chaogedlg.cpp

编写一个电子签名的小程序

// chaogeDlg.cpp : implementation file
//

#include "stdafx.h"
#include "chaoge.h"
#include "chaogeDlg.h"
#include "afxwin.h"


#include <windows.h>
#include <windowsx.h>
#include <commctrl.h>
#include <tchar.h>
#include <string.h>
#include <process.h>
#include <stdlib.h>


#include "fileopen.h"
#include "libFile.h"
#include "libRSA.h"


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


extern void SHA1_Compute(unsigned char *pucInData,unsigned int uiInLen,unsigned char *pucDigest);
extern TCHAR szFileName[256],szTitleName[256];
CString csSignFileBuff;


int  iSignFileLen;
ULONG  	ulBeginAddr,ulEndAddr,ulSignAddr,ulCmpLen,ulLen;



#define BIF_NEWDIALOGSTYLE     0x0040
#define BIF_USENEWUI           (BIF_NEWDIALOGSTYLE | BIF_EDITBOX)




/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CChaogeDlg dialog

CChaogeDlg::CChaogeDlg(CWnd* pParent /*=NULL*/)
: CDialog(CChaogeDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChaogeDlg)
	m_strCurPath = _T("");
	m_BeginAdd = _T("0000");
	m_EndAdd = _T("FFFF");
	m_InsertAdd = _T("0000");
	m_Sha1Data = _T("");
	m_SignData = _T("");
	m_RSAData = _T("");
	m_Mod = _T("CDEDA3CEEC6CFDAC18FC835115A558E7487F5C01A1627A9659A6EDB8E9C78513D4359F5F745D7CFED594CFD5A5C8E4B2E0356557F2E088E2BDEEB709CBAD563F817AC2D5F3427AEC4B2083233AB274BCB2B3B98E8C894762AFE4ED95B718F682E2BF4EFFB1E0A3F17DF37C5F0F54FF55AE71F25504E3BC54EBFEFA8DC11EA9AA");
	m_Key = _T("010001");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON1);
}

void CChaogeDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChaogeDlg)
	DDX_Text(pDX, IDC_EDIT1_FILEADDR, m_strCurPath);//文件路径
	DDX_Text(pDX, IDC_EDIT3_BEGINADD, m_BeginAdd);	//签名起始地址
	DDV_MaxChars(pDX, m_BeginAdd, 4);
	DDX_Text(pDX, IDC_EDIT4_ENDADD, m_EndAdd);		//签名终止地址
	DDV_MaxChars(pDX, m_EndAdd, 4);
	DDX_Text(pDX, IDC_EDIT5_INSERTADD, m_InsertAdd);//签名地址
	DDV_MaxChars(pDX, m_InsertAdd, 4);
	DDX_Text(pDX, IDC_EDIT6_SHA1, m_Sha1Data);
	DDV_MaxChars(pDX, m_Sha1Data, 42);
	DDX_Text(pDX, IDC_EDIT7_SIGN, m_SignData);
	DDX_Text(pDX, IDC_EDIT10_RSADATA, m_RSAData);
	DDV_MaxChars(pDX, m_RSAData, 260);
	DDX_Text(pDX, IDC_EDIT8_MOD, m_Mod);
	DDV_MaxChars(pDX, m_Mod, 1024);
	DDX_Text(pDX, IDC_EDIT9_KEY, m_Key);
	DDV_MaxChars(pDX, m_Key, 1024);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CChaogeDlg, CDialog)
//{{AFX_MSG_MAP(CChaogeDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_OPENFILE, 			OnButtonOpenfile)
	ON_BN_CLICKED(IDC_BUTTON_EXIT, 				OnButtonExit)
	ON_BN_CLICKED(IDC_BUTTON_COMPUTECHECK, 		OnButtonComputecheck)
	ON_BN_CLICKED(IDC_BUTTON_CREATESIGNFILE, 	OnButtonCreatesignfile)
	ON_BN_CLICKED(IDC_BUTTON_CLEAR, OnButtonClear)
	ON_BN_CLICKED(IDC_BUTTON_RSA, OnButtonRsa)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChaogeDlg message handlers

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



int CChaogeDlg::SelectFolder(HWND hWnd,CString& strFolder)
{
    strFolder.Empty(); 
    LPMALLOC lpMalloc; 
    if (::SHGetMalloc(&lpMalloc) != NOERROR)
		return 0; 
    char szDisplayName[_MAX_PATH];
    char szBuffer[_MAX_PATH]; 
    BROWSEINFO browseInfo; 
    browseInfo.hwndOwner = hWnd; 
    browseInfo.pidlRoot = NULL; // set root at Desktop
    browseInfo.pszDisplayName = szDisplayName; 
    browseInfo.lpszTitle = "选择一个文件夹";
    browseInfo.ulFlags = BIF_USENEWUI;
    browseInfo.lpfn = NULL; 
    browseInfo.lParam = 0; 
    LPITEMIDLIST lpItemIDList;
    if ((lpItemIDList = ::SHBrowseForFolder(&browseInfo)) != NULL)
    {
        // Get the path of the selected folder from the item ID list.
        if (::SHGetPathFromIDList(lpItemIDList, szBuffer)) 
        {  // At this point, szBuffer contains the path the user chose. 
			if (szBuffer[0] == '\0') 
				return 0;
			// We have a path in szBuffer! Return it. 
			strFolder = szBuffer; 
			return 1; 
        } 
		else
			return 1; // strResult is empty 
        lpMalloc->Free(lpItemIDList);
        lpMalloc->Release();
    } 
    return 1;
}

/*------------------------------------------------------------------*/
/*  日期：      2008-6-5                                            */
/*                                                                  */
/*  用途与描述：选择文件夹,获得文件夹的路径                         */
/*------------------------------------------------------------------*/
void CChaogeDlg::OnButtonDirbrowser() 
{
    // TODO: Add your control notification handler code here
    static char displayname[MAX_PATH];
    static char path[MAX_PATH];
	
    LPITEMIDLIST pidlBrowse;    // PIDL selected by user 
    BROWSEINFO bi;