📄 数字签名dlg.cpp
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// 数字签名Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "数字签名.h"
#include "数字签名Dlg.h"
#include "BigInt.h"
#include "MD5.h"
#include "SHA1.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
CBigInt sha(CBigInt y);
CBigInt pow2( const int x, int y);
CBigInt makerandnumber( unsigned int len);
CBigInt pow3(CBigInt x, CBigInt y, CBigInt m);
/////////////////////////////////////////////////////////////////////////////
// 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)
virtual void OnOK();
//}}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)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// DMyDlg dialog
DMyDlg::DMyDlg(CWnd* pParent /*=NULL*/)
: CDialog(DMyDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(DMyDlg)
m_P = _T("");
m_Q = _T("");
m_G = _T(""); //mpdified in 2007.6.10
m_Y = _T("");
m_S = _T("");
m_V = _T("");
m_Len = 0;
m_OUT = _T("");
m_IN = _T("");
ready = 0;
m_file = _T("");
m_string = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void DMyDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(DMyDlg)
DDX_Text(pDX, IDC_P, m_P);
DDX_Text(pDX, IDC_Q, m_Q);
DDX_Text(pDX, IDC_G, m_G); // mpdified in 2007.6.10
DDX_Text(pDX, IDC_Y, m_Y);
DDX_Text(pDX, IDC_S, m_S);
DDX_Text(pDX, IDC_V, m_V);
DDX_CBIndex(pDX, IDC_COMBO, m_Len);
DDX_Text(pDX, IDC_OUTPUT, m_OUT);
DDX_Text(pDX, IDC_INPUT, m_IN);
DDX_Text(pDX, IDC_EDITFILE, m_file);
DDX_Text(pDX, IDC_STRING, m_string);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(DMyDlg, CDialog)
//{{AFX_MSG_MAP(DMyDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON_GET, OnButtonGet)
ON_BN_CLICKED(IDC_ENCRYPT, OnEncrypt)
ON_BN_CLICKED(IDC_DECRYPT, OnDecrypt)
ON_BN_CLICKED(IDC_Btnfile, OnBtnfile)
ON_EN_CHANGE(IDC_EDITFILE, OnChangeEditfile)
ON_EN_CHANGE(IDC_STRING, OnChangeString)
ON_BN_CLICKED(IDC_SHA1_RADIO, OnSha1Radio)
ON_BN_CLICKED(IDC_MD5_RADIO, OnMd5Radio)
ON_CBN_EDITCHANGE(IDC_COMBO, OnEditchangeCombo)
ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// DMyDlg message handlers
BOOL DMyDlg::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
CheckRadioButton(IDC_MD5_RADIO,IDC_SHA1_RADIO,IDC_MD5_RADIO);
UpdateData(FALSE);
return TRUE; // return TRUE unless you set the focus to a control
}
void DMyDlg::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 DMyDlg::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 DMyDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void DMyDlg::OnButtonGet()
{
// TODO: Add your control notification handler code here
ready=1;
UpdateData(TRUE);
CTime t0=CTime::GetCurrentTime();
/*
int len=8; //int len=2; modified in 2007 6. 9
for(int i=0;i<m_Len;i++){len*=2;}
P.Mov(0);
Q.Mov(0);
N.Mov(0);
E.Mov(0);
P.GetPrime(len);
Q.GetPrime(len);
N.Mov(P.Mul(Q));
N.Put(m_P);
P.m_ulValue[0]--;
Q.m_ulValue[0]--;
P.Mov(P.Mul(Q));
D.Mov(0x10001); //mpdified in 2007.6.10
// m_D="10001"; //mpdified in 2007.6.10
E.Mov(D.Euc(P));
E.Put(m_Q);
CTime t1=CTime::GetCurrentTime();
CTimeSpan t=t1-t0;
m_OUT.Format("%d",t.GetTotalSeconds());
m_OUT+=" 秒";
Q.m_ulValue[0]=0;
*/
CBigInt r,s,u,v[4],w,p,q,t; //,H,G,X,Y;
int n=3,b=31,L=512,g=160,T=1;
t.Mov(pow2(2,g));
while (T)
{
s.Mov(makerandnumber(g));
// r.Mov(s);
// r.Mov(r.Add(1));
// r.Mov(r.Mod(t));
// u.Mov(sha(s));
q.Mov(sha(s));
q.m_ulValue[0]=q.m_ulValue[0]|0x1;
q.m_ulValue[4]=q.m_ulValue[4]|0x80000000;
while (q.Rab()==0)
q.Mov(q.Add(2));
int C=0,N=2;
for (int k=0;k<4;k++)
{
v[k].Mov(s);
v[k].Mov(v[k].Add(N+k));
v[k].Mov(v[k].Mod(t));
v[k].Mov(sha(v[k]));
}
w.Mov(0);
r.Mov(1);
for ( k=0;k<3;k++)
{
v[k].Mov(v[k].Mul(r));
w.Mov(w.Add(v[k]));
r.Mov(r.Mul(t));
}
s.Mov(pow2(2,b));
v[k].Mov(v[k].Mod(s));
v[k].Mov(v[k].Mul(r));
w.Mov(w.Add(v[k]));
r.Mov(w);
r.Mov(r.Add(1));
w.Mov(w.Mod(q));
r.Mov(r.Sub(w));
p.Mov(r);
while (p.Rab()==0)
{
C=C+1;
N=N+n+1;
if (C==4096) break;
p.Mov(p.Add(q));
p.Mov(p.Add(q));
}
if (C<4096) break;
}
P.Mov(p);
Q.Mov(q);
H.Mov(makerandnumber(g));
X.Mov(makerandnumber(g));
X.Mov(X.Mod(Q));
t.Mov(P.Sub(1));
t.Mov(t.Div(Q));
G.Mov(H.RsaTrans(t, Q));
Y.Mov(G.RsaTrans(X, P));
P.Put(m_P);
Q.Put(m_Q);
G.Put(m_G);
Y.Put(m_Y);
// m_D="10001";
CTime t1=CTime::GetCurrentTime();
CTimeSpan t2=t1-t0;
m_OUT.Format("%d",t2.GetTotalSeconds());
m_OUT+=" 秒";
UpdateData(FALSE);
}
void DMyDlg::OnEncrypt()
{
// TODO: Add your control notification handler code here
CBigInt g,t;
if(ready==0)
{
m_OUT=_T("请先输入或生成N、D、E");
UpdateData(FALSE);
return;
}
UpdateData(TRUE);
if(m_IN.GetLength()>256)
{
m_OUT=_T("N不得大于256位");
UpdateData(FALSE);
return;
}
K.Mov(makerandnumber(160));
R.Mov(G.RsaTrans(K,P));
R.Mov(R.Mod(Q));
S.Mov(K.Euc(Q));
g.Get(m_IN);
t.Mov(X.Mul(R));
t.Mov(t.Mod(Q));
t.Mov(t.Add(g));
S.Mov(S.Mul(t));
S.Mov(S.Mod(Q));
R.Put(m_OUT);
S.Put(m_S);
/* for(int i=0;i<m_IN.GetLength();i++)
{
if((m_IN[i]<'0')||
((m_IN[i]>'9')&&(m_IN[i]<'A'))||
((m_IN[i]>'F')&&(m_IN[i]<'a'))||
(m_IN[i]>'f'))
{
m_OUT=_T("待加密数据必须为0-9或A-F或a-f组成的整数");
UpdateData(FALSE);
return;
}
}*/
// P.Get(m_IN);
// if(P.Cmp(N)>=0)
// {
// m_OUT=_T("待加密数据必须小于N");
// UpdateData(FALSE);
// return;
// }
// Q.Mov(P.RsaTrans(E,N));
// Q.Put(m_OUT);
UpdateData(FALSE);
}
void DMyDlg::OnDecrypt()
{
CBigInt W,U1,U2,t;
// TODO: Add your control notification handler code here
if((ready==0)||(Q.m_ulValue[0]==0))
{
m_OUT=_T("请先进行数字签名");
UpdateData(FALSE);
return;
}
W.Mov(S.Euc(Q));
U1.Get(m_IN);
U1.Mov(U1.Mul(W));
U1.Mov(U1.Mod(Q));
U2.Mov(R.Mul(W));
U2.Mov(U2.Mod(Q));
V.Mov(G.RsaTrans(U1,P));
V.Mov(V.Mod(P));
t.Mov(Y.RsaTrans(U2,P));
t.Mov(t.Mod(P));
V.Mov(V.Mul(t));
V.Mov(V.Mod(P));
V.Mov(V.Mod(Q));
if (V.Cmp(R)==0) V.Put(m_V);
R.Put(m_V);
// Q.Get(m_OUT);
// P.Mov(Q.RsaTrans(D,N));
// P.Put(m_OUT);
UpdateData(FALSE);
}
void DMyDlg::OnBtnfile()
{
// TODO: Add your control notification handler code here
CFileDialog m_FileOpen(TRUE);
//设置打开窗体的标题
m_FileOpen.m_ofn.lpstrTitle = _T("打开文件");
m_FileOpen.m_ofn.lpstrFilter = _T("文件 (*.*)\0*.*\0\0");
//点击浏览按钮
if(IDOK == m_FileOpen.DoModal())
{
//获取打开的文件路径
CString m_FileName = m_FileOpen.GetPathName();
CEdit* pEdit = (CEdit*)(GetDlgItem(IDC_EDITFILE));
//将选择的文件路径名显示到IDC_EDITFILE表识的EDIT中
pEdit->SetWindowText(m_FileName);
}
}
void byte2strhash(unsigned char *hash,int hashlen,unsigned char *out)
{
int i,x,y;
for (i = 0;i < hashlen; i++)
{
y = hash[i] >> 4;
y += 0x30;
if (y > 0x39) y+= 0x07;
x = hash[i] & 0x0F;
x += 0x30;
if (x > 0x39) x+= 0x07;
out[i << 1] = y;
out[(i << 1)+1] = x;
}
out[hashlen << 1] = 0x00;
}
void DMyDlg::OnChangeEditfile()
{
// TODO: If this is a RICHEDIT control, the control will not
// send this notification unless you override the CDialog::OnInitDialog()
// function and call CRichEditCtrl().SetEventMask()
// with the ENM_CHANGE flag ORed into the mask.
// TODO: Add your control notification handler code here
UpdateData(TRUE);
CString open=m_file;
MD5_CTX md5_ctx;
SHA1_CTX sha1_ctx;
int hashradio;
hashradio=GetCheckedRadioButton(IDC_MD5_RADIO,IDC_SHA1_RADIO);
if(hashradio==IDC_MD5_RADIO) //MD5
{
int i;
unsigned char digest[16],output[16];
FILE* file;
unsigned char buffer[16384];
MD5Init(&md5_ctx);
file = fopen(open, "rb");
i = fread(buffer, 1, 16384, file);
MD5Update(&md5_ctx, buffer, i);
MD5Final(digest, &md5_ctx);
fclose(file);
byte2strhash(digest,16,output);
CString str(output);
SetDlgItemText(IDC_INPUT,str);
}
else //SHA-1
{
int i;
unsigned char digest[20],output[20];
FILE* file;
unsigned char buffer[16384];
SHA1Init(&sha1_ctx);
file = fopen(open, "rb");
i = fread(buffer, 1, 16384, file);
SHA1Update(&sha1_ctx, buffer, i);
SHA1Final(digest, &sha1_ctx);
fclose(file);
byte2strhash(digest,20,output);
CString str(output);
SetDlgItemText(IDC_INPUT,str);
}
}
void DMyDlg::OnChangeString()
{
// TODO: If this is a RICHEDIT control, the control will not
// send this notification unless you override the CDialog::OnInitDialog()
// function and call CRichEditCtrl().SetEventMask()
// with the ENM_CHANGE flag ORed into the mask.
// TODO: Add your control notification handler code here
UpdateData(TRUE);
MD5_CTX md5_ctx;
SHA1_CTX sha1_ctx;
int hashradio;
hashradio=GetCheckedRadioButton(IDC_MD5_RADIO,IDC_SHA1_RADIO);
if(hashradio==IDC_MD5_RADIO) //MD5
{
unsigned char digest[16],output[16];
UpdateData(TRUE);
CString context=m_string;
MD5Init(&md5_ctx);
unsigned char *buf = (unsigned char*)context.GetBuffer(context.GetLength());
MD5Update(&md5_ctx,buf, strlen(context));
MD5Final(digest, &md5_ctx);
context.ReleaseBuffer();
byte2strhash(digest,16,output);
CString str(output);
SetDlgItemText(IDC_INPUT,str);
}
else //SHA1
{
unsigned char digest[20],output[20];
UpdateData(TRUE);
CString context=m_string;
SHA1Init(&sha1_ctx);
unsigned char *buf = (unsigned char*)context.GetBuffer(context.GetLength());
SHA1Update(&sha1_ctx,buf, strlen(context));
SHA1Final(digest, &sha1_ctx);
context.ReleaseBuffer();
byte2strhash(digest,20,output);
CString str(output);
SetDlgItemText(IDC_INPUT,str);
}
}
void DMyDlg::OnSha1Radio()
{
// TODO: Add your control notification handler code here
}
void DMyDlg::OnMd5Radio()
{
// TODO: Add your control notification handler code here
}
void DMyDlg::OnEditchangeCombo()
{
// TODO: Add your control notification handler code here
}
void DMyDlg::OnButton1()
{
// TODO: Add your control notification handler code here
CDialog::OnOK();
}
void CAboutDlg::OnOK()
{
// TODO: Add extra validation here
CDialog::OnOK();
}
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