diff options
Diffstat (limited to 'gost_ec_keyx.c')
| -rw-r--r-- | gost_ec_keyx.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gost_ec_keyx.c b/gost_ec_keyx.c index 40cad2b..06835d3 100644 --- a/gost_ec_keyx.c +++ b/gost_ec_keyx.c @@ -62,7 +62,12 @@ int VKO_compute_key(unsigned char *shared_key, EC_GROUP_get0_order(grp), ctx)) goto err; - /* these two curves have cofactor 4; the rest have cofactor 1 */ +#if 0 + /*- + * These two curves have cofactor 4; the rest have cofactor 1. + * But currently gost_ec_point_mul takes care of the cofactor clearing, + * hence this code is not needed. + */ switch (EC_GROUP_get_curve_name(grp)) { case NID_id_tc26_gost_3410_2012_256_paramSetA: case NID_id_tc26_gost_3410_2012_512_paramSetC: @@ -70,6 +75,7 @@ int VKO_compute_key(unsigned char *shared_key, goto err; break; } +#endif if (!gost_ec_point_mul(grp, pnt, NULL, pub_key, scalar, ctx)) { GOSTerr(GOST_F_VKO_COMPUTE_KEY, GOST_R_ERROR_POINT_MUL); |