diff options
author | Werner Koch <wk@gnupg.org> | 2007-04-16 15:09:30 +0000 |
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committer | Werner Koch <wk@gnupg.org> | 2007-04-16 15:09:30 +0000 |
commit | 591697fc7621e8aa16abb3f60dc297ea9af1048f (patch) | |
tree | 76fb0761768c69d50818ff9f88f6aeeb8fb83b33 /mpi/ec.c | |
parent | ef72b801762550f0ec1dd483e36ab95fe8f6629e (diff) | |
download | libgcrypt-591697fc7621e8aa16abb3f60dc297ea9af1048f.tar.gz |
./
* configure.ac: Check for sysconf.
* acinclude.m4 (GNUPG_CHECK_MLOCK): Try to use sysconf to get the
page size and use getpagesize only then if available.
cipher/
* ecc.c (_gcry_ecc_generate): Renamed DUMMY to CURVE and use it.
src/
* secmem.c (init_pool): Use sysconf() if available to determine
page size.
Diffstat (limited to 'mpi/ec.c')
-rw-r--r-- | mpi/ec.c | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -613,6 +613,24 @@ _gcry_mpi_ec_mul_point (mpi_point_t *result, gcry_mpi_t scalar, mpi_point_t *point, mpi_ec_t ctx) { +#if 0 + /* Simple left to right binary method. GECC Algorithm 3.27 */ + unsigned int nbits; + int i; + + nbits = mpi_get_nbits (scalar); + mpi_set_ui (result->x, 1); + mpi_set_ui (result->y, 1); + mpi_set_ui (result->z, 0); + + for (i=nbits-1; i >= 0; i--) + { + _gcry_mpi_ec_dup_point (result, result, ctx); + if (mpi_test_bit (scalar, i) == 1) + _gcry_mpi_ec_add_points (result, result, point, ctx); + } + +#else gcry_mpi_t x1, y1, z1, k, h, yy; unsigned int i, loops; mpi_point_t p1, p2, p1inv; @@ -687,4 +705,6 @@ _gcry_mpi_ec_mul_point (mpi_point_t *result, point_free (&p1inv); mpi_free (h); mpi_free (k); +#endif } + |