BattleNET.CRC32.InitializeTable C# (CSharp) Метод

        private static UInt32[] InitializeTable(UInt32 polynomial)
        {
            if (polynomial == DefaultPolynomial && _defaultTable != null)
                return _defaultTable;

            var createTable = new UInt32[256];
            for (int i = 0; i < 256; i++)
            {
                var entry = (UInt32) i;
                for (int j = 0; j < 8; j++)
                    if ((entry & 1) == 1)
                        entry = (entry >> 1) ^ polynomial;
                    else
                        entry = entry >> 1;
                createTable[i] = entry;
            }

            if (polynomial == DefaultPolynomial)
                _defaultTable = createTable;

            return createTable;
        }