public void CanSignAndVerify()
{
RsaKey key = TestKeys.Default;
for (int i = 0; i < 100; i++)
{
var data = RandomUtils.GetBytes(234);
var sig = key.Sign(data, out uint160 nonce);
Assert.True(key.PubKey.Verify(sig, data, nonce));
}
}
private static string GetRsaStringEncrypted(string message)
{
try
{
var m = Encoding.Default.GetBytes(message);
var c = _rsa.Sign(m);
return(Converter.BytesToHexString(c));
}
catch
{
return("0");
}
}
private static string DecryptRSAString(string message)
{
try
{
byte[] m = Encoding.Default.GetBytes(message);
byte[] c = Rsa.Sign(m);
return(Converter.BytesToHexString(c));
}
catch
{
return("0");
}
}
private static string GetRsaStringEncrypted(string message)
{
try
{
byte[] m = Encoding.Default.GetBytes(message);
byte[] c = Rsa.Sign(m);
return(Converter.BytesToHexString(c));
}
catch
{
Writer.LogCriticalException("Sorry, the Encryption Handler stopped Inesperatelly. Please Restart Emulator.");
return(null);
}
}
private static string GetRsaStringEncrypted(string message)
{
try
{
byte[] m = Encoding.Default.GetBytes(message);
byte[] c = Rsa.Sign(m);
return(Converter.BytesToHexString(c));
}
catch (Exception e)
{
YupiLogManager.LogCriticalException(e, "Encryption System Crashed.", "Yupi.Users");
return(null);
}
}
public static void CanVerifyBlind()
{
// generate rsa keypair
var key = new RsaKey();
// generate blinding factor with pubkey
// blind message
byte[] message = Encoding.ASCII.GetBytes("sing me please");
var blindingResult = key.PubKey.Blind(message);
// sign the blinded message
var signature = key.Sign(blindingResult.BlindedData);
// unblind the signature
var unblindedSignature = key.PubKey.Unblind(signature, blindingResult.BlindingFactor);
// unblind message
var unblindedMessage = key.PubKey.Unblind(blindingResult.BlindedData, blindingResult.BlindingFactor);
// verify the original data is signed
Console.WriteLine(key.PubKey.Verify(unblindedSignature, message));
}
