//Authenticate the signature file.
private void DSAuthenticateButton_Click(object sender, RoutedEventArgs e)
{
//Create a DigitalSignature object that will load all the necessary properties from saved files.
DigitalSignature digitalSignature = new DigitalSignature(DSInputTextBox.Text, DSInputSignatureTextBox.Text, DSInputPublicKeyTextBox.Text);
DSInputTextBlock.Text = digitalSignature.AuthenticateSignature() ? "Signature valid!" : "Signature invalid!";
}
private void DCAuthenticateCertificateButton_Click(object sender, RoutedEventArgs e)
{
//Create a DigitalEnvelope object that will load all the necessary properties from saved files.
DigitalEnvelope digitalEnvelope = new DigitalEnvelope(DCInputEnvelopeTextBox.Text, DCInputEnvelopePrivateKeyTextBox.Text);
//Create a DigitalSignature object that will load all the necessary properties from saved files and the DigitalEnvelope object.
DigitalSignature digitalSignature = new DigitalSignature(digitalEnvelope.DigitalEnvelopeEncrypted.EncryptedDataKeyPair(), DCInputSignatureTextBox.Text, DCInputSignaturePublicKeyTextBox.Text);
if (digitalSignature.AuthenticateSignature())
{
DCInputTextBlock.Text = "Signature valid!";
}
else
{
DCInputTextBlock.Text = "Signature invalid!";
return;
}
byte[] result = digitalEnvelope.DecryptEnvelope();
string decryptedEnvelope = result != null?Encoding.Unicode.GetString(result) : "Envelope could not be decrypted!";
DCInputTextBlock.Text += "\n\n-----------------------------------------------\n" + decryptedEnvelope;
}
