private void decrypt_Click(object sender, RoutedEventArgs e)
{
int count = 0;
string text_a = textA.Text;
text_a.Trim();
string text_b = textB.Text;
text_b.Trim();
for (int i = 0; i < text_a.Length; i++)
{
if (text_a[i] == 32)
{
count++;
}
}
count++;
int[] a = CheckInput(text_a, count);
int[] b = CheckInput(text_b, count);
int p = Convert.ToInt32(keyP.Text);
int x = Convert.ToInt32(keyX.Text);
Gamal elGamal = new Gamal();
string result = "";
for (int i = 0; i < count; i++)
{
result += elGamal.Decrypt(p, x, a[i], b[i]);
}
cipher.Text = result;
}
private void encrypt_Click(object sender, RoutedEventArgs e)
{
KeyGen key = new KeyGen();
int p = key.GenerateP();
int g = key.GenerateG(p);
int x = key.GenerateX(p);
int y = key.FastExponentiation(p, g, x);
cipher_a.Text = "";
cipher_b.Text = "";
string src = source.Text;
Gamal elGamal = new Gamal();
int[] res = new int[2];
for (int i = 0; i < src.Length; i++)
{
int symbol = Convert.ToInt32(source.Text[i]);
res = elGamal.Encrypt(p, g, y, symbol);
cipher_a.Text += Convert.ToString(res[0]);
cipher_b.Text += Convert.ToString(res[1]);
cipher_a.Text += " ";
cipher_b.Text += " ";
}
keyP.Text = Convert.ToString(p);
keyG.Text = Convert.ToString(g);
keyY.Text = Convert.ToString(y);
keyX.Text = Convert.ToString(x);
}