private static void Main(string[] args)
{
string input = File.ReadAllText("../../../Input.json");
EthereumSignature inputSignature = JsonConvert.DeserializeObject <EthereumSignature>(input);
string message = inputSignature.Message;
byte[] messageBytes = Utils.GetBytes(message);
byte[] messageHash = new Sha3Keccack().CalculateHash(messageBytes);
int recId = inputSignature.V.HexToByteArray()[0];
EthECDSASignature signature = EthECDSASignatureFactory.FromComponents(
inputSignature.R.HexToByteArray(),
inputSignature.S.HexToByteArray());
EthECKey publicKey = EthECKey.RecoverFromSignature(signature, recId, messageHash);
VerifySignatureAndPrintResult(publicKey, inputSignature);
}
private static void VerifySignatureAndPrintResult(EthECKey publicKey, EthereumSignature signature)
{
bool valid = publicKey.GetPublicAddress() == signature.Address;
Console.WriteLine("{0}", valid ? "valid" : "invalid");
}
