des.cpp

这个是集合几种关于硬盘的序列号的获取方式的DLL

/*///////////////////////////////////////////////////////////////////////////
// DES.cpp   DES算法声明及实现，标准C++版本
// CopyRight(C)   1996,2008   TCSY 公司
// Pentium Working Room   ShanChengKun   2003.08.28   更新
///////////////////////////////////////////////////////////////////////////*/

#include "stdafx.h"

#define ENCRYPT   1   // 编码&加密
#define DECRYPT   2   // 解码&解密

#ifndef BYTE
typedef unsigned char BYTE;
#endif

/*** 常量定义 **************************************************************/

// 初始置换
static const unsigned char IP[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
};

// 末置换
static const unsigned char IPinv[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
};

// 扩展置换
static const unsigned char E[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盒代替1
static const unsigned char S1[64] =
{
	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
};

// S盒代替2
static const unsigned char S2[64] =
{
	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
};

// S盒代替3
static const unsigned char S3[64] =
{
	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
};

// S盒代替4
static const unsigned char S4[64] =
{
	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
};

// S盒代替5
static const unsigned char S5[64] =
{
	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
};

// S盒代替6
static const unsigned char S6[64] =
{
	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
};

// S盒代替7
static const unsigned char S7[64] =
{
	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
};

// S盒代替8
static const unsigned char S8[64] =
{
	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
};

// P盒置换
static const unsigned char P[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
};

// 密钥置换
static const unsigned char PC1[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
};

// 压缩置换
static const unsigned char PC2[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
};

// 每轮移动的位数
static const unsigned char LS[17] =
{
	0,1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1
};

static unsigned char Ki[1000];

/*** 算法变换函数 **********************************************************/

static void Init_bit_tab(BYTE *dest, const BYTE *source, BYTE n)
{
	register BYTE masque, i, j;

	for(i=0; i<n; i++) 
	{
		masque = 0x80;
		for(j=0; j<8; j++) 
		{
			dest[8*i+j] = (source[i] & masque) >> (7-j);
			masque >>= 1;
		}
	}
}

static BYTE puissance(BYTE puissance)
{
	register BYTE res = 1, i;

	for(i=1; i<=puissance; i++) 
		res *= 2;

	return(res);
}

static void Bin_to_Hex(BYTE *vect, const BYTE *source)
{
	register BYTE i, j, masque;

	memset(vect, 0, 8);
	for(i=0; i<8; i++) 
	{
		masque = 7;
		for(j=0; j<8; j++) 
		{
			vect[i] += (puissance(masque)) * source[i * 8 + j];
			--masque;
		}
	}
}

static void Vect_Permutation(BYTE *vect, BYTE n_vect, const BYTE *regle, BYTE n_regle)
{
	register BYTE buff[65], i;

	memset(buff, 0, 65);
	memcpy(buff, vect, n_vect);

	for(i=0; i<n_regle; i++) 
		vect[i] = buff[regle[i] - 1];
}

static void Init_4bit_tab(BYTE *dest, const BYTE *source)
{
	register BYTE masque, i;

	masque = 0x08;
	for(i=0; i<4; i++) 
	{
		dest[i] = (*source & masque) >> (3 - i);
		masque >>= 1;
	}
}

static void S_Box_Calc(BYTE *vect)
{
	const BYTE *S_Box[8];
	register unsigned lig, col, i;

	S_Box[0] = S1;
	S_Box[1] = S2;
	S_Box[2] = S3;
	S_Box[3] = S4;
	S_Box[4] = S5;
	S_Box[5] = S6;
	S_Box[6] = S7;
	S_Box[7] = S8;

	for(i=0; i<8; i++) 
	{
		col = 8*vect[1+6*i] + 4*vect[2+6*i] + 2*vect[3+6*i] + vect[4+6*i];
		lig = 2*vect[6*i] + vect[5+6*i];
		Init_4bit_tab(&vect[4*i], &S_Box[i][col+lig*16]);
	}
}

static void Xor(BYTE *vect1, BYTE * vect2, BYTE num_byte)
{
	register BYTE i;

	for(i=0; i<num_byte; i++) 
		vect1[i] ^= vect2[i];
}

static void Left_shifts(BYTE *vect, BYTE n)
{
	register BYTE i, tmp_vect28, tmp_vect0;

	for(i=0; i<n; i++) 
	{
		tmp_vect0 = vect[0];
		memcpy(vect, &vect[1], 27);
		vect[27] = tmp_vect0;

		tmp_vect28 = vect[28];
		memcpy(&vect[28], &vect[29], 27);
		vect[55] = tmp_vect28;
	}
}

static void Calcul_sous_cles(const BYTE *DESKEY)
{
	register BYTE i;
	BYTE Kb[65], inter_key[57];

	Init_bit_tab(&Kb[1], DESKEY, 8);
	Vect_Permutation(&Kb[1], 64, PC1, 56);

	for(i=1; i<=16; i++) 
	{
		Left_shifts(&Kb[1], LS[i]);
		memcpy(&inter_key[1], &Kb[1], 56);
		Vect_Permutation(&inter_key[1], 56, PC2, 48);
		memcpy(&Ki[i*49+1], &inter_key[1], 48);
	}
}

/*===========================================================================
= 函数名称: SckDesD88(BYTE style, const BYTE *src, const BYTE *key, BYTE *dec)
= 应用功能: 针对 "8个字节数据" 的算法综合函数，含 "双8字节" 加/解密(编/解码)功能
= 原始创建: ShanChengKun.PentiumWorkingRoom 2003.07.12
= ---------------------------------------------------------------------------
=   0. 编码/加密：针对8个字节原文，64位的密钥(8个字节)，生成8个字节密文
=   1. 解码/解密：针对8个字节密文，64位的密钥(8个字节)，生成8个字节原文
===========================================================================*/

// 加/解密八字节数据，采用八字节密钥
void function_des(BYTE cryp_decrypt, const BYTE *DES_DATA,
				  const BYTE *DESKEY, BYTE *DES_RESULT)
{
	BYTE right32_bit[32], i;
	BYTE Data_B[81];

	Init_bit_tab(&Data_B[1], DES_DATA, 8);
	Vect_Permutation(&Data_B[1], 64, IP, 64);

	Calcul_sous_cles(DESKEY);

	for(i=1; i<=15; i++) 
	{
		memcpy(right32_bit, &Data_B[33], 32);
		Vect_Permutation(&Data_B[33], 32, E, 48);

		switch(cryp_decrypt) 
		{
		case ENCRYPT:
			Xor(&Data_B[33], &Ki[i*49+1], 48);
			break;
		case DECRYPT:
			Xor(&Data_B[33], &Ki[(17-i)*49+1], 48);
			break;
		}

		S_Box_Calc(&Data_B[33]);
		Vect_Permutation(&Data_B[33], 32, P, 32);
		Xor(&Data_B[33], &Data_B[1], 32);
		memcpy(&Data_B[1], right32_bit, 32);
	}

	memcpy(right32_bit, &Data_B[33], 32);
	Vect_Permutation(&Data_B[33], 32, E, 48);

	if(cryp_decrypt==ENCRYPT)
		Xor(&Data_B[33], &Ki[16*49+1], 48);
	else
		Xor(&Data_B[33], &Ki[50], 48);

	S_Box_Calc(&Data_B[33]);
	Vect_Permutation(&Data_B[33], 32, P, 32);
	Xor(&Data_B[1], &Data_B[33], 32);
	memcpy(&Data_B[33], right32_bit, 32);
	Vect_Permutation(&Data_B[1], 64, IPinv, 64);

	Bin_to_Hex(DES_RESULT, &Data_B[1]);
}

// 安全封装：加/解密八字节数据，采用八字节密钥
BOOL SckDesD88(BYTE style, const BYTE *src, const BYTE *key, BYTE *dec)
{
	if(!src || !key || !dec) return FALSE;
	function_des(style == 0 ? ENCRYPT : DECRYPT, src, key, dec);
	return TRUE;
}

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

// 加/解密指定字节长度的数据，采用八字节密钥，多出的%8余字节不与处理
BOOL SckDesBin(BYTE bStyle, BYTE *byData, DWORD dwLength, const BYTE *byKeys)
{
	if(!byData || dwLength < 8L || !byKeys) return FALSE;
	BYTE bySrc[10], *pCurrPos = byData;
	register DWORD dwStopPos = dwLength / 8L;
	for(register DWORD i=0L; i<dwStopPos; i++)
	{
		memcpy(bySrc, pCurrPos, 8);
		function_des(bStyle == 0 ? ENCRYPT : DECRYPT, bySrc, byKeys, pCurrPos);
		pCurrPos += 8L;
	}
	return TRUE; // 多出的小于8个字节部份是不与编码/加密的
}

// 动态链钥：加/解密指定字节长度的数据，采用八字节密钥，多出的%8余字节不与处理
BOOL ZnnDesBin(BYTE bStyle, BYTE *byData, DWORD dwLength, const BYTE *byKeys)
{
	if(!byData || dwLength < 8L || !byKeys) return FALSE;
	BYTE bySrc[10], byKey[10], *pCurrPos = byData;
	memcpy(byKey, byKeys, 8);
	register DWORD dwStopPos = dwLength / 8L;
	for(register DWORD i=0L; i<dwStopPos; i++)
	{
		*((DWORD *)byKey) |= ((i + 2) << 1);
		*((DWORD *)(byKey + 4)) |= ((i + 1) << 2);

		memcpy(bySrc, pCurrPos, 8);
		function_des(bStyle == 0 ? ENCRYPT : DECRYPT, bySrc, byKey, pCurrPos);
		memcpy(byKey, (bStyle == 0) ? pCurrPos : bySrc, 8);
		pCurrPos += 8L;
	}
	return TRUE; // 多出的小于8个字节部份是不与编码/加密的
}

/////////////////////////////////////////////////////////////////////////////
// The End Of The "DES.cpp" File.