二进制文件加密

来源：互联网发布：达内科技设计网络营编辑：程序博客网时间：2024/06/06 03:15

背景：
1.bin文件，exe文件，图片文件等都可以使用二进制加密方式进行加密。
2.使用while循环来取代for循环进行字符加密。
3.exe文件加密解密的应用：先将exe文件伪装成txt文件，避免杀毒软件检测，再通过解密，txt–>exe

#define _CRT_SECURE_NO_WARNINGS#define SRC_PATH "C:\\Users\\michael\\Desktop\\pis.exe"#define CODE_PATH "C:\\Users\\michael\\Desktop\\pis11.exe"#define DECODE_PATH "C:\\Users\\michael\\Desktop\\pis22.exe"#define CODE_PATH_MUMA "C:\\Users\\michael\\Desktop\\pis11.txt"#define DECODE_PATH_MUMA "C:\\Users\\michael\\Desktop\\pis33.exe"#include <stdio.h>#include <stdlib.h>#include <string.h>void code_decode_file_with_psw(char* path, char* newpath,char* psw){    FILE* pRead = fopen(path, "rb");    FILE* pWrite = fopen(newpath, "wb");    if (pRead == NULL || pWrite == NULL)    {        return;    }    else    {        int ch = 0;        int newCh = 0;//加密或解密后的字符        int pswLength = strlen(psw);                int index=0;        while (!(ch = feof(pRead)))        {            ch = fgetc(pRead);            newCh = ch ^psw[index%pswLength];            fputc(newCh, pWrite);            index++;        }    }    fclose(pRead);    fclose(pWrite);    pRead = NULL;    pWrite = NULL;}void main(){    code_decode_file_with_psw(SRC_PATH, CODE_PATH,"112");    code_decode_file_with_psw(CODE_PATH, DECODE_PATH,"112");    //在生成加密文件后，重命令exe-->txt,再利用解密将其还原为exe    code_decode_file_with_psw(CODE_PATH_MUMA , CODE_PATH_MUMA,"112");    system("pause");}

0 0