System.Security.Cryptography.SHA1Managed.Initialize C# (CSharp) Method

        public override sealed void Initialize()
        {
            // Nothing to do here. We expect HashAlgorithm to invoke HashFinal() and Initialize() as a pair. This reflects the
            // reality that our native crypto providers (e.g. CNG) expose hash finalization and object reinitialization as an atomic operation.
            return;
        }

        public WardenRandom(byte[] seed)
        {
            Data1 = new byte[0x14];
            Data2 = new byte[0x14];
            Data3 = new byte[0x14];

            int length1 = (int)seed.Length >> 1;
            int length2 = seed.Length - length1;

            byte[] seed1 = new byte[length1];
            byte[] seed2 = new byte[length2];

            for (int i = 0; i < length1; i++)
                seed1[i] = seed[i];
            for (int i = 0; i < length2; i++)
                seed2[i] = seed[i + length1];

            SHA1 sha = new SHA1Managed();
            Data2 = sha.ComputeHash(seed1);
            Data3 = sha.ComputeHash(seed2);

            sha.Initialize();
            sha.TransformBlock(Data2, 0, Data2.Length, Data2, 0);
            sha.TransformBlock(Data1, 0, Data1.Length, Data1, 0);
            sha.TransformFinalBlock(Data3, 0, Data3.Length);

            Data1 = sha.Hash;

            sha.Initialize();
        }