GetCachedAlgorithmHandle()

static SafeAlgorithmHandle Internal.Cryptography.BCryptAeadHandleCache.GetCachedAlgorithmHandle ( ref SafeAlgorithmHandle handle, string algId, string chainingMode = null )

inlinestaticprivate

Definition at line 24 of file BCryptAeadHandleCache.cs.

    {
        SafeAlgorithmHandle safeAlgorithmHandle = Volatile.Read(ref handle);
        if (safeAlgorithmHandle != null)
        {
            return safeAlgorithmHandle;
        }
        SafeAlgorithmHandle safeAlgorithmHandle2 = Cng.BCryptOpenAlgorithmProvider(algId, null, Cng.OpenAlgorithmProviderFlags.NONE);
        if (chainingMode != null)
        {
            safeAlgorithmHandle2.SetCipherMode(chainingMode);
        }
        safeAlgorithmHandle = Interlocked.CompareExchange(ref handle, safeAlgorithmHandle2, null);
        if (safeAlgorithmHandle != null)
        {
            safeAlgorithmHandle2.Dispose();
            return safeAlgorithmHandle;
        }
        return safeAlgorithmHandle2;
    }

References Internal.NativeCrypto.Cng.BCryptOpenAlgorithmProvider(), System.Threading.Interlocked.CompareExchange(), System.Runtime.InteropServices.SafeHandle.Dispose(), System.handle, and System.Threading.Volatile.Read().