// ClientDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Client.h"
#include "ClientDlg.h"
#include "rand.h"
#include "ChipstBankApi.h"
#include "md5.h"
#include "des.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()
*/
/////////////////////////////////////////////////////////////////////////////
// CClientDlg dialog

CClientDlg::CClientDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClientDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CClientDlg)
	m_filename = _T("");
	m_savefile = _T("");
	m_filekey = _T("");
	m_time = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientDlg)
	DDX_Control(pDX, IDC_EDIT_SEND, m_editSend);
	DDX_Control(pDX, IDC_EDIT_RECEIVE, m_editReceive);
	DDX_Control(pDX, IDC_EDIT_INFORMATION, m_editInfo);
	DDX_Control(pDX, IDC_BUTTON_SENDRAND, m_btnSendRand);
	DDX_Control(pDX, IDC_BUTTON_SENDDATA, m_btnSendData);
	DDX_Control(pDX, IDC_BUTTON_DECODE, m_btnDeCode);
	DDX_Control(pDX, IDC_BUTTON_CREATEKEY, m_btnCreateKey);
	DDX_Control(pDX, IDC_BUTTON_CONNECT, m_btnConnect);
	DDX_Text(pDX, IDC_EDIT_inputFile, m_filename);
	DDX_Text(pDX, IDC_EDIT_outputFile, m_savefile);
	DDX_Text(pDX, IDC_EDIT_FilePSW, m_filekey);
	DDX_Text(pDX, IDC_EDIT_time, m_time);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
	//{{AFX_MSG_MAP(CClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_CONNECT, OnButtonConnect)
	ON_BN_CLICKED(IDC_BUTTON_SENDRAND, OnButtonSendrand)
	ON_BN_CLICKED(IDC_BUTTON_CREATEKEY, OnButtonCreatekey)
	ON_BN_CLICKED(IDC_BUTTON_SENDDATA, OnButtonSenddata)
	ON_BN_CLICKED(IDC_BUTTON_DECODE, OnButtonDecode)
	ON_BN_CLICKED(IDC_BUTTON_RECV_DATA, OnButtonRecvData)
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_BUTTON_inFile, OnBUTTONinFile)
	ON_BN_CLICKED(IDC_BUTTON_outFile, OnBUTTONoutFile)
	ON_BN_CLICKED(IDC_BUTTON_enFile, OnBUTTONenFile)
	ON_BN_CLICKED(IDC_BUTTON_deFile, OnBUTTONdeFile)
	ON_BN_CLICKED(IDC_BUTTON_inKey, OnBUTTONinKey)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg message handlers

BOOL CClientDlg::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
	m_btnCreateKey.EnableWindow(FALSE);
	m_btnDeCode.EnableWindow(FALSE);
	m_btnSendData.EnableWindow(FALSE);
	m_btnSendRand.EnableWindow(FALSE);
	unsigned char temp[4] = {'u','n','s',0}; 
	m_usbHandle=OpenUsbDisk(temp);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CClientDlg::OnButtonConnect() 
{
	// TODO: Add your control notification handler code here
	WSADATA wsaData;

	WSAStartup(MAKEWORD(2,2),&wsaData);

	m_sock = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
// 	SOCKADDR_IN clientaddr;
// 	clientaddr.sin_family = AF_INET;
// 	clientaddr.sin_port = htons(3344);
// 	clientaddr.sin_addr.S_addr = htonl(INADDR_LOOPBACK);
// 	bind(sock,(sockaddr*)&clientaddr,sizeof(clientaddr));
	SOCKADDR_IN servaddr;
	servaddr.sin_family = AF_INET;
	servaddr.sin_port = htons(3344);
	servaddr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");
	
	if (connect(m_sock,(sockaddr*)&servaddr,sizeof(servaddr)))
	{
		m_editInfo.SetWindowText("connect failed");
	}
	else
	{
		m_editInfo.SetWindowText("connect successful");
		m_btnConnect.EnableWindow(FALSE);
		m_btnSendRand.EnableWindow(TRUE);
	}


}

void CClientDlg::OnButtonSendrand() 
{
	// TODO: Add your control notification handler code here
	my_srand((unsigned)(time(NULL)));
	m_randvalue1 = my_rand();
	//加密
/*	char prekey[32];
	char inbuff[32], outbuff[32];
	m_prekey = "12345678";
	memcpy(prekey, (LPCTSTR)m_prekey, 8);
	sprintf(inbuff,"%d",m_randvalue1);


	CString SendRan1;
	DES jm;
	jm.Des_Go(outbuff, inbuff, sizeof(inbuff), prekey, sizeof(prekey), ENCRYPT);
	for (int i=0; i<8; i++)
		SendRan1 += outbuff[i];
	UpdateData(FALSE);
	send(m_sock, SendRan1, SendRan1.GetLength(), 0);
	char buf[32];
	recv(m_sock,buf,32,0);
	m_randvalue2 = atol(buf);
	m_editReceive.SetWindowText(buf);
*/
  //明文傳輸

	CString data;
	char buf[32];
	ZeroMemory(buf,32);
	data.Format("%d",m_randvalue1);
	
	send(m_sock,data.GetBuffer(0),data.GetLength(),0);
	m_editInfo.SetWindowText(data);
	m_btnCreateKey.EnableWindow(TRUE);
	
	char buff[32];
	ZeroMemory(buff,32);
 	recv(m_sock,buff,32,0);
	m_editReceive.SetWindowText(buff);
 	m_randvalue2 = (ULONG)atol(buff);
 	
}

void CClientDlg::OnButtonCreatekey() 
{
	// TODO: Add your control notification handler code here
	
	ULONG uValue = m_randvalue2 + m_randvalue1;
	CString temp;
	temp.Format("%d",uValue);
 	m_key = MD5String(temp.GetBuffer(0));
	WritePrivateUserSector(m_usbHandle,2,(unsigned char *)m_key,1,0);
	m_editInfo.SetWindowText(m_key);
	m_btnCreateKey.EnableWindow(FALSE);
	m_btnSendData.EnableWindow(TRUE);
	m_btnDeCode.EnableWindow(TRUE);
}

void CClientDlg::OnButtonSenddata() 
{
	// TODO: Add your control notification handler code here
	CString senddata;
	m_editSend.GetWindowText(senddata);

	char nowkey[32];
	char inbuff[32], outbuff[32];
	memcpy(nowkey, (LPCTSTR)m_key, 32);
	memcpy(inbuff, (LPCTSTR)senddata, 32);
	DES jm;
	CString DEsenddata;
	jm.Des_Go(outbuff, inbuff, sizeof(inbuff), nowkey, sizeof(nowkey), ENCRYPT);
	for (int i=0; i<32; i++)
		DEsenddata += outbuff[i];
	UpdateData(FALSE);
	
	//send(m_sock,senddata.GetBuffer(0),senddata.GetLength(),0);
//  char buf[32];
//	memcpy(buf, (LPCTSTR)senddata, 32);
	send(m_sock, DEsenddata, DEsenddata.GetLength(), 0);
}

void CClientDlg::OnButtonDecode() 
{
	// TODO: Add your control notification handler code here
// 	CString strCode;
// 	m_editReceive.GetWindowText(strCode);
// 	CString strdecode;
// 	//解密
// 	CString final;
// 	final = strCode + "\n" +strdecode;
// 	m_editReceive.SetWindowText(final);
}

void CClientDlg::OnButtonRecvData() 
{
	// TODO: Add your control notification handler code here
	char buf[1024];
	ZeroMemory(buf,1024);
	recv(m_sock,buf,1024,0);
	m_editReceive.SetWindowText(buf);

}

void CClientDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	
	// TODO: Add your message handler code here
	CloseUsbDisk(m_usbHandle);
	shutdown(m_sock,0);
	closesocket(m_sock);
}

void CClientDlg::OnButton1() 
{
	// TODO: Add your control notification handler code here
	
}

void CClientDlg::OnBUTTONinFile() 
{
	UpdateData(TRUE);
	CFileDialog dlg(1,NULL,NULL,OFN_HIDEREADONLY,"ALL Files(*.*)|*.*||");
	if (IDOK != dlg.DoModal()) return;
	m_filename = dlg.GetPathName();
	UpdateData(FALSE);	// TODO: Add your control notification handler code here
	
}

void CClientDlg::OnBUTTONoutFile() 
{
	UpdateData(TRUE);
	CFileDialog dlg(1,NULL,NULL,OFN_HIDEREADONLY,"ALL Files(*.*)|*.*||");
	if (IDOK != dlg.DoModal()) return;
	m_savefile = dlg.GetPathName();
	UpdateData(FALSE);
	
}

void CClientDlg::OnBUTTONenFile() 
{
	UpdateData(TRUE);
	if(m_filename == "") return;
	CFile inFile(m_filename, CFile::modeRead);
	long inFileLen = inFile.GetLength();
	long a = inFileLen/8;
	long b = inFileLen%8;

	if (m_savefile == "")
		m_savefile = m_filename + ".uns";
	
	CFile outFile(m_savefile, CFile::modeCreate|CFile::modeWrite);
	inFile.SeekToBegin();
	outFile.SeekToBegin();

	DES des;
	char inbuff[8], outbuff[8], skey[8];
	memcpy(skey, (LPCTSTR)m_filekey, 8);

	CTime time1, time2;
	time1 = CTime::GetCurrentTime();
	
	for (long i=0; i<a; i++)
	{
		inFile.Read(inbuff, 8);
		des.Des_Go(outbuff, inbuff, sizeof(inbuff), skey, sizeof(skey), ENCRYPT);
		outFile.Write(outbuff, 8);	
	}
	if (b>0)
	{
		inFile.Read(inbuff, b);
		des.Des_Go(outbuff, inbuff, sizeof(inbuff), skey, sizeof(skey), ENCRYPT);
		outFile.Write(outbuff, 8);
	}

	time2 = CTime::GetCurrentTime();
	CTimeSpan timespan = time2 - time1;
	CString strtimespan = timespan.Format("Seconds:%S");
	m_time = strtimespan + 's';

	inFile.Close();
	outFile.Close();
	MessageBox("加密成功!");
	UpdateData(FALSE);
}

void CClientDlg::OnBUTTONdeFile() 
{
	UpdateData(TRUE);
	if(m_filename=="")return;
	
	CFile inFile(m_filename,CFile::modeRead);
	long inFileLen=inFile.GetLength();
	long a = inFileLen/8;
	long b = inFileLen%8;
	if (m_savefile == "")
		m_savefile = m_filename+".uns.txt";
	
	CFile outFile(m_savefile,CFile::modeCreate|CFile::modeWrite);
	inFile.SeekToBegin();
	outFile.SeekToBegin();
	
	DES des;
	char inbuff[8],oubuff[8],skey[8];
	memcpy(skey,(LPCTSTR)m_filekey,8);
	CTime time1,time2;
	time1 = CTime::GetCurrentTime();
	m_time = "解密中...";
	
	for (long i=0; i<a; i++)
	{
		inFile.Read(inbuff,8);
		des.Des_Go(oubuff, inbuff, sizeof(inbuff), skey, sizeof(skey), DECRYPT);
		outFile.Write(oubuff,8);
	}
	if (b>0)
	{
		MessageBox("文件可能已損壞或非經UNS加密!");
	}
    
	time2 = CTime::GetCurrentTime();
	CTimeSpan timespan = time2-time1;
	CString strspan = timespan.Format("Seconds:%S");
	m_time = strspan+"s";
     
	inFile.Close();
	outFile.Close();
	MessageBox("解密成功!");
	UpdateData(FALSE);	
}

void CClientDlg::OnBUTTONinKey() 
{
	// TODO: Add your control notification handler code here
	
}