ldwdlg.cpp

密码学实验 SDES

// LdwDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Ldw.h"
#include "LdwDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#include "DesFileDlg.h"
/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CLdwDlg dialog

CLdwDlg::CLdwDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLdwDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLdwDlg)
	m_edit1 = _T("");
	m_edit2 = _T("");
	m_edit3 = _T("");
	m_edit4 = _T("");
	m_key = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CLdwDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLdwDlg)
	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_key);
	DDV_MaxChars(pDX, m_key, 10);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CLdwDlg, CDialog)
	//{{AFX_MSG_MAP(CLdwDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_EN_CHANGE(IDC_EDIT1, OnChangeEdit1)
	ON_BN_CLICKED(IDC_CHAR, OnChar)
	ON_BN_CLICKED(IDC_BIN, OnBin)
	ON_BN_CLICKED(IDC_DESFILE, OnDesfile)
	ON_BN_CLICKED(IDM_ABOUTBOX, OnAboutbox)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLdwDlg message handlers

BOOL CLdwDlg::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
////////////////////////////////////////////////////////
	CButton *check;
	check = (CButton *)GetDlgItem(IDC_CHAR);
	check->SetCheck(true);
	m_inputtype = 1;

	m_key ="1010000010";
	m_edit1 ="10110101";
	UpdateData(0);
////////////////////////////////////////////////////////
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CLdwDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
	UpdateData(1);
	if(m_edit1.GetLength() <=0)
	{
		AfxMessageBox("明文不能为空。");
		return;
	}
	if(m_key.GetLength() <=0)
	{
		AfxMessageBox("密钥不能为空。");
		return;
	}
	CSDes des;
	if(m_inputtype == 1)
	{
		des.SetBytes((byte *)m_edit1.GetBuffer(0),m_edit1.GetLength());
	}
	else
	{
		des.SetBytes(m_edit1);
	}
	m_edit2 = des.GetBitString();
	des.SetKey(m_key);
	des.Des();
	m_edit3 = des.GetString();
	m_edit4 = des.GetBitString();
	UpdateData(0);
}

void CLdwDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
	UpdateData(1);
	if(m_edit1.GetLength() <=0)
	{
		AfxMessageBox("密文不能为空。");
		return;
	}
	if(m_key.GetLength() <=0)
	{
		AfxMessageBox("密钥不能为空。");
		return;
	}
	CSDes des;
	if(m_inputtype == 1)
	{
		des.SetBytes((byte *)m_edit1.GetBuffer(0),m_edit1.GetLength());
	}
	else
	{
		des.SetBytes(m_edit1);
	}
	m_edit2 = des.GetBitString();
	des.SetKey(m_key);
	des.UnDes();
	m_edit3 = des.GetString();
	m_edit4 = des.GetBitString();
	UpdateData(0);
}
void CLdwDlg::OnChangeEdit1() 
{
	UpdateData(1);
	CSDes des;
	if(m_inputtype == 1)
	{
		des.SetBytes((byte *)m_edit1.GetBuffer(0),m_edit1.GetLength());
	}
	else
	{
		des.SetBytes(m_edit1);
	}
	m_edit2 = des.GetBitString();
	UpdateData(0);
}

void CLdwDlg::OnOK() 
{
	// TODO: Add extra validation here
	return;
}

void CLdwDlg::OnChar() 
{
	// TODO: Add your control notification handler code here
	if(m_inputtype != 1)
	{
		m_inputtype = 1;
		OnChangeEdit1();
	}
}

void CLdwDlg::OnBin() 
{
	// TODO: Add your control notification handler code here
	if(m_inputtype != 2)
	{
		m_inputtype = 2;
		OnChangeEdit1();
	}
}

void CLdwDlg::OnDesfile() 
{
	// TODO: Add your control notification handler code here
	CDesFileDlg dlg;
	dlg.DoModal();
}

void CLdwDlg::OnAboutbox() 
{
	// TODO: Add your control notification handler code here
	CAboutDlg dlgAbout;
	dlgAbout.DoModal();
}