OpenAesAlgorithm() [1/2]

static Lazy< SafeAlgorithmHandle > Internal.Cryptography.AesBCryptModes.OpenAesAlgorithm ( string cipherMode, int feedback = 0 )

inlinestaticpackage

Definition at line 38 of file AesBCryptModes.cs.

    {
        return new Lazy<SafeAlgorithmHandle>(delegate
        {
            SafeAlgorithmHandle safeAlgorithmHandle = Cng.BCryptOpenAlgorithmProvider("AES", null, Cng.OpenAlgorithmProviderFlags.NONE);
            safeAlgorithmHandle.SetCipherMode(cipherMode);
            if (feedback > 0 && feedback != 1)
            {
                try
                {
                    safeAlgorithmHandle.SetFeedbackSize(feedback);
                }
                catch (CryptographicException inner)
                {
                    throw new CryptographicException(System.SR.Cryptography_FeedbackSizeNotSupported, inner);
                }
            }
            return safeAlgorithmHandle;
        });
    }

References Internal.NativeCrypto.Cng.BCryptOpenAlgorithmProvider(), and System.SR.Cryptography_FeedbackSizeNotSupported.