コード例 #1
0
        /// <summary>
        /// 输入并返回置换盒
        /// </summary>
        /// <returns></returns>
        static PSData[] InputPSData(int count)
        {
            List <PSData> result = new List <PSData>();

            int inpuLength, outputLength;

            for (int i = 0; i < count; i++)
            {
                string length = Console.ReadLine();
                string data   = Console.ReadLine();

                string[] lengths = length.Split(' ');
                inpuLength   = int.Parse(lengths[0]);
                outputLength = int.Parse(lengths[1]);

                string[] datas = data.Split(' ');
                int[]    temp  = new int[datas.Length];
                for (int j = 0; j < datas.Length; j++)
                {
                    temp[j] = int.Parse(datas[j]);
                }

                PSData pSData = new PSData()
                {
                    InputLength  = inpuLength,
                    OutputLength = outputLength,
                    Data         = temp
                };
                result.Add(pSData);
            }

            return(result.ToArray());
        }
コード例 #2
0
 /// <summary>
 /// 获取一个库存
 /// </summary>
 public PSData this[int index]
 {
     get
     {
         PSData result = null;
         if (index >= 0 && index < Count)
         {
             result = m_Storages[index];
         }
         return(result);
     }
 }
        protected override BitArray Calculate(int dataIndex, BitArray op)
        {
            // 从PS库中取出置换Data
            PSData   permute = Parser.PermuteSBoxStorage.Permute[dataIndex];
            BitArray result  = new BitArray(permute.OutputLength);

            for (int i = 0; i < permute.Data.Length; i++)
            {
                result[i] = op[permute.Data[i]];
            }
            return(result);
        }
コード例 #4
0
        protected override BitArray Calculate(int dataIndex, BitArray op)
        {
            PSData sBox = Parser.PermuteSBoxStorage.SBox[dataIndex];
            // 将op转为十进制
            int opInt     = Convert.ToInt32(BlockCipherUtil.BitArrayToString(op), 2);
            int resultInt = sBox.Data[opInt];
            // 将temp转为二进制字符串
            StringBuilder resultStr = new StringBuilder(Convert.ToString(resultInt, 2));

            for (int i = resultStr.Length; i < sBox.OutputLength; i++)
            {
                resultStr.Insert(0, "0");
            }
            BitArray result = BlockCipherUtil.StringToBitArray(resultStr.ToString());

            return(result);
        }