jiamijiemidlg.cpp

Rijndael.rar:经VS2005调试的WIN32平台下的MFC应用程序

// jiamijiemiDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "jiamijiemi.h"
#include "jiamijiemiDlg.h"
#include "Rijndael.h"

//#pragma comment(lib,"Vfw32.lib")
//mscorlib.dll

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// 对话框数据
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 实现
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// CjiamijiemiDlg 对话框




CjiamijiemiDlg::CjiamijiemiDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CjiamijiemiDlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CjiamijiemiDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CjiamijiemiDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_BT_Select, &CjiamijiemiDlg::OnBnClickedBtSelect)
	ON_BN_CLICKED(IDC_BT_jiami, &CjiamijiemiDlg::OnBnClickedBtjiami)
	ON_BN_CLICKED(IDC_BT_jiemi, &CjiamijiemiDlg::OnBnClickedBtjiemi)
	ON_BN_CLICKED(IDC_BT_Selectjie, &CjiamijiemiDlg::OnBnClickedBtSelectjie)
END_MESSAGE_MAP()


// CjiamijiemiDlg 消息处理程序
rijndael rij;

BOOL CjiamijiemiDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 将“关于...”菜单项添加到系统菜单中。

	// IDM_ABOUTBOX 必须在系统命令范围内。
	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);
		}
	}

	// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
	//  执行此操作
	SetIcon(m_hIcon, TRUE);			// 设置大图标
	SetIcon(m_hIcon, FALSE);		// 设置小图标

	// TODO: 在此添加额外的初始化代码

	return TRUE;  // 除非将焦点设置到控件，否则返回 TRUE
}

void CjiamijiemiDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。

void CjiamijiemiDlg::OnPaint()
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用于绘制的设备上下文

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作矩形中居中
		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;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

//当用户拖动最小化窗口时系统调用此函数取得光标显示。
//
HCURSOR CjiamijiemiDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}


void CjiamijiemiDlg::OnBnClickedBtSelect()
{
	// TODO: 在此添加控件通知处理程序代码
    char szFilter[] ="all Files(*.*)|*.*||";
    CFileDialog FileDlg(TRUE,NULL,NULL,OFN_HIDEREADONLY,szFilter);
	if(FileDlg.DoModal() == IDOK)
	{
		BeginWaitCursor();
		CString PathName = FileDlg.GetPathName();
		CString filename = FileDlg.GetFileName();
		CString first = FileDlg.GetFileTitle();
		name = filename.Right(filename.GetLength()-first.GetLength());
		{
			CFile f2;
			if(f2.Open(PathName,CFile::modeRead|CFile::typeBinary)==FALSE)
				return;
			length = f2.GetLength();
			N = length/16;
			if(length%16==0)
			{
				N = N;
			}
			else
			{
				length =length + 16 - length%16;
                N = N+1;
			}
			var =new unsigned char [length];
			f2.Read(var,f2.GetLength());
			if(f2.GetLength()%16!=0)
			{
				for(i=0;i<(int)(16-f2.GetLength()%16);i++)
				{
					var[length -16 + f2.GetLength()%16 + i] = ' ';//注意该地方的空格
				}
			}
			f2.Close();
			Invalidate(true);
		}
		EndWaitCursor();
	}
}

void CjiamijiemiDlg::OnBnClickedBtjiami()
{
	// TODO: 在此添加控件通知处理程序代码
	k_bit = (unsigned char *)m_miyao.GetBuffer(8);
	m_miyao.ReleaseBuffer();
	unsigned char *e_bit;
	e_bit = new unsigned char [length];
	BeginWaitCursor();
	{
		rij.set_key(k_bit,256);
		for(int j=0;j<N;j++)
		{
			rij.encrypt(var,e_bit);
			var += 16;
			e_bit += 16;
		}
		var=var - 16*N;
		e_bit=e_bit - 16*N;
	}
	EndWaitCursor();

    char szFilter[] ="all Files(*.*)|*.*||";
    CFileDialog FileDlg(FALSE,NULL,NULL,OFN_HIDEREADONLY,szFilter);
	FileDlg.m_ofn.lpstrTitle = "加密文件存为";
	if(FileDlg.DoModal() == IDOK)
	{
		BeginWaitCursor();
		CString PathName = FileDlg.GetPathName();
		PathName = PathName+name;
		CFile f;
		f.Open(PathName,CFile::modeCreate|CFile::modeWrite);
		f.Write(e_bit,length);
		f.Close();
		EndWaitCursor();
	}
	m_jiami = _T("加密结束!");//
	MessageBox(m_jiami);
	delete e_bit;
	UpdateData(false);
	Invalidate(true);
}

void CjiamijiemiDlg::OnBnClickedBtjiemi()
{
	// TODO: 在此添加控件通知处理程序代码
	k_bit = (unsigned char *)m_miyao.GetBuffer(8);
	m_miyao.ReleaseBuffer();
	unsigned char *m_bit;
	m_bit = new unsigned char [length];
	BeginWaitCursor();
	{
		rij.set_key(k_bit,256);
		for(int j=0;j<N;j++)
		{
			rij.decrypt(var,m_bit);
			m_bit += 16;
			var += 16;
		}
		m_bit=m_bit - 16*N;
		var = var - 16*N;
	}
	EndWaitCursor();

    char szFilter[] ="all Files(*.*)|*.*||";
    CFileDialog FileDlg(FALSE, NULL, NULL, OFN_HIDEREADONLY, szFilter);
	FileDlg.m_ofn.lpstrTitle = "解密文件存为";
	if(FileDlg.DoModal() == IDOK)
	{
		BeginWaitCursor();
		CString PathName = FileDlg.GetPathName();
		PathName = PathName + name;
		CFile f;
		f.Open(PathName,CFile::modeCreate|CFile::modeWrite);
		f.Write(m_bit,length);
		f.Close();
		CString string;
		string = _T("notepad") + PathName;
		WinExec(string,SW_SHOW);
		m_jiami=_T("解密结束！");
		MessageBox(m_jiami);
		EndWaitCursor();
	}
	m_jiami = _T("加密结束!");//
	MessageBox(m_jiami);
	delete m_bit;
	UpdateData(false);
	Invalidate(true);
}

void CjiamijiemiDlg::OnBnClickedBtSelectjie()
{
	// TODO: 在此添加控件通知处理程序代码
    char szFilter[] ="all Files(*.*)|*.*||";
    CFileDialog FileDlg(TRUE,NULL,NULL,OFN_HIDEREADONLY,szFilter);
	if(FileDlg.DoModal() == IDOK)
	{
		BeginWaitCursor();
		CString PathName = FileDlg.GetPathName();
		CString filename = FileDlg.GetFileName();
		CString first = FileDlg.GetFileTitle();
		name = filename.Right(filename.GetLength() - first.GetLength());
		{
			CFile f2;
			if(f2.Open(PathName,CFile::modeRead|CFile::typeBinary) == FALSE)
				return;
			length = f2.GetLength();
			var = new unsigned char[length];
			N = length/16;
			f2.Read(var,f2.GetLength());
			f2.Close();
			Invalidate(true);
		}
		EndWaitCursor();
	}

}