cecreitydlg.cpp

加密解密算法CECREITY5.0 此文件无需密码 解压后可直接运行

// CECREITYDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CECREITY.h"
#include "CECREITYDlg.h"
//marvin
#include <windows.h>
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <wincrypt.h>
//marvin

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//marvin
#define	MYRSA	1
#define	MYDES	0
#define	MY_ENCODING_TYPE (PKCS_7_ASN_ENCODING|X509_ASN_ENCODING)
void	HandleError(char *s);

#define	ENCRYPT_ALGORITHM CALG_RC2
#define	ENCRYPT_BLOCK_SIZE 8
//加密文件函数
BOOL	CryptEncryptFile(PCHAR szSource,PCHAR szDestination,PCHAR szPassword,int suanfa);
BOOL	CryptDecryptFile(PCHAR szSource,PCHAR szDestination,PCHAR szPassword,int suanfa);
//marvin
BOOL	CryptEncryptFile(PCHAR szSource,PCHAR szDestination,PCHAR szPasswords,int suanfa)
{
	FILE*	hSource;
	FILE*	hDestination;

	HCRYPTPROV	hCryptProv;
	HCRYPTKEY	hKey;
	HCRYPTKEY	hXchgKey;
	HCRYPTHASH	hHash;

	PBYTE	pbKeyBlob;
	DWORD	dwKeyBlobLen;

	PBYTE	pbBuffer;
	DWORD	dwBlockLen;

	DWORD	dwBufferLen;
	DWORD	dwCount;
	hSource=fopen(szSource,"rb");	
	hDestination=fopen(szDestination,"wb");
//change
	//if(suanfa==MYRSA)
	
		CryptAcquireContext(&hCryptProv,NULL,NULL,PROV_RSA_FULL,0);
		CryptCreateHash(hCryptProv,CALG_MD5,0,0,&hHash);

	//------------------------
	CryptHashData(hHash,(BYTE *)szPasswords,strlen(szPasswords),0);
	if(suanfa==MYRSA)
		CryptDeriveKey(hCryptProv,ENCRYPT_ALGORITHM,hHash,0,&hKey);
	else
		CryptDeriveKey(hCryptProv,CALG_RC4,hHash,0,&hKey);
	CryptDestroyHash(hHash);
	hHash=0;

	//------------------------
	dwBlockLen=1000-1000%ENCRYPT_BLOCK_SIZE;
	if(ENCRYPT_BLOCK_SIZE>1)
		dwBufferLen=dwBlockLen+ENCRYPT_BLOCK_SIZE;
	else
		dwBufferLen=dwBlockLen;

	pbBuffer=(BYTE * )malloc(dwBufferLen);
	do
	{
		dwCount=fread(pbBuffer,1,dwBlockLen,hSource);
		if(ferror(hSource))
			HandleError("Opem file error!");
		if(!CryptEncrypt(hKey,0,feof(hSource),0,pbBuffer,&dwCount,dwBufferLen))
			HandleError("CryptEncrypt	error!");
		fwrite(pbBuffer,1,dwCount,hDestination);
		if(ferror(hDestination))
			HandleError("Error on write to destination!");
	}while(!feof(hSource));
	fclose(hSource);
	fclose(hDestination);
	if(pbBuffer)
		free(pbBuffer);
	if(hKey)
		CryptDestroyKey(hKey);
	if(hXchgKey)
		CryptDestroyKey(hXchgKey);
	if(hHash)
		CryptDestroyHash(hHash);
	if(hCryptProv)
		CryptReleaseContext(hCryptProv,0);
	return	(TRUE);
}

BOOL	CryptDecryptFile(PCHAR szSource,PCHAR szDestination,PCHAR szPasswords,int suanfa)
{
	FILE*	hSource;
	FILE*	hDestination;

	HCRYPTPROV	hCryptProv;
	HCRYPTKEY	hKey;
	HCRYPTKEY	hXchgKey;
	HCRYPTHASH	hHash;

	PBYTE	pbKeyBlob;
	DWORD	dwKeyBlobLen;

	PBYTE	pbBuffer;
	DWORD	dwBlockLen;

	DWORD	dwBufferLen;
	DWORD	dwCount;
	hSource=fopen(szSource,"rb");	
	hDestination=fopen(szDestination,"wb");
	//if(suanfa==MYRSA)
	//{
		CryptAcquireContext(&hCryptProv,NULL,NULL,PROV_RSA_FULL,0);
		CryptCreateHash(hCryptProv,CALG_MD5,0,0,&hHash);
	//}
	//else
	//{
	//	CryptAcquireContext(&hCryptProv,NULL,NULL,PROV_RSA_FULL,0);
	//	CryptCreateHash(hCryptProv,CALG_CYLINK_MEK,0,0,&hHash);
	//}
	//CryptCreateHash(hCryptProv,CALG_MD5,0,0,&hHash);
	//------------------------
	CryptHashData(hHash,(BYTE *)szPasswords,strlen(szPasswords),0);
	
	if(suanfa==MYRSA)
		CryptDeriveKey(hCryptProv,ENCRYPT_ALGORITHM,hHash,0,&hKey);
	else
		CryptDeriveKey(hCryptProv,CALG_RC4,hHash,0,&hKey);
	
	CryptDestroyHash(hHash);
	hHash=0;

	//------------------------
	dwBlockLen=1000-1000%ENCRYPT_BLOCK_SIZE;
	if(ENCRYPT_BLOCK_SIZE>1)
		dwBufferLen=dwBlockLen+ENCRYPT_BLOCK_SIZE;
	else
		dwBufferLen=dwBlockLen;

	pbBuffer=(BYTE * )malloc(dwBufferLen);
	do
	{
		dwCount=fread(pbBuffer,1,dwBlockLen,hSource);
		if(ferror(hSource))
			HandleError("Opem file error!");
		if(!CryptDecrypt(hKey,0,feof(hSource),0,pbBuffer,&dwCount))
			HandleError("CryptEncrypt	error!");
		fwrite(pbBuffer,1,dwCount,hDestination);
		if(ferror(hDestination))
			HandleError("Error on write to destination!");
	}while(!feof(hSource));
	fclose(hSource);
	fclose(hDestination);
	if(pbBuffer)
		free(pbBuffer);
	if(hKey)
		CryptDestroyKey(hKey);
	if(hXchgKey)
		CryptDestroyKey(hXchgKey);
	if(hHash)
		CryptDestroyHash(hHash);
	if(hCryptProv)
		CryptReleaseContext(hCryptProv,0);
	return	(TRUE);
}
void	HandleError(char *s)
{
	//AfxMessageBox(s);
}
//marvin
/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CCECREITYDlg dialog

CCECREITYDlg::CCECREITYDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCECREITYDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCECREITYDlg)
	m_miyao = _T("");
	m_username = _T("");
	m_password = _T("");
	m_sourcefile = _T("");
	m_destinationfile = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCECREITYDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCECREITYDlg)
	DDX_Control(pDX, IDC_PASSWORDEDIT, m_Cpassword);
	DDX_Control(pDX, IDC_USEREDIT, m_Cuseredit);
	DDX_Control(pDX, IDC_CEREDIT, m_Cceredit);
	DDX_Control(pDX, IDC_DESTINATIONEDIT, m_Cdestinationfile);
	DDX_Control(pDX, IDC_SOURCEEDIT, m_Csourcefile);
	DDX_Text(pDX, IDC_CEREDIT, m_miyao);
	DDV_MaxChars(pDX, m_miyao, 8);
	DDX_Text(pDX, IDC_USEREDIT, m_username);
	DDX_Text(pDX, IDC_PASSWORDEDIT, m_password);
	DDX_Text(pDX, IDC_SOURCEEDIT, m_sourcefile);
	DDX_Text(pDX, IDC_DESTINATIONEDIT, m_destinationfile);
	DDV_MaxChars(pDX, m_destinationfile, 50);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCECREITYDlg, CDialog)
	//{{AFX_MSG_MAP(CCECREITYDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_DESRADIO,OnDesSelect)
	ON_BN_CLICKED(IDC_RSARADIO,OnRsaSelect)
	ON_BN_CLICKED(IDC_LOOKBUTTON1, OnLookbutton1)
	ON_BN_CLICKED(IDC_LOOKBUTTON2, OnLookbutton2)
	ON_BN_CLICKED(IDC_JIAMBUTTON, OnJiambutton)
	ON_BN_CLICKED(IDC_JIEMIBUTTON, OnJiemibutton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCECREITYDlg message handlers

BOOL CCECREITYDlg::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
	((CButton *)GetDlgItem(IDC_DESRADIO))->SetCheck(BST_CHECKED);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCECREITYDlg::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 CCECREITYDlg::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 CCECREITYDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCECREITYDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

void CCECREITYDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	CDialog::OnOK();
}

void CCECREITYDlg::OnLookbutton1() 
{
	CFileDialog dlg(TRUE);
	if(dlg.DoModal()==IDOK)
		this->m_sourcefile=dlg.GetPathName();
		this->m_Csourcefile.SetWindowText(m_sourcefile);
}

void CCECREITYDlg::OnLookbutton2() 
{
	CFileDialog dlg(FALSE);
	if(dlg.DoModal()==IDOK)
		this->m_destinationfile=dlg.GetPathName();
		this->m_Cdestinationfile.SetWindowText(m_destinationfile);
	
}
void CCECREITYDlg::OnRsaSelect()
{
	this->m_Cceredit.EnableWindow(false);
	this->m_Cuseredit.EnableWindow(true);
	this->m_Cpassword.EnableWindow(true);
}
void CCECREITYDlg::OnDesSelect()
{
	this->m_Cceredit.EnableWindow(true);
	this->m_Cuseredit.EnableWindow(false);
	this->m_Cpassword.EnableWindow(false);
}

void CCECREITYDlg::OnJiambutton() 
{
	// TODO: Add your control notification handler code here
	UINT	nLes=GetCheckedRadioButton(IDC_DESRADIO,IDC_RSARADIO);
	char szSource[255];
	char szDestination[255];
	char szPassword[255];
	char szMiyao[255];
	UpdateData(TRUE);
	memcpy(szSource,m_sourcefile,m_sourcefile.GetLength()+1);
	memcpy(szDestination,m_destinationfile,m_destinationfile.GetLength()+1);
	memcpy(szPassword,m_password,m_password.GetLength()+1);
	memcpy(szMiyao,m_miyao,m_miyao.GetLength()+1);
	if(m_sourcefile==""||m_destinationfile=="")
	{
		AfxMessageBox("Input the file name!");
	}
	else
	{
		switch(nLes)
		{
		case	IDC_DESRADIO:CryptEncryptFile(szSource,szDestination,szMiyao,MYDES);
							 break;

		case	IDC_RSARADIO:
							 CryptEncryptFile(szSource,szDestination,szPassword,MYRSA);
							 break;
							 
		}
	}
}

void CCECREITYDlg::OnJiemibutton() 
{
	// TODO: Add your control notification handler code here
	UINT	nLes=GetCheckedRadioButton(IDC_DESRADIO,IDC_RSARADIO);
	char szSource[255];
	char szDestination[255];
	char szPassword[255];
	char szMiyao[255];
	UpdateData(TRUE);
	memcpy(szSource,m_sourcefile,m_sourcefile.GetLength()+1);
	memcpy(szDestination,m_destinationfile,m_destinationfile.GetLength()+1);
	memcpy(szPassword,m_password,m_password.GetLength()+1);
	memcpy(szMiyao,m_miyao,m_miyao.GetLength()+1);
	if(m_sourcefile==""||m_destinationfile=="")
	{
		AfxMessageBox("Input the file name!");
	}
	else
	{
		switch(nLes)
		{
		case	IDC_DESRADIO:CryptDecryptFile(szSource,szDestination,szMiyao,MYDES);
							 break;

		case	IDC_RSARADIO:
							 CryptDecryptFile(szSource,szDestination,szPassword,MYRSA);
							 break;
							 
		}
	}
}