Open3DesAlgorithm() [2/2]

static Lazy< Internal.NativeCrypto.SafeAlgorithmHandle > Internal.Cryptography.TripleDesBCryptModes.Open3DesAlgorithm ( string cipherMode, int feedback = 0 )

inlinestaticprivate

Definition at line 38 of file TripleDesBCryptModes.cs.

    {
        return new Lazy<Internal.NativeCrypto.SafeAlgorithmHandle>(delegate
        {
            Internal.NativeCrypto.SafeAlgorithmHandle safeAlgorithmHandle = Internal.NativeCrypto.Cng.BCryptOpenAlgorithmProvider("3DES", null, Internal.NativeCrypto.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.