public override BigInteger Scramble(BigInteger input, int rawByteLength)
{
if (rawByteLength < _ByteCutoff)
{
return(input);
}
return(_XteaDiffuser.Scramble(input, rawByteLength));
}
public void TestDiffuser() {
const string helloWorld = "Hello World!";
var helloWorldBytes = Encoding.UTF8.GetBytes(helloWorld);
BigInteger b = helloWorldBytes.ToBigIntegerFromBigEndianUnsignedBytes();
Diffuser d = new XteaDiffuser();
var scrambled = d.Scramble(b, helloWorldBytes.Length);
var unscrambed = d.Unscramble(scrambled, helloWorldBytes.Length);
var unscrambledBytes = unscrambed.ToUnsignedBigEndianBytes();
string recovered = Encoding.UTF8.GetString(unscrambledBytes);
Assert.AreEqual(helloWorld, recovered);
}
