parselin.cpp

3DES加密与解密的算法。 该算法通过编译

#include "Des.h"
#include "getkey.h"
#include "stdio.h"
#include "string.h"
#include "memory.h"

#include "Operfile.h"

#define CFG_FILE "lincense.cfg"
int main()
{

    LGIM netinfo;   
    netinfo.GetIpMac();  

	char key[8],buf[255],buf2[255],lin[255];
	unsigned char ubuf[255],ubuf2[255];
    unsigned char *p;
    int i;

    ReadConfig(CFG_FILE,"[LINCENSE]","lincense=",lin);	

	for(i=0;i<8;i++)
	{
		key[i]=netinfo.mackey[i];
	}

	memset(buf2, 0, sizeof(buf2));
	memset(ubuf2, 0, sizeof(ubuf2));


    p =(unsigned char*)&ubuf2;
    for(i=0;i<8;i++)
    {
        *p=GetByte(lin+i*2);
		p++;
    }

	memcpy(buf2,ubuf2,8);

	Des_Go(buf2, buf2, 3, key, sizeof(key), DECRYPT);
	puts("\nAfter decrypting");
	puts(buf2);

	return 0;
}