public string Decrypt() // Дешифрування
{
string changedKey = ""; // результуюча змінна для нового ключа
foreach (var ch in GetKey)
{
changedKey += GetAlphabet.GetLetterFromIndex((GetAlphabet.GetLenght() - GetAlphabet.GetIndexFromAlphabet(ch)) % GetAlphabet.GetLenght()); // обчислення симовлу нового ключа
}
var obj = new Vigener(GetInput, changedKey, GetAlphabet);
return(obj.Encrypt()); // повернення розшифрованого тексту
}
private void materialRaisedButton1_Click(object sender, EventArgs e)
{
key = materialSingleLineTextField1.Text;
if (key != null && textFromOriginalFile != null)
{
string executableLocation = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var alph = new Alphabet();
var ciphered = "";
var obj1 = new OneTimePad(textFromOriginalFile, key);
var obj2 = new Vigener(textFromOriginalFile, key, alph);
var obj3 = new AffineCipher(textFromOriginalFile, alph);
var rsaKeys = new RSAKeys();
var obj4 = new RSA(textFromOriginalFile, rsaKeys.GetRSAKeys[0]);
//var rabinKeys = new RabinKeys();
//var obj5 = new RabinCipher(textFromOriginalFile, rabinKeys.GetRabinKeys[0]);
var elHamalKeys = new ElHamalKey();
var obj6 = new ElHamalCipher(textFromOriginalFile, elHamalKeys.GetElHamalKeys[0]);
if (materialRadioButton1.Checked == true)
{
ciphered = obj1.Encrypt();
materialSingleLineTextField1.Enabled = true;
materialLabel1.Visible = false;
}
else if (materialRadioButton2.Checked == true)
{
ciphered = obj2.Encrypt();
materialSingleLineTextField1.Enabled = true;
materialLabel1.Visible = false;
}
else if (materialRadioButton3.Checked == true)
{
ciphered = obj3.Encrypt();
materialLabel1.Text = "Ключ(" + obj3.GetKey.Key + ";" + obj3.GetKey.Value + ")";
materialSingleLineTextField1.Enabled = false;
}
else if (materialRadioButton4.Checked == true)
{
ciphered = obj4.Encrypt();
File.WriteAllText(Path.Combine(executableLocation, "RSAkeys.txt"), string.Join("\n", rsaKeys.GetRSAKeys.Select(x => x)));
//var a = File.ReadAllText(Path.Combine(executableLocation, "RSAkeys.txt")).Trim(']', '[').Split('\n').Select(x => x.Trim(']', '[')).ToList();
materialLabel1.Text = "Ключ(" + obj4.GetKey.Key + ";" + obj4.GetKey.Value + ")";
materialSingleLineTextField1.Enabled = false;
}
else if (materialRadioButton5.Checked == true)
{
ciphered = obj6.Encrypt();
File.WriteAllText(Path.Combine(executableLocation, "ElhamalKeys.txt"), string.Join("\n", elHamalKeys.GetElHamalKeys.Select(x => string.Join(";", x.ToArray()))));
materialLabel1.Text = "Ключ(" + obj6.GetKey[0] + ";" + obj6.GetKey[1] + ";" + obj6.GetKey[2] + ")";
materialSingleLineTextField1.Enabled = false;
}
textBox2.Text = textFromOriginalFile;
materialLabel2.Text = "Початковий текст";
File.WriteAllText(Path.Combine(executableLocation, "CipheredText.txt"), ciphered);
textBox1.Text = File.ReadAllText(Path.Combine(executableLocation, "CipheredText.txt"));
materialLabel3.Text = "Зашифрований текст";
}
else
{
MessageBox.Show("Введіть ключ та оберіть файл для шифрування даних");
}
}