private void decryptBtn_Click(object sender, EventArgs e)
{
switch (typeCb.SelectedIndex)
{
case 0:
if (keyTxb.Text != "")
{
plain = Columnar.Decrypt(cipher, keyTxb.Text);
}
break;
case 1:
if (keyTxb.Text != "")
{
plain = DoubleTransposition.Decrypt(cipher, keyTxb.Text);
}
break;
case 2:
if (keyTxb.Text != "")
{
plain = Myszkowski.Decrypt(cipher, keyTxb.Text);
}
break;
default:
break;
}
this.Close();
}
private void encryptBtn_Click(object sender, EventArgs e)
{
if (((!showKeyChbx.Checked &&
(keyTxb.Text != "" &&
reenterTxb.Text != "") &&
(keyTxb.Text == reenterTxb.Text)) ||
(showKeyChbx.Checked && keyTxb.Text != "")) &&
plainTextRtb.Text != "")
{
if (typeCb.SelectedIndex == 0)
{
cipherTextRtb.Text = Columnar.Encrypt(plainTextRtb.Text,
keyTxb.Text,
paddingCb.SelectedIndex == 0 ? true : false);
logDisplayRtb.Text += "Cipher type: columnar cipher \n";
logDisplayRtb.Text += "padding: " + (paddingCb.SelectedIndex == 0 ? true : false) + "\n";
}
else if (typeCb.SelectedIndex == 1)
{
cipherTextRtb.Text = DoubleTransposition.Encrypt(plainTextRtb.Text,
keyTxb.Text,
paddingCb.SelectedIndex == 0 ? true : false);
logDisplayRtb.Text += "Cipher type: double cipher \n";
logDisplayRtb.Text += "padding: " + (paddingCb.SelectedIndex == 0 ? true : false) + "\n";
}
else if (typeCb.SelectedIndex == 2)
{
cipherTextRtb.Text = Myszkowski.Encrypt(plainTextRtb.Text,
keyTxb.Text,
paddingCb.SelectedIndex == 0 ? true : false);
logDisplayRtb.Text += "Cipher type: myszowski cipher \n";
logDisplayRtb.Text += "padding: " + (paddingCb.SelectedIndex == 0 ? true : false) + "\n";
}
}
else if ((!showKeyChbx.Checked &&
(keyTxb.Text == "" ||
reenterTxb.Text == "")) &&
plainTextRtb.Text != "")
{
if (keyTxb.Text == "")
{
toolTip.Show("enter a key first", this,
keyTxb.Location.X, keyTxb.Location.Y, 2000);
}
else
{
toolTip.Show("reenter the key first", this,
reenterTxb.Location.X, reenterTxb.Location.Y, 2000);
}
}
else if (((!showKeyChbx.Checked &&
(keyTxb.Text != "" &&
reenterTxb.Text != "") &&
(keyTxb.Text == reenterTxb.Text)) ||
(showKeyChbx.Checked && keyTxb.Text != "")) &&
plainTextRtb.Text == "")
{
toolTip.Show("no plain text to encrpt!\n provide a text", this,
plainTextRtb.Location.X, plainTextRtb.Location.Y, 2000);
}
else if ((!showKeyChbx.Checked &&
(keyTxb.Text != "" &&
reenterTxb.Text != "") &&
(keyTxb.Text != reenterTxb.Text)))
{
toolTip.Show("reentered key not the same\n check your key", this,
reenterTxb.Location.X, reenterTxb.Location.Y, 2000);
}
else if (showKeyChbx.Checked && keyTxb.Text == "")
{
toolTip.Show("enter a key first", this,
keyTxb.Location.X, keyTxb.Location.Y, 2000);
}
}