209334
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Rm subtraction from ecp_add_mixed()
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2013-11-21 21:56:38 +01:00 |
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Manuel Pégourié-Gonnard
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01fca5e882
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Do point inversion without leaking information
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2013-11-21 21:56:38 +01:00 |
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Manuel Pégourié-Gonnard
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44aab79022
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Update bibliographic references
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2013-11-21 21:56:38 +01:00 |
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Manuel Pégourié-Gonnard
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7f762319ad
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Use mpi_shrink() in ecp_precompute()
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2013-11-21 21:56:38 +01:00 |
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Manuel Pégourié-Gonnard
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e282012219
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Spare some memory
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2013-11-21 21:56:38 +01:00 |
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Manuel Pégourié-Gonnard
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edc1a1f482
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Small code cleanups
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2013-11-21 21:56:38 +01:00 |
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Manuel Pégourié-Gonnard
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ff27b7c968
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Tighten ecp_mul() validity checks
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2013-11-21 21:56:38 +01:00 |
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Manuel Pégourié-Gonnard
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09ceaf49d0
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Rm multiplication using NAF
Comb method is at most 1% slower for random points,
and is way faster for fixed point (repeated).
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2013-11-21 21:56:38 +01:00 |
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Manuel Pégourié-Gonnard
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04a0225388
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Optimize w in the comb method
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2013-11-21 21:56:37 +01:00 |
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Manuel Pégourié-Gonnard
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70c14372c6
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Add coordinate randomization back
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2013-11-21 21:56:37 +01:00 |
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Manuel Pégourié-Gonnard
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c30200e4ce
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Fix bound issues
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2013-11-21 21:56:37 +01:00 |
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Manuel Pégourié-Gonnard
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101a39f55f
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Improve comb method (less precomputed points)
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2013-11-21 21:56:37 +01:00 |
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Manuel Pégourié-Gonnard
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d1c1ba90ca
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First version of ecp_mul_comb()
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2013-11-21 21:56:20 +01:00 |
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Paul Bakker
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6a6087e71d
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Added missing inline definition for MSCV and ARM environments
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2013-10-28 18:53:08 +01:00 |
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Manuel Pégourié-Gonnard
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9fcceac943
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Add a comment about modules coupling
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2013-10-23 20:56:12 +02:00 |
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Manuel Pégourié-Gonnard
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b21c81fb41
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Use less memory in fix_negative()
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2013-10-23 20:45:04 +02:00 |
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Manuel Pégourié-Gonnard
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cae6f3ed45
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Reorganize code in ecp.c
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2013-10-23 20:19:57 +02:00 |
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Manuel Pégourié-Gonnard
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5779cbe582
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Make mod_p{224,256,384] a bit faster
Speedup is roughly 25%, giving a 6% speedup on ecp_mul() for these curves.
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2013-10-23 20:17:00 +02:00 |
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Manuel Pégourié-Gonnard
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c04c530a98
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Make NIST curves optimisation an option
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2013-10-23 16:11:52 +02:00 |
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Manuel Pégourié-Gonnard
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0f9149cb0a
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Add mod_p384
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2013-10-23 15:06:37 +02:00 |
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Manuel Pégourié-Gonnard
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ec655c908c
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Add mod_p256
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2013-10-23 14:50:39 +02:00 |
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Manuel Pégourié-Gonnard
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210b458ddc
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Document and slightly reorganize mod_pXXX
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2013-10-23 14:27:58 +02:00 |
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Manuel Pégourié-Gonnard
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2a08c0debc
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mod_p224 now working with 8-bit and 16-bit ints
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2013-10-23 13:24:55 +02:00 |
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Manuel Pégourié-Gonnard
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a47e7058ea
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mod_p224 now endian-neutral
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2013-10-23 13:24:55 +02:00 |
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Manuel Pégourié-Gonnard
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e783f06f73
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Start working on mod_p224
(Prototype, works only on 32-bit and little-endian 64-bit.)
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2013-10-23 13:24:55 +02:00 |
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Manuel Pégourié-Gonnard
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cc67aee9c8
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Make ecp_mod_p521 a bit faster
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2013-10-23 13:24:55 +02:00 |
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Manuel Pégourié-Gonnard
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c9e387ca9e
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Optimize ecp_modp()
Makes it 22% faster, for a 5% gain on ecp_mul()
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2013-10-23 13:24:55 +02:00 |
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Manuel Pégourié-Gonnard
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d1e7a45fdd
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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.
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2013-10-23 13:24:55 +02:00 |
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Paul Bakker
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b9cfaa0c7f
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Explicit conversions and minor changes to prevent MSVC compiler warnings
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2013-10-14 15:50:40 +02:00 |
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Manuel Pégourié-Gonnard
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0cd6f98c0f
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Don't special-case a = -3, not worth it
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2013-10-10 15:55:39 +02:00 |
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Manuel Pégourié-Gonnard
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b8012fca5f
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Adjust dependencies
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2013-10-10 15:40:49 +02:00 |
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Manuel Pégourié-Gonnard
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0ace4b3154
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Use much less variables in ecp_double_jac_gen()
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2013-10-10 13:21:48 +02:00 |
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Manuel Pégourié-Gonnard
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1c4aa24df1
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Add brainpool support for ecp_mul()
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2013-10-10 12:56:00 +02:00 |
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Manuel Pégourié-Gonnard
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cd7458aafd
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Support brainpool curves in ecp_check_pubkey()
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2013-10-10 12:56:00 +02:00 |
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Manuel Pégourié-Gonnard
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a070ada6d4
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Add brainpool curves to ecp_use_kown_dp()
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2013-10-10 12:56:00 +02:00 |
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Manuel Pégourié-Gonnard
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cec4a53c98
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Add domain parameters for Brainpool curves
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2013-10-10 12:56:00 +02:00 |
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Manuel Pégourié-Gonnard
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8195c1a567
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Add identifiers for Brainpool curves
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2013-10-10 12:56:00 +02:00 |
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Manuel Pégourié-Gonnard
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f24b4a7316
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Interface change in ECP info functions
ecp_named_curve_from_grp_id() -> ecp_curve_info_from_grp_id()
ecp_grp_id_from_named_curve() -> ecp_curve_info_from_tls_id()
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2013-09-24 21:25:53 +02:00 |
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Manuel Pégourié-Gonnard
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da179e4870
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Add ecp_curve_list(), hide ecp_supported_curves
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2013-09-18 15:37:44 +02:00 |
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Manuel Pégourié-Gonnard
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161ef968db
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Cache pre-computed points for ecp_mul()
Up to 1.25 speedup on ECDSA sign for small curves, but mainly useful as a
preparation for fixed-point mult (a few prototypes changed in constness).
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2013-09-18 15:37:44 +02:00 |
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Manuel Pégourié-Gonnard
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56cd319f0e
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Add human-friendly name in ecp_curve_info
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2013-09-18 15:37:44 +02:00 |
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Manuel Pégourié-Gonnard
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a79d123a55
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Make ecp_supported_curves constant
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2013-09-18 14:35:57 +02:00 |
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Manuel Pégourié-Gonnard
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c972770f78
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Prepare ecp_group for future extensions
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2013-09-18 14:35:53 +02:00 |
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Manuel Pégourié-Gonnard
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456d3b9b0b
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Make ECP error codes more specific
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2013-09-18 14:35:53 +02:00 |
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Manuel Pégourié-Gonnard
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568c9cf878
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Add ecp_supported_curves and simplify some code
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2013-09-18 14:34:34 +02:00 |
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Manuel Pégourié-Gonnard
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7038039f2e
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Dissociate TLS and internal EC curve identifiers
Allows to add new curves before they get a TLS number
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2013-09-18 14:34:34 +02:00 |
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Manuel Pégourié-Gonnard
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07de4b1d08
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Implement randomized coordinates in ecp_mul()
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2013-09-02 16:26:04 +02:00 |
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Manuel Pégourié-Gonnard
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e09d2f8261
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Change ecp_mul() prototype to allow randomization
(Also improve an error code while at it.)
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2013-09-02 14:29:09 +02:00 |
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Manuel Pégourié-Gonnard
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e09631b7c4
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Create ecp_group_copy() and use it
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2013-08-20 20:08:29 +02:00 |
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