Lines Matching refs:group

38     const EC_GROUP *group;      /* parent EC_GROUP object */
51 static EC_PRE_COMP *ec_pre_comp_new(const EC_GROUP *group)
55     if (!group)
64     ret->group = group;
117  * This functions computes a single point multiplication over the EC group,
128  * constant time bets are off (where n is the cardinality of the EC group).
130  * This function expects `group->order` and `group->cardinality` to be well
141  * input parameters `group`, `r`, `scalar` and `ctx` are not NULL.
145 int ossl_ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r,
158     if (point != NULL && EC_POINT_is_at_infinity(group, point))
159         return EC_POINT_set_to_infinity(group, r);
161     if (BN_is_zero(group->order)) {
165     if (BN_is_zero(group->cofactor)) {
172     if (((p = EC_POINT_new(group)) == NULL)
173         || ((s = EC_POINT_new(group)) == NULL)) {
179         if (!EC_POINT_copy(p, group->generator)) {
202     if (!BN_mul(cardinality, group->order, group->cofactor, ctx)) {
255     group_top = bn_get_top(group->field);
270     if (!p->Z_is_one && (group->meth->make_affine == NULL
271                          || !group->meth->make_affine(group, p, ctx))) {
277     if (!ec_point_ladder_pre(group, r, s, p, ctx)) {
357         if (!ec_point_ladder_step(group, r, s, p, ctx)) {
372     if (!ec_point_ladder_post(group, r, s, p, ctx)) {
410 int ossl_ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
438     if (!BN_is_zero(group->order) && !BN_is_zero(group->cofactor)) {
444         if ((scalar != group->order) && (scalar != NULL) && (num == 0)) {
453             return ossl_ec_scalar_mul_ladder(group, r, scalar, NULL, ctx);
455         if ((scalar == NULL) && (num == 1) && (scalars[0] != group->order)) {
463             return ossl_ec_scalar_mul_ladder(group, r, scalars[0], points[0],
469         generator = EC_GROUP_get0_generator(group);
477         pre_comp = group->pre_comp.ec;
479             && (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==
675             *v = EC_POINT_new(group);
686     if ((tmp = EC_POINT_new(group)) == NULL)
706             if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))
710                     (group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))
716     if (group->meth->points_make_affine == NULL
717         || !group->meth->points_make_affine(group, num_val, val, ctx))
724             if (!EC_POINT_dbl(group, r, r, ctx))
741                             if (!EC_POINT_invert(group, r, ctx))
759                          * group.
761                         if (!ossl_ec_point_blind_coordinates(group, r, ctx)) {
769                             (group, r, r, val_sub[i][digit >> 1], ctx))
778         if (!EC_POINT_set_to_infinity(group, r))
782             if (!EC_POINT_invert(group, r, ctx))
830 int ossl_ec_wNAF_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
845     EC_pre_comp_free(group);
846     if ((pre_comp = ec_pre_comp_new(group)) == NULL)
849     generator = EC_GROUP_get0_generator(group);
865     order = EC_GROUP_get0_order(group);
904         if ((var[i] = EC_POINT_new(group)) == NULL) {
910     if ((tmp_point = EC_POINT_new(group)) == NULL
911         || (base = EC_POINT_new(group)) == NULL) {
923         if (!EC_POINT_dbl(group, tmp_point, base, ctx))
933             if (!EC_POINT_add(group, *var, tmp_point, *(var - 1), ctx))
948             if (!EC_POINT_dbl(group, base, tmp_point, ctx))
951                 if (!EC_POINT_dbl(group, base, base, ctx))
957     if (group->meth->points_make_affine == NULL
958         || !group->meth->points_make_affine(group, num, points, ctx))
961     pre_comp->group = group;
968     SETPRECOMP(group, ec, pre_comp);
991 int ossl_ec_wNAF_have_precompute_mult(const EC_GROUP *group)
993     return HAVEPRECOMP(group, ec);