// RSAWANGDlg.cpp : implementation file
//

#include "stdafx.h"
#include "RSAWANG.h"
#include "RSAWANGDlg.h"

#include "KeyDlg.h"
#include "DecryptKeyDlg.h"

#include "RsaA.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();
	enum { IDD = IDD_ABOUTBOX };
protected:
	virtual void DoDataExchange(CDataExchange* pDX);    

protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD){}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()
CRSAWANGDlg::CRSAWANGDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRSAWANGDlg::IDD, pParent)
{	m_strDecryptString = _T("");
	m_strSourceString = _T("");
	m_strR = _T("");
	m_strPublicKey = _T("");
	m_strPrivateKey = _T("");
	m_strEncryptString = _T("");
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CRSAWANGDlg::DoDataExchange(CDataExchange* pDX)
{	CDialog::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_DECRYPTSTRING, m_strDecryptString);
	DDX_Text(pDX, IDC_SOURCESTRING, m_strSourceString);
	DDX_Text(pDX, IDC_R, m_strR);
	DDX_Text(pDX, IDC_PRIVATEKEY, m_strPublicKey);
	DDX_Text(pDX, IDC_PUBLICKEY, m_strPrivateKey);
	DDX_Text(pDX, IDC_ENCRYPTSTRING, m_strEncryptString);
}

BEGIN_MESSAGE_MAP(CRSAWANGDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ENCRYPT, OnEncrypt)
	ON_BN_CLICKED(IDC_DECRYPT, OnDecrypt)
	ON_BN_CLICKED(IDC_GENERATEKEY, OnGeneratekey)
END_MESSAGE_MAP()
BOOL CRSAWANGDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
   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);
		}
	}
	SetIcon(m_hIcon, TRUE);			
	SetIcon(m_hIcon, FALSE);		
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CRSAWANGDlg::OnSysCommand(UINT nID, LPARAM lParam)
{	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{  CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{CDialog::OnSysCommand(nID, lParam);}
}
void CRSAWANGDlg::OnPaint() 
{   if (IsIconic())
 {    CPaintDC dc(this); 
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
        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;
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{	CDialog::OnPaint();}
}

HCURSOR CRSAWANGDlg::OnQueryDragIcon(){return (HCURSOR) m_hIcon;}

void CRSAWANGDlg::OnCancel() {CDialog::OnCancel();}

void CRSAWANGDlg::OnEncrypt() 
{    UpdateData(TRUE);
	CKeyDlg dlg;
	dlg.DoModal();
	m_strInputPublicKey=dlg.m_strInputEncryptKey;
	m_strInputR=dlg.m_strModeR;
	CRsaA rsa;	
	//下面的語句中需要進一步細化m_strR,以便可以直接調用加密函數
	rsa.RsaEncrypt(m_strSourceString,m_strInputPublicKey,m_strInputR,m_strEncryptStringArray);
   //處理加密后的字符串
	int index=0;
	CString strTempEncrypt;
	index=m_strEncryptStringArray.GetSize();
	for(int i=0;i<index;i++)
	{
		strTempEncrypt=m_strEncryptStringArray.GetAt(i);
	}
	m_strEncryptString=strTempEncrypt;

	UpdateData(FALSE);

}

void CRSAWANGDlg::OnDecrypt() 
{
		//CString RsaDecrypt(CStringArray& source,const char* sk,const char* R);//解密
   CDecryptKeyDlg dlg;
	dlg.DoModal();
	m_strInputPrivateKey=dlg.m_strInputDecryptKey;
	m_strInputModeR1=dlg.m_strInputModeR1;
	CRsaA rsa;
	UpdateData(TRUE);
	m_strDecryptString=rsa.RsaDecrypt(m_strEncryptStringArray,m_strInputPrivateKey,m_strInputModeR1);
	UpdateData(FALSE);
}

void CRSAWANGDlg::OnGeneratekey() 
{
	//void GenKeys(CString& pk,CString& sk,CString& R); //提供給服務器使用的秘鑰產生函數
	CRsaA rsa;
	rsa.GenKeys(m_strPublicKey,m_strPrivateKey,m_strR);
	UpdateData(FALSE);
	
}