- #define _CRT_SECURE_NO_WARNINGS//关闭安全检查
- #include<stdio.h>
- #include<stdlib.h>
- char jia(char ch)
- {
- return ch + 1;//可以使用位加密return ch^523;
- }
- char jie(char ch)
- {
- return ch - 1;//可以使用位解密return ch^523;
- }
- void jiami(char *path, char *pathjia)
- {
- FILE *pfr, *pfw;
- pfr = fopen(path, "r");//读取
- pfw = fopen(pathjia, "w");//写入
- if (pfr == NULL || pfw == NULL)
- {
- printf("失败");
- }
- else
- {
- while (!feof(pfr))//feof,文件结束返回1，否则返回0，前面加上!效果相反
- {
- char ch = fgetc(pfr);//读取字符
- putchar(ch);
- fputc(jia(ch), pfw);//写入加密字符
- }
- fclose(pfr);
- fclose(pfw);
- }
- }
- void jiemi(char *path, char *pathjie)
- {
- FILE *pfw, *pfr;
- pfw = fopen(path, "r");
- pfr = fopen(pathjie, "w");
- if (pfr == NULL || pfw == NULL)
- {
- printf("解密失败");
- }
- else
- {
- while (!feof(pfw))
- {
- char ch = fgetc(pfw);
- putchar(ch);
- fputc(jie(ch), pfr);
- }
- fclose(pfw);
- fclose(pfr);
- }
- }
- void main()
- {
- char *path = "C:\\Users\\snail\\Desktop\\1.txt";
- char *pathjia = "C:\\Users\\wh\\Desktop\\jiami.txt";
- char *pathjie = "C:\\Users\\wh\\Desktop\\jiemi.txt";
- jiami(path, pathjia);
- jiemi(pathjia, pathjie);
- system("pause");
- }
简单的文件加密
猜你喜欢
转载自blog.csdn.net/bruce135lee/article/details/80683325
今日推荐
周排行