public void EncodeTest()
{
var c = new GronsfeldCipher();
Assert.AreEqual("HYEMYDUMPS", new String(c.Encode("EXALTATION", new byte[] { 3, 1, 4, 1, 5 })));
Assert.AreEqual("M%muxi%dncpqftiix\"", new String(c.Encode("I love challenges!", new byte[] { 4, 5, 1, 6, 2 })));
Assert.AreEqual("Uix!&kotvx3", new String(c.Encode("Test input.", new byte[] { 1, 4, 5, 8, 6, 2, 1, 4 })));
}
public void SymetryTest()
{
byte[] key = new byte[] { 3, 2, 5, 7, 1, 4, 0 };
string msg = "Hello World!";
var c = new GronsfeldCipher();
Assert.AreEqual(msg, new String(c.Decode(new String(c.Encode(msg, key)), key)));
CollectionAssert.AreEqual(msg.ToCharArray(), c.Decode(new String(c.Encode(msg, key)), key));
}
public void UserSuppliedAlphabet()
{
string alphabet = "ABCD0123.!, ";
byte[] key = new byte[] { 1, 2 };
string msg = "AAAA01"; // You can only use elements from the alphabet
var c = new GronsfeldCipher(alphabet);
Assert.AreEqual(msg, new String(c.Decode(new String(c.Encode(msg, key)), key)));
CollectionAssert.AreEqual(msg.ToCharArray(), c.Decode(new String(c.Encode(msg, key)), key));
}
public void Gronsfeld()
{
GronsfeldCipher cipher = new GronsfeldCipher();
int[] key = { 3, 2, 6 };
const string plaintext = "Geheimnis";
const string ciphertext = "Jgnhksqky";
Assert.AreEqual(ciphertext, cipher.Encrypt(plaintext, key));
Assert.AreEqual(plaintext, cipher.Decrypt(ciphertext, key));
}
