aessboxdlg.cpp

来自「这是我编的一个AES加密算法中的SBOX的实现」· C++ 代码 · 共 316 行

// AESSBOXDlg.cpp : implementation file
//

#include "stdafx.h"
#include "AESSBOX.h"
#include "AESSBOXDlg.h"
#include "CAESSBox.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()

/////////////////////////////////////////////////////////////////////////////
// CAESSBOXDlg dialog

CAESSBOXDlg::CAESSBOXDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAESSBOXDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAESSBOXDlg)
	m_IntAthwartElement = 0;
	m_IntElement = 0;
	m_StrAthwartElement = _T("");
	m_StrElement = _T("");
	m_StrSBox = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CAESSBOXDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAESSBOXDlg)
	DDX_Text(pDX, IDC_IntAthwartElement, m_IntAthwartElement);
	DDX_Text(pDX, IDC_IntElement, m_IntElement);
	DDV_MinMaxInt(pDX, m_IntElement, 0, 255);
	DDX_Text(pDX, IDC_StrAthwartElement, m_StrAthwartElement);
	DDX_Text(pDX, IDC_StrElement, m_StrElement);
	DDX_Text(pDX, IDC_StrSBox, m_StrSBox);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAESSBOXDlg, CDialog)
	//{{AFX_MSG_MAP(CAESSBOXDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_OPERATION, OnOperation)
	ON_BN_CLICKED(IDC_GETSBOXELEMENT, OnGetsboxelement)
	ON_BN_CLICKED(IDC_PROSBOX, OnProsbox)
	ON_COMMAND(IDD_ABOUT, OnAbout)
	ON_COMMAND(IDD_EXIT, OnExit)
	ON_COMMAND(IDD_HELP, OnHelp)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAESSBOXDlg message handlers

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

void CAESSBOXDlg::OnOperation() //求逆元
{
	// TODO: Add your control notification handler code here
	UpdateData (TRUE);
	CAthwartElement Test;
	int DataMod = 283;
	m_IntAthwartElement = Test.AthwartElement (m_IntElement, DataMod);
	m_StrElement = ConvertToHEX (m_IntElement);
	m_StrAthwartElement = ConvertToHEX (m_IntAthwartElement);
	UpdateData (FALSE);
}

CString CAESSBOXDlg::ConvertToHEX(int Data) //10进制转化为16进制
{
	int temp;
	CString HEX;
	temp = Data & 240;
	temp = temp >> 4;
	HEX += ConvertToChar(temp);
	temp = Data & 15;
	HEX += ConvertToChar(temp);
	HEX += 'H';
	return HEX;
}

CString CAESSBOXDlg::ConvertToChar(int Data) //数字和字母转化
{
	CString DataChar;
	switch (Data)
	{
	case 0 : DataChar = '0'; break;
	case 1 : DataChar = '1'; break;
	case 2 : DataChar = '2'; break;
	case 3 : DataChar = '3'; break;
	case 4 : DataChar = '4'; break;
	case 5 : DataChar = '5'; break;
	case 6 : DataChar = '6'; break;
	case 7 : DataChar = '7'; break;
	case 8 : DataChar = '8'; break;
	case 9 : DataChar = '9'; break;
	case 10 : DataChar = 'A'; break;
	case 11 : DataChar = 'B'; break;
	case 12 : DataChar = 'C'; break;
	case 13 : DataChar = 'D'; break;
	case 14 : DataChar = 'E'; break;
	case 15 : DataChar = 'F'; break;
	}
	return DataChar;
}

void CAESSBOXDlg::OnGetsboxelement() //生成相应的SBOX元素(逆元+仿射)
{
	// TODO: Add your control notification handler code here
	UpdateData (TRUE);
	CAthwartElement Test;
	int DataMod = 283;
	m_IntAthwartElement = Test.AthwartElement (m_IntElement, DataMod);
	m_IntAthwartElement = Test.Affinetransform (m_IntAthwartElement);
	m_StrElement = ConvertToHEX (m_IntElement);
	m_StrAthwartElement = ConvertToHEX (m_IntAthwartElement);
	UpdateData (FALSE);
}

void CAESSBOXDlg::OnProsbox() //产生SBOX
{
	// TODO: Add your control notification handler code here
	m_StrSBox = "";
	CAthwartElement Test;
	int DataMod = 283;
	for (int i = 0; i < 256; i++)
	{
		m_IntAthwartElement = Test.AthwartElement (i, DataMod);
		m_IntAthwartElement = Test.Affinetransform (m_IntAthwartElement);
		m_StrElement = ConvertToHEX (m_IntElement);
		m_StrAthwartElement = ConvertToHEX (m_IntAthwartElement);
		if (i % 16 == 0) 
		{
			m_StrSBox += 13;
			m_StrSBox += '\n';
		}
		m_StrSBox += m_StrAthwartElement;
		m_StrSBox += "  ";
	}
	m_StrElement = "";
	m_StrAthwartElement = "";
	m_IntAthwartElement = 0;
	UpdateData (FALSE);
}

void CAESSBOXDlg::OnAbout() //显示关于
{
	// TODO: Add your command handler code here
	CAboutDlg Dlg;
	Dlg.DoModal();
}

void CAESSBOXDlg::OnExit() //退出程序
{
	// TODO: Add your command handler code here
	OnCancel();
}

void CAESSBOXDlg::OnHelp() //显示说明
{
	// TODO: Add your command handler code here
	m_StrSBox = "";
	m_StrSBox += "AES的SBOX生成器说明：";
	m_StrSBox += 13;
	m_StrSBox += '\n';
	m_StrSBox += "本程序主要部分和核心算法都在CAESSBox.cpp里面的CAthwartElement，";
	m_StrSBox += 13;
	m_StrSBox += "\n其他只是调用相应的函数、处理输出部分";
	m_StrSBox += 13;
	m_StrSBox += '\n';
	m_StrSBox += 13;
	m_StrSBox += '\n';
    m_StrSBox += "在Data(D)*处，任意输入一个十进制数(0－255)，就可以得到其相应的";
	m_StrSBox += 13;
	m_StrSBox += '\n';
	m_StrSBox += "逆元或者sbox中的相应元素(分别以16和10进制显示)";
	m_StrSBox += 13;
	m_StrSBox += '\n';
    m_StrSBox += "                                                学生：许志平";
	m_StrSBox += 13;
	m_StrSBox += '\n';
	m_StrSBox += "                                                学号：030300542";
	UpdateData (FALSE);
}