求 VC++编写的文件夹加密软件代码 smzen@163.com

// AesCodeDlg.cpp : implementation file
//

#include "stdafx.h"
#include "AesCode.h"
#include "AesCodeDlg.h"

#include "Aes.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
CAboutDlg();

// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum ;
//}}AFX_DATA

// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL

// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAesCodeDlg dialog

CAesCodeDlg::CAesCodeDlg(CWnd* pParent /*=NULL*/)
: CDialog(CAesCodeDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CAesCodeDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CAesCodeDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAesCodeDlg)
DDX_Control(pDX, IDC_EnDeProg, m_prog);
//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAesCodeDlg, CDialog)
//{{AFX_MSG_MAP(CAesCodeDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BAesEn, OnBAesEn)
ON_BN_CLICKED(IDC_BAesDe, OnBAesDe)
ON_BN_CLICKED(IDC_BFile, OnBFile)
ON_BN_CLICKED(IDC_BFileEn, OnBFileEn)
ON_BN_CLICKED(IDC_BFileDe, OnBFileDe)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAesCodeDlg message handlers

BOOL CAesCodeDlg::OnInitDialog()
{
CDialog::OnInitDialog();

// Add "About..." menu item to system menu.

// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);

CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}

// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon

// TODO: Add extra initialization here
SetDlgItemText(IDC_EAesEn,"0123456789abcdef");
EnDe_filename="";
m_prog.SetRange(0,100);
m_prog.SetPos(0);
return TRUE; // return TRUE unless you set the focus to a control
}

void CAesCodeDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}

// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.

void CAesCodeDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting

SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;

// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}

// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CAesCodeDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
////////////////////////////////////////////////////////////////////////////////////////////////
//Aes字符串加密
void CAesCodeDlg::OnBAesEn()
{
// TODO: Add your control notification handler code here
unsigned char inBuff[25],ouBuff[25];
memset(inBuff,0,25);
memset(ouBuff,0,25);

Aes aes(24,(unsigned char*)"\x0\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13\x14\x15\x16\x17");

GetDlgItemText(IDC_EAesEn,(char*)inBuff,24);
if(strlen((char*)inBuff)>16)MessageBox("本例只能加密16字节的字符串，大于截断");

aes.Cipher(inBuff,ouBuff); //因为输出为16个字节，每个字节用两个字母或数字表示。
CString str="",strTmp; //实际输出是32个字母或数字,否则ASCII码值超出127的会变成乱码。
for(int i=0;i<16;i++)
{
strTmp.Format("%02x",ouBuff[i]); //其实相当于把ouBuff的ASCII值这个数字以16进制的形式输出
str+=strTmp;
}
//MessageBox(str,"加密后");
SetDlgItemText(IDC_EAesEn,str);
}
////////////////////////////////////////////////////////////////////////////////////////////////
//Aes字符串解密
void CAesCodeDlg::OnBAesDe()
{
// TODO: Add your control notification handler code here
unsigned char inBuff[33],ouBuff[25]; //还是要注意32个字符的字符串需要用33个字节来存储，
//因为有个结束符，太恶心了
memset(inBuff,0,32);
memset(ouBuff,0,25);

Aes aes(24,(unsigned char*)"\x0\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13\x14\x15\x16\x17");
GetDlgItemText(IDC_EAesEn,(char*)inBuff,33);
unsigned char temp[25];
for(int j=0;j<16;j++)
{
temp[j]=char2num(inBuff[2*j])*16+char2num(inBuff[2*j+1]);// 将字符字面表示的16进制ASCII码值转换成真正的ASCII码值
}

aes.InvCipher(temp,ouBuff);//"dda97ca4......ec0d7191"

SetDlgItemText(IDC_EAesDe,CString(ouBuff));
}

////////////////////////////////////////////////////////////////////////////////////////////////
//字符ASCII码值到字符字面值的转换 如 '0'转换成0， 'a'转换成10
int CAesCodeDlg::char2num(char ch)
{
if(ch>='0'&&ch<='9')return ch-'0';
else if(ch>='a'&&ch<='f')return ch-'a'+10;
return -1;
}
////////////////////////////////////////////////////////////////////////////////////////////////
//文件选择框
void CAesCodeDlg::OnBFile()
{
// TODO: Add your control notification handler code here
CFileDialog fdlg(1,NULL,NULL,OFN_HIDEREADONLY ,"All Files(*.*)|*.*||");
if(IDOK!=fdlg.DoModal())return;
EnDe_filename=fdlg.GetPathName();
SetDlgItemText(IDC_EFile,EnDe_filename);
}
////////////////////////////////////////////////////////////////////////////////////////////////
//Aes文件加密
void CAesCodeDlg::OnBFileEn()
{
// TODO: Add your control notification handler code here
if(EnDe_filename=="")return;
FILE* finput;
FILE* foutput;
finput=fopen((LPCTSTR)EnDe_filename,"rb");
if(!finput)
{
MessageBox("文件打开错误","出错",MB_OK);
return;
}
fseek(finput,0,SEEK_END);
long lFileLen=ftell(finput); //ftell()函数返回文件位置指示符的当前值，即如果现在是在文件结尾，则这个值就是文件长度
fseek(finput,0,SEEK_SET);
long blocknum=lFileLen/16;
long leftnum=lFileLen%16;
EnDe_filename+=".en";
foutput=fopen((LPCTSTR)EnDe_filename,"wb");
if(!foutput)
{
MessageBox("文件打开错误","出错",MB_OK);
fclose(finput);
return;
}
unsigned char inBuff[25],ouBuff[25];
Aes aes(16,(unsigned char*)"\x0\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf");
for(long i=0;i{
fread(inBuff,1,16,finput); //读取16个对象，每个对象的长度是1字节
aes.Cipher(inBuff,ouBuff);
fwrite(ouBuff,1,16,foutput);
m_prog.SetPos(int(100*i/blocknum)); //加密进度条进度设置
}
if(leftnum)
{
memset(inBuff,0,16);
fread(inBuff,1,leftnum,finput);
aes.Cipher(inBuff,ouBuff);
fwrite(ouBuff,1,16,foutput);
}
fclose(finput);
fclose(foutput);
MessageBox("加密成功！");
SetDlgItemText(IDC_EFile,EnDe_filename);
m_prog.SetPos(0);
}
////////////////////////////////////////////////////////////////////////////////////////////////
//Aes文件解密
void CAesCodeDlg::OnBFileDe()
{
// TODO: Add your control notification handler code here
if(EnDe_filename=="")return;
FILE* finput;
FILE* foutput;
finput=fopen((LPCTSTR)EnDe_filename,"rb");
if(!finput)
{
MessageBox("文件打开错误","出错",MB_OK);
return;
}
fseek(finput,0,SEEK_END);
long lFileLen=ftell(finput); //ftell()函数返回文件位置指示符的当前值，即如果现在是在文件结尾，则这个值就是文件长度
fseek(finput,0,SEEK_SET);
long blocknum=lFileLen/16;
long leftnum=lFileLen%16;
EnDe_filename+=".de";
foutput=fopen((LPCTSTR)EnDe_filename,"wb");
if(!foutput)
{
MessageBox("文件打开错误","出错",MB_OK);
fclose(finput);
return;
}
unsigned char inBuff[25],ouBuff[25];
Aes aes(16,(unsigned char*)"\x0\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf");
for(long i=0;i{
fread(inBuff,1,16,finput); //读取16个对象，每个对象的长度是1字节
aes.InvCipher(inBuff,ouBuff);
fwrite(ouBuff,1,16,foutput);
m_prog.SetPos(int(100*i/blocknum)); //加密进度条进度设置
}
if(leftnum)
{
MessageBox("文件可能已损坏或非经aes加密过");
}
fclose(finput);
fclose(foutput);
MessageBox("解密成功！");
SetDlgItemText(IDC_EFile,EnDe_filename);
m_prog.SetPos(0);
}
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