desdemodlg.cpp

DES查分攻击源代码

// DesDemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "DesDemo.h"
#include "DesDemoDlg.h"
#include "FileCryDlg.h"
#include "GaussRandom.h"
#include "VerifyDlg.h"

#include "Des.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()

/////////////////////////////////////////////////////////////////////////////
// CDesDemoDlg dialog

CDesDemoDlg::CDesDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDesDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDesDemoDlg)
	m_nCrackMode = 0;
	m_bLog = TRUE;
	m_CrackTimes = 0;
	m_nDesMode = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

	m_pszPlainText = NULL;
	m_pszCry = NULL;
	m_pszKey = NULL;
	m_nLength = 0;

	m_bCracking = FALSE;
	m_pCrackThread = NULL;

	ZeroMemory(&m_CrackThreadData,sizeof(m_CrackThreadData));
}

void CDesDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDesDemoDlg)
	DDX_Radio(pDX, IDC_RADIO1, m_nCrackMode);
	DDX_Check(pDX, IDC_CHECK_RECORDE, m_bLog);
	DDX_Text(pDX, IDC_EDIT_TIMES, m_CrackTimes);
	DDV_MinMaxUInt(pDX, m_CrackTimes, 0, 100);
	DDX_Radio(pDX, IDC_RADIO_ONE, m_nDesMode);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDesDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CDesDemoDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_ENC, OnButtonEnc)
	ON_BN_CLICKED(IDC_BUTTON_DECODE, OnButtonDecode)
	ON_BN_CLICKED(IDC_BUTTON_CRACK, OnButtonCrack)
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_BUTTON_FILECRY, OnButtonFilecry)
	ON_BN_CLICKED(IDC_RADIO1, OnRadio1)
	ON_BN_CLICKED(IDC_RADIO2, OnRadio2)
	ON_BN_CLICKED(IDC_BUTTON_BROWSE, OnButtonBrowse)
	ON_BN_CLICKED(IDC_BUTTON_VERIFY, OnButtonVerify)
	ON_BN_CLICKED(IDC_RADIO_ONE, OnRadioOne)
	ON_BN_CLICKED(IDC_RADIO_THREE, OnRadioThree)
	ON_BN_CLICKED(IDC_BUTTON_ABOUT, OnButtonAbout)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDesDemoDlg message handlers

BOOL CDesDemoDlg::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
	

	GetDlgItem(IDC_EDIT_CRACKFILE)->EnableWindow(FALSE);
	GetDlgItem(IDC_BUTTON_BROWSE)->EnableWindow(FALSE);	
	GetDlgItem(IDC_BUTTON_VERIFY)->EnableWindow(FALSE);	

	((CComboBox*)GetDlgItem(IDC_COMBO_ROUND))->SetCurSel(0);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CDesDemoDlg::OnButtonEnc() 
{
	int nLen = GetDlgItem(IDC_EDIT_PLAINTEXT)->GetWindowTextLength();
	while((nLen%8) != 0)
		nLen++;

	if(m_pszPlainText)
		delete []m_pszPlainText;
	if(m_pszCry)
		delete m_pszCry;
	if(m_pszKey)
		delete m_pszKey;

	m_pszPlainText = new TCHAR[nLen+1];
	m_pszCry = new TCHAR[nLen+1];
	m_pszKey = new TCHAR[9];
	m_nLength = nLen;
	memset(m_pszPlainText,0,nLen+1);
	memset(m_pszCry,0,nLen+1);

	GetDlgItem(IDC_EDIT_PLAINTEXT)->GetWindowText(m_pszPlainText,nLen+1);
	GetDlgItem(IDC_EDIT_KEY)->GetWindowText(m_pszKey,9);	

	int curSel = ((CComboBox*)GetDlgItem(IDC_COMBO_ROUND))->GetCurSel();
	CString sRound;
	((CComboBox*)GetDlgItem(IDC_COMBO_ROUND))->GetLBText(curSel,sRound);
	int nRound = 3;
	sscanf((LPTSTR)(LPCTSTR)sRound,"%d",&nRound);
	
	CDes des(nRound);	
	des.Encrypt(m_pszCry,m_pszPlainText,nLen,m_pszKey,8);	
	GetDlgItem(IDC_EDIT_CRY)->SetWindowText(m_pszCry);	
}

void CDesDemoDlg::OnButtonDecode() 
{
	if(m_nLength == 0)
		return ;
	TCHAR* szDest;
	
	szDest = new TCHAR[m_nLength+1];	
	memset(szDest,0,m_nLength+1);
	
	//GetDlgItem(IDC_EDIT_KEY)->GetWindowText(szKey,8+1);	

	int curSel = ((CComboBox*)GetDlgItem(IDC_COMBO_ROUND))->GetCurSel();
	CString sRound;
	((CComboBox*)GetDlgItem(IDC_COMBO_ROUND))->GetLBText(curSel,sRound);
	int nRound = 3;
	sscanf((LPTSTR)(LPCTSTR)sRound,"%d",&nRound);

	CDes des(nRound);	
	des.Decode(szDest,m_pszCry,m_nLength,m_pszKey,8);	
	GetDlgItem(IDC_EDIT_PLAINTEXT2)->SetWindowText(szDest);
	
	delete[] szDest;
}


void CDesDemoDlg::OnButtonCrack() 
{
	UpdateData(TRUE);

	if(m_bCracking == FALSE)
	{
		StartCrack();		
	}
	else 
	{
		m_CrackThreadData.bKill = TRUE;				
	}
}


void CDesDemoDlg::StartCrack()
{
	//m_CrackTheadData.szKeyOrg
	m_CrackThreadData.nCrackTimes = m_CrackTimes;
	m_CrackThreadData.pCrackWnd = this;
	m_CrackThreadData.bLogIt = m_bLog;
	m_CrackThreadData.bSuccess = FALSE;
	m_CrackThreadData.bKill = FALSE;
	
	m_bCracking = TRUE;
	GetDlgItem(IDC_BUTTON_CRACK)->SetWindowText("停止攻击");

	GetDlgItem(IDC_BUTTON_VERIFY)->EnableWindow(FALSE);		
	GetDlgItem(IDC_EDIT_KEYORG)->EnableWindow(FALSE);	
	GetDlgItem(IDC_RADIO1)->EnableWindow(FALSE);	
	GetDlgItem(IDC_EDIT_TIMES)->EnableWindow(FALSE);	
	GetDlgItem(IDC_SPIN1)->EnableWindow(FALSE);	
	GetDlgItem(IDC_CHECK_RECORDE)->EnableWindow(FALSE);	
	m_bCracking = TRUE;

	m_pCrackThread = AfxBeginThread(CrackProc,&m_CrackThreadData);
}
void CDesDemoDlg::EndCrack()
{
	GetDlgItem(IDC_BUTTON_VERIFY)->EnableWindow(TRUE);		
	GetDlgItem(IDC_EDIT_KEYORG)->EnableWindow(TRUE);	
	GetDlgItem(IDC_RADIO1)->EnableWindow(TRUE);	
	GetDlgItem(IDC_EDIT_TIMES)->EnableWindow(TRUE);	
	GetDlgItem(IDC_SPIN1)->EnableWindow(TRUE);	
	GetDlgItem(IDC_CHECK_RECORDE)->EnableWindow(TRUE);	

	GetDlgItem(IDC_BUTTON_CRACK)->SetWindowText("攻击");

	if(m_CrackThreadData.bSuccess)
	{
		char cKey[9];
		memcpy(cKey,m_CrackThreadData.szKeyCracked,8);
		cKey[8] = '\0';
		GetDlgItem(IDC_EDIT_KEYCRACKED)->SetWindowText(cKey);//m_CrackThreadData.szKeyCracked);			
	}
	else
	{
		GetDlgItem(IDC_BUTTON_VERIFY)->EnableWindow(TRUE);		
		AfxMessageBox("攻击失败!");
	}

	m_pCrackThread = NULL;
	m_bCracking = FALSE;
}

void CDesDemoDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	
	if(m_pCrackThread)
	{
		DWORD dwRet = WaitForSingleObject(m_pCrackThread->m_hThread,500);
		if(dwRet == WAIT_TIMEOUT)
			TerminateThread(m_pCrackThread->m_hThread,0);
	}
	if(m_pszPlainText)
		delete []m_pszPlainText;
	if(m_pszCry)
		delete m_pszCry;
	if(m_pszKey)
		delete m_pszKey;	
}

void CDesDemoDlg::OnButtonFilecry() 
{
	CFileCryDlg dlg;
	dlg.DoModal();
}

void CDesDemoDlg::OnRadio1() 
{
	GetDlgItem(IDC_EDIT_CRACKFILE)->EnableWindow(FALSE);
	GetDlgItem(IDC_BUTTON_BROWSE)->EnableWindow(FALSE);	
}

void CDesDemoDlg::OnRadio2() 
{
	GetDlgItem(IDC_EDIT_CRACKFILE)->EnableWindow(TRUE);
	GetDlgItem(IDC_BUTTON_BROWSE)->EnableWindow(TRUE);	
}

BOOL CDesDemoDlg::GenerateCrackFile() 
{	
	if(GetDlgItem(IDC_EDIT_KEYORG)->GetWindowTextLength() == 0)
	{
		AfxMessageBox("请输入密钥！");
		return FALSE;
	}
	char szKey[9];	
	GetDlgItem(IDC_EDIT_KEYORG)->GetWindowText(szKey,9);
	if(m_nCrackMode == 0)
	{		
		m_difCrack.GenerateCrackData(25,szKey,8);	
		GetDlgItem(IDC_BUTTON_CRACK)->EnableWindow(TRUE);
	}
	else 
	{
		FILE* fileSrc = NULL,*fileDest =NULL;		
		CString strSrc,strDest;
		GetDlgItem(IDC_EDIT_CRACKFILE)->GetWindowText(strSrc);
		strDest = "crackdata.dat";
		try
		{
			char szSrc[64];
			char szDest[64];
			CDes des(3);
						
			fileSrc = fopen(strSrc,"r");
			if(!fileSrc)
			{
				CString str = "打开文件：";
				str +=strSrc;				
				AfxMessageBox(str);
			}
			fileDest = fopen(strDest,"w+");
			if(!fileDest)
			{
				CString str = "打开文件：";
				str +=strDest;				
				AfxMessageBox(str);
			}
			while(!feof(fileSrc))
			{				
				unsigned int nRead = fread(szSrc,sizeof(char),64,fileSrc);
				if(nRead == 0)
					break;
				if((nRead<64)&&(nRead>0))
					memset(szSrc+nRead,0,64-nRead);
				
				des.Encrypt(szDest,szSrc,64,szKey,8);
				fwrite(szSrc,sizeof(char),64,fileDest);
				fwrite(szDest,sizeof(char),64,fileDest);
			}
			fclose(fileSrc);
			fclose(fileDest);
			
			GetDlgItem(IDC_BUTTON_CRACK)->EnableWindow(TRUE);
		
		}
		catch(char* pE)
		{
			if(fileSrc)
				fclose(fileSrc);
			if(fileDest)
				fclose(fileDest);
			AfxMessageBox(pE);
			return FALSE;
		}
	}
	return TRUE;
}

void CDesDemoDlg::OnButtonBrowse() 
{
	CFileDialog file(TRUE,NULL,NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
		"All Files (*.*)|*.*||",NULL); 
	if(file.DoModal() == IDOK)
	{
		CString strFile = file.GetPathName();
		GetDlgItem(IDC_EDIT_CRACKFILE)->SetWindowText(strFile);
	}	
}

void CDesDemoDlg::OnButtonVerify() 
{
	CVerifyDlg dlg;	
	GetDlgItem(IDC_EDIT_KEYORG)->GetWindowText(dlg.m_cOrgKey,9);
	GetDlgItem(IDC_EDIT_KEYCRACKED)->GetWindowText(dlg.m_cCrackKey,9);
	dlg.DoModal();
}
UINT CDesDemoDlg::CrackProc(LPVOID pData)
{
	CrackThreadData* pCrackData = (CrackThreadData*)pData;
	CDesDemoDlg* pDlg = (CDesDemoDlg*)pCrackData->pCrackWnd;
	CDifCrack difCrack;
	difCrack.LogIt(pCrackData->bLogIt);
	if(pDlg->m_nCrackMode == 0)
	{
		char chKey[8];
		int nLen = 0;
		int nTimes = 0;
		bool bGetIt = false;		
		while(1)
		{
			if(pCrackData->bKill)
				break;

			if(pCrackData->nCrackTimes > 0)
				nTimes++;
			pDlg->GenerateCrackFile();
			if(difCrack.ReadCrackData())
				difCrack.CrackIt();
			if(difCrack.GetKey(chKey,nLen,3))//破解成功
			{
				bGetIt = true;
				break;
			}
			else 
			{
				if((pCrackData->nCrackTimes > 0)&&(nTimes >= pCrackData->nCrackTimes))
					break;
				else 
					continue;
			}						
		}
		if(bGetIt)
		{
			memcpy(pCrackData->szKeyCracked,chKey,8);
			pCrackData->bSuccess = TRUE;
		}
		else pCrackData->bSuccess = FALSE;
	}
	else 
	{
		if(pDlg->GenerateCrackFile() == FALSE)
		{
			pCrackData->bSuccess = FALSE;
			return 0L;
		}
		if(difCrack.ReadCrackData())
			difCrack.CrackIt();
		char chKey[8];
		int nLen = 0;
		pCrackData->bSuccess = difCrack.GetKey(chKey,nLen,3);

		if(pCrackData->bSuccess)
			memcpy(pCrackData->szKeyCracked,chKey,8);	
	}

	pDlg->EndCrack();
	return 0L;
}

void CDesDemoDlg::OnRadioOne() 
{	
	GetDlgItem(IDC_COMBO_ROUND)->EnableWindow(TRUE);
}

void CDesDemoDlg::OnRadioThree() 
{
	GetDlgItem(IDC_COMBO_ROUND)->EnableWindow(FALSE);	
}

void CDesDemoDlg::OnButtonAbout() 
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
	
}