📄 aesdlg.cpp
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// AESDlg.cpp : implementation file
///////////////////////////////////////////////////////////////////////////////
// 程序实现：邓韶勇
///////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "AES.h"
#include "AESDlg.h"
#include "DlgEndBox.h"
#include "DlgVersion.h"
#include "DlgWait.h"
#include <io.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:
void OnStopTimer();
void OnStartTimer();
CAboutDlg();
int m_nTimer;
// 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)
virtual void OnOK();
virtual BOOL OnInitDialog();
afx_msg void OnTimer(UINT nIDEvent);
//}}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
}
void CAboutDlg::OnOK()
{
// TODO: Add extra validation here
OnStopTimer();
//
CDialog::OnOK();
}
BOOL CAboutDlg::OnInitDialog()
{
CDialog::OnInitDialog();
OnStartTimer();
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
void CAboutDlg::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
OnOK();
//
CDialog::OnTimer(nIDEvent);
}
void CAboutDlg::OnStartTimer()
{
m_nTimer = SetTimer(1, TIME_SHOWPIC, 0);
}
void CAboutDlg::OnStopTimer()
{
KillTimer(m_nTimer);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
ON_WM_SHOWWINDOW()
ON_WM_TIMER()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CAESDlg dialog
CAESDlg::CAESDlg(CWnd* pParent /*=NULL*/)
: CDialog(CAESDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CAESDlg)
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CAESDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAESDlg)
DDX_Control(pDX, IDC_PROGRESS1, m_progress);
DDX_Control(pDX, IDC_EDIT8, m_key);
DDX_Control(pDX, IDC_EDIT7, m_time);
DDX_Control(pDX, IDC_EDIT6, m_rshow);
DDX_Control(pDX, IDC_EDIT5, m_sshow);
DDX_Control(pDX, IDC_EDIT4, m_rtext);
DDX_Control(pDX, IDC_EDIT3, m_stext);
DDX_Control(pDX, IDC_EDIT2, m_rfile);
DDX_Control(pDX, IDC_EDIT1, m_sfile);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAESDlg, CDialog)
//{{AFX_MSG_MAP(CAESDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON9, OnInit)
ON_BN_CLICKED(IDC_BUTTON1, OnSBrowse)
ON_BN_CLICKED(IDC_BUTTON2, OnRBrowse)
ON_BN_CLICKED(IDC_BUTTON3, OnSOutput)
ON_BN_CLICKED(IDC_BUTTON4, OnROutput)
ON_BN_CLICKED(IDC_BUTTON5, OnEncrypt)
ON_BN_CLICKED(IDC_BUTTON6, OnDecrypt)
ON_BN_CLICKED(IDC_BUTTON7, OnSShowText)
ON_BN_CLICKED(IDC_BUTTON8, OnRShowText)
ON_BN_CLICKED(IDC_BUTTON10, OnSClear)
ON_BN_CLICKED(IDC_BUTTON11, OnStop)
ON_BN_CLICKED(IDC_BUTTON12, OnSetkey128)
ON_BN_CLICKED(IDC_BUTTON13, OnSetkey192)
ON_BN_CLICKED(IDC_BUTTON14, OnSetkey256)
ON_EN_KILLFOCUS(IDC_EDIT3, OnKillfocusEdit3)
ON_EN_CHANGE(IDC_EDIT3, OnChangeEdit3)
ON_BN_CLICKED(IDC_BUTTON15, OnRClear)
ON_BN_CLICKED(IDC_BUTTON16, OnShowVersion)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CAESDlg message handlers
BOOL CAESDlg::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
OnInit();
OnSysCommand(IDM_ABOUTBOX, NULL);
//
return TRUE; // return TRUE unless you set the focus to a control
}
void CAESDlg::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 CAESDlg::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 CAESDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
//=============================================================================
//AES关键函数
//=============================================================================
namespace
{
//变量定义
u1byte pow_tab[256];
u1byte log_tab[256];
u1byte sbx_tab[256];
u1byte isb_tab[256];
u4byte rco_tab[ 10];
u4byte ft_tab[4][256];
u4byte it_tab[4][256];
u4byte fl_tab[4][256];
u4byte il_tab[4][256];
u4byte tab_gen = 0;
//表达式定义
#define ff_mult(a,b) (a && b ? pow_tab[(log_tab[a] + log_tab[b]) % 255] : 0)
#define f_rn(bo, bi, n, k) \
bo[n] = ft_tab[0][byte(bi[n],0)] ^ \
ft_tab[1][byte(bi[(n + 1) & 3],1)] ^ \
ft_tab[2][byte(bi[(n + 2) & 3],2)] ^ \
ft_tab[3][byte(bi[(n + 3) & 3],3)] ^ *(k + n)
#define i_rn(bo, bi, n, k) \
bo[n] = it_tab[0][byte(bi[n],0)] ^ \
it_tab[1][byte(bi[(n + 3) & 3],1)] ^ \
it_tab[2][byte(bi[(n + 2) & 3],2)] ^ \
it_tab[3][byte(bi[(n + 1) & 3],3)] ^ *(k + n)
#define ls_box(x) \
( fl_tab[0][byte(x, 0)] ^ \
fl_tab[1][byte(x, 1)] ^ \
fl_tab[2][byte(x, 2)] ^ \
fl_tab[3][byte(x, 3)] )
#define f_rl(bo, bi, n, k) \
bo[n] = fl_tab[0][byte(bi[n],0)] ^ \
fl_tab[1][byte(bi[(n + 1) & 3],1)] ^ \
fl_tab[2][byte(bi[(n + 2) & 3],2)] ^ \
fl_tab[3][byte(bi[(n + 3) & 3],3)] ^ *(k + n)
#define i_rl(bo, bi, n, k) \
bo[n] = il_tab[0][byte(bi[n],0)] ^ \
il_tab[1][byte(bi[(n + 3) & 3],1)] ^ \
il_tab[2][byte(bi[(n + 2) & 3],2)] ^ \
il_tab[3][byte(bi[(n + 1) & 3],3)] ^ *(k + n)
//函数定义
void gen_tabs(void)
{
u4byte i, t;
u1byte p, q;
//
for(i = 0,p = 1; i < 256; ++i)
{
pow_tab[i] = (u1byte)p; log_tab[p] = (u1byte)i;
p = p ^ (p << 1) ^ (p & 0x80 ? 0x01b : 0);
}
log_tab[1] = 0; p = 1;
for(i = 0; i < 10; ++i)
{
rco_tab[i] = p;
p = (p << 1) ^ (p & 0x80 ? 0x1b : 0);
}
for(i = 0; i < 256; ++i)
{
p = (i ? pow_tab[255 - log_tab[i]] : 0); q = p;
q = (q >> 7) | (q << 1); p ^= q;
q = (q >> 7) | (q << 1); p ^= q;
q = (q >> 7) | (q << 1); p ^= q;
q = (q >> 7) | (q << 1); p ^= q ^ 0x63;
sbx_tab[i] = p; isb_tab[p] = (u1byte)i;
}
for(i = 0; i < 256; ++i)
{
p = sbx_tab[i];
t = p; fl_tab[0][i] = t;
fl_tab[1][i] = rotl(t, 8);
fl_tab[2][i] = rotl(t, 16);
fl_tab[3][i] = rotl(t, 24);
t = ((u4byte)ff_mult(2, p)) |
((u4byte)p << 8) |
((u4byte)p << 16) |
((u4byte)ff_mult(3, p) << 24);
ft_tab[0][i] = t;
ft_tab[1][i] = rotl(t, 8);
ft_tab[2][i] = rotl(t, 16);
ft_tab[3][i] = rotl(t, 24);
p = isb_tab[i];
t = p; il_tab[0][i] = t;
il_tab[1][i] = rotl(t, 8);
il_tab[2][i] = rotl(t, 16);
il_tab[3][i] = rotl(t, 24);
t = ((u4byte)ff_mult(14, p)) |
((u4byte)ff_mult( 9, p) << 8) |
((u4byte)ff_mult(13, p) << 16) |
((u4byte)ff_mult(11, p) << 24);
it_tab[0][i] = t;
it_tab[1][i] = rotl(t, 8);
it_tab[2][i] = rotl(t, 16);
it_tab[3][i] = rotl(t, 24);
}
tab_gen = 1;
}
#define star_x(x) (((x) & 0x7f7f7f7f) << 1) ^ ((((x) & 0x80808080) >> 7) * 0x1b)
#define imix_col(y,x) \
u = star_x(x); \
v = star_x(u); \
w = star_x(v); \
t = w ^ (x); \
(y) = u ^ v ^ w; \
(y) ^= rotr(u ^ t, 8) ^ \
rotr(v ^ t, 16) ^ \
rotr(t,24)
}// end of namespace
//表达式定义
#define loop4(i) \
{ t = ls_box(rotr(t, 8)) ^ rco_tab[i]; \
t ^= e_key[4 * i]; e_key[4 * i + 4] = t; \
t ^= e_key[4 * i + 1]; e_key[4 * i + 5] = t; \
t ^= e_key[4 * i + 2]; e_key[4 * i + 6] = t; \
t ^= e_key[4 * i + 3]; e_key[4 * i + 7] = t; \
}
#define loop6(i) \
{ t = ls_box(rotr(t, 8)) ^ rco_tab[i]; \
t ^= e_key[6 * i]; e_key[6 * i + 6] = t; \
t ^= e_key[6 * i + 1]; e_key[6 * i + 7] = t; \
t ^= e_key[6 * i + 2]; e_key[6 * i + 8] = t; \
t ^= e_key[6 * i + 3]; e_key[6 * i + 9] = t; \
t ^= e_key[6 * i + 4]; e_key[6 * i + 10] = t; \
t ^= e_key[6 * i + 5]; e_key[6 * i + 11] = t; \
}
#define loop8(i) \
{ t = ls_box(rotr(t, 8)) ^ rco_tab[i]; \
t ^= e_key[8 * i]; e_key[8 * i + 8] = t; \
t ^= e_key[8 * i + 1]; e_key[8 * i + 9] = t; \
t ^= e_key[8 * i + 2]; e_key[8 * i + 10] = t; \
t ^= e_key[8 * i + 3]; e_key[8 * i + 11] = t; \
t = e_key[8 * i + 4] ^ ls_box(t); \
e_key[8 * i + 12] = t; \
t ^= e_key[8 * i + 5]; e_key[8 * i + 13] = t; \
t ^= e_key[8 * i + 6]; e_key[8 * i + 14] = t; \
t ^= e_key[8 * i + 7]; e_key[8 * i + 15] = t; \
}
//函数定义
void CAESDlg::set_key(const u1byte in_key[], const u4byte key_len)
{
u4byte i, t, u, v, w;
//
if(!tab_gen)
gen_tabs();
k_len = (key_len + 31) / 32;
e_key[0] = u4byte_in(in_key );
e_key[1] = u4byte_in(in_key + 4);
e_key[2] = u4byte_in(in_key + 8);
e_key[3] = u4byte_in(in_key + 12);
switch(k_len)
{
case 4: t = e_key[3];
for(i = 0; i < 10; ++i)
loop4(i);
break;
case 6: e_key[4] = u4byte_in(in_key + 16); t = e_key[5] = u4byte_in(in_key + 20);
for(i = 0; i < 8; ++i)
loop6(i);
break;
case 8: e_key[4] = u4byte_in(in_key + 16); e_key[5] = u4byte_in(in_key + 20);
e_key[6] = u4byte_in(in_key + 24); t = e_key[7] = u4byte_in(in_key + 28);
for(i = 0; i < 7; ++i)
loop8(i);
break;
}
d_key[0] = e_key[0]; d_key[1] = e_key[1];
d_key[2] = e_key[2]; d_key[3] = e_key[3];
for(i = 4; i < 4 * k_len + 24; ++i)
{
imix_col(d_key[i], e_key[i]);
}
return;
}
//表达式定义
#define f_nround(bo, bi, k) \
f_rn(bo, bi, 0, k); \
f_rn(bo, bi, 1, k); \
f_rn(bo, bi, 2, k); \
f_rn(bo, bi, 3, k); \
k += 4
#define f_lround(bo, bi, k) \
f_rl(bo, bi, 0, k); \
f_rl(bo, bi, 1, k); \
f_rl(bo, bi, 2, k); \
f_rl(bo, bi, 3, k)
//函数定义
void CAESDlg::encrypt(const u1byte in_blk[16], u1byte out_blk[16])
{
u4byte b0[4], b1[4], *kp;
//
b0[0] = u4byte_in(in_blk ) ^ e_key[0]; b0[1] = u4byte_in(in_blk + 4) ^ e_key[1];
b0[2] = u4byte_in(in_blk + 8) ^ e_key[2]; b0[3] = u4byte_in(in_blk + 12) ^ e_key[3];
kp = e_key + 4;
if(k_len > 6)
{
f_nround(b1, b0, kp); f_nround(b0, b1, kp);
}
if(k_len > 4)
{
f_nround(b1, b0, kp); f_nround(b0, b1, kp);
}
f_nround(b1, b0, kp); f_nround(b0, b1, kp);
f_nround(b1, b0, kp); f_nround(b0, b1, kp);
f_nround(b1, b0, kp); f_nround(b0, b1, kp);
f_nround(b1, b0, kp); f_nround(b0, b1, kp);
f_nround(b1, b0, kp); f_lround(b0, b1, kp);
u4byte_out(out_blk, b0[0]); u4byte_out(out_blk + 4, b0[1]);
u4byte_out(out_blk + 8, b0[2]); u4byte_out(out_blk + 12, b0[3]);
}
//表达式定义
#define i_nround(bo, bi, k) \
i_rn(bo, bi, 0, k); \
i_rn(bo, bi, 1, k); \
i_rn(bo, bi, 2, k); \
i_rn(bo, bi, 3, k); \
k -= 4
#define i_lround(bo, bi, k) \
i_rl(bo, bi, 0, k); \
i_rl(bo, bi, 1, k); \
i_rl(bo, bi, 2, k); \
i_rl(bo, bi, 3, k)
//函数定义
void CAESDlg::decrypt(const u1byte in_blk[16], u1byte out_blk[16])
{
u4byte b0[4], b1[4], *kp;
//
b0[0] = u4byte_in(in_blk ) ^ e_key[4 * k_len + 24];
b0[1] = u4byte_in(in_blk + 4) ^ e_key[4 * k_len + 25];
b0[2] = u4byte_in(in_blk + 8) ^ e_key[4 * k_len + 26];
b0[3] = u4byte_in(in_blk + 12) ^ e_key[4 * k_len + 27];
kp = d_key + 4 * (k_len + 5);
if(k_len > 6)
{
i_nround(b1, b0, kp); i_nround(b0, b1, kp);
}
if(k_len > 4)
{
i_nround(b1, b0, kp); i_nround(b0, b1, kp);
}
i_nround(b1, b0, kp); i_nround(b0, b1, kp);
i_nround(b1, b0, kp); i_nround(b0, b1, kp);
i_nround(b1, b0, kp); i_nround(b0, b1, kp);
i_nround(b1, b0, kp); i_nround(b0, b1, kp);
i_nround(b1, b0, kp); i_lround(b0, b1, kp);
u4byte_out(out_blk, b0[0]); u4byte_out(out_blk + 4, b0[1]);
u4byte_out(out_blk + 8, b0[2]); u4byte_out(out_blk + 12, b0[3]);
}
//=============================================================================
/*
x==0 清除全部
x==1 保留sfile和stext，清除其他
x==2 保留rfile和rtext，清除其他
*/
void CAESDlg::ClearAll(int x)
{
if (x!=1)
{
m_sfile.SetWindowText("");
m_sfile.UpdateWindow();
m_stext.SetWindowText("");
m_stext.UpdateWindow();
}
if (x!=2)
{
m_rfile.SetWindowText("");
m_rfile.UpdateWindow();
m_rtext.SetWindowText("");
m_rtext.UpdateWindow();
}
m_sshow.SetWindowText("");
m_sshow.UpdateWindow();
m_rshow.SetWindowText("");
m_rshow.UpdateWindow();
m_time.SetWindowText("");
m_time.UpdateWindow();
m_progress.SetRange32(0, 100);
m_progress.SetPos(0);
}
void CAESDlg::OnInit()
{
// TODO: Add your control notification handler code here
int i;
sflag = 0;
rflag = 0;
editflag = 0;
showflag = 1;
//
for (i=0; i<KEY_MAX; i++)
{
key128[i] = rand()%2;
key192[i] = rand()%2;
key256[i] = rand()%2;
}
key128[KEY_MAX] = 0;
key192[KEY_MAX] = 0;
key256[KEY_MAX] = 0;
//
ClearAll(0);
//
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