cryptittestdlg.cpp

用于加密/解密的c语言实现代码

// CryptItTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CryptItTest.h"
#include "CryptItTestDlg.h"

// Include the COM Object Stuff
#include "CryptIt.h"
#include "CryptIt_i.c"


#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()

/////////////////////////////////////////////////////////////////////////////
// CCryptItTestDlg dialog

CCryptItTestDlg::CCryptItTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCryptItTestDlg::IDD, pParent)
{

	m_csPassPhrase = _T("");
	m_csCrypt = _T("");
	m_csCrypted = _T("");
	
	//{{AFX_DATA_INIT(CCryptItTestDlg)
	// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCryptItTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCryptItTestDlg)
	// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCryptItTestDlg, CDialog)
	//{{AFX_MSG_MAP(CCryptItTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(BTN_BADDECRYPT, OnBaddecrypt)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCryptItTestDlg message handlers

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

void CCryptItTestDlg::OnOK() 
{

	// Declare and HRESULT and a pointer to the Simple_ATL interface
	HRESULT		hr;
	ICryptor	*EDCryptor;
	
	// Now we will intilize COM
	hr = CoInitialize(0);
	
	// Use the SUCCEDED macro and see if we can get a pointer to
	// the interface
	if (SUCCEEDED(hr))
	{
		hr = CoCreateInstance(CLSID_Cryptor, NULL, CLSCTX_INPROC_SERVER,
			IID_ICryptor, (void**) &EDCryptor);
		
		// If we succeeded then set some properties, then call 
		// the DoCrypting method, if it failed then display an 
		// appropriate message to the user.
		if (SUCCEEDED(hr))
		{
			
			GetDlgItem(EDT_PASSPHRASE)->GetWindowText(m_csPassPhrase);
			BSTR bsPassPhrase = m_csPassPhrase.AllocSysString();
			
			GetDlgItem(EDT_STRINGTOCRYPT)->GetWindowText(m_csCrypt);
			BSTR bsCrypt = m_csCrypt.AllocSysString();
			
			hr = EDCryptor->put_PassPhrase(bsPassPhrase);
			hr = EDCryptor->put_StringToCrypt(bsCrypt);
			hr = EDCryptor->DoCrypting();
			
			// MUST set this to NULL before calling!!!!
			BSTR bsCrypted = NULL;
			
			hr = EDCryptor->get_ReturnCrypted(&bsCrypted);
			
			// put it back in a CString
			CString csRetCrypted = bsCrypted;
			GetDlgItem(EDT_ENCRYPTED)->SetWindowText(csRetCrypted);
			
			hr = EDCryptor->put_StringToCrypt(bsCrypted);
			hr = EDCryptor->DoCrypting();

			bsCrypted = NULL;
			hr = EDCryptor->get_ReturnCrypted(&bsCrypted);
			
			csRetCrypted = bsCrypted;
			GetDlgItem(EDT_DECRYPTED)->SetWindowText(csRetCrypted);
			
		}
		else 
		{
			MessageBox("CoCreateInstance Failed.");
		}
	}
	// Uninitialize COM
	CoUninitialize();
	
}

void CCryptItTestDlg::OnBaddecrypt() 
{

	// Declare and HRESULT and a pointer to the Simple_ATL interface
	HRESULT		hr;
	ICryptor	*EDCryptor;
	
	// Now we will intilize COM
	hr = CoInitialize(0);
	
	// Use the SUCCEDED macro and see if we can get a pointer to
	// the interface
	if (SUCCEEDED(hr))
	{
		hr = CoCreateInstance(CLSID_Cryptor, NULL, CLSCTX_INPROC_SERVER,
			IID_ICryptor, (void**) &EDCryptor);
		
		// If we succeeded then set some properties, then call 
		// the DoCrypting method, if it failed then display an 
		// appropriate message to the user.
		if (SUCCEEDED(hr))
		{
			
			GetDlgItem(EDT_PASSPHRASE)->GetWindowText(m_csPassPhrase);
			BSTR bsPassPhrase = m_csPassPhrase.AllocSysString();
			
			GetDlgItem(EDT_STRINGTOCRYPT)->GetWindowText(m_csCrypt);
			BSTR bsCrypt = m_csCrypt.AllocSysString();
			
			hr = EDCryptor->put_PassPhrase(bsPassPhrase);
			hr = EDCryptor->put_StringToCrypt(bsCrypt);
			hr = EDCryptor->DoCrypting();
			
			// MUST set this to NULL before calling!!!!
			BSTR bsCrypted = NULL;
			
			hr = EDCryptor->get_ReturnCrypted(&bsCrypted);
			
			// put it back in a CString
			CString csRetCrypted = bsCrypted;
			GetDlgItem(EDT_ENCRYPTED)->SetWindowText(csRetCrypted);
			
			m_csPassPhrase = "Test!";
			bsPassPhrase = m_csPassPhrase.AllocSysString();
			hr = EDCryptor->put_PassPhrase(bsPassPhrase);

			hr = EDCryptor->put_StringToCrypt(bsCrypted);
			hr = EDCryptor->DoCrypting();

			bsCrypted = NULL;
			hr = EDCryptor->get_ReturnCrypted(&bsCrypted);
			
			csRetCrypted = bsCrypted;
			GetDlgItem(EDT_DECRYPTED)->SetWindowText(csRetCrypted);
			
		}
		else 
		{
			MessageBox("CoCreateInstance Failed.");
		}
	}
	// Uninitialize COM
	CoUninitialize();
	
}