private void encryptButton_Click(object sender, EventArgs e) { if (String.IsNullOrEmpty(initialMessage.Text)) { errorProvider1.SetError(initialMessage, "Enter the message you want to encrypt"); } else { errorProvider1.Clear(); string clearText = initialMessage.Text.Trim(); string cipherText = SecurityEngine.EncryptMessage(clearText, true); cipherMessage.Text = cipherText; } }
private void decryptButton_Click(object sender, EventArgs e) { if (String.IsNullOrEmpty(encryptedMessage.Text)) { errorProvider1.SetError(encryptedMessage, "Enter the message you want to decrypt"); } else { errorProvider1.Clear(); string encryptedText = encryptedMessage.Text.Trim(); try { string decryptedText = SecurityEngine.DecryptMessage(encryptedText, true); decryptedMessage.Text = decryptedText; } catch (Exception ex) { //MessageBox.Show(ex.ToString()); MessageBox.Show("This is not an encrypted message. Please make sure to enter an encrypted message.", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1); Reset(); } } }