de1sdlg.cpp

3DES加密算法~~~~~~~ 密码学课程设计

// De1SDlg.cpp : implementation file
//

#include "stdafx.h"
#include "De1S.h"
#include "De1SDlg.h"
#include "wy.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()

/////////////////////////////////////////////////////////////////////////////
// CDe1SDlg dialog

CDe1SDlg::CDe1SDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDe1SDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDe1SDlg)
	m_edit1 = _T("");
	m_edit2 = _T("");
	m_edit3 = _T("");
	m_edit4 = _T("");
	m_edit5 = _T("");
	m_edit6 = _T("");
	m_edit7 = _T("");
	m_edit8 = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	  encrypt=false; 
	  decrypt=false;
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDe1SDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDe1SDlg)
	DDX_Text(pDX, IDC_EDIT1, m_edit1);
	DDX_Text(pDX, IDC_EDIT2, m_edit2);
	DDX_Text(pDX, IDC_EDIT3, m_edit3);
	DDX_Text(pDX, IDC_EDIT4, m_edit4);
	DDX_Text(pDX, IDC_EDIT5, m_edit5);
	DDX_Text(pDX, IDC_EDIT6, m_edit6);
	DDX_Text(pDX, IDC_EDIT7, m_edit7);
	DDX_Text(pDX, IDC_EDIT8, m_edit8);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDe1SDlg, CDialog)
	//{{AFX_MSG_MAP(CDe1SDlg)
	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)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDe1SDlg message handlers

BOOL CDe1SDlg::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 CDe1SDlg::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 CDe1SDlg::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
	{    	
	    CString str1="";
		CString str5="";
		if(encrypt)
		{
		     char str2[9]={'\0'}, str[9]={'\0'};
			
			 len=strlen(m_edit1);
			 m_edit3="";
            for(begin=0,end=8;end<len+8;begin+=8,end+=8)
			 {
	               for (int a=0;a<end-begin;a++)
					   if(begin+a<len)
	                   str[a]=m_edit1[begin+a];
					   else str[a]='\0';
                     Des_SetKey(m_edit2);
                     memset(str2, 0, sizeof(str2));
                     Des_Run(str2, str, ENCRYPT);
					 str2[8]='\0';
					 str1+=str2;
			 }
			len=strlen(str1);
			char str6[9]={'\0'}, str7[9]={'\0'};
			for(begin=0,end=8;end<len+8;begin+=8,end+=8)
			 {
	               for (int a=0;a<end-begin;a++)
	                   str7[a]=str1[begin+a];					 
                     Des_SetKey(m_edit7);
                     memset(str6, 0, sizeof(str6));
                     Des_Run(str6, str7, ENCRYPT);
				  str6[8]='\0';
                     m_edit3+=str6;
			 }
            encrypt=false;
		}
       if(decrypt)
	   {
		   char str3[9]={'\0'}, str4[8]={'\0'};
		     str5="";
			 Des_SetKey(m_edit8);
			 len=strlen(m_edit4);
			 m_edit6="";
            for(begin=0,end=8;end<len+8;begin+=8,end+=8)
			{
			   for (int a=0;a<end-begin;a++)
				 // if(begin+a<len)
	               str4[a]=m_edit4[begin+a];
				  // else str4[a]='\0';
				   memset(str3, 0, sizeof(str3));
				   Des_Run(str3, str4, DECRYPT);
				   str3[8]='\0';
				   str5+=str3;
           }
	        //if(str1==str5)
		   // MessageBox("shsafsf");
		//	str5=str1;
	      len=strlen(str5);
		  Des_SetKey(m_edit5);
		  char str8[9]={'\0'}, str9[9]={'\0'};
          for(begin=0,end=8;end<len+8;begin+=8,end+=8)
		   {
			   for (int a=0;a<end-begin;a++)
				 // if(begin+a<len)
	                str9[a]=str5[begin+a];
				 //  else str9[a]='\0';
				   memset(str8, 0, sizeof(str8));
	                Des_Run(str8, str9, DECRYPT);
					str8[8]='\0';
					m_edit6+=str8;
           }
		   decrypt=false;
	   }
        CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CDe1SDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CDe1SDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
		UpdateData(TRUE);
          encrypt=true;	
          RedrawWindow();
      	UpdateData(FALSE);
}

void CDe1SDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
		UpdateData(TRUE);
          decrypt=true;
          RedrawWindow();
      	UpdateData(FALSE);

}

void CDe1SDlg::OnButton3() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
          m_edit4=m_edit3;
		  m_edit5=m_edit2;
		  m_edit8=m_edit7;
          RedrawWindow();
      	UpdateData(FALSE);
}

void CDe1SDlg::OnButton4() 
{
	// TODO: Add your control notification handler code here
	   UpdateData(TRUE);
         m_edit1=m_edit3=m_edit4=m_edit6="";
		 RedrawWindow();
      	UpdateData(FALSE);
}