加密dlg.cpp

加解密算法可视化程序

// 加密Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "加密.h"
#include "加密Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyDlg)
	m_taxt = _T("");
	m_pawtaxt = _T("");
	m_k = 0;
	m_pawk1 = 0;
	m_pawk2 = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDlg)
	DDX_Text(pDX, IDC_TAXT, m_taxt);
	DDX_Text(pDX, IDC_PAWTAXT, m_pawtaxt);
	DDX_Text(pDX, IDC_K, m_k);
	DDX_Text(pDX, IDC_PAW1, m_pawk1);
	DDX_Text(pDX, IDC_PAW2, m_pawk2);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
	//{{AFX_MSG_MAP(CMyDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ADD, OnAdd)
	ON_BN_CLICKED(IDC_DEL, OnDel)
	ON_BN_CLICKED(IDC_CLS, OnCls)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers

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

void CMyDlg::OnAdd() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	if(!m_taxt.IsEmpty())
	{
		//MessageBox("明文-->密文","提示",MB_OK|MB_ICONINFORMATION);
		//m_pawtaxt=m_taxt;
		m_pawtaxt = "";
		for(int i=0;i<m_taxt.GetLength();i++)
		{
			ah=m_taxt.GetAt(i);
			if(ah<=255-m_k)
				bh=ah+m_k;
			else
				bh=(ah+m_k)-256;
			m_pawtaxt+=bh;
		}
		UpdateData(FALSE);
	}
	else
	{
		MessageBox("请填写明文","提示",MB_OK|MB_ICONINFORMATION);
		GetDlgItem(IDC_TAXT)->SetFocus();
	}
}

void CMyDlg::OnDel() 
{
	// TODO: Add your control notification handler code here
	CString strtaxt,strenter;
	UpdateData();
	if(!m_pawtaxt.IsEmpty())
	{
		//MessageBox("密文-->明文","提示",MB_OK|MB_ICONINFORMATION);
		m_taxt="";
		for(int k=m_pawk1;k<=m_pawk2;k++)
		{
			strtaxt.Format("当K=%d时,明文为: ",k);
			strenter.Format("\r\n");
			m_taxt+=strtaxt;
			for(int i=0;i<m_pawtaxt.GetLength();i++)
			{
				ah=m_pawtaxt.GetAt(i);
				if(ah<=k)
					bh=ah+256-k;
				else
					bh=ah-k;
				m_taxt+=bh;
			}
			m_taxt+=strenter;
			UpdateData(FALSE);
		}
	}
	else
	{
		MessageBox("请填写密文","提示",MB_OK|MB_ICONINFORMATION);
		GetDlgItem(IDC_PAWTAXT)->SetFocus();
	}
}

void CMyDlg::OnCls() 
{
	// TODO: Add your control notification handler code here
	m_taxt = "";
	m_pawtaxt = "";
	UpdateData(FALSE);
}