int EC_POINT_set_compressed_coordinates(const EC_GROUP *group, EC_POINT *point, const BIGNUM *x, int y_bit, BN_CTX *ctx) { if (group->meth->point_set_compressed_coordinates == NULL && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) { ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); return 0; } if (!ec_point_is_compat(point, group)) { ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES, EC_R_INCOMPATIBLE_OBJECTS); return 0; } if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) { if (group->meth->field_type == NID_X9_62_prime_field) return ec_GFp_simple_set_compressed_coordinates(group, point, x, y_bit, ctx); else #ifdef OPENSSL_NO_EC2M { ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES, EC_R_GF2M_NOT_SUPPORTED); return 0; } #else return ec_GF2m_simple_set_compressed_coordinates(group, point, x, y_bit, ctx); #endif } return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx); }
int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group, EC_POINT *point, const BIGNUM *x, int y_bit, BN_CTX *ctx) { if (group->meth->point_set_compressed_coordinates == 0 && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) { ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); return 0; } if (group->meth != point->meth) { ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M, EC_R_INCOMPATIBLE_OBJECTS); return 0; } if(group->meth->flags & EC_FLAGS_DEFAULT_OCT) { if (group->meth->field_type == NID_X9_62_prime_field) return ec_GFp_simple_set_compressed_coordinates( group, point, x, y_bit, ctx); else return ec_GF2m_simple_set_compressed_coordinates( group, point, x, y_bit, ctx); } return group->meth->point_set_compressed_coordinates(group, point, x, y_bit, ctx); }