EC_FLAGS_CUSTOM_CURVE
if ((group->meth->flags & EC_FLAGS_CUSTOM_CURVE) != 0)
if ((key->group->meth->flags & EC_FLAGS_CUSTOM_CURVE) == 0)
if ((src->meth->flags & EC_FLAGS_CUSTOM_CURVE) == 0) {
if ((ret->meth->flags & EC_FLAGS_CUSTOM_CURVE) == 0) {
if (a->meth->flags & EC_FLAGS_CUSTOM_CURVE)