/**
* @param Buffer $messageHash
* @param PublicKeyInterface $publicKey
* @param SignatureInterface $signature
* @return bool
* @throws \Exception
*/
public function verify(Buffer $messageHash, PublicKeyInterface $publicKey, SignatureInterface $signature)
{
$ret = \secp256k1_ecdsa_verify($messageHash->getBinary(), $signature->getBuffer()->getBinary(), $publicKey->getBuffer()->getBinary());
if ($ret === -1) {
throw new \Exception('Secp256k1 verify: Invalid public key');
} else {
if ($ret === -2) {
throw new \Exception('Secp256k1 verify: Invalid signature');
}
}
return $ret === 1 ? true : false;
}
