private void button2_Click(object sender, EventArgs e)
{
string message = textBox2.Text;
if (comboBox1.Text == "Shift")
{
int x = Convert.ToInt32(textBox1.Text);
textBox3.Text = ceasercipher.decrypt(message, 26 - x);
}
if (comboBox1.Text == "Vegenere")
{
string x = textBox1.Text;
textBox3.Text = VegenereCipher.decrypt(message, x);
}
if (comboBox1.Text == "Substitution")
{
int x = Convert.ToInt32(textBox1.Text);
textBox3.Text = ceasercipher.decrypt(message, 26 - x);
}
if (comboBox1.Text == "RailFence")
{
int x = Convert.ToInt32(textBox1.Text);
textBox3.Text = RailfenceCipher.decrypt(message, x);
}
if (comboBox1.Text == "PlayFair")
{
string x = textBox1.Text;
textBox3.Text = Playfair.encrypt(message, x, false);
}
}
private void DecryptButton_Click(object sender, EventArgs e)
{
if (EncryptedText.TextLength < 1)
{
return;
}
switch (AlgorithmSelect.SelectedIndex)
{
case 0:
var caesar = new Caesar((int)caesarShift.Value, string25Key.Text);
NormalText.Text = caesar.Decrypt(EncryptedText.Text);
break;
case 1:
var playfaire = new Playfair(string25Key.Text);
NormalText.Text = playfaire.Decrypt(EncryptedText.Text);
break;
case 2:
var rsa = new RSA(rsaPublicText.Text, rsaPrivateText.Text);
NormalText.Text = rsa.Decrypt(EncryptedText.Text);
break;
default:
break;
}
}
public void PlayfairTest2()
{
playfair = new Playfair("thisisaweirdkeyword");
string expected = "THISAWERDKYOBCFGLMNPQUVXZ";
string result = new string(playfair.playfairArray);
Assert.AreEqual(expected, result);
}
public void PlayfairTest()
{
playfair = new Playfair("keyword");
string expected = "KEYWORDABCFGHILMNPQSTUVXZ";
string result = new string(playfair.playfairArray);
Assert.AreEqual(expected, result);
}
private void ExcuteAlgorithm()
{
_result = new List <string>();
int algor = cbxAlgorithm.SelectedIndex;
int progress = cbxProgress.SelectedIndex;
switch (algor)
{
case 0:
int key = int.Parse(rtbxKey.Text);
if (progress == 0)
{
foreach (var item in _data)
{
_result.Add(Ceasar.Encipher(item, key));
}
}
else
{
foreach (var item in _data)
{
_result.Add(Ceasar.Decipher(item, key));
}
}
break;
case 1:
string khoa = rtbxKey.Text;
if (progress == 0)
{
foreach (var item in _data)
{
_result.Add(Playfair.PlayfairEncryption(item, khoa));
}
}
else
{
foreach (var item in _data)
{
_result.Add(Playfair.PlayfairDecryption(item, khoa));
}
}
break;
}
}
public void Unigraph_PlayfairTest()
{
char[] ch = new string(Utility.KeyedEnglishAlphabet("KRYPTOS")).Replace("J", "").ToCharArray();
Playfair playfair = new Playfair(ch);
cipher = "";
clear = "";
generated = "";
for (int i = 0; i < 25; i++)
{
generated = playfair.GenerateRandomString().Replace("J", "I").Substring(0, 26);
cipher = playfair.Encrypt(generated);
clear = playfair.Decrypt(cipher);
//TODO: Write changing X to be the letter that came before it
//Assert.AreEqual(generated, clear);
}
}
private void EncryptButton_Click(object sender, EventArgs e)
{
if (NormalText.TextLength < 1)
{
return;
}
switch (AlgorithmSelect.SelectedIndex)
{
case 0:
var caesar = new Caesar((int)caesarShift.Value, string25Key.Text);
EncryptedText.Text = caesar.Encrypt(NormalText.Text);
break;
case 1:
var playfaire = new Playfair(string25Key.Text);
EncryptedText.Text = playfaire.Encrypt(NormalText.Text);
break;
case 2:
RSA rsa;
if (rsaPublicText.TextLength < 10 || rsaPrivateText.TextLength < 10)
{
rsa = new RSA((RSA.KeySize)RSAKeySize.SelectedItem);
}
else
{
rsa = new RSA(rsaPublicText.Text, rsaPrivateText.Text);
}
rsaPublicText.Text = rsa.Keys.PublicKey;
rsaPrivateText.Text = rsa.Keys.PrivateKey;
EncryptedText.Text = rsa.Encrypt(NormalText.Text);
break;
default:
break;
}
}
static void Main(string[] args)
{
Crypt C; int opt;
string text = Fisier.Citire("text_clar.txt");
text = text.ToUpper();
text = RemoveFromText(text, " ,.");
Console.WriteLine("Alegeti optiunea dorita: ");
Console.WriteLine("1. Jefferson ");
Console.WriteLine("2. Playfair ");
opt = int.Parse(Console.ReadLine());
switch (opt)
{
case 1:
{
Console.Write("Introduceti numarul discurilor: ");
int n = int.Parse(Console.ReadLine());
C = new Jefferson(n);
}
break;
case 2:
{
Console.Write("Introduceti textul cheie: ");
string k = Convert.ToString(Console.ReadLine());
k = k.ToUpper();
C = new Playfair(k);
}
break;
default: throw new Exception("Optiune introdusa este invalida!");
}
Console.WriteLine("Textul clar: " + text);
text = C.Encriptare(text);
Console.WriteLine("Textul dupa criptare: " + text);
text = C.Decriptare(text);
Console.WriteLine("Textul dupa decriptare: " + text);
}
private void btn2_Click(object sender, RoutedEventArgs e)
{
this.Hide();
Playfair p = new Playfair();
p.Show();
}
public void Test_Init()
{
playfair = new Playfair("keyword");
}
private void PlayfairDecrypt_Click(object sender, EventArgs e)
{
PlayfairOutput.Text = Playfair.Decrypt(PlayfairInput.Text, PlayfairKeyword.Text);
}
