EC_KEY_OpenSSL
if ((ec_meth = EC_KEY_METHOD_new(EC_KEY_OpenSSL())) == NULL)
ec_key_method = EC_KEY_METHOD_new(EC_KEY_OpenSSL());
if (ec->engine != NULL || EC_KEY_get_method(ec) != EC_KEY_OpenSSL())
|| !ENGINE_set_EC(e, EC_KEY_OpenSSL())
OSSL_DEPRECATEDIN_3_0 const EC_KEY_METHOD *EC_KEY_OpenSSL(void);