mydesdlg.cpp

经典的DES算法

// MyDesDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MyDes.h"
#include "MyDesDlg.h"
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.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 { IDD = IDD_ABOUTBOX };
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CMyDesDlg dialog

CMyDesDlg::CMyDesDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyDesDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyDesDlg)
	m_DesIn = _T("");
	m_DesKey = _T("");
	m_DesOut = _T("");
	m_BCD = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyDesDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDesDlg)
	DDX_Text(pDX, IDC_EDIT1, m_DesIn);
	DDX_Text(pDX, IDC_EDIT2, m_DesKey);
	DDX_Text(pDX, IDC_EDIT3, m_DesOut);
	DDX_Text(pDX, IDC_EDIT4, m_BCD);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyDesDlg, CDialog)
	//{{AFX_MSG_MAP(CMyDesDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
	ON_BN_CLICKED(IDC_BUTTON5, OnButton5)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDesDlg message handlers

BOOL CMyDesDlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMyDesDlg::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 CMyDesDlg::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 CMyDesDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMyDesDlg::OnOK() 
{
	// TODO: Add extra validation here
	
//	CDialog::OnOK();
	UpdateData(true);

	m_DesOut=m_Des.EnDes(m_DesIn,m_DesKey);
	UpdateData(FALSE);		

}

void CMyDesDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	exit(0);
}

void CMyDesDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
	//    CString strIn = "12345678" ;
	m_DesOut=m_Des.UnDes(m_DesIn,m_DesKey); 	
	UpdateData(false);		

}

void CMyDesDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
//	char bin[64];
	m_BCD=m_Des.BcdToBin(m_DesIn);
//	m_BCD.Format("%ld%",bin);
	UpdateData(false);
}

void CMyDesDlg::OnButton3() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
//	char bin[8];
	m_BCD = m_Des.BinToStr(m_DesIn);
	UpdateData(false);	
}

void CMyDesDlg::OnButton4() 
{
	// TODO: Add your control notification handler code here
	UpdateData(true);
//	char bin[64];
	m_BCD=m_Des.StrToBin(m_DesIn);
//	m_BCD.Format("%ld%",bin);
	UpdateData(false);
	
}

void CMyDesDlg::OnButton5() 
{
	// TODO: Add your control notification handler code here
	//文件长度
/*	CFileFind finder;
	if (finder.FindFile("e:\\a3\\dmn.exe"))
		if(!finder.FindNextFile()) 
			m_BCD = finder.GetLength();

	finder.Close();
*/
/*	WIN32_FIND_DATA ffd ;
	HANDLE hFind = FindFirstFile("c:\\test.dat",&ffd);
	m_BCD = ffd.nFileSizeLow; 
*/
   struct _stat buf;
   int result;
   char buffer[20];

   result = _stat("e:\\a3\\dmn.exe", &buf );

   if( result != 0 )
      perror( "Problem getting information" );
   else
	  _itoa( buf.st_size, buffer, 10 );

    m_BCD= buffer;

    UpdateData(false);
}