/// <summary>
/// <para>Decrypts cipher text using DPAPI.</para>
/// </summary>
/// <param name="cipherText"><para>The cipher text for which you want to decrypt.</para></param>
/// <returns><para>The resulting plain text.</para></returns>
/// <seealso cref="ISymmetricCryptoProvider.Decrypt"/>
public byte[] Decrypt(byte[] cipherText)
{
DpapiSymmetricCryptoProviderData data = GetDpapiSymmetricCryptoProviderDataFromCursor();
byte[] result = DpapiCrypto.Decrypt(cipherText, data.DataProtectionMode.Entropy);
SecurityCryptoSymmetricDecryptionEvent.Fire(string.Empty);
return(result);
}
/// <summary>
/// Decrypts a secret using the configured <c>SymmetricAlgorithm</c>.
/// <seealso cref="ISymmetricCryptoProvider.Decrypt"/>
/// </summary>
/// <param name="ciphertext"><para>The cipher text for which you want to decrypt.</para></param>
/// <returns><para>The resulting plain text.</para></returns>
/// <seealso cref="ISymmetricCryptoProvider.Decrypt"/>
public byte[] Decrypt(byte[] ciphertext)
{
ArgumentValidation.CheckForNullReference(ciphertext, "encryptedText");
ArgumentValidation.CheckForZeroBytes(ciphertext, "encryptedText");
byte[] output = null;
SymmetricAlgorithmProviderData data = GetSymmetricAlgorithmProviderDataFromCursor();
SymmetricCryptographer crypto = new SymmetricCryptographer(data.AlgorithmType, data.Key);
output = crypto.Decrypt(ciphertext);
SecurityCryptoSymmetricDecryptionEvent.Fire(string.Empty);
return(output);
}
private void FireSecuritySymmetricDecryptionEvent()
{
SecurityCryptoSymmetricDecryptionEvent.Fire(testMessage);
}
private void FireSecurityCryptoSymmetricDecryptionEvent()
{
SecurityCryptoSymmetricDecryptionEvent.Fire("test");
}