deslancedlg.cpp

用C语言编程实现DES(数据加密标准)的完整功能

// DESLANCEDlg.cpp : implementation file
//

#include "stdafx.h"
#include "DESLANCE.h"
#include "DESLANCEDlg.h"
#include "function.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()

/////////////////////////////////////////////////////////////////////////////
// CDESLANCEDlg dialog

CDESLANCEDlg::CDESLANCEDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDESLANCEDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDESLANCEDlg)
	m_ciphertext = _T("");
	m_mima = _T("");
	m_deciphertext = _T("");
	m_plaintext = _T("");
	m_f0 = 0;
	m_f1 = 0;
	m_f10 = 0;
	m_f11 = 0;
	m_f12 = 0;
	m_f13 = 0;
	m_f2 = 0;
	m_f3 = 0;
	m_f4 = 0;
	m_f5 = 0;
	m_f6 = 0;
	m_f7 = 0;
	m_f8 = 0;
	m_f9 = 0;
	m_t0 = 0;
	m_t1 = 0;
	m_t10 = 0;
	m_t11 = 0;
	m_t12 = 0;
	m_t13 = 0;
	m_t2 = 0;
	m_t3 = 0;
	m_t4 = 0;
	m_t5 = 0;
	m_t6 = 0;
	m_t7 = 0;
	m_t8 = 0;
	m_t9 = 0;
	m_keytype = -1;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDESLANCEDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDESLANCEDlg)
	DDX_Text(pDX, IDC_CIPHER, m_ciphertext);
	DDX_Text(pDX, IDC_KEY, m_mima);
	DDX_Text(pDX, IDC_DCIPHER, m_deciphertext);
	DDX_Text(pDX, IDC_PLAIN, m_plaintext);
	DDX_Text(pDX, IDC_F0, m_f0);
	DDX_Text(pDX, IDC_F1, m_f1);
	DDX_Text(pDX, IDC_F10, m_f10);
	DDX_Text(pDX, IDC_F11, m_f11);
	DDX_Text(pDX, IDC_F12, m_f12);
	DDX_Text(pDX, IDC_F13, m_f13);
	DDX_Text(pDX, IDC_F2, m_f2);
	DDX_Text(pDX, IDC_F3, m_f3);
	DDX_Text(pDX, IDC_F4, m_f4);
	DDX_Text(pDX, IDC_F5, m_f5);
	DDX_Text(pDX, IDC_F6, m_f6);
	DDX_Text(pDX, IDC_F7, m_f7);
	DDX_Text(pDX, IDC_F8, m_f8);
	DDX_Text(pDX, IDC_F9, m_f9);
	DDX_Text(pDX, IDC_T0, m_t0);
	DDX_Text(pDX, IDC_T1, m_t1);
	DDX_Text(pDX, IDC_T10, m_t10);
	DDX_Text(pDX, IDC_T11, m_t11);
	DDX_Text(pDX, IDC_T12, m_t12);
	DDX_Text(pDX, IDC_T13, m_t13);
	DDX_Text(pDX, IDC_T2, m_t2);
	DDX_Text(pDX, IDC_T3, m_t3);
	DDX_Text(pDX, IDC_T4, m_t4);
	DDX_Text(pDX, IDC_T5, m_t5);
	DDX_Text(pDX, IDC_T6, m_t6);
	DDX_Text(pDX, IDC_T7, m_t7);
	DDX_Text(pDX, IDC_T8, m_t8);
	DDX_Text(pDX, IDC_T9, m_t9);
	DDX_CBIndex(pDX, IDC_COMBO1, m_keytype);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDESLANCEDlg, CDialog)
	//{{AFX_MSG_MAP(CDESLANCEDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDOK, On_OK)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDESLANCEDlg message handlers

BOOL CDESLANCEDlg::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 CDESLANCEDlg::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 CDESLANCEDlg::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 CDESLANCEDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CDESLANCEDlg::On_OK() 
{
 UpdateData();
 char mima[16],plaintext[MAXLEN],ciphertext[MAXLEN],deciphertext[MAXLEN];
 int miyao[NUM1];
 int i,n,k;
 for(i=0;i<14;i++)
	{ t[i]=0;
     f[i]=0;
}
 if(m_keytype==-1)  {
	      AfxMessageBox("Please choose the key type first!");
		  return;
 }
 else {if(!m_keytype) {      
 for(i=0;i<8;i++)
   mima[i]=m_mima.GetAt(i);
 change1(mima,miyao,8);
 k=key_setup(miyao);
 if(k) {
	    AfxMessageBox("It's a week mima.Please input again.\n");
        return;
 }
 }
 else {
	   for(i=0;i<16;i++)
	        mima[i]=m_mima.GetAt(i);
	   for(i=0;i<16;i++)
            HTB(mima[i],&(miyao[i*4]));
        k=key_setup(miyao);
        if(k) {
	    AfxMessageBox("It's a week mima.Please input again.\n");
        return;
 }
 }
 }
 AfxMessageBox("Setup key success!");
 n=m_plaintext.GetLength();
 for(i=0;i<n;i++)
   plaintext[i]=m_plaintext.GetAt(i);
DES(plaintext,ciphertext,deciphertext,n);
ciphertext[n]='\0';
deciphertext[n]='\0';
m_ciphertext.Format("%s",ciphertext);
m_deciphertext.Format("%s",deciphertext);
m_f0=f[0]; m_f1=f[1]; m_f2=f[2]; m_f3=f[3]; m_f4=f[4]; m_f5=f[5]; m_f6=f[6];
m_f7=f[7]; m_f8=f[8]; m_f9=f[9]; m_f10=f[10]; m_f11=f[11]; m_f12=f[12]; m_f13=f[13];
m_t0=t[0]; m_t1=t[1]; m_t2=t[2]; m_t3=t[3]; m_t4=t[4]; m_t5=t[5]; m_t6=t[6];
m_t7=t[7]; m_t8=t[8]; m_t9=t[9]; m_t10=t[10]; m_t11=t[11]; m_t12=t[12]; m_t13=t[13];
UpdateData(false);
}