des\3des加解密.cpp和.h文件

#include "TC_DES.h" #include "TraceLog.h" #include "ComTools.h" #include <stack> #include <vector> #include <algorithm> #include<bitset> using namespace std; string m_subKey[16]; string m_binDigits[16] { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" }; char m_hexDigits[16] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; // P换位表 int C_P[8][4] = { { 16, 7, 20, 21 }, { 29, 12, 28, 17 }, { 1, 15, 23, 26 }, { 5, 18, 31, 10 }, { 2, 8, 24, 14 }, { 32, 27, 3, 9 }, { 19, 13, 30, 6 }, { 22, 11, 4, 25 } }; // PC1选位表 交换规则表，对各各位进行交换，生成16个子密钥 int C_PC_1[8][7] = { { 57, 49, 41, 33, 25, 17, 9 }, { 1, 58, 50, 42, 34, 26, 18 }, { 10, 2, 59, 51, 43, 35, 27 }, { 19, 11, 3, 60, 52, 44, 36 }, { 63, 55, 47, 39, 31, 23, 15 }, { 7, 62, 54, 46, 38, 30, 22 }, { 14, 6, 61, 53, 45, 37, 29 }, { 21, 13, 5, 28, 20, 12, 4 } }; // 左移位表 int C_LS[16] { 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 }; // PC2选位表 为一个8*6的矩阵，将C_PC_1后得到的16个子钥按照下表的规律进行位的交换 int C_PC_2[8][6] = { { 14, 17, 11, 24, 1, 5 }, { 3, 28, 15, 6, 21, 10 }, { 23, 19, 12, 4, 26, 8 }, { 16, 7, 27, 20, 13, 2 }, { 41, 52, 31, 37, 47, 55 }, { 30, 40, 51, 45, 33, 48 }, { 44, 49, 39, 56, 34, 53 }, { 46, 42, 50, 36, 29, 32 } }; // 置换IP表 对明文进行IP置换 int C_IP[8][8] = { { 58, 50, 42, 34, 26, 18, 10, 2 }, { 60, 52, 44, 36, 28, 20, 12, 4 }, { 62, 54, 46, 38, 30, 22, 14, 6 }, { 64, 56, 48, 40, 32, 24, 16, 8 }, { 57, 49, 41, 33, 25, 17, 9, 1 }, { 59, 51, 43, 35, 27, 19, 11, 3 }, { 61, 53, 45, 37, 29, 21, 13, 5 }, { 63, 55, 47, 39, 31, 23, 15, 7 } }; // 逆置换IP^-1表 int C_IP_1[8][8] = { { 40, 8, 48, 16, 56, 24, 64, 32 }, { 39, 7, 47, 15, 55, 23, 63, 31 }, { 38, 6, 46, 14, 54, 22, 62, 30 }, { 37, 5, 45, 13, 53, 21, 61, 29 }, { 36, 4, 44, 12, 52, 20, 60, 28 }, { 35, 3, 43, 11, 51, 19, 59, 27 }, { 34, 2, 42, 10, 50, 18, 58, 26 }, { 33, 1, 41, 9, 49, 17, 57, 25 } }; // 扩展置换表 int C_E[8][6] = { { 32, 1, 2, 3, 4, 5 }, { 4, 5, 6, 7, 8, 9 }, { 8, 9, 10, 11, 12, 13 }, { 12, 13, 14, 15, 16, 17 }, { 16, 17, 18, 19, 20, 21 }, { 20, 21, 22, 23, 24, 25 }, { 24, 25, 26, 27, 28, 29 }, { 28, 29, 30, 31, 32, 1 } }; // S盒 int C_S1[4][16] = { { 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7 }, { 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8 }, { 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0 }, { 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 } }; int C_S2[4][16] = { { 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10 }, { 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5 }, { 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15 }, { 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 } }; int C_S3[4][16] = { { 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8 }, { 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1 }, { 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7 }, { 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 } }; int C_S4[4][16] = { { 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15 }, { 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9 }, { 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4 }, { 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 } }; int C_S5[4][16] = { { 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9 }, { 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6 }, { 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14 }, { 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 } }; int C_S6[4][16] = { { 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11 }, { 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8 }, { 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6 }, { 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 } }; int C_S7[4][16] = { { 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1 }, { 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6 }, { 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2 }, { 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12 } }; int C_S8[4][16] = { { 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7 }, { 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2 }, { 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8 }, { 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11 } }; // DES加密是利用56+8奇偶校验位（第8,16,24,32,40,48,56,64）=64位的密钥对以64位为单位的块数据进行加解密 TC_DES::TC_DES() { } TC_DES::~TC_DES() { } //字符转二进制 string charToBinary(char c) { int i, b = c, k = 0, flag = 0; string result; if (b < 0) { b = -b; flag = 1; } while (k < 8) { if (b) { result += ((b % 2) + '0'); b /= 2; } else result += '0'; k++; } //汉字字符处理 if (flag) { for (i = 0; i < result.length(); i++) { if (result[i] == '0') result[i] = '1'; else result[i] = '0'; } for (i = 0; result[i] != '0'; i++) { result[i] = '0'; } result[i] = '1'; } reverse(result.begin(), result.end()); return result; } //二进制转整型 int binaryToInt(string s) { int i, result = 0, p = 1; for (i = s.length() - 1; i >= 0; i--) { result += ((s[i] - '0') * p); p *= 2; } return result; } //整型转二进制 string intToBinary(int i) { int k = 0; string result; while (k < 4) { if (i) { result += ((i % 2) + '0'); i /= 2; } else result += '0'; k++; } reverse(result.begin(), result.end()); return result; } //异或运算 string xorAB(string a, string b) { int i; string result; for (i = 0; i < a.length(); i++) { result += (((a[i] - '0') ^ (b[i] - '0')) + '0'); } return result; } string formatHexData(string data) { string empty = ""; string text = data; int length = text.size(); int num = length % 16; if (num > 0) { for (int i = 0; i < 16 - num; i++) { text += "0"; } } return text; } string formatHexKey(string key) { string empty = ""; string text = key; int length = text.size(); if (length > 16) { text = text.substr(0, 16); } else if (length < 16) { int num = length % 16; for (int i = 0; i < 16 - num; i++) { text = "0" + key; } } return text; } string Hex2Bin(string hex) { string text = ""; for (int i = 0; i < hex.size(); i++)