crypto/ec/ecp_nistz256.c

72     const EC_GROUP *group;      /* Parent EC_GROUP object */
149 static EC_PRE_COMP *ecp_nistz256_pre_comp_new(const EC_GROUP *group);
595 static int ecp_nistz256_windowed_mul(const EC_GROUP *group,
634             if (!BN_nnmod(mod, scalar[i], &group->order, ctx)) {
771 static int ecp_nistz256_mult_precompute(EC_GROUP *group, BN_CTX *ctx)
791     EC_EX_DATA_free_data(&group->extra_data, ecp_nistz256_pre_comp_dup,
795     generator = EC_GROUP_get0_generator(group);
809     if ((pre_comp = ecp_nistz256_pre_comp_new(group)) == NULL)
824     if (!EC_GROUP_get_order(group, order, ctx))
842     P = EC_POINT_new(group);
843     T = EC_POINT_new(group);
862             if (!EC_POINT_make_affine(group, P, ctx))
873                 if (!EC_POINT_dbl(group, P, P, ctx))
877         if (!EC_POINT_add(group, T, T, generator, ctx))
881     pre_comp->group = group;
888     if (!EC_EX_DATA_set_data(&group->extra_data, pre_comp,
1117 static int ecp_nistz256_set_from_affine(EC_POINT *out, const EC_GROUP *group,
1152 static int ecp_nistz256_points_mul(const EC_GROUP *group,
1178     if (group->meth != r->meth) {
1184         return EC_POINT_set_to_infinity(group, r);
1187         if (group->meth != points[j]->meth) {
1202         generator = EC_GROUP_get0_generator(group);
1210             EC_EX_DATA_get_data(group->extra_data, ecp_nistz256_pre_comp_dup,
1219             EC_POINT *pre_comp_generator = EC_POINT_new(group);
1224                 (pre_comp_generator, group, pre_comp->precomp[0], ctx)) {
1229             if (0 == EC_POINT_cmp(group, generator, pre_comp_generator, ctx))
1251                 if (!BN_nnmod(tmp_scalar, scalar, &group->order, ctx)) {
1377         if (!ecp_nistz256_windowed_mul(group, out, scalars, points, num, ctx))
1405 static int ecp_nistz256_get_affine(const EC_GROUP *group,
1416     if (EC_POINT_is_at_infinity(group, point)) {
1449 static EC_PRE_COMP *ecp_nistz256_pre_comp_new(const EC_GROUP *group)
1453     if (!group)
1463     ret->group = group;
1520 static int ecp_nistz256_window_have_precompute_mult(const EC_GROUP *group)
1523     const EC_POINT *generator = EC_GROUP_get0_generator(group);
1529     return EC_EX_DATA_get_data(group->extra_data, ecp_nistz256_pre_comp_dup,