public void ElGamalEncryptSimpleEncryptDecrypt()
{
var elgamal = new SimpleElGamal(8, 13, 5, 89);
Assert.AreEqual(elgamal.Key, 16u);
Assert.AreEqual(elgamal.Encrypt(35), 26u);
Assert.AreEqual(elgamal.Decrypt(26), 35u);
}
public void ElGamalLongMessageEncryption()
{
var elgamal = new SimpleElGamal(12, 17, 3, 74);
var message = new List <uint> {
13, 7, 22, 43, 56, 64, 8, 1, 12
};
var expected = new List <uint>();
foreach (var value in message)
{
expected.Add(NumericUtilities.SolveModulo(value * elgamal.Key, 1, elgamal.Modulo));
}
var encrypted = elgamal.Encrypt(message);
Assert.IsTrue(expected.SequenceEqual(encrypted));
Assert.IsTrue(message.SequenceEqual(elgamal.Decrypt(encrypted)));
}