unitkeys.h

单钥密码算法 AES DES IDEA LZW RC5

//---------------------------------------------------------------------------

#ifndef UnitKeysH
#define UnitKeysH
//---------------------------------------------------------------------------

unsigned int GetRandKey();   //生成一字节随机密钥
void Encrypt(const char *Src, char *Dest);    //加密过程
void DeEncrypt(const char *Src, char *Dest);    //解密过程
void DES(const char *Src, char *Dest, bool flag);    //DES算法
void BytesToBits(const char* S, char *bits, int len);   //字节子密钥转成64字节数数形式
void BitsToBytes(char* S, const char *bits, int len);   //64字节数数形式转成字节子密钥
void Transform(const char *Table, char *In, char *Out, int len);   //应用置换
void RotateL(char *In, char *Out, int len, int loop);   //循环左移Loop位
void MakeSubKey(char* In);   //生成16个子密钥
void Xor(char *InA, const char *InB, int len);   //异或
void F_func(char *In, char *Out, const char *Ki);   //F加密函数
void S_func(char *Out, const char *In);   //S-BOX转换
void GenIPTable();   //随机生成IP表及相应的逆表IPR表
bool SetIPTable(const char* In);   //用指定的数组设定IP表


//置换表1
const static char PC1_Table[56] = {
	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
};

//置换表2
const static char PC2_Table[48] = {
	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
};

//初始置换表
static char IP_Table[64] = {
	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
};

//最终置换表
static char IPR_Table[64] = {
	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
};

//32位扩展到48位置换表
static const char E_Table[48] = {
	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-BOX输出置换表
const static char P_Table[32] = {
	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
};

//每一轮中左移的次数
const static char LOOP_Table[16] = {
	1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1
};

//S-boxes
const static char S_Box[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
};

const static char KeyTable[16][48] = {
10,51,34,60,49,17, 33,57, 2, 9,19,42,  3,35,26,25,44,58, 59, 1,36,27,18,41, 22,28,39,54,37, 4, 47,30, 5,53,23,29, 61,21,38,63,15,20, 45,14,13,62,55,31,
 2,43,26,52,41, 9, 25,49,59, 1,11,34, 60,27,18,17,36,50, 51,58,57,19,10,33, 14,20,31,46,29,63, 39,22,28,45,15,21, 53,13,30,55, 7,12, 37, 6, 5,54,47,23,
51,27,10,36,25,58,  9,33,43,50,60,18, 44,11, 2, 1,49,34, 35,42,41, 3,59,17, 61, 4,15,30,13,47, 23, 6,12,29,62, 5, 37,28,14,39,54,63, 21,53,20,38,31, 7,
35,11,59,49, 9,42, 58,17,27,34,44, 2, 57,60,51,50,33,18, 19,26,25,52,43, 1, 45,55,62,14,28,31,  7,53,63,13,46,20, 21,12,61,23,38,47,  5,37, 4,22,15,54,
19,60,43,33,58,26, 42, 1,11,18,57,51, 41,44,35,34,17, 2,  3,10, 9,36,27,50, 29,39,46,61,12,15, 54,37,47,28,30, 4,  5,63,45, 7,22,31, 20,21,55, 6,62,38,
 3,44,27,17,42,10, 26,50,60, 2,41,35, 25,57,19,18, 1,51, 52,59,58,49,11,34, 13,23,30,45,63,62, 38,21,31,12,14,55, 20,47,29,54, 6,15,  4, 5,39,53,46,22,
52,57,11, 1,26,59, 10,34,44,51,25,19,  9,41, 3, 2,50,35, 36,43,42,33,60,18, 28, 7,14,29,47,46, 22, 5,15,63,61,39,  4,31,13,38,53,62, 55,20,23,37,30, 6,
36,41,60,50,10,43, 59,18,57,35, 9, 3, 58,25,52,51,34,19, 49,27,26,17,44, 2, 12,54,61,13,31,30,  6,20,62,47,45,23, 55,15,28,22,37,46, 39, 4, 7,21,14,53,
57,33,52,42, 2,35, 51,10,49,27, 1,60, 50,17,44,43,26,11, 41,19,18, 9,36,59,  4,46,53, 5,23,22, 61,12,54,39,37,15, 47, 7,20,14,29,38, 31,63,62,13, 6,45,
41,17,36,26,51,19, 35,59,33,11,50,44, 34, 1,57,27,10,60, 25, 3, 2,58,49,43, 55,30,37,20, 7, 6, 45,63,38,23,21,62, 31,54, 4,61,13,22, 15,47,46,28,53,29,
25, 1,49,10,35, 3, 19,43,17,60,34,57, 18,50,41,11,59,44,  9,52,51,42,33,27, 39,14,21, 4,54,53, 29,47,22, 7, 5,46, 15,38,55,45,28, 6, 62,31,30,12,37,13,
 9,50,33,59,19,52,  3,27, 1,44,18,41,  2,34,25,60,43,57, 58,36,35,26,17,11, 23,61, 5,55,38,37, 13,31, 6,54,20,30, 62,22,39,29,12,53, 46,15,14,63,21,28,   //12
58,34,17,43, 3,36, 52,11,50,57, 2,25, 51,18, 9,44,27,41, 42,49,19,10, 1,60,  7,45,20,39,22,21, 28,15,53,38, 4,14, 46, 6,23,13,63,37, 30,62,61,47, 5,12,
42,18, 1,27,52,49, 36,60,34,41,51, 9, 35, 2,58,57,11,25, 26,33, 3,59,50,44, 54,29, 4,23, 6, 5, 12,62,37,22,55,61, 30,53, 7,28,47,21, 14,46,45,31,20,63,
26, 2,50,11,36,33, 49,44,18,25,35,58, 19,51,42,41,60, 9, 10,17,52,43,34,57, 38,13,55, 7,53,20, 63,46,21, 6,39,45, 14,37,54,12,31, 5, 61,30,29,15, 4,47,
18,59,42, 3,57,25, 41,36,10,17,27,50, 11,43,34,33,52, 1,  2, 9,44,35,26,49, 30, 5,47,62,45,12, 55,38,13,61,31,37,  6,29,46, 4,23,28, 53,22,21, 7,63,39
};

static char Tmp[256], SubKeys[16][49], CD[17][57], LR[17][65], dest[65], DesLoop=16;

#endif