public void Bifid()
{
BifidCipher cipher = new BifidCipher();
char[,] key = new char[, ] {
{ 'B', 'Q', 'I', 'F', 'T' },
{ 'G', 'P', 'O', 'C', 'H' },
{ 'W', 'N', 'A', 'L', 'Y' },
{ 'K', 'D', 'X', 'U', 'V' },
{ 'Z', 'S', 'E', 'M', 'R' }
};
const string plaintext = "FLEEATONCE";
const string ciphertext = "UAEOLWRINS";
Assert.AreEqual(ciphertext, cipher.Encrypt(plaintext, key), true);
Assert.AreEqual(plaintext, cipher.Decrypt(ciphertext, key), true);
}
