desdlg.cpp

使用DES算法；可以指定使用DES、2DES或者3DES算法；可以对任意的文件进行加密和解密

// desDlg.cpp : implementation file
//
#include "stdafx.h"
#include "des.h"
#include "desDlg.h"
#include "DES1.h"
#include "iostream.h"
#include "stdlib.h"
#include "fstream.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()

/////////////////////////////////////////////////////////////////////////////
// CDesDlg dialog

CDesDlg::CDesDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDesDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDesDlg)
	m_miyao = _T("");
	m_miwen = _T("");
	m_mingwen = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDesDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDesDlg)
	DDX_Text(pDX, IDC_miyao, m_miyao);
	DDX_Text(pDX, IDC_miwen, m_miwen);
	DDX_Text(pDX, IDC_mingwen, m_mingwen);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDesDlg, CDialog)
	//{{AFX_MSG_MAP(CDesDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_1des, On1des)
	ON_EN_CHANGE(IDC_miyao, OnChangemiyao)
	ON_EN_CHANGE(IDC_mingwen, OnChangemingwen)
	ON_EN_CHANGE(IDC_miwen, OnChangemiwen)
	ON_BN_CLICKED(IDC_1des2, Onjiemi)
	ON_BN_CLICKED(IDC_2des, On2des)
	ON_BN_CLICKED(IDC_2des2, Onjiemi2)
	ON_BN_CLICKED(IDC_3des, On3des)
	ON_BN_CLICKED(IDC_3des2, Onjiemi3)
	ON_BN_CLICKED(IDC_cbc, Oncbc)
	ON_BN_CLICKED(IDC_cfb, Oncfb)
	ON_BN_CLICKED(IDC_cbc2, OnJ_cbc)
	ON_BN_CLICKED(IDC_cfb2, OnJ_cfb)
	ON_BN_CLICKED(IDC_ofb, Onofb)
	ON_BN_CLICKED(IDC_ofb2, OnJ_ofb)
	ON_BN_CLICKED(IDC_ctr2, OnJ_ctr)
	ON_BN_CLICKED(IDC_ctr, Onctr)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDesDlg message handlers

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

void CDesDlg::On1des() 
{       int flag=1;
        OnChangemiyao() ;     //密钥
		char inbuff[10000];   //输入  
		char oubuff[10000];   //输出 
		int length;
		CFile  file;		
			file.Open ("mingwen.txt",CFile::modeRead );
			length=file.GetLength();
			file.Read(inbuff,length);
			file.Close();
			DES jm;  //实例化加密类，得到对象jm
			jm.Des_Go(oubuff, inbuff, length, skey, 8, ENCRYPT,flag);
			if(file.Open("miwen.txt",CFile::modeCreate | CFile::modeWrite))
			{
				file.Write(oubuff,length);
				file.Close();
			}

}



void CDesDlg::OnChangemiyao() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	(CString)skey=m_miyao;
	//return skey;
	// TODO: Add your control notification handler code here
	
}

void CDesDlg::OnChangemingwen() 
{
	//char *ch;
	(CString)mingwen=m_mingwen;
	//return ch;
//	infile(ch,ios::in|ios::nocreate);
	
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	
}

void CDesDlg::OnChangemiwen() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	//char *ch;
	UpdateData(TRUE);
	(CString)miwen=m_miwen;
	UpdateData(FALSE);
	//return ch;
//	outfile(ch);
	// TODO: Add your control notification handler code here
	
}

void CDesDlg::Onjiemi() 
{
	// TODO: Add your control notification handler code here
        int	flag=1;
   	    OnChangemiyao();      //密钥
		char inbuff[10000];   //输入  
		char oubuff[10000];   //输出 
		int length;
		CFile  file;
        	file.Open ("miwen.txt",CFile::modeRead );
			length=file.GetLength();
			file.Read(inbuff,length);
			file.Close();
		  	DES jm;     
			jm.Des_Go(oubuff, inbuff, length, skey, 8, DECRYPT,flag); //解密操作
			if(file.Open("jiemi.txt",CFile::modeCreate | CFile::modeWrite))
			{
				file.Write(oubuff,length);
				file.Close();
			}
	
}

void CDesDlg::On2des() 
{
	// TODO: Add your control notification handler code here

	   int flag=2;
        OnChangemiyao() ;     //密钥
		char inbuff[10000];   //输入  
		char oubuff[10000];   //输出 
		int length;
		CFile  file;		
			file.Open ("mingwen.txt",CFile::modeRead );
			length=file.GetLength();
			file.Read(inbuff,length);
			file.Close();
			DES jm;  //实例化加密类，得到对象jm
			jm.Des_jiemiGo(oubuff, inbuff, length, skey, 8, ENCRYPT,flag);
			if(file.Open("miwen.txt",CFile::modeCreate | CFile::modeWrite))
			{
				file.Write(oubuff,length);
				file.Close();
			}

	
}

void CDesDlg::Onjiemi2() 
{
	// TODO: Add your control notification handler code here
		int	flag=2;
   	    OnChangemiyao();      //密钥
		char inbuff[10000];   //输入  
		char oubuff[10000];   //输出 
		int length;
		CFile  file;
        	file.Open ("miwen.txt",CFile::modeRead );
			length=file.GetLength();
			file.Read(inbuff,length);
			file.Close();
		  	DES jm;     
			jm.Des_jiemiGo(oubuff, inbuff, length, skey, 8, DECRYPT,flag); //解密操作
			if(file.Open("jiemi.txt",CFile::modeCreate | CFile::modeWrite))
			{
				file.Write(oubuff,length);
				file.Close();
			}
	
}

void CDesDlg::On3des() 
{
	// TODO: Add your control notification handler code here
	   int flag=3;
        OnChangemiyao() ;     //密钥
		char inbuff[10000];   //输入  
		char oubuff[10000];   //输出 
		int length;
		CFile  file;		
			file.Open ("mingwen.txt",CFile::modeRead );
			length=file.GetLength();
			file.Read(inbuff,length);
			file.Close();
			DES jm;  //实例化加密类，得到对象jm
			jm.Des_Go(oubuff, inbuff, length, skey, 8, ENCRYPT,flag);
			if(file.Open("miwen.txt",CFile::modeCreate | CFile::modeWrite))
			{
				file.Write(oubuff,length);
				file.Close();
			}

	
}

void CDesDlg::Onjiemi3() 
{
	// TODO: Add your control notification handler code here
	int	flag=3;
   	    OnChangemiyao();      //密钥
		char inbuff[10000];   //输入  
		char oubuff[10000];   //输出 
		int length;
		CFile  file;
        	file.Open ("miwen.txt",CFile::modeRead );
			length=file.GetLength();
			file.Read(inbuff,length);
			file.Close();
		  	DES jm;     
			jm.Des_Go(oubuff, inbuff, length, skey, 8, DECRYPT,flag); //解密操作
			if(file.Open("jiemi.txt",CFile::modeCreate | CFile::modeWrite))
			{
				file.Write(oubuff,length);
				file.Close();
			}
	
}
void Xor(bool *InA, const bool *InB, int len)
{
    for(int i=0; i<len; ++i)
        InA[i] ^= InB[i];
}