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);
}
/*
* Instantiates different ciphers based on the stack of used ciphers.
*/
private bool LoadCiphers()
{
int i = 0;
try
{
foreach (ListBoxItem currentItem in usedCiphers.Items)
{
if (textBoxes[i].Text.Equals(""))
{
errorsTextBox.Text = "You must introduce a key for each cipher!";
return(false);
}
switch (currentItem.Content)
{
case "Caesar":
ciphers[i] = new CaesarCipher();
break;
case "Nihilist":
ciphers[i] = new NihilistCipher();
break;
case "Bifid":
ciphers[i] = new BifidCipher();
break;
case "Playfair":
ciphers[i] = new PlayfairCipher();
break;
}
ciphers[i].SetKey(textBoxes[i].Text);
textBoxes[i].Text = ciphers[i].GetKeyValue();
i++;
}
}
catch (InvalidKeyFormatException ex)
{
errorsTextBox.Text = ex.Message;
return(false);
}
return(true);
}
