use_des.cpp

use_des.zip(vc6)DES块加密算法 使用块加密8个字符

// use_des.cpp : Defines the entry point for the console application.
//
//DES块加密算法 使用
//每组8个字符，如果大于8个字符后面信息不处理
//
#include "stdafx.h"

//#include "d3des_c.h"
#include "d3des.c"

int main(int argc, char* argv[])
{
	char *key="this is key ";
	char info1[19],info2[9],info3[9];
	memset(info1,0,19);
	memset(info2,0,9);
	memset(info3,0,9);
	strcpy(info1,"01234567");
	//0为加密方式
	::deskey((unsigned char *)key,0);
    des((unsigned char *)info1,(unsigned char *)info2);
    //info2[4]=0;
	printf("原文=%s\n密文=%s\n",info1,info2);
    //1为解密方式
	::deskey((unsigned char *)key,1);
	
    des((unsigned char *)info2,(unsigned char *)info1);
	//info1[4]=0;
    printf("原文=%s\n密文=%s\n",info1,info2);
	printf("Hello World!\n");
	return 0;
}