CASCExplorer.Jenkins96.HashCore C# (CSharp) Method

        protected unsafe override void HashCore(byte[] array, int ibStart, int cbSize)
        {
            uint length = (uint)array.Length;
            uint a = 0xdeadbeef + length;
            uint b = a;
            uint c = a;

            if (length == 0)
            {
                hashValue = ((ulong)c << 32) | b;
                return;
            }

            var newLen = (length + (12 - length % 12) % 12);

            if (length != newLen)
            {
                Array.Resize(ref array, (int)newLen);
                length = newLen;
            }

            fixed (byte* bb = array)
            {
                uint* u = (uint*)bb;

                for (var j = 0; j < length - 12; j += 12)
                {
                    a += *(u + j / 4);
                    b += *(u + j / 4 + 1);
                    c += *(u + j / 4 + 2);

                    a -= c; a ^= rot(c, 4); c += b;
                    b -= a; b ^= rot(a, 6); a += c;
                    c -= b; c ^= rot(b, 8); b += a;
                    a -= c; a ^= rot(c, 16); c += b;
                    b -= a; b ^= rot(a, 19); a += c;
                    c -= b; c ^= rot(b, 4); b += a;
                }

                var i = length - 12;
                a += *(u + i / 4);
                b += *(u + i / 4 + 1);
                c += *(u + i / 4 + 2);

                c ^= b; c -= rot(b, 14);
                a ^= c; a -= rot(c, 11);
                b ^= a; b -= rot(a, 25);
                c ^= b; c -= rot(b, 16);
                a ^= c; a -= rot(c, 4);
                b ^= a; b -= rot(a, 14);
                c ^= b; c -= rot(b, 24);

                hashValue = ((ulong)c << 32) | b;
            }
        }