溫馨提示×

mfc如何將文本數據加密

九三
485
2021-02-09 15:41:47
欄目: 網絡安全

mfc如何將文本數據加密

使用mfc對文本數據進行加密的方法

mfc代碼如下:

#include "stdafx.h"

#include "EncodeAndDecode.h"

#include "afxdialogex.h"

EncodeAndDecode::EncodeAndDecode()

{

}

EncodeAndDecode::~EncodeAndDecode()

{

}

void EncodeAndDecode::EncodeFile()

{

//讀取配置文件

CString fPath("./data.txt");

CFile openFile;

bool bFile = openFile.Open(fPath, CFile::modeRead);

//同根目錄下判斷是否打開

if (!bFile)

{

MessageBox(NULL,_T("系統文件丟失請聯系管理員"), _T("錯誤") ,MB_ICONINFORMATION);

exit(0);

}

DWORD openSize = (DWORD)openFile.GetLength();

char* buf = new char[openSize + 1];

memset(buf, 0, sizeof(char) * (openSize + 1));

openFile.Read(buf, openSize);

openFile.Close();

//加密算法

for (unsigned int i = 0; i < openSize; i++)

{

buf[i] = 255 - buf[i];

}

//寫入加密文件

CString wPath("./moon.xie");

CFile writeFile;

writeFile.Open(wPath, CFile::modeWrite | CFile::modeCreate);

writeFile.Write(buf, openSize);

writeFile.Close();

//MessageBox(NULL, _T("已加密"), _T("成功"), MB_ICONINFORMATION);

}

0
亚洲午夜精品一区二区_中文无码日韩欧免_久久香蕉精品视频_欧美主播一区二区三区美女