public MainWindow()
{
InitializeComponent();
DataContext = new VigenereCipherViewModel();
string tmp = VigenereCipher.EncryptMessage("ATTACKATDAWN", "LEMONLEMONLE");
VigenereCipher.DecryptMessage(tmp, "LEMONLEMONLE");
VigenereCipher.test();
}
private void Decrypt(object obj)
{
PlainText = VigenereCipher.DecryptMessage(cipherText, key);
}