public void Multigraph_RailFenceTest() { RailFence railfence = new RailFence(Utility.KeyedEnglishAlphabet("KRYPTOS").ToStringArray()); byte[] tokenData = new byte[2]; using (System.Security.Cryptography.RandomNumberGenerator rng = new System.Security.Cryptography.RNGCryptoServiceProvider()) { rng.GetBytes(tokenData); railfence.Key = (int)(BitConverter.ToUInt16(tokenData, 0) >> 8); for (int i = 0; i < 25; i++) { generated = railfence.GenerateRandomLetters(); cipher = railfence.Encrypt(generated); clear = railfence.Decrypt(cipher); CollectionAssert.AreEqual(generated, clear); } } }