MFC实现的AES加密程序

// AES加密程序Dlg.cpp : implementation file // #include "stdafx.h" #include "AES加密程序.h" #include "AES加密程序Dlg.h" #include "AES.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() ///////////////////////////////////////////////////////////////////////////// // CAESDlg dialog CAESDlg::CAESDlg(CWnd* pParent /*=NULL*/) : CDialog(CAESDlg::IDD, pParent) { //{{AFX_DATA_INIT(CAESDlg) //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CAESDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAESDlg) DDX_Control(pDX, IDC_RADIO1, m_keysize); DDX_Control(pDX, IDC_RADIO5, m_mode); DDX_Control(pDX, IDC_PROGRESS1, m_prog); DDX_Control(pDX, IDC_STATIC3, m_OpenMWPath); DDX_Control(pDX, IDC_STATIC2, m_SavePath); DDX_Control(pDX, IDC_STATIC1, m_OpenPath); DDX_Control(pDX, IDC_EDIT1, m_FileText); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAESDlg, CDialog) //{{AFX_MSG_MAP(CAESDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON1, OnOpen) ON_BN_CLICKED(IDC_BUTTON2, OnSavePath) ON_BN_CLICKED(IDC_BUTTON7, OnOpenMWPath) ON_BN_CLICKED(IDC_BUTTON3, OnBFileEn) ON_BN_CLICKED(IDC_BUTTON4, OnBFileDe) ON_WM_CLOSE() ON_BN_CLICKED(IDC_RADIO1, Onkey128) ON_BN_CLICKED(IDC_RADIO2, Onkey192) ON_BN_CLICKED(IDC_RADIO3, Onkey256) ON_BN_CLICKED(IDC_RADIO5, OnMode) ON_BN_CLICKED(IDC_RADIO6, OnCBCmode) ON_BN_CLICKED(IDC_RADIO7, OnOFBmode) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CAESDlg message handlers BOOL CAESDlg::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 CAESDlg::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 CAESDlg::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 CAESDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CAESDlg::OnOpen() //打开明文按钮 { // TODO: Add your control notification handler code here CFileDialog dlg(TRUE,"All File","*.*",OFN_FILEMUSTEXIST|OFN_HIDEREADONLY,"All File(*.*)|*.*||"); if(dlg.DoModal()==IDOK) { strPathName=dlg.GetPathName(); CFile m_file(strPathName,CFile::modeCreate|CFile::modeNoTruncate|CFile::modeRead|CFile::typeBinary);//二进制读，并新建文件（文件存在则不删除内容） m_file.Read(strText.GetBuffer(m_file.GetLength()),m_file.GetLength()); strText.ReleaseBuffer(); filelen=m_file.GetLength(); m_file.Close(); m_FileText.SetWindowText(strText); m_OpenPath.SetWindowText(strPathName); } Point=0; Point1=0; } void CAESDlg::OnSavePath() //保存编辑框内容按钮 { // TODO: Add your control notification handler code here CFileDialog dlg(FALSE,NULL,NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT, "All Files(*.TXT)|*.TXT||",AfxGetMainWnd()); CString strPath,strText=""; char write[10000]; if(dlg.DoModal() == IDOK) { strPath = dlg.GetPathName(); if(strPath.Right(4) != ".TXT") strPath += ".TXT"; m_SavePath.SetWindowText(strPath); CFile file(_T(strPath),CFile::modeCreate|CFile::modeWrite); m_FileText.GetWindowText(strText); strcpy(write,strText); file.Write(write,strText.GetLength()); file.Close(); } } void CAESDlg::OnOpenMWPath() //打开密文按钮 { CFileDialog dlg(TRUE,"All File","*.*",OFN_FILEMUSTEXIST|OFN_HIDEREADONLY,"All File(*.*)|*.*||"); if(dlg.DoModal()==IDOK) { strPathName=dlg.GetPathName(); CFile m_file(strPathName,CFile::modeCreate|CFile::modeNoTruncate|CFile::modeRead|CFile::typeBinary);//二进制读，并新建文件（文件存在则不删除内容） m_file.Read(strText.GetBuffer(m_file.GetLength()),m_file.GetLength());//m_file调用Read函数，GetBuffer制定缓冲区的大小，读取GetLength()的长度 strText.ReleaseBuffer();//释放缓冲区 filelen=m_file.GetLength();//长度赋予 m_file.Close(); m_OpenMWPath.SetWindowText(strPathName); m_FileText.SetWindowText(strText);//编辑框输出内容 } Point=0; Point1=0; } void CAESDlg::OnChangeToNum() { } void CAESDlg::OnKeySize() //选择密钥长度的函数 { // TODO: Add your control notification handler code here } //////////////////////////////////////////////////////////////////////////////////////////////// //字符ASCII码值到字符字面值的转换 如 '0'转换成0， 'a'转换成10 int CAESDlg::char2num(char ch) { if(ch>='0'&&ch<='9')return ch-'0'; else if(ch>='a'&&ch<='f')return ch-'a'+10; return -1; } //////////////////////////////////////////////////////////////////////////////////////////////// void CAESDlg::OnBFileEn() //文件加密函数 { // TODO: Add your control notification handler code here if(Point!=1||Point1!=1) { MessageBox("请先选择加密位数与加密模式"); return; } else if(strPathName=="")return; FILE* finput; FILE* foutput; CString str1,str2,str3,str4; finput=fopen((LPCTSTR)strPathName,"rb");//LPCTSTR = const TCHAR* if(!finput) { MessageBox("文件打开错误","出错",MB_OK); return; } fseek(finput,0,SEEK_END); long lFileLen=ftell(finput); //ftell()函数返回文件位置指示符的当前值，即如果现在是在文件结尾，则这个值就是文件长度 fseek(finput,0,SEEK_SET); long