crypto/ec/ec_key.c

83     ret->group = NULL;
98     ret->group = EC_GROUP_new_by_curve_name(nid);
99     if (ret->group == NULL) {
126     if (r->group != NULL)
127         EC_GROUP_free(r->group);
149     if (src->group) {
150         const EC_METHOD *meth = EC_GROUP_method_of(src->group);
151         /* clear the old group */
152         if (dest->group)
153             EC_GROUP_free(dest->group);
154         dest->group = EC_GROUP_new(meth);
155         if (dest->group == NULL)
157         if (!EC_GROUP_copy(dest->group, src->group))
161     if (src->pub_key && src->group) {
164         dest->pub_key = EC_POINT_new(src->group);
242     if (!eckey || !eckey->group) {
259     if (!EC_GROUP_get_order(eckey->group, order, ctx))
268         pub_key = EC_POINT_new(eckey->group);
274     if (!EC_POINT_mul(eckey->group, pub_key, priv_key, NULL, NULL, ctx))
301     if (!eckey || !eckey->group || !eckey->pub_key) {
306     if (EC_POINT_is_at_infinity(eckey->group, eckey->pub_key)) {
313     if ((point = EC_POINT_new(eckey->group)) == NULL)
317     if (EC_POINT_is_on_curve(eckey->group, eckey->pub_key, ctx) <= 0) {
322     order = &eckey->group->order;
327     if (!EC_POINT_mul(eckey->group, point, NULL, eckey->pub_key, order, ctx)) {
331     if (!EC_POINT_is_at_infinity(eckey->group, point)) {
344         if (!EC_POINT_mul(eckey->group, point, eckey->priv_key,
349         if (EC_POINT_cmp(eckey->group, point, eckey->pub_key, ctx) != 0) {
374     if (!key || !key->group || !x || !y) {
383     point = EC_POINT_new(key->group);
392     tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(key->group));
398         if (!EC_POINT_set_affine_coordinates_GF2m(key->group, point,
401         if (!EC_POINT_get_affine_coordinates_GF2m(key->group, point,
407         if (!EC_POINT_set_affine_coordinates_GFp(key->group, point,
410         if (!EC_POINT_get_affine_coordinates_GFp(key->group, point,
443     return key->group;
446 int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group)
448     if (key->group != NULL)
449         EC_GROUP_free(key->group);
450     key->group = EC_GROUP_dup(group);
451     return (key->group == NULL) ? 0 : 1;
476     key->pub_key = EC_POINT_dup(pub_key, key->group);
498     if (key->group != NULL)
499         EC_GROUP_set_point_conversion_form(key->group, cform);
539     if (key->group != NULL)
540         EC_GROUP_set_asn1_flag(key->group, flag);
545     if (key->group == NULL)
547     return EC_GROUP_precompute_mult(key->group, ctx);