Example #1
0
        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();
        }
Example #2
0
 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);
     }
 }