BCNet.Utils.GenerateHash C# (CSharp) Method

        public static byte[] GenerateHash(byte[] data)
        {
            SHA256 sha = SHA256Managed.Create();
            byte[] hash1 = sha.ComputeHash(data);
            byte[] hash2 = sha.ComputeHash(hash1);

            return hash2;
        }

        public void ComputeHash(bool useScrypt)
        {
            MemoryStream ms = new MemoryStream();
            BinaryWriter bw = new BinaryWriter(ms);

            bw.Write(mVersion);
            bw.Write(mPrevBlock);
            bw.Write(mMerkleRoot);
            bw.Write(mTimestamp);
            bw.Write(mDifficultyBits);
            bw.Write(mNOnce);
            byte[] data = ms.ToArray();
            bw.Close();

            if (useScrypt)
            {
                MinerLib_cs.Work work = new MinerLib_cs.Work();
                Buffer.BlockCopy(data, 0, work.data, 0, 80);
                for (int i = 0; i < 20; i++)
                {
                    work.data[i] = Utils.Byteswap(work.data[i]);
                }

                MinerLib_cs.Scrypt scrypt = new MinerLib_cs.Scrypt(work);
                mHash = scrypt.GetHash();
            }
            else
            {
                // SHA 256
                mHash = Utils.GenerateHash(data);
            }
        }