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📄 d3des.cpp

📁 3DES数据加密类的实现
💻 CPP
📖 第 1 页 / 共 2 页
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#include "stdafx.h"
#include "d3des.h"

void cyph::initiall()
{
	unsigned long KnL[32] = {0L};
	unsigned long KnR[32] = {0L};
	unsigned long Kn3[32] = {0L};
	//***********************************************************************
	unsigned char	Df_Key[24] ={
		    0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
			0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
			0x89,0xab,0xcd,0xef,0x01,0x23,0x45,0x67
	};
//****************************************************************************
unsigned char pc1[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 
};	
unsigned short	bytebit[8] = {
	0200, 0100, 040, 020, 010, 04, 02, 01 
};
unsigned char	totrot[16] = {
	1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28
};				
unsigned char pc2[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, 47,
		43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31 
};	
unsigned long bigbyte[24] = {
     	0x800000L,	0x400000L,	0x200000L,	0x100000L,
		0x80000L,	0x40000L,	0x20000L,	0x10000L,
		0x8000L,	0x4000L,	0x2000L,	0x1000L,
		0x800L, 	0x400L, 	0x200L, 	0x100L,
		0x80L,		0x40L,		0x20L,		0x10L,
		0x8L,		0x4L,		0x2L,		0x1L	
};
//*********************************************************************************************
unsigned long	SP1[64] = {
		0x01010400L, 0x00000000L, 0x00010000L, 0x01010404L,
		0x01010004L, 0x00010404L, 0x00000004L, 0x00010000L,
		0x00000400L, 0x01010400L, 0x01010404L, 0x00000400L,
		0x01000404L, 0x01010004L, 0x01000000L, 0x00000004L,
		0x00000404L, 0x01000400L, 0x01000400L, 0x00010400L,
		0x00010400L, 0x01010000L, 0x01010000L, 0x01000404L,
		0x00010004L, 0x01000004L, 0x01000004L, 0x00010004L,
		0x00000000L, 0x00000404L, 0x00010404L, 0x01000000L,
		0x00010000L, 0x01010404L, 0x00000004L, 0x01010000L,
		0x01010400L, 0x01000000L, 0x01000000L, 0x00000400L,
		0x01010004L, 0x00010000L, 0x00010400L, 0x01000004L,
		0x00000400L, 0x00000004L, 0x01000404L, 0x00010404L,
		0x01010404L, 0x00010004L, 0x01010000L, 0x01000404L,
		0x01000004L, 0x00000404L, 0x00010404L, 0x01010400L,
		0x00000404L, 0x01000400L, 0x01000400L, 0x00000000L,
		0x00010004L, 0x00010400L, 0x00000000L, 0x01010004L 
	};							
unsigned long	SP2[64] = {
		0x80108020L, 0x80008000L, 0x00008000L, 0x00108020L,
		0x00100000L, 0x00000020L, 0x80100020L, 0x80008020L,
		0x80000020L, 0x80108020L, 0x80108000L, 0x80000000L,
		0x80008000L, 0x00100000L, 0x00000020L, 0x80100020L,
		0x00108000L, 0x00100020L, 0x80008020L, 0x00000000L,
		0x80000000L, 0x00008000L, 0x00108020L, 0x80100000L,
		0x00100020L, 0x80000020L, 0x00000000L, 0x00108000L,
		0x00008020L, 0x80108000L, 0x80100000L, 0x00008020L,
		0x00000000L, 0x00108020L, 0x80100020L, 0x00100000L,
		0x80008020L, 0x80100000L, 0x80108000L, 0x00008000L,
		0x80100000L, 0x80008000L, 0x00000020L, 0x80108020L,
		0x00108020L, 0x00000020L, 0x00008000L, 0x80000000L,
		0x00008020L, 0x80108000L, 0x00100000L, 0x80000020L,
		0x00100020L, 0x80008020L, 0x80000020L, 0x00100020L,
		0x00108000L, 0x00000000L, 0x80008000L, 0x00008020L,
		0x80000000L, 0x80100020L, 0x80108020L, 0x00108000L
	};
unsigned long	SP3[64] = {
		0x00000208L, 0x08020200L, 0x00000000L, 0x08020008L,
		0x08000200L, 0x00000000L, 0x00020208L, 0x08000200L,
		0x00020008L, 0x08000008L, 0x08000008L, 0x00020000L,
		0x08020208L, 0x00020008L, 0x08020000L, 0x00000208L,
		0x08000000L, 0x00000008L, 0x08020200L, 0x00000200L,
		0x00020200L, 0x08020000L, 0x08020008L, 0x00020208L,
		0x08000208L, 0x00020200L, 0x00020000L, 0x08000208L,
		0x00000008L, 0x08020208L, 0x00000200L, 0x08000000L,
		0x08020200L, 0x08000000L, 0x00020008L, 0x00000208L,
		0x00020000L, 0x08020200L, 0x08000200L, 0x00000000L,
		0x00000200L, 0x00020008L, 0x08020208L, 0x08000200L,
		0x08000008L, 0x00000200L, 0x00000000L, 0x08020008L,
		0x08000208L, 0x00020000L, 0x08000000L, 0x08020208L,
		0x00000008L, 0x00020208L, 0x00020200L, 0x08000008L,
		0x08020000L, 0x08000208L, 0x00000208L, 0x08020000L,
		0x00020208L, 0x00000008L, 0x08020008L, 0x00020200L 
	};
unsigned long	SP4[64] = {
		0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
		0x00802080L, 0x00800081L, 0x00800001L, 0x00002001L,
		0x00000000L, 0x00802000L, 0x00802000L, 0x00802081L,
		0x00000081L, 0x00000000L, 0x00800080L, 0x00800001L,
		0x00000001L, 0x00002000L, 0x00800000L, 0x00802001L,
		0x00000080L, 0x00800000L, 0x00002001L, 0x00002080L,
		0x00800081L, 0x00000001L, 0x00002080L, 0x00800080L,
		0x00002000L, 0x00802080L, 0x00802081L, 0x00000081L,
		0x00800080L, 0x00800001L, 0x00802000L, 0x00802081L,
		0x00000081L, 0x00000000L, 0x00000000L, 0x00802000L,
		0x00002080L, 0x00800080L, 0x00800081L, 0x00000001L,
		0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
		0x00802081L, 0x00000081L, 0x00000001L, 0x00002000L,
		0x00800001L, 0x00002001L, 0x00802080L, 0x00800081L,
		0x00002001L, 0x00002080L, 0x00800000L, 0x00802001L,
		0x00000080L, 0x00800000L, 0x00002000L, 0x00802080L 
	};		
unsigned long	SP5[64] = {
		0x00000100L, 0x02080100L, 0x02080000L, 0x42000100L,
		0x00080000L, 0x00000100L, 0x40000000L, 0x02080000L,
		0x40080100L, 0x00080000L, 0x02000100L, 0x40080100L,
		0x42000100L, 0x42080000L, 0x00080100L, 0x40000000L,
		0x02000000L, 0x40080000L, 0x40080000L, 0x00000000L,
		0x40000100L, 0x42080100L, 0x42080100L, 0x02000100L,
		0x42080000L, 0x40000100L, 0x00000000L, 0x42000000L,
		0x02080100L, 0x02000000L, 0x42000000L, 0x00080100L,
		0x00080000L, 0x42000100L, 0x00000100L, 0x02000000L,
		0x40000000L, 0x02080000L, 0x42000100L, 0x40080100L,
		0x02000100L, 0x40000000L, 0x42080000L, 0x02080100L,
		0x40080100L, 0x00000100L, 0x02000000L, 0x42080000L,
		0x42080100L, 0x00080100L, 0x42000000L, 0x42080100L,
		0x02080000L, 0x00000000L, 0x40080000L, 0x42000000L,
		0x00080100L, 0x02000100L, 0x40000100L, 0x00080000L,
		0x00000000L, 0x40080000L, 0x02080100L, 0x40000100L 
	};
unsigned long	SP6[64] = {
		0x20000010L, 0x20400000L, 0x00004000L, 0x20404010L,
		0x20400000L, 0x00000010L, 0x20404010L, 0x00400000L,
		0x20004000L, 0x00404010L, 0x00400000L, 0x20000010L,
		0x00400010L, 0x20004000L, 0x20000000L, 0x00004010L,
		0x00000000L, 0x00400010L, 0x20004010L, 0x00004000L,
		0x00404000L, 0x20004010L, 0x00000010L, 0x20400010L,
		0x20400010L, 0x00000000L, 0x00404010L, 0x20404000L,
		0x00004010L, 0x00404000L, 0x20404000L, 0x20000000L,
		0x20004000L, 0x00000010L, 0x20400010L, 0x00404000L,
		0x20404010L, 0x00400000L, 0x00004010L, 0x20000010L,
		0x00400000L, 0x20004000L, 0x20000000L, 0x00004010L,
		0x20000010L, 0x20404010L, 0x00404000L, 0x20400000L,
		0x00404010L, 0x20404000L, 0x00000000L, 0x20400010L,
		0x00000010L, 0x00004000L, 0x20400000L, 0x00404010L,
		0x00004000L, 0x00400010L, 0x20004010L, 0x00000000L,
		0x20404000L, 0x20000000L, 0x00400010L, 0x20004010L 
	};
unsigned long	SP7[64] = {
		0x00200000L, 0x04200002L, 0x04000802L, 0x00000000L,
		0x00000800L, 0x04000802L, 0x00200802L, 0x04200800L,
		0x04200802L, 0x00200000L, 0x00000000L, 0x04000002L,
		0x00000002L, 0x04000000L, 0x04200002L, 0x00000802L,
		0x04000800L, 0x00200802L, 0x00200002L, 0x04000800L,
		0x04000002L, 0x04200000L, 0x04200800L, 0x00200002L,
		0x04200000L, 0x00000800L, 0x00000802L, 0x04200802L,
		0x00200800L, 0x00000002L, 0x04000000L, 0x00200800L,
		0x04000000L, 0x00200800L, 0x00200000L, 0x04000802L,
		0x04000802L, 0x04200002L, 0x04200002L, 0x00000002L,
		0x00200002L, 0x04000000L, 0x04000800L, 0x00200000L,
		0x04200800L, 0x00000802L, 0x00200802L, 0x04200800L,
		0x00000802L, 0x04000002L, 0x04200802L, 0x04200000L,
		0x00200800L, 0x00000000L, 0x00000002L, 0x04200802L,
		0x00000000L, 0x00200802L, 0x04200000L, 0x00000800L,
		0x04000002L, 0x04000800L, 0x00000800L, 0x00200002L
	};
unsigned long	SP8[64] = {
		0x10001040L, 0x00001000L, 0x00040000L, 0x10041040L,
		0x10000000L, 0x10001040L, 0x00000040L, 0x10000000L,
		0x00040040L, 0x10040000L, 0x10041040L, 0x00041000L,
		0x10041000L, 0x00041040L, 0x00001000L, 0x00000040L,
		0x10040000L, 0x10000040L, 0x10001000L, 0x00001040L,
		0x00041000L, 0x00040040L, 0x10040040L, 0x10041000L,
		0x00001040L, 0x00000000L, 0x00000000L, 0x10040040L,
		0x10000040L, 0x10001000L, 0x00041040L, 0x00040000L,
		0x00041040L, 0x00040000L, 0x10041000L, 0x00001000L,
		0x00000040L, 0x10040040L, 0x00001000L, 0x00041040L,
		0x10001000L, 0x00000040L, 0x10000040L, 0x10040000L,
		0x10040040L, 0x10000000L, 0x00040000L, 0x10001040L,
		0x00000000L, 0x10041040L, 0x00040040L, 0x10000040L,
		0x10040000L, 0x10001000L, 0x10001040L, 0x00000000L,
		0x10041040L, 0x00041000L, 0x00041000L, 0x00001040L,
		0x00001040L, 0x00040040L, 0x10000000L, 0x10041000L 
	};	
}
void cyph::deskey(unsigned char *key,short edf)
{	

	int l, m, n;
	unsigned char  pc1m[56], pcr[56];
	unsigned long kn[32];

	for ( int i = 0; i < 56; i++ )
	{
		l = pc1[i];
		m = l & 07;
		pc1m[i] = (key[l >> 3] & bytebit[m]) ? 1 : 0;
	} 
	for( int j = 0; j < 16; j++ ) 
	{
		if( edf == DE1 ) m = (15 - j) << 1;		
		else m = j << 1;	
		n = m + 1;
		kn[m] = kn[n] = 0L;
		for( i = 0; i < 28; i++ ) 
		{
			l = i + totrot[j];
			if( l < 28 ) pcr[i] = pc1m[l];
			else pcr[i] = pc1m[l - 28];
		}		
		for( i = 28; i < 56; i++ )
		{
			l = i + totrot[j];
			if( l < 56 ) pcr[i] = pc1m[l];
			else pcr[i] = pc1m[l - 28];
		}		
		for( i = 0; i < 24; i++ ) 
		{
			if( pcr[pc2[i]] ) kn[m] |= bigbyte[i];
			if( pcr[pc2[i+24]] ) kn[n] |= bigbyte[i];
		}		
	}
AfxMessageBox("dddddd",MB_OK,0);
	cookey(kn);
	return;
}
void cyph::cookey(unsigned long *raw1)
{
	unsigned long *cook, *raw0;
	unsigned long dough[32];
	int i;		
	cook = dough;
	for( i = 0; i < 16; i++, raw1++ )
	{
		raw0 = raw1++;		
		*cook	 = (*raw0 & 0x00fc0000L) << 6;
		*cook	|= (*raw0 & 0x00000fc0L) << 10;
		*cook	|= (*raw1 & 0x00fc0000L) >> 10;

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