AniDBmini.HashAlgorithms.Ed2k.HashFinal C# (CSharp) Method

        protected override byte[] HashFinal()
        {
            blueIsRed = false;
            redHash = null;
            blueHash = null;

            if (md4HashBlocks.Count == 0)
            {
                md4.TransformFinalBlock(nullArray, 0, 0);
                blueHash = md4.Hash;
            }
            else if (md4HashBlocks.Count == 1 && missing == BLOCKSIZE)
            {
                blueHash = md4HashBlocks[0];

                md4.TransformBlock(md4HashBlocks[0], 0, 16, null, 0);
                md4.TransformFinalBlock(md4.ComputeHash(nullArray), 0, 16);
                redHash = md4.Hash;

            }
            else
            {
                if (missing != BLOCKSIZE)
                {
                    md4.TransformFinalBlock(nullArray, 0, 0);
                    md4HashBlocks.Add(md4.Hash);
                }

                md4.Initialize();
                foreach (var md4HashBlock in md4HashBlocks) md4.TransformBlock(md4HashBlock, 0, 16, null, 0);
                var state = md4.GetState();

                md4.TransformFinalBlock(nullArray, 0, 0);
                blueHash = md4.Hash;

                if (missing == BLOCKSIZE)
                {
                    md4.Initialize(state);
                    md4.TransformFinalBlock(nullMd4Hash, 0, 16);
                    redHash = md4.Hash;
                }
            }

            FileHashingProgress(this, new FileHashingProgressArgs(totalBytesRead, size));

            if (redHash == null) blueIsRed = true;
            return redHash == null ? blueHash : redHash;
        }