pkidlg.cpp

该程序能实现将数字签名嵌入到BMP图片中形成数字印章

// PKIDlg.cpp : implementation file
//

#include "stdafx.h"
#include "PKI.h"
#include "PKIDlg.h"
#include "SignDlg.h"
#include "VeriDlg.h"
//#include "Main1Dlg.h"
#include "DES1Dlg.h"
#include "AES1Dlg.h"
#include "SetDlg.h"
#define _WIN32_WINNT 0x0400
#include <windows.h>
#include <wincrypt.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()

/////////////////////////////////////////////////////////////////////////////
// CPKIDlg dialog

CPKIDlg::CPKIDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPKIDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPKIDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON1);
}

void CPKIDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPKIDlg)
	DDX_Control(pDX, IDC_STATICLOADPICTURE, mPicture);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPKIDlg, CDialog)
	//{{AFX_MSG_MAP(CPKIDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(IDC_ABOUT_MENU, OnAboutMenu)
	ON_BN_CLICKED(IDC_BUTTONDES, OnButtondes)
	ON_BN_CLICKED(IDC_BUTTONAES, OnButtonaes)
	ON_BN_CLICKED(IDC_BUTTONSIGN, OnButtonsign)
	ON_BN_CLICKED(IDC_BUTTONARCSIGN, OnButtonarcsign)
	ON_BN_CLICKED(IDC_BUTTON1, OnButtonLoadPicture)
	ON_BN_CLICKED(IDC_BUTTON2, OnButtonInsertMessage)
	ON_BN_CLICKED(IDC_BUTTON3, OnPick)
	ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
	ON_BN_CLICKED(IDC_BUTTON5, OnButton5)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPKIDlg message handlers

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

void CPKIDlg::OnAboutMenu() 
{
	// TODO: Add your command handler code here
	CAboutDlg dlg;
	dlg.DoModal();
}

void CPKIDlg::OnButtondes() //DES加密算法
{
	// TODO: Add your control notification handler code here
	CDialog::OnCancel();
	CDES1Dlg dlg;
	dlg.DoModal();
}

void CPKIDlg::OnButtonaes() //AES加密算法
{
	// TODO: Add your control notification handler code here
	CDialog::OnCancel();
	CAES1Dlg dlg;
	dlg.DoModal();
}

void CPKIDlg::OnButtonsign() //数字签名
{
	// TODO: Add your control notification handler code here
	CDialog::OnCancel();
	CSignDlg dlg;
	dlg.DoModal();
}

void CPKIDlg::OnButtonarcsign()  //数字签名认证
{
	// TODO: Add your control notification handler code here
	CDialog::OnCancel();
	CVeriDlg dlg;
	dlg.DoModal();
}

void CPKIDlg::OnButtonLoadPicture() 
{
	// TODO: Add your control notification handler code here
	static char szFilter[]="BMP Files(*.BMP)|*.BMP||";

	CFileDialog FileDlg(TRUE, NULL, NULL, 
		OFN_HIDEREADONLY, szFilter);

	if(FileDlg.DoModal() ==IDOK &&
		m_Dib.Load(FileDlg.GetPathName())){
		//InvalidateRect(NULL,TRUE);
	HBITMAP hbmp = (HBITMAP)::LoadImage(NULL, 
		FileDlg.GetPathName(),IMAGE_BITMAP,0,0,
		LR_CREATEDIBSECTION|LR_LOADFROMFILE); 
	mPicture.SetBitmap(hbmp);
		UpdateWindow();
		have_open_a_file=true;
		if (m_Dib.tag == 0)//该图无隐藏信息
		{
			//embed = true;
			//pick = false;  //菜单亮暗控制
			GetDlgItem(IDC_BUTTON3)->EnableWindow(false);
			GetDlgItem(IDC_BUTTON2)->EnableWindow(true);
		}//
		
		else
		{
			//embed = false;
			//pick = true;  //菜单亮暗控制
			AfxMessageBox("该文件已嵌入水印信息,请提取!!");
			GetDlgItem(IDC_BUTTON2)->EnableWindow(false);
			GetDlgItem(IDC_BUTTON3)->EnableWindow(true);
		}//

	}
}

void CPKIDlg::OnButtonInsertMessage() 
{
	// TODO: Add your control notification handler code here
	static char szFilter[] = "All Files(*.*)|*.*||";
    //aGetDlgItem(IDC_BUTTON2)->EnableWindow(false);
	CFileDialog FileDlg( TRUE, NULL, NULL,
		OFN_HIDEREADONLY, szFilter );

	if( FileDlg.DoModal() == IDOK &&
		m_Dib.LoadEmbFile( FileDlg.GetPathName() ) )
	{ 
		if (m_Dib.bitmap_size / m_Dib.embfile_size < 8)
		{
			AfxMessageBox("文件太大，无法嵌入！");
		}
		else
		{
			show_contrast = true;
			m_Dib.BackUpDib(); //图片原始数据备份供对比显示
			m_Dib.Embed();   //嵌入
			
			Invalidate(true);//刷屏，显示加入隐藏信息后的图像
			
			static char szFilter[] = "BMP Files(*.BMP)|*.BMP||";
			CFileDialog FileDlg( FALSE, "bmp", NULL,                //保存
				OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT, szFilter );
			
			if( FileDlg.DoModal() == IDOK )
			{
				m_Dib.Save( FileDlg.GetPathName() );
				
			}
			HBITMAP   hbmp = (HBITMAP)::LoadImage(NULL, FileDlg.GetPathName(),IMAGE_BITMAP,0,0,LR_CREATEDIBSECTION|LR_LOADFROMFILE); 
				//mSpic.SetBitmap(hbmp);
			//embed = false;
		}
	
	}


}

void CPKIDlg::OnPick() 
{
	// TODO: Add your control notification handler code here
	//提取完毕，弹出保存对话框，用户进行保存
	static char szFilter[] = "All Files(*.*)|*.*||";
	CFileDialog FileDlg( FALSE, "", NULL,                //保存
		OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT, szFilter );
				
	if (FileDlg.DoModal() == IDOK)
	{	
		m_Dib.Pick();
		m_Dib.SavePicked(FileDlg.GetPathName());
		pick = false;
	}
}

void CPKIDlg::OnButton4() 
{
	// TODO: Add your control notification handler code here
	CAboutDlg dlg;
	dlg.DoModal();
	
}

void CPKIDlg::OnButton5() 
{
	// TODO: Add your control notification handler code here
	
}