ossl_ec_key_param_from_x509_algor
eckey = ossl_ec_key_param_from_x509_algor(palg, libctx, propq);
eckey = ossl_ec_key_param_from_x509_algor(palg, libctx, propq);
EC_KEY *ossl_ec_key_param_from_x509_algor(const X509_ALGOR *palg,