/// <summary>
/// Signs the given data with a private key
/// </summary>
/// <param name="data">Data to sign</param>
/// <param name="privKey">Private key</param>
/// <returns></returns>
public static string Sign(string data, string privKey)
{
NetherumSigner::EthereumMessageSigner gen = new NetherumSigner::EthereumMessageSigner();
HexUTF8StringConvertor conv = new HexUTF8StringConvertor();
string hexPrivKey = conv.ConvertToHex(privKey);
return(gen.EncodeUTF8AndSign(data, new NetherumSigner::EthECKey(hexPrivKey)));
}
/// <summary>
/// Verifies a message with a given signature and a public key
/// </summary>
/// <param name="message">The message which got signed</param>
/// <param name="signature">The Signature</param>
/// <param name="pubKey">The publickey to check against</param>
/// <returns></returns>
public static bool VerifyMessage(this string message, string signature, string pubKey)
{
NetherumSigner::EthereumMessageSigner gen = new NetherumSigner::EthereumMessageSigner();
string addr;
try
{
addr = gen.EncodeUTF8AndEcRecover(message, signature);
}
catch
{
return(false);
}
return((addr.ToLower().Equals(pubKey.ToLower())) ? true : false);
}
