keycheckdlg.cpp

书籍《磁盘数据安全技术与编程实例》-郑平泰-源代码

// KeyCheckDlg.cpp : implementation file
//
extern "C"
{
#include "miracl.h"
#include "mirdef.h"
}

#pragma comment( lib, "ms32.lib" ) 

#include "stdafx.h"
#include "KeyCheck.h"
#include "KeyCheckDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CKeyCheckDlg dialog

CKeyCheckDlg::CKeyCheckDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CKeyCheckDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CKeyCheckDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CKeyCheckDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CKeyCheckDlg)
	DDX_Control(pDX, IDC_SN, m_sn);
	DDX_Control(pDX, IDC_NAME, m_name);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CKeyCheckDlg, CDialog)
	//{{AFX_MSG_MAP(CKeyCheckDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_REG, OnReg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CKeyCheckDlg message handlers

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

void CKeyCheckDlg::OnReg() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	
	miracl *mip=mirsys(100,0);
	mip->IOBASE=16;	//16进制模式
	//定义并初始化变量
	big m=mirvar(0);	//m 放明文：注册码SN
	big c=mirvar(0);	//c 放密文：用户名Name
	big n=mirvar(0);	//n 模数
	big e=mirvar(0);	//e 公钥
	TCHAR Name[256]={0};
	TCHAR SN[256]={0};
	TCHAR temp[256]={0};
	int len=0;
	int i,j;
	//获取Name
	len=m_name.GetWindowTextLength ();
	m_name.GetWindowText (Name,len+1);
	//获取SN
	len=m_sn.GetWindowTextLength ();
	m_sn.GetWindowText (SN,len+1);
	//检查SN是否为16进制
	for (i=0,j=0;i<len;i++)
	{
		if(isxdigit(SN[i])==0)
		{
			j=1;
			break;
		}
	}
	//如果输入的SN为16进制且长度不为0
	if (j!=1&&len!=0)
	{
		cinstr(m,SN);									//初始化明文m
		cinstr(n,"963251DC5A9C90D9F203A03C363BA411");	//初始化模数n	 
		cinstr(e,"10001");								//初始化公钥e
		//当m<n时
		if(compare(m,n)==-1)
		{
			powmod(m,e,n,c);//计算c=m^e mod n
			big_to_bytes(256,c,temp,FALSE);//将c转换成数组写入temp
			//释放内存
			mirkill(m);
			mirkill(c);
			mirkill(n);
			mirkill(e);
			mirexit();
		}
		else
			j=1;
	}
	//对Name、temp， m、n， SN的长度进行检查
	if(lstrcmp(Name,temp)!=0||j==1||len==0)
		MessageBox("Please check your NAME and SN, then try again.","RSA Application");
	else
		MessageBox("恭喜!!!","注册完毕!");
	
	UpdateData(FALSE);	
}