private void Decrypt()
{
string cipherText = GetRichTextBoxText(CipherRTB).ToLower();
if (cipherText == "")
{
PlainTextRTB.IsEnabled = false;
return;
}
PlainTextRTB.IsEnabled = true;
string decryptedText = Decrypt(Convert.ToInt32(KeySlider.Value), cipherText);
PlainTextRTB.Document.Blocks.Clear();
PlainTextRTB.AppendText(decryptedText);
}
private void CipherRTB_TextChanged(object sender, TextChangedEventArgs e)
{
string cipherText = GetRichTextBoxText(CipherRTB).ToLower();
if (cipherText == "")
{
PlainTextRTB.IsEnabled = false;
return;
}
PlainTextRTB.IsEnabled = true;
string decryptedText = Decrypt(cipherText);
PlainTextRTB.Document.Blocks.Clear();
PlainTextRTB.AppendText(decryptedText);
UpdateSingleFrequenciesTable();
UpdatePairFrequenciesTable();
}
private void Switch()
{
string str = GetRichTextBoxText(CipherRTB).ToLower();
PlainTextRTB.IsEnabled = true;
string temp = "";
foreach (char c in str)
{
if (c == 'q')
{
temp += "h";
}
else if (c == 'm')
{
temp += "t";
}
else if (c == 's')
{
temp += "e";
}
else if (c == 'u')
{
temp += "r";
}
else if (c == 'k')
{
temp += "a";
}
else if (c == 'v')
{
temp += "n";
}
else if (c == 'h')
{
temp += "u";
}
else if (c == 't')
{
temp += "m";
}
else if (c == 'd')
{
temp += "b";
}
else if (c == 'b')
{
temp += "o";
}
else if (c == 'j')
{
temp += "f";
}
else if (c == 'n')
{
temp += "d";
}
else if (c == 'x')
{
temp += "i";
}
else if (c == 's')
{
temp += "e";
}
else if (c == 'p')
{
temp += "c";
}
else if (c == 'e')
{
temp += "s";
}
else if (c == 'a')
{
temp += "y";
}
else if (c == 'y')
{
temp += "p";
}
else if (c == 'w')
{
temp += "g";
}
else if (c == 'g')
{
temp += "v";
}
else if (c == 'i')
{
temp += "x";
}
else if (c == 'f')
{
temp += "k";
}
else if (c == 'c')
{
temp += "j";
}
else if (c == 'r')
{
temp += "q";
}
else if (c == 'o')
{
temp += "w";
}
else
{
temp += c;
}
}
PlainTextRTB.Document.Blocks.Clear();
PlainTextRTB.AppendText(temp);
//PlainTextRTB.Document.Blocks.Clear();
//PlainTextRTB.AppendText("izrxgrtnwzqf".ToUpper());
}
private void Button_Click(object sender, RoutedEventArgs e)
{
if (sender == null)
{
return;
}
if (!(sender is Button))
{
return;
}
Button button = sender as Button;
if (SourceButton == null)
{
SourceButton = button;
SourceButton.Background = Brushes.Green;
}
else if (DestinationButton == null)
{
DestinationButton = button;
if (DestinationButton == SourceButton)
{
char ch1 = SourceButton.Content.ToString().ToLower()[0];
char ch2 = AlphabetDictionary[ch1];
SwapChars(ch1, ch1);
SwapChars(ch2, ch2);
SourceButton.Background = Brushes.LightGray;
DestinationButton = FindButton(ch2.ToString().ToUpper());
if (DestinationButton != null)
{
DestinationButton.Background = Brushes.LightGray;
}
}
else
{
char source = SourceButton.Content.ToString().ToLower()[0];
char destination = DestinationButton.Content.ToString().ToLower()[0];
SwapChars(source, destination);
}
string decryptedText = Decrypt(GetRichTextBoxText(CipherRTB));
string plaintText = GetRichTextBoxText(PlainTextRTB);
if (plaintText != "" && plaintText != null)
{
PlainTextRTB.Document.Blocks.Clear();
PlainTextRTB.AppendText(decryptedText);
}
NewAlphabet.Text = "";
char c = 'a';
foreach (var ele in AlphabetDictionary)
{
NewAlphabet.Text += AlphabetDictionary[c].ToString().ToUpper() + " ";
c = (char)(c + 1);
}
SourceButton = null;
DestinationButton = null;
}
}
