?? gudianmima.cpp
字號:
#include "stdafx.h"
#include "Crpt.h"
#include "CrptDlg.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()
// CCrptDlg dialog
CCrptDlg::CCrptDlg(CWnd* pParent /*=NULL*/)
: CDialog(CCrptDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CCrptDlg)
m_strCt1 = _T("");
m_strPt1 = _T("");
m_iKey1 = 0;
m_strCt2 = _T("");
m_iKey2a = 0;
m_iKey2b = 0;
m_strPt2 = _T("");
m_strKey3 = _T("");
m_strPt3 = _T("");
m_strCt3 = _T("");
m_strPt4 = _T("");
m_strKey4 = _T("");
m_strCt4 = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CCrptDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CCrptDlg)
DDX_Text(pDX, IDC_CT1, m_strCt1);
DDX_Text(pDX, IDC_PT1, m_strPt1);
DDX_Text(pDX, IDC_KEY1, m_iKey1);
DDX_Text(pDX, IDC_CT2, m_strCt2);
DDX_Text(pDX, IDC_KEY2a, m_iKey2a);
DDX_Text(pDX, IDC_KEY2b, m_iKey2b);
DDX_Text(pDX, IDC_PT2, m_strPt2);
DDX_Text(pDX, IDC_KEY3, m_strKey3);
DDX_Text(pDX, IDC_PT3, m_strPt3);
DDX_Text(pDX, IDC_CT3, m_strCt3);
DDX_Text(pDX, IDC_PT4, m_strPt4);
DDX_Text(pDX, IDC_KEY4, m_strKey4);
DDX_Text(pDX, IDC_CT4, m_strCt4);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CCrptDlg, CDialog)
//{{AFX_MSG_MAP(CCrptDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_METH1, OnMeth1)
ON_BN_CLICKED(IDC_KEY1SET, OnKey1set)
ON_BN_CLICKED(IDC_E1, OnE1)
ON_BN_CLICKED(IDC_D1, OnD1)
ON_BN_CLICKED(IDC_CLEARPT1, OnClearpt1)
ON_BN_CLICKED(IDC_CLEARCT1, OnClearct1)
ON_BN_CLICKED(IDC_METH2, OnMeth2)
ON_BN_CLICKED(IDC_KEY2SET, OnKey2set)
ON_BN_CLICKED(IDC_E2, OnE2)
ON_BN_CLICKED(IDC_D2, OnD2)
ON_BN_CLICKED(IDC_CLEARPT2, OnClearpt2)
ON_BN_CLICKED(IDC_CLEARCT2, OnClearct2)
ON_BN_CLICKED(IDC_METH3, OnMeth3)
ON_BN_CLICKED(IDC_KEY3SET, OnKey3set)
ON_BN_CLICKED(IDC_E3, OnE3)
ON_BN_CLICKED(IDC_D3, OnD3)
ON_BN_CLICKED(IDC_CLEARPT3, OnClearpt3)
ON_BN_CLICKED(IDC_CLEARCT3, OnClearct3)
ON_BN_CLICKED(IDC_METH4, OnMeth4)
ON_BN_CLICKED(IDC_KEY4SET, OnKey4set)
ON_BN_CLICKED(IDC_E4, OnE4)
ON_BN_CLICKED(IDC_D4, OnD4)
ON_BN_CLICKED(IDC_CLEARPT4, OnClearpt4)
ON_BN_CLICKED(IDC_CLEARCT4, OnClearct4)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
// CCrptDlg message handlers
BOOL CCrptDlg::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_bJ1 = 0;
m_bJ2 = 0;
m_bJ3 = 0;
m_bJ4 = 0;
return TRUE; // return TRUE unless you set the focus to a control
}
void CCrptDlg::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 CCrptDlg::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 CCrptDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CCrptDlg::OnMeth1()
{
// TODO: Add your control notification handler code here
AfxMessageBox(" 移位密碼介紹：\r 字母表用整數(shù)0 - 25來標(biāo)識， 密鑰K為整數(shù)，且取值空間為0到25\r 加密函數(shù)：x = x + k (mod 26)\r 解密函數(shù)：x = x - k (mod 26)\r 當(dāng)K=3時，為凱撒密碼\r 不識別空格", MB_ICONINFORMATION);
}
void CCrptDlg::OnKey1set()
{
// TODO: Add your control notification handler code here
UpdateData();
m_bJ1 = 1;
}
void CCrptDlg::OnE1()
{
// TODO: Add your control notification handler code here
if (m_bJ1 == 0)
{
AfxMessageBox("請檢查是否設(shè)置了密鑰或輸入了明文");
}
else
{
UpdateData();
int i = m_strPt1.GetLength();
m_strCt1.Empty();
for (int j = 0; j < i; j++)
{
m_strCt1 += (m_strPt1[j] - 97 + m_iKey1) % 26 + 97;
}
UpdateData(FALSE);
}
}
void CCrptDlg::OnD1()
{
// TODO: Add your control notification handler code here
if (m_bJ1 == 0)
{
AfxMessageBox("請檢查是否設(shè)置了密鑰或輸入了密文");
}
else
{
UpdateData();
int i = m_strCt1.GetLength();
m_strPt1.Empty();
for (int j = 0; j < i; j++)
{
if (m_strCt1[j] - 97 - m_iKey1 >= 0)
{
m_strPt1 += (m_strCt1[j] - 97 - m_iKey1) % 26 + 97;
}
else
{
m_strPt1 += m_strCt1[j] + 26 - m_iKey1;
}
}
UpdateData(FALSE);
}
}
void CCrptDlg::OnClearpt1()
{
// TODO: Add your control notification handler code here
UpdateData();
m_strPt1.Empty();
UpdateData(FALSE);
}
void CCrptDlg::OnClearct1()
{
// TODO: Add your control notification handler code here
UpdateData();
m_strCt1.Empty();
UpdateData(FALSE);
}
void CCrptDlg::OnMeth2()
{
// TODO: Add your control notification handler code here
AfxMessageBox(" 仿射密碼介紹：\r 字母表用整數(shù)0 - 25來標(biāo)識， 密鑰對由a、b組成\r 整數(shù)a滿足 gcd(a, 26) = 1 \r 整數(shù)b的取值空間為0到25\r 加密函數(shù)：x = ax + b(mod 26)\r 解密函數(shù)：x = a*y - a*b (mod 26)\r 當(dāng)a=1,b=3時，為凱撒密碼\r 不識別空格", MB_ICONINFORMATION);
}
void CCrptDlg::OnKey2set()
{
// TODO: Add your control notification handler code here
UpdateData();
m_bJ2 = 1;
}
void CCrptDlg::OnE2()
{
// TODO: Add your control notification handler code here
if (m_bJ2 == 0)
{
AfxMessageBox("請檢查是否設(shè)置了密鑰或輸入了明文");
}
else
{
UpdateData();
int i = m_strPt2.GetLength();
m_strCt2.Empty();
for (int j = 0; j < i; j++)
{
m_strCt2 += ((m_strPt2[j] - 97) * m_iKey2a + m_iKey2b) % 26 + 97;
}
UpdateData(FALSE);
}
}
void CCrptDlg::OnD2()
{
// TODO: Add your control notification handler code here
if (m_bJ2 == 0)
{
AfxMessageBox("請檢查是否設(shè)置了密鑰或輸入了密文");
}
else
{
UpdateData();
int i = m_strCt2.GetLength();
m_strPt2.Empty();
int a = transt(m_iKey2a);
for (int j = 0; j < i; j++)
{
if (m_strCt2[j] - 97 - m_iKey2b < 0)
{
m_strPt2 += ((m_strCt2[j] - 97 - m_iKey2b) * a + 26) % 26 + 97;
}
else
{
m_strPt2 += ((m_strCt2[j] - 97 - m_iKey2b) * a) % 26 + 97;
}
}
UpdateData(FALSE);
}
}
void CCrptDlg::OnClearpt2()
{
// TODO: Add your control notification handler code here
UpdateData();
m_strPt2.Empty();
UpdateData(FALSE);
}
void CCrptDlg::OnClearct2()
{
// TODO: Add your control notification handler code here
UpdateData();
m_strCt2.Empty();
UpdateData(FALSE);
}
void CCrptDlg::OnMeth3()
{
// TODO: Add your control notification handler code here
AfxMessageBox("維吉尼亞密碼介紹： \r 首先確定密鑰長度（本例中密鑰只采取個位數(shù)字，所以取決于輸入密鑰的長度）如6\r 然后輸入滿足這個長度的向量，如K = (1，2，3，4，5，6)\r 加密：取明文第一個字母并將之移k1位，這里k1=1,第二個字母移k2位，k2=2,一旦到了密鑰末尾，又從頭開始\r 不識別空格", MB_ICONINFORMATION);
}
void CCrptDlg::OnKey3set()
{
// TODO: Add your control notification handler code here
UpdateData();
m_bJ3 = 1;
}
void CCrptDlg::OnE3()
{
// TODO: Add your control notification handler code here
if (m_bJ3 == 0)
{
AfxMessageBox("請檢查是否設(shè)置了密鑰或輸入了明文");
}
else
{
UpdateData();
m_strCt3.Empty();
int keylen = m_strKey3.GetLength();
int ptlen = m_strPt3.GetLength();
int i, j, m, n;
i = ptlen / keylen;
j = ptlen % keylen;
for (n = 0; n < i; ++n)
{
for (m = 0; m < keylen; ++m)
{
if (m_strPt3[n * keylen + m] + m_strKey3[m] - 'a' > 'z')
{
m_strCt3 += m_strPt3[n * keylen + m] + m_strKey3[m] - 'a' - 26;
}
else
{
m_strCt3 += m_strPt3[n * keylen + m] + m_strKey3[m] - 'a';
}
}
}
for (m = 0; m < j; ++m)
{
if (m_strPt3[n * keylen + m] + m_strKey3[m] - 'a' > 'z')
{
m_strCt3 += m_strPt3[n * keylen + m] + m_strKey3[m] - 'a' - 26;
}
else
{
m_strCt3 += m_strPt3[n * keylen + m] + m_strKey3[m] - 'a';
}
}
UpdateData(FALSE);
}
}
void CCrptDlg::OnD3()
{
// TODO: Add your control notification handler code here
if (m_bJ3 == 0)
{
AfxMessageBox("請檢查是否設(shè)置了密鑰或輸入了密文");
}
else
{
UpdateData();
m_strPt3.Empty();
int keylen = m_strKey3.GetLength();
int ctlen = m_strCt3.GetLength();
int i, j, m, n;
i = ctlen / keylen;
j = ctlen % keylen;
for (n = 0; n < i; ++n)
{
for (m = 0; m < keylen; ++m)
{
if (m_strCt3[n * keylen + m] - m_strKey3[m] + 'a' < 'a')
{
m_strPt3 += m_strCt3[n * keylen + m] - m_strKey3[m] + 'a' + 26;
}
else
{
m_strPt3 += m_strCt3[n * keylen + m] - m_strKey3[m] + 'a';
}
}
}
for (m = 0; m < j; ++m)
{
if (m_strCt3[n * keylen + m] - m_strKey3[m] + 'a' < 'a')
{
m_strPt3 += m_strCt3[n * keylen + m] - m_strKey3[m] + 'a' + 26;
}
else
{
m_strPt3 += m_strCt3[n * keylen + m] - m_strKey3[m] + 'a';
}
}
UpdateData(FALSE);
}
}
void CCrptDlg::OnClearpt3()
{
// TODO: Add your control notification handler code here
UpdateData();
m_strPt3.Empty();
UpdateData(FALSE);
}
void CCrptDlg::OnClearct3()
{
// TODO: Add your control notification handler code here
UpdateData();
m_strCt3.Empty();
UpdateData(FALSE);
}
void CCrptDlg::OnMeth4()
{
// TODO: Add your control notification handler code here
AfxMessageBox("換位密碼介紹：\r 確定密鑰長度，如5 \r 輸入長度為5的0到4的整數(shù)序列，如14032作為密鑰 \r 將明文分成每5個字母一組，每組字母按照密鑰進行換位\r 不識別空格", MB_ICONINFORMATION);
}
void CCrptDlg::OnKey4set()
{
// TODO: Add your control notification handler code here
UpdateData();
m_bJ4 = 1;
}
void CCrptDlg::OnE4()
{
// TODO: Add your control notification handler code here
if (m_bJ4 == 0)
{
AfxMessageBox("請檢查是否設(shè)置了密鑰或輸入了明文");
}
else
{
UpdateData();
m_strCt4.Empty();
int keylen = m_strKey4.GetLength();
int ptlen = m_strPt4.GetLength();
int i = ptlen / keylen;
int j = ptlen % keylen;
if (0 != j)
{
for(int m = 0; m < keylen - j; ++m)
{
m_strPt4 += 'x';
}
i++;
}
int n, m, k;
for (n = 0; n < i; ++n)
{
for (m = 0; m < keylen; ++m)
{
for (k = 0; k < keylen; ++k)
{
if (m_strKey4[k] == '0' + m)
{
m_strCt4 += m_strPt4[n * keylen + k];
}
}
}
}
UpdateData(FALSE);
}
}
void CCrptDlg::OnD4()
{
// TODO: Add your control notification handler code here
if (m_bJ4 == 0)
{
AfxMessageBox("請檢查是否設(shè)置了密鑰或輸入了密文");
}
else
{
UpdateData();
m_strPt4.Empty();
int keylen = m_strKey4.GetLength();
int ctlen = m_strCt4.GetLength();
CString key;
key.Empty();
for (int e = 0; e < keylen; ++e)
{
for (int f = 0; f < keylen; ++f)
{
if (e == m_strKey4[f])
{
key += m_strKey4[f];
}
}
}
int i = ctlen / keylen;
int j = ctlen % keylen;
if (0 != j)
{
AfxMessageBox("請檢查密文格式是否正確");
}
else
{
int n, k;
for (n = 0; n < i; ++n)
{
for (k = 0; k < keylen; ++k)
{
m_strPt4 += m_strCt4[n * keylen + m_strKey4[k] - '0'];
}
}
}
UpdateData(FALSE);
}
}
void CCrptDlg::OnClearpt4()
{
// TODO: Add your control notification handler code here
UpdateData();
m_strPt4.Empty();
UpdateData(FALSE);
}
void CCrptDlg::OnClearct4()
{
// TODO: Add your control notification handler code here
UpdateData();
m_strCt4.Empty();
UpdateData(FALSE);
}
int CCrptDlg::transt(int a)
{
if (1 == a)
{
return 1;
}
else
{
int b, q, r, q0, x, x0, x1;
r = 1;
b = 26;
x1 = 1;
x0 = 0;
q0 = -1;
while (0 != r)
{
q = b / a;
r = b % a;
x = q0 * (-1) * x0 + x1;
q0 = q;
x1 = x0;
x0 = x;
b = a;
a = r;
}
return x;
}
}
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