aesdemodlg.cpp

椭圆曲线密码C实现的

// AESDemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "AESDemo.h"
#include "AESDemoDlg.h"

#include "KAES.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()

/////////////////////////////////////////////////////////////////////////////
// CAESDemoDlg dialog

CAESDemoDlg::CAESDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAESDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAESDemoDlg)
		// 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 CAESDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAESDemoDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAESDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CAESDemoDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnAesStr)
	ON_BN_CLICKED(IDC_BUTTON4, OnFileEnAes)
	ON_BN_CLICKED(IDC_BUTTON2, OnSelectFile)
	ON_BN_CLICKED(IDC_BUTTON3, OnFileDeAes)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAESDemoDlg message handlers

BOOL CAESDemoDlg::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
	SetDlgItemText(IDC_EDIT1,"I love king_koo!");
	m_filename="";
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

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

void CAESDemoDlg::OnAesStr() 
{
	unsigned char inBuff[25],ouBuff[25];
	memset(inBuff,0,25);
	memset(ouBuff,0,25);
	KAES kaes(24,(unsigned char*)"\x0\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13\x14\x15\x16\x17");
	GetDlgItemText(IDC_EDIT1,(char*)inBuff,24);
	if(strlen((char*)inBuff)>16)MessageBox("本例只能加密16字节的字符串，大于截断");
	//memcpy(inBuff,(unsigned char*)"\x0\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff",16);
	kaes.Cipher(inBuff,ouBuff);//"dda97ca4......ec0d7191"
	memset(inBuff,0x00,sizeof(inBuff));
	kaes.InvCipher(ouBuff,inBuff);//"dda97ca4......ec0d7191"
	CString str="",strTmp;
	for(int i=0;i<16;i++)
	{
		strTmp.Format("%02x",ouBuff[i]);
		str+=strTmp;
	}
	MessageBox(str,"加密后");
	//kaes.InvCipher(ouBuff,inBuff);
	//str="";
	//for(i=0;i<16;i++)
	//{
	//	strTmp.Format("%02x",inBuff[i]);
	//	str+=strTmp;
	//}
	//MessageBox(str,"解迷后");
}

void CAESDemoDlg::OnFileEnAes() 
{
	if(m_filename=="")return;
	FILE* ff;
	FILE* fp;
	ff=fopen((LPCTSTR)m_filename,"rb");
	if(!ff)return;
	fseek(ff,0,SEEK_END);
	long lFileLen=ftell(ff);
	fseek(ff,0,SEEK_SET);
	long c=lFileLen/16;
	long d=lFileLen%16;
	m_filename+=".aen";
	fp=fopen((LPCTSTR)m_filename,"ab");
	if(!fp){fclose(ff);return;}
	unsigned char inBuff[25],ouBuff[25];
	KAES kaes(24,(unsigned char*)"\x0\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13\x14\x15\x16\x17");
	for(long i=0;i<c;i++)
	{
		fread(inBuff,1,16,ff);
		kaes.Cipher(inBuff,ouBuff);
		fwrite(ouBuff,1,16,fp);
	}
	if(d)
	{
		memset(inBuff,0,16);
		c=fread(inBuff,1,d,ff);
		kaes.Cipher(inBuff,ouBuff);
		fwrite(ouBuff,1,16,fp);
	}
	fclose(ff);
	fclose(fp);
	MessageBox("加密成功！");
	SetDlgItemText(IDC_FILESELECT,m_filename);
}

void CAESDemoDlg::OnSelectFile() 
{
	CString str;
	CFileDialog dlg(1,NULL,NULL,OFN_HIDEREADONLY ,"All Files(*.*)|*.*||");
	if(IDOK!=dlg.DoModal())return;
	m_filename=dlg.GetPathName();	
	SetDlgItemText(IDC_FILESELECT,m_filename);
}

void CAESDemoDlg::OnFileDeAes() 
{
	if(m_filename=="")return;
	FILE* ff;
	FILE* fp;
	ff=fopen((LPCTSTR)m_filename,"rb");
	if(!ff)return;
	fseek(ff,0,SEEK_END);
	long lFileLen=ftell(ff);
	fseek(ff,0,SEEK_SET);
	long c=lFileLen/16;
	long d=lFileLen%16;
	m_filename+=".ade";
	fp=fopen((LPCTSTR)m_filename,"w+");
	if(!fp){fclose(ff);return;}
	unsigned char inBuff[25],ouBuff[25];
	KAES kaes(24,(unsigned char*)"\x0\x1\x2\x3\x4\x5\x6\x7\x8\x9\xa\xb\xc\xd\xe\xf\x10\x11\x12\x13\x14\x15\x16\x17");
	for(long i=0;i<c;i++)
	{
		fread(inBuff,1,16,ff);
		kaes.InvCipher(inBuff,ouBuff);
		fwrite(ouBuff,1,16,fp);
	}
	if(d)
	{
		MessageBox("文件可能已损坏或非经aes加密过");
	}
	fclose(ff);
	fclose(fp);
	MessageBox("解密成功！");
	SetDlgItemText(IDC_FILESELECT,m_filename);	
}