/// <summary>
/// Decrypt Button Click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DecryptButton_Click(object sender, RoutedEventArgs e)
{
try
{
var secret = new Cypher();
secret.Deserialize(this.OutputTextBox.Text);
// Decrypt
byte[] message = this.Rsa.Decoder.Decrypt(secret);
Encoding encodingProcedure;
if (Rsa.Decoder.PatternConverter == null)
{
encodingProcedure = System.Text.Encoding.Unicode;
}
else
{
encodingProcedure = Rsa.Decoder.PatternConverter.EncodingProcedure;
}
// Print result
this.DecryptionResultTextBox.Text = encodingProcedure.GetString(message);
// Signature verification
if (secret.Sign == null)
{
this.SignatureVerificationTextBlock.Text = "Data is unsigned.";
this.SignatureVerificationTextBlock.Foreground = new SolidColorBrush(Colors.DarkOrange);
}
else
{
bool isVerified = this.Rsa.Signer.Verify(message, secret.Sign);
if (isVerified)
{
this.SignatureVerificationTextBlock.Text = "Signature verified.";
this.SignatureVerificationTextBlock.Foreground = new SolidColorBrush(Colors.Green);
}
else
{
this.SignatureVerificationTextBlock.Text = "Signature not verified!";
this.SignatureVerificationTextBlock.Foreground = new SolidColorBrush(Colors.Red);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Hata");
}
}
