public static string ToString(EthECDSASignature signature)
{
byte[] result = new byte[65];
byte[] rands = signature.To64ByteArray();
Array.Copy(rands, result, rands.Length);
result[result.Length - 1] = (byte)EthECKey.GetRecIdFromV(signature.V);
return(result.ToHex(true));
}
private static void Main(string[] args)
{
//EthECKey privateKey = EthECKey.GenerateKey();
EthECKey privateKey = new EthECKey("97ddae0f3a25b92268175400149d65d6887b9cefaf28ea2c078e05cdc15a3c0a");
string message = "exercise-cryptography";
byte[] messageBytes = Utils.GetBytes(message);
byte[] messageHash = new Sha3Keccack().CalculateHash(messageBytes);
EthECDSASignature signature = privateKey.SignAndCalculateV(messageHash);
EthereumSignature result = new EthereumSignature
{
Signature = EncryptionUtils.ToString(signature),
V = string.Format("0x{0:X2}", EthECKey.GetRecIdFromV(signature.V)),
R = signature.R.ToHex(true),
S = signature.S.ToHex(true)
};
string output = JsonUtils.Serialize(result);
File.WriteAllText("../../../Output.json", output);
Console.WriteLine(output);
}