private void DCGenerateCertificateButton_Click(object sender, RoutedEventArgs e)
{
//Create a RSAWrapper object using the dropdown box selection.
RSAWrapper envelopeRsaAlgorithm = new RSAWrapper(DCEnvelopeRsaDropdown.SelectedItem.ToString());
//Create a CipherMode object using the dropdown box selection.
CipherMode cipherMode = HelperExtensions.StringToCipherMode(DCEnvelopeCipherDropdown.SelectedItem.ToString());
//Create a SymmetricAlgorithmWrapper object using the dropdown box selection and the CipherMode object.
SymmetricAlgorithmWrapper symmetricAlgorithmType = HelperExtensions.StringToSymAlg(DCEnvelopeSymDropdown.SelectedItem.ToString(), cipherMode, DCEnvelopeCipherDropdown.SelectedItem.ToString());
//Create a DigitalEnvelope object using the dropdown box selection, the SymmetricAlgorithmWrapper object and the RSAWrapper object.
DigitalEnvelope digitalEnvelope = new DigitalEnvelope(symmetricAlgorithmType, envelopeRsaAlgorithm, DCInputTextBox.Text);
//Decrypt the envelope.
DigitalEnvelopeEncrypted result = digitalEnvelope.CreateEnvelope();
//Create a HashAlgorithmName object using the dropdown box selection.
HashAlgorithmName hashAlgorithmName = HelperExtensions.StringToHashAlgorithm(DCSignatureHashDropdown.SelectedItem.ToString());
//Create a RSAWrapper object using the dropdown box selection and the HashAlgorithmName object.
RSAWrapper rsaAlgorithm = new RSAWrapper(DCSignatureRsaDropdown.SelectedItem.ToString(), hashAlgorithmName);
//Create a DigitalSignature object using the RSAWrapper object and the encrypted envelope data.
DigitalSignature digitalSignature = new DigitalSignature(rsaAlgorithm, result.EncryptedDataKeyPair());
//Create a signature for the encrypted envelope data.
digitalSignature.CreateSignature();
DCInputTextBlock.Text = "Certificate generated successfully!";
}
private string GetRegisterResponse(Register registerMessage, byte[] AESKey)
{
var response = AESWrapper.BytesToString(AESKey);
var encryptedResponse = RSAWrapper.Encryption(response, registerMessage.Modulus, registerMessage.Exponent);
return(encryptedResponse);
}
//Generate a signature.
private void DSGenerateButton_Click(object sender, RoutedEventArgs e)
{
//Create a HashAlgorithmName object using the dropdown box selection.
HashAlgorithmName hashAlgorithmName = HelperExtensions.StringToHashAlgorithm(DEHashDropdown.SelectedItem.ToString());
//Create a RSAWrapper object using the dropdown box selection and the HashAlgorithmName object.
RSAWrapper rsaAlgorithm = new RSAWrapper(DSRsaDropdown.SelectedItem.ToString(), hashAlgorithmName);
//Create a DigitalSignature object using the dropdown box selection and the RSAWrapper object.
DigitalSignature digitalSignature = new DigitalSignature(rsaAlgorithm, DSInputTextBox.Text);
digitalSignature.CreateSignature();
DSInputTextBlock.Text = "Signature generated successfully!";
}
//Generate a digital envelope.
private void DEGenerateButton_Click(object sender, RoutedEventArgs e)
{
//Create a CipherMode object using the dropdown box selection.
CipherMode cipherMode = HelperExtensions.StringToCipherMode(DESymTypeDropdown.SelectedItem.ToString());
//Create a SymmetricAlgorithmWrapper object using the dropdown box selections and the CipherMode object.
SymmetricAlgorithmWrapper symmetricAlgorithmType = HelperExtensions.StringToSymAlg(DESymDropdown.SelectedItem.ToString(), cipherMode, DESymTypeDropdown.SelectedItem.ToString());
//Create a RSAWrapper object using the dropdown box selection.
RSAWrapper rsaAlgorithm = new RSAWrapper(DERsaDropdown.SelectedItem.ToString());
DigitalEnvelope digitalEnvelope = new DigitalEnvelope(symmetricAlgorithmType, rsaAlgorithm, DEInputTextBox.Text);
digitalEnvelope.CreateEnvelope();
DEInputTextBlock.Text = "Envelope generated successfully!";
}
public static string Decrypt(this string cipherText)
{
return(RSAWrapper.Decrypt(cipherText, _certificate));
}
public static string Encrypt(this string plainText)
{
return(RSAWrapper.Encrypt(plainText, _certificate));
}
