// ecfileDlg.cpp : implementation file//#include "stdafx.h"#include "ecfile.h"#include "ecfileDlg.h"#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE[] = __FILE__;#endif/////////////////////////////////////////////////////////////////////////////// CAboutDlg dialog used for App Aboutclass 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// Implementationprotected: //{{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_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// CEcfileDlg dialogCEcfileDlg::CEcfileDlg(CWnd* pParent /*=NULL*/) : CDialog(CEcfileDlg::IDD, pParent){ //{{AFX_DATA_INIT(CEcfileDlg) m_path = _T(""); m_pass = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);}void CEcfileDlg::DoDataExchange(CDataExchange* pDX){ CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CEcfileDlg) DDX_Text(pDX, IDC_PASSWORD, m_path); DDX_Text(pDX, IDC_PASS1, m_pass); //}}AFX_DATA_MAP}BEGIN_MESSAGE_MAP(CEcfileDlg, CDialog) //{{AFX_MSG_MAP(CEcfileDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_E, OnE) ON_BN_CLICKED(IDC_D, OnD) ON_BN_CLICKED(IDC_BROW, OnBrow) //}}AFX_MSG_MAPEND_MESSAGE_MAP()BOOL CEcfileDlg::OnInitDialog(){ CDialog::OnInitDialog(); ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);} } SetIcon(m_hIcon, TRUE); SetIcon(m_hIcon, FALSE); return TRUE;}void CEcfileDlg::OnSysCommand(UINT nID, LPARAM lParam){ if ((nID & 0xFFF0) == IDM_ABOUTBOX) {CAboutDlg dlgAbout;dlgAbout.DoModal(); } else {CDialog::OnSysCommand(nID, lParam); }}void CEcfileDlg::OnPaint() { CDialog::OnPaint();}HCURSOR CEcfileDlg::OnQueryDragIcon(){ return (HCURSOR) m_hIcon;}void CEcfileDlg::OnE() { UpdateData(TRUE); if(m_path == "") {AfxMessageBox("怎么没有选择要加密的文件就开始加密啊?");return; } UpdateData(TRUE); if(m_pass == "") {AfxMessageBox("没有写上密码");return; }if(ecfile(m_path)) {MessageBox("加密成功了已经"); } else {MessageBox("没加密成功"); }}void CEcfileDlg::OnD() { UpdateData(TRUE); if(m_path == "") {AfxMessageBox("怎么没有选择要加密的文件就开始解密啊?");return; } UpdateData(TRUE); if(m_pass == "") {AfxMessageBox("没有写上密码");return; } if(dcfile(m_path)) {MessageBox("解密成功了"); } else {MessageBox("解密失败了"); }}void CEcfileDlg::OnBrow() { CFileDialog dlg(TRUE); if(dlg.DoModal() == IDOK) {m_path = dlg.GetPathName();UpdateData(FALSE); } else {return; }}//给文件加密的函数BOOL CEcfileDlg::ecfile(LPCTSTR fpath){ char *data; CFile *file; DWORD flen; m_password = epass(); file = new CFile; if ( !file->Open(fpath, CFile::shareDenyNone|CFile::modeReadWrite)) {return FALSE; } flen = file->GetLength(); data = new char[(int)flen]; file->SeekToBegin(); file->Read(data, flen); for(int i=0; iSeekToBegin(); file->Write(data, flen); delete[] data; //添加密码验证信息 char cpass[5] = "love"; for(int j=0; jSeekToEnd(); file->Write(&cpass, 5); file->Close(); delete file; return TRUE;}//给文件解密的函数BOOL CEcfileDlg::dcfile(LPCTSTR fpath){ char *data; CFile *file; DWORD flen; char love[5]; file = new CFile; if( !file->Open(fpath, CFile::shareDenyNone|CFile::modeReadWrite)) {return FALSE; } flen = file->GetLength(); data = new char[(int)flen]; //检验密码是不是正确 file->Seek(-5, CFile::end); file->Read(&love, 5); m_password = epass(); for(int i=0; iSeekToBegin(); file->Read(data, flen); for(int j=0; jSeekToBegin(); file->Write(data, flen); file->SetLength(flen-5); file->Close(); delete[] data; delete file; return TRUE;}//获得密码的函数__int64 CEcfileDlg::epass(){ DWORD plen; char *ppass; __int64 mc= 8757735233305; UpdateData(TRUE); ppass = m_pass.GetBuffer(0); plen = strlen(ppass); for(int i=0; i<(int)plen; i++) {mc ^= ppass|128; } return mc;}
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