Repository navigation
Expand file tree
/
Copy pathdes.h
More file actions
141 lines (130 loc) · 6.43 KB
/
Copy pathdes.h
File metadata and controls
141 lines (130 loc) · 6.43 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
// des.h
//
#include "stdio.h"
#include "memory.h"
#include "stdlib.h"
#define PLAIN_FILE_OPEN_ERROR -1
#define KEY_FILE_OPEN_ERROR -2
#define CIPHER_FILE_OPEN_ERROR -3
#define DES_OK 1
#define BUFFER_SIZE 1024
#define ROUND 16//迭代次数，16次以上破解时只能使用穷举法
typedef char ElemType;
int ByteToBit(ElemType ch,ElemType bit[8]);//字节转换成二进制
int BitToByte(ElemType bit[8],ElemType *ch);//二进制转换成字节
int Char8ToBit64(ElemType ch[8],ElemType bit[64]);//将长度为8的字符串转为二进制位串
int Bit64ToChar8(ElemType bit[64],ElemType ch[8]);//将二进制位串转为长度为8的字符串
int DES_MakeSubKeys(ElemType key[64],ElemType subKeys[16][48]);//生成子密钥
int DES_PC1_Transform(ElemType key[64], ElemType tempbts[56]);//密钥置换1
int DES_PC2_Transform(ElemType key[56], ElemType tempbts[48]);//密钥置换2
int DES_ROL(ElemType data[56], int time);//循环左移
int DES_IP_Transform(ElemType data[64]);//IP置换
int DES_IP_1_Transform(ElemType data[64]);//IP逆置换
int DES_E_Transform(ElemType data[48]);//扩展置换
int DES_P_Transform(ElemType data[32]);//P置换
int DES_SBOX(ElemType data[48]);//S盒置换
int DES_XOR(ElemType R[48], ElemType L[48],int count);//异或
int DES_Swap(ElemType left[32],ElemType right[32]);//交换
int DES_EncryptBlock(ElemType plainBlock[8], ElemType subKeys[16][48], ElemType cipherBlock[8]);//加密单个分组
int DES_DecryptBlock(ElemType cipherBlock[8], ElemType subKeys[16][48], ElemType plainBlock[8]);//解密单个分组
//DES算法
int DES_Encrypt(ElemType *plainBuffer, ElemType *keyBuffer, ElemType *cipherBuffer, int n);//加密数据
int DES_Decrypt(ElemType *cipherBuffer, ElemType *keyBuffer, ElemType *plainBuffer, int n);//解密数据
int DES_Encrypt_File(char *plainFile, char *keyStr,char *cipherFile);//加密文件
int DES_Decrypt_File(char *cipherFile, char *keyStr,char *plainFile);//解密文件
//3DES算法
int D3DES_Encrypt(ElemType *plainBuffer, ElemType *keyBuffer, ElemType *cipherBuffer, int n);//加密数据
int D3DES_Decrypt(ElemType *cipherBuffer, ElemType *keyBuffer, ElemType *plainBuffer, int n);//解密数据
int D3DES_Encrypt_File(char *plainFile, char *keyStr,char *cipherFile);//加密文件
int D3DES_Decrypt_File(char *cipherFile, char *keyStr,char *plainFile);//解密文件
//初始置换表IP
static int IP_Table[64] = { 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,
56,48,40,32,24,16,8,0,
58,50,42,34,26,18,10,2,
60,52,44,36,28,20,12,4,
62,54,46,38,30,22,14,6};
//逆初始置换表IP^-1
static int IP_1_Table[64] = {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,
32,0,40,8,48,16,56,24};
//扩充置换表E
static int E_Table[48] = {31, 0, 1, 2, 3, 4,
3, 4, 5, 6, 7, 8,
7, 8,9,10,11,12,
11,12,13,14,15,16,
15,16,17,18,19,20,
19,20,21,22,23,24,
23,24,25,26,27,28,
27,28,29,30,31, 0};
//置换函数P
static int P_Table[32] = {15,6,19,20,28,11,27,16,
0,14,22,25,4,17,30,9,
1,7,23,13,31,26,2,8,
18,12,29,5,21,10,3,24};
//S盒
static int S[8][4][16] =//S1
{{{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}},
//S2
{{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}},
//S3
{{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}},
//S4
{{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}},
//S5
{{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}},
//S6
{{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}},
//S7
{{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}},
//S8
{{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}}};
//置换选择1
static int PC_1[56] = {56,48,40,32,24,16,8,
0,57,49,41,33,25,17,
9,1,58,50,42,34,26,
18,10,2,59,51,43,35,
62,54,46,38,30,22,14,
6,61,53,45,37,29,21,
13,5,60,52,44,36,28,
20,12,4,27,19,11,3};
//置换选择2
static int PC_2[48] = {13,16,10,23,0,4,2,27,
14,5,20,9,22,18,11,3,
25,7,15,6,26,19,12,1,
40,51,30,36,46,54,29,39,
50,44,32,46,43,48,38,55,
33,52,45,41,49,35,28,31};
//左移次数规定
static int MOVE_TIMES[16] = {1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1};