mysoft.cpp

一种利用硬盘序列号对自开发软件的简单且有效的加密注册方法

// MySoft.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "MySoft.h"

#include "MainFrm.h"
#include "MySoftDoc.h"
#include "MySoftView.h"

#include "DlgRegister.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMySoftApp

BEGIN_MESSAGE_MAP(CMySoftApp, CWinApp)
	//{{AFX_MSG_MAP(CMySoftApp)
	ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
	// Standard file based document commands
	ON_COMMAND(ID_FILE_NEW, CWinApp::OnFileNew)
	ON_COMMAND(ID_FILE_OPEN, CWinApp::OnFileOpen)
	// Standard print setup command
	ON_COMMAND(ID_FILE_PRINT_SETUP, CWinApp::OnFilePrintSetup)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMySoftApp construction

CMySoftApp::CMySoftApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CMySoftApp object

CMySoftApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMySoftApp initialization

BOOL CMySoftApp::InitInstance()
{
	AfxEnableControlContainer();

	if(!IsRegisterOK())
		return FALSE;

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	// Change the registry key under which our settings are stored.
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization.
	SetRegistryKey(_T("Local AppWizard-Generated Applications"));

	LoadStdProfileSettings();  // Load standard INI file options (including MRU)

	// Register the application's document templates.  Document templates
	//  serve as the connection between documents, frame windows and views.

	CSingleDocTemplate* pDocTemplate;
	pDocTemplate = new CSingleDocTemplate(
		IDR_MAINFRAME,
		RUNTIME_CLASS(CMySoftDoc),
		RUNTIME_CLASS(CMainFrame),       // main SDI frame window
		RUNTIME_CLASS(CMySoftView));
	AddDocTemplate(pDocTemplate);

	// Parse command line for standard shell commands, DDE, file open
	CCommandLineInfo cmdInfo;
	ParseCommandLine(cmdInfo);

	// Dispatch commands specified on the command line
	if (!ProcessShellCommand(cmdInfo))
		return FALSE;

	// The one and only window has been initialized, so show and update it.
	m_pMainWnd->ShowWindow(SW_SHOW);
	m_pMainWnd->UpdateWindow();

	return TRUE;
}


/////////////////////////////////////////////////////////////////////////////
// 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)
		// No message handlers
	//}}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()

// App command to run the dialog
void CMySoftApp::OnAppAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}

/////////////////////////////////////////////////////////////////////////////
// CMySoftApp message handlers

BOOL CMySoftApp::IsRegisterOK() 
{
    DWORD dwVolumeSerialNumber,dwUserID,dwDecodeNumber; 
	DWORD dwMask=87654321;  //运算子，随便设定
	DWORD dwKey=0x20080808;  //密钥码，设成自己好记、别人不知的

	CString strUserID,strRegCode;
	char str[200];
	int str_len=200;

	// 将硬盘序列号与运算子异或后做为用户号
    ::GetVolumeInformation("C:\\",NULL,NULL,&dwVolumeSerialNumber,NULL,NULL,NULL,NULL);  
	dwUserID=dwVolumeSerialNumber^dwMask;  
	strUserID.Format("%8d",dwUserID);

	// 正确的注册码应为16进制形式=(10进制的dwUserID转16进制后)^(16进制的密钥码)
	// 开发者可利用科学型计算器，根据用户报知的用户号直接算出注册码返回给用户

    // 先直接从操作系统的win.ini读取注册码
    if( ::GetProfileString("MySoft","RegCode","",str,str_len)!=0 )
    {
        strRegCode=str;
		
		// 验证注册码
		dwDecodeNumber=strtoul(strRegCode,NULL,16);  
        dwDecodeNumber^=dwKey;  //解密钥
		dwDecodeNumber^=dwMask;  //还原硬盘序列号
		if(dwDecodeNumber==dwVolumeSerialNumber)  //注册成功
	    	return TRUE;
	}

    // 如果上面读取的注册码不对或没有，再通过对话框取注册码
	for(;;)
	{
		CDlgRegister dlg;
		dlg.m_strUserID=strUserID;

		if(dlg.DoModal()==IDOK)
		{
			strRegCode=dlg.m_strRegCode;
			delete dlg;

			// 验证注册码
			dwDecodeNumber=strtoul(strRegCode,NULL,16);  
            dwDecodeNumber^=dwKey;  //解密钥
			dwDecodeNumber^=dwMask;  //还原硬盘序列号
			if(dwDecodeNumber==dwVolumeSerialNumber)  //注册成功
			{
				// 将通过的注册信息保存到操作系统的win.ini，以备以后直接读取
				::WriteProfileString("MySoft","UserID",strUserID);
				::WriteProfileString("MySoft","RegCode",strRegCode);

	    		return TRUE;
			}
     		else
			    AfxMessageBox("注册码错误！ 请重试输入或向开发者索取本机注册码！");
		}
		else
        {
			delete dlg;
			break; 		
		}
	}

    return FALSE;  //注册失败
}