descdlg.cpp

DES算法演示

// descDlg.cpp : implementation file
//

#pragma comment(lib，"DES.lib");
#pragma comment(lib，"KEY.lib");
extern "C" _declspec(dllexport) void des_ky(void *kval, void *key); 
extern "C" _declspec(dllexport) void des_ec(const void *i_blk, void *o_blk, void *key);
extern "C" _declspec(dllexport) void des_dc(const void *i_blk, void *o_blk, void *key);
extern "C" _declspec(dllexport) void des_ecX(const void *i_blk, void *o_blk, void *key, int index,unsigned long &ll0,unsigned long &ll1);
extern "C" _declspec(dllexport) void des_ecm(const void *i_blk, void *o_blk, void *key);

#include "stdafx.h"
#include "desc.h"
#include "descDlg.h"
#include "des.c"
#include "key.c"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif



byte Mykey[1024];
/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CDescDlg dialog

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

void CDescDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDescDlg)
	DDX_Text(pDX, IDC_EDIT1, m_csPlaintext);
	DDV_MaxChars(pDX, m_csPlaintext, 8);
	DDX_Text(pDX, IDC_EDIT2, m_csPassword);
	DDV_MaxChars(pDX, m_csPassword, 8);
	DDX_Text(pDX, IDC_EDIT3, m_csPaintextBin);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDescDlg, CDialog)
	//{{AFX_MSG_MAP(CDescDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
	ON_BN_CLICKED(IDC_BUTTON5, OnButton5)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_BN_CLICKED(IDC_BUTTON6, OnButton6)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDescDlg message handlers

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

void CDescDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	CDialog::OnOK();
}

void CDescDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

//＝＝》
void CDescDlg::OnButton4() 
{
	 UpdateData();
	 char s[69]={0};
	 memcpy(s, m_csPlaintext, 8);
	 unsigned long l0, l1;
	 memcpy(&l0, s, 4);
	 memcpy(&l1, s + 4, 4);

	 sprintf(s, "%08X %08X", l0, l1);
	 SetDlgItemText(IDC_EDIT3, s);


	
}
//<<==
void CDescDlg::OnButton5() 
{
	unsigned long l0,l1;
	char s[69]={0};
	GetDlgItemText(IDC_EDIT6, s, 19);
	sscanf(s, "%08X %08X", &l0, &l1);
	memcpy(s,&l0, 4);
	memcpy(s+4,&l1, 4);
	s[8]=0;
	SetDlgItemText(IDC_EDIT8, s);
	


	
}

//ip
void CDescDlg::OnButton1() 
{
	UpdateData();
	char sOut[1024]={0};
	unsigned long l0,l1;

	des_ky(m_csPassword.GetBuffer(m_csPassword.GetLength()),Mykey);
	des_ecX(m_csPlaintext.GetBuffer(8), 
		sOut, Mykey, 
		0,l0,l1);
	 char s[69]={0};
	 sprintf(s, "%08X %08X", l0, l1);
	 SetDlgItemText(IDC_EDIT4, s);




}


//16roand
void CDescDlg::OnButton2() 
{

	UpdateData();
	char sOut[1024]={0};
	unsigned long l0,l1;

	des_ky(m_csPassword.GetBuffer(m_csPassword.GetLength()),Mykey);
	des_ecX(m_csPlaintext.GetBuffer(8), 
		sOut, Mykey, 
		0,l0,l1);
	 char s[69]={0};
	 sprintf(s, "%08X %08X", l0, l1);
	 SetDlgItemText(IDC_EDIT4, s);
	

	 CString str="";
	 for(int i=1;i<=16;i++)
	 {
		 des_ecX(m_csPlaintext.GetBuffer(8), 
			 sOut, Mykey, 
			 i,l0,l1);
		 char s[69]={0};
		 sprintf(s, "%08X %08X\r\n", l0, l1);
		 str += s;
		 SetDlgItemText(IDC_EDIT5, str);
		 UpdateData(0);
		 MessageBox(s, "完成一轮计算",0);
	 }

}

//fp
void CDescDlg::OnButton3() 
{
	UpdateData();
	char sOut[1024]={0};
	unsigned long l0,l1;

	des_ky(m_csPassword.GetBuffer(m_csPassword.GetLength()),Mykey);
	des_ecX(m_csPlaintext.GetBuffer(8), 
		sOut, Mykey, 
		17,l0,l1);
	 char s[69]={0};
	 sprintf(s, "%08X %08X", l0, l1);
	 SetDlgItemText(IDC_EDIT6, s);
		
}

//jiemi
void CDescDlg::OnButton6() 
{
	UpdateData();
	char sOut[1024]={0};

	des_ky(m_csPassword.GetBuffer(m_csPassword.GetLength()),Mykey);


	unsigned long l0,l1;
	char s[69]={0};
	GetDlgItemText(IDC_EDIT6, s, 19);
	sscanf(s, "%08X %08X", &l0, &l1);
	memcpy(s,&l0, 4);
	memcpy(s+4,&l1, 4);
	s[8]=0;


	des_dc(s, sOut, Mykey);
	sOut[8]=0;
	SetDlgItemText(IDC_EDIT9, sOut);
	
}