private static void ShowCaesarEncryption()
{
Console.WriteLine("--*-- Caesar Cipher example --*--");
Console.WriteLine("Type a string to encrypt (or hit Enter to continue with default): ");
string inputText = Console.ReadLine();
if (inputText == "")
{
inputText = plainText;
}
Console.WriteLine("Enter the key value (numberic)");
string key = Console.ReadLine();
int intKey = 0;
if (!Int32.TryParse(key, out intKey))
{
intKey = -1;
}
Console.WriteLine("Encrypted text input with Caesar Cipher by {0} spaces:", intKey);
string cipherText = CaesarCipher.Encipher(inputText, intKey);
Console.WriteLine(cipherText);
Console.Write("\n");
Console.WriteLine("Decrypted Data:");
string t = CaesarCipher.Decipher(cipherText, intKey);
Console.WriteLine(t);
}
public ActionResult Index()
{
string password = "******";
int key = Convert.ToInt32(-2);
string cipherText = CaesarCipher.Encipher(password, key);
string t = CaesarCipher.Decipher(cipherText, key);
string burak = "";
return(View());
}
private void cipherButton_Click(object sender, EventArgs e)
{
// This text is added only once to the file.
if (!File.Exists(plainTextPath))
{
return;
}
string plainText = File.ReadAllText(plainTextPath);
if (!plainText.All(c => Char.IsLetterOrDigit(c) || c == ' '))
{
MessageBox.Show("The text must contains only alphanumeric characters in order to be encrypted!",
"Invalid input!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
string vigenereKey = vigenereKeyTextBox.Text;
if (!vigenereKey.All(c => Char.IsLetterOrDigit(c) || c == ' '))
{
MessageBox.Show("The key must contains only alphanumeric characters in order to be encrypted!",
"Invalid key!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
var vigenereEncryptionText = VigenereCipher.Encipher(plainText, vigenereKey);
vigenereCipherRichTextBox.Text = vigenereEncryptionText;
int caesarKey = Convert.ToInt32(caesarKeyNumericUpDown.Value);
var cipherText = CaesarCipher.Encipher(vigenereEncryptionText, caesarKey);
cipherTextRichTextBox.Text = cipherText;
File.WriteAllText(cipherTextPath, cipherText);
}
public void CaesarCipherTest(string expected, string plaintext, int rot, bool squash = false)
{
Assert.AreEqual(expected, CaesarCipher.Encipher(plaintext, rot, squash));
}
