userblowfish.cpp

userblowfish(VC6)blowfish的流加密算法,不同于一般的块加密算法

// userblowfish.cpp : Defines the entry point for the console application.
//
//使用blowfish加密算法
#include "stdafx.h"
#define SIZE 30	
int main(int argc, char* argv[])
{
    char *info="这个是汉字'这个分A   D";
	char *en1,*en2;
    long infosize;
	int len;
	infosize=strlen(info)+1;
//	en1 = (char*)malloc(infosize);
	en1=new char[infosize];
	memset(en1,0x00,infosize);


	strcpy(en1,info);


    CBlowFish *xx;
	xx=new CBlowFish();
	xx->Initialize((unsigned char *)"adefksle",8);
	len = xx->GetOutputLength(infosize); 
	en2=new char[len+1];
	memset(en2,0x00,len+1);
	//en2 = (char*)malloc(len);
	printf("len %d\n",len);
	xx->Encode((unsigned char *)en1,(unsigned char *)en2,infosize);
	printf("明文= %s\n",en1);
	printf("密文= %s\n",en2);


	infosize=len;
	len=xx->GetOutputLength(infosize);
	if (en1!=NULL) delete en1;
	en1=new char[len];
	xx->Decode((unsigned char *)en2,(unsigned char *)en1,infosize);
	printf("明文= %s\n",en1);

	delete xx;
 
	delete en1;
	delete en2;


	return 0;
}