GetCachedBCryptAlgorithmHandle() [2/2]

static Microsoft.Win32.SafeHandles.SafeBCryptAlgorithmHandle Interop.BCrypt.BCryptAlgorithmCache.GetCachedBCryptAlgorithmHandle ( string hashAlgorithmId, BCryptOpenAlgorithmProviderFlags flags, out int hashSizeInBytes )

inlinestatic

Definition at line 278 of file Interop.cs.

            {
                Entry[] array = _cache;
                Entry[] array2 = array;
                for (int i = 0; i < array2.Length; i++)
                {
                    Entry entry = array2[i];
                    if (entry.HashAlgorithmId == hashAlgorithmId && entry.Flags == flags)
                    {
                        hashSizeInBytes = entry.HashSizeInBytes;
                        return entry.Handle;
                    }
                }
                Microsoft.Win32.SafeHandles.SafeBCryptAlgorithmHandle phAlgorithm;
                NTSTATUS nTSTATUS = BCryptOpenAlgorithmProvider(out phAlgorithm, hashAlgorithmId, null, flags);
                if (nTSTATUS != 0)
                {
                    throw CreateCryptographicException(nTSTATUS);
                }
                Array.Resize(ref array, array.Length + 1);
                Entry entry2 = new Entry(hashAlgorithmId, flags, phAlgorithm);
                array[^1] = new Entry(hashAlgorithmId, flags, phAlgorithm);
                _cache = array;
                hashSizeInBytes = entry2.HashSizeInBytes;
                return entry2.Handle;
            }

References Interop.BCrypt.BCryptAlgorithmCache._cache, System.array, Interop.BCrypt.BCryptOpenAlgorithmProvider(), and Interop.BCrypt.CreateCryptographicException().