/**
* @param Signature $signature
* @return Buffer
*/
private function doSerialize(Signature $signature)
{
$signatureOut = '';
if (!secp256k1_ecdsa_signature_serialize_der($this->ecAdapter->getContext(), $signature->getResource(), $signatureOut)) {
throw new \RuntimeException('Secp256k1: serialize der failure');
}
return new Buffer($signatureOut);
}
/**
* @param BufferInterface $msg32
* @param PublicKey $publicKey
* @param Signature $signature
* @return bool
*/
private function doVerify(BufferInterface $msg32, PublicKey $publicKey, Signature $signature)
{
return (bool) secp256k1_ecdsa_verify($this->context, $msg32->getBinary(), $signature->getResource(), $publicKey->getResource());
}
