testencrypt.cpp

一个实现数据加密解密的例子。 从它可以看出自制加密解密的过程。

// TestEncrypt.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "stdlib.h"

#include "Encrypt.h"

#define L 2833


#define B_(expr) {expr}
int main(int argc, char* argv[])
{
    unsigned char buf[L];
    unsigned char buf2[L];
    int i;
    for (i=0;i<L;i++){
        buf2[i]=buf[i]=rand();
    }
    printf("Original Data:\n");
    for (i=0;i<L;i++){
        printf("%d ",buf[i]);
    }
    printf("\nEncrypted data:\n");
    Encrypt(buf,L);
    for (i=0;i<L;i++){
        printf("%d ",buf[i]);
    }
    printf("\nDeEncrypted data:\n");
    DeEncrypt(buf,L);
    for (i=0;i<L;i++){
        printf("%d ",buf[i]);
    }
    printf("\nComparing...\n");
    for (i=0;i<L;i++){
        if (buf[i]!=buf2[i])
            printf("Find a difference i=%d\n",i);
    }
    printf("\nOK\n");

    B_(printf("dfasdfasd");
    printf("ddd");)
	return 0;
}