/**
* @param \Jose\Object\JWKInterface $key
* @param string $data
* @param string $R
* @param string $S
*
* @return bool
*/
private function verifyOpenSSLSignature(JWKInterface $key, $data, $R, $S)
{
$pem = ECKey::toPublic(new ECKey($key))->toPEM();
$oid_sequence = new Sequence();
$oid_sequence->addChildren([new Integer(gmp_strval($this->convertHexToGmp($R), 10)), new Integer(gmp_strval($this->convertHexToGmp($S), 10))]);
return 1 === openssl_verify($data, $oid_sequence->getBinary(), $pem, $this->getHashAlgorithm());
}
