?? md5dlg.cpp
字號:
// MD5Dlg.cpp : implementation file
//
#include "stdafx.h"
#include "MD5.h"
#include "MD5Dlg.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()
/////////////////////////////////////////////////////////////////////////////
// CMD5Dlg dialog
CMD5Dlg::CMD5Dlg(CWnd* pParent /*=NULL*/)
: CDialog(CMD5Dlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CMD5Dlg)
m_msg1 = _T("");
m_msg2 = _T("");
m_msg3 = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMD5Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CMD5Dlg)
DDX_Control(pDX, IDC_EDIT4, m_msg4);
DDX_Control(pDX, IDC_BUTTON2, m_shajm);
DDX_Control(pDX, IDC_BUTTON1, m_explain);
DDX_Control(pDX, IDOK, m_jiami);
DDX_Text(pDX, IDC_EDIT1, m_msg1);
DDX_Text(pDX, IDC_EDIT2, m_msg2);
DDX_Text(pDX, IDC_EDIT3, m_msg3);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CMD5Dlg, CDialog)
//{{AFX_MSG_MAP(CMD5Dlg)
ON_WM_SYSCOMMAND()
ON_WM_DESTROY()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, OnSHA)
ON_BN_CLICKED(IDC_BUTTON2, OnDelare)
ON_BN_CLICKED(IDC_BUTTON3, OnHELP)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMD5Dlg message handlers
BOOL CMD5Dlg::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_msg4.SetWindowText(" 請使用“MD5/SHA算法說明”按鈕進行切換，每按一次即顯示MD5的算法描述，再按一次則顯示SHA的算法描述。依次循環(huán)顯示");
return TRUE; // return TRUE unless you set the focus to a control
}
void CMD5Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
void CMD5Dlg::OnDestroy()
{
WinHelp(0L, HELP_QUIT);
CDialog::OnDestroy();
}
// 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 CMD5Dlg::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 CMD5Dlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
UINT4 squ(int i)//求2的i次方
{
UINT4 m=1;
for(int k=1;k<=i;k++)
m*=2;
return m;
}
void CMD5Dlg::MINGWENERJINZHI()
{
UpdateData(TRUE);
FILE *fp;
char ch;
static int i=0,j,str[8];
////////建立一個名為“明文處理后二進制表示.txt”保存好輸入的明文二進制信息
fp=fopen("MD5明文處理后二進制表示.txt","w");//建立文件“明文二進制處理后表示.txt”
int m=m_msg1.GetLength();
for(i=0;i<m;i++)
{
ch=m_msg1.GetAt(i);
for(j=0;j<8;j++)//把每個字符分別轉換為二進制數(shù)
{
str[j]=ch%2;
ch=ch/2;
}
for(j=7;j>=0;j--)
fprintf(fp,"%d",str[j]);//把每組八位二進制數(shù)依次存入文件中
}
////////填充原信息長度使其滿足512的倍數(shù)余448
int n_binary=m_msg1.GetLength()*8;//字符個數(shù)計算
int temp=n_binary;
int n=n_binary%512;//對512取余看其是否是512的倍數(shù)再余448
if(n==448)//如果剛好余448則追加64位表示原始信息長度的數(shù)據(jù)
;
else if(n<448)//如果不滿足n=448則對其實行追加至448,追加規(guī)則為追加的第一位為1其于為0直至n為448
{
int i=1;
int k=448-n;
fseek(fp,0,SEEK_END);
fprintf(fp,"%d",1);
while(i<=k-1)//信息的填充
{
i++;
fseek(fp,0,SEEK_END);
fprintf(fp,"%d",0);
}
}
else if(n>448)
{
int i=1;
int k=512-n;
fseek(fp,0,SEEK_END);
fprintf(fp,"%d",1);
while(i<=k+447)//信息的填充
{
i++;
fseek(fp,0,SEEK_END);
fprintf(fp,"%d",0);
}
}
////////追加最后64位信息長度
j=63;
int len_letter[64]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};//保存原信息的64位長度
while(temp>=1)//生成需追加的64位數(shù)
{
len_letter[j]=temp%2;
temp/=2;
j--;
}
for(j=7;j>=0;j--)
for(i=0;i<=7;i++)//追加64位表示原始信息長度的數(shù)據(jù)
{
fseek(fp,0,SEEK_END);
fprintf(fp,"%d",len_letter[j*8+i]);
}
fclose(fp);
}
UINT4 CMD5Dlg::char_to_long(int l,int t)//將32位數(shù)組轉換為4個字的長整型
{
int i=0;
UINT4 m[4]={0x0};
FILE *fp;
fp=fopen("MD5明文處理后二進制表示.txt","r+");
fseek(fp,t*512+l*32,0);//找到第t次512位循環(huán)的第l個子數(shù)組的開始位置
char buffer[33];
if(!feof(fp))
fread(buffer,sizeof(char),32,fp);
int temp[4][8];
for(int j=1;j<=4;j++)
for(i=0;i<8;i++)
temp[j-1][i]=buffer[32-j*8+i];
for(j=0;j<=3;j++)
for(i=0;i<=7;i++)
{
if(temp[j][i]=='1')
m[j]+=squ(7-i);
}
UINT4 mt=m[0]*squ(24)+m[1]*squ(16)+m[2]*squ(8)+m[3];
fclose(fp);
return mt;
}
void CMD5Dlg::OnOK()
{
UpdateData(TRUE);
if(m_msg1.IsEmpty())
{
m_msg1=' ';AfxMessageBox("無輸入時默認明文信息為空！");
}
MINGWENERJINZHI();
Init();
UINT4 x[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
int i;
UINT4 q;
if(count_file()%512==0)
q=count_file()/512-1;//q個512位執(zhí)行tp次
else
q=count_file()/512;
for(UINT4 k=0;k<=q;k++){
UINT4 a=state[0],b=state[1],c=state[2],d=state[3];
/////////產(chǎn)生16個子串
for(i=0;i<=15;i++)
x[i]=char_to_long(i,k);
/////////進入四輪主循環(huán)
/*Round 1*/
FF(a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
FF(d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
FF(c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
FF(b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
FF(a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
FF(d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
FF(c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
FF(b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
FF(a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
FF(d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
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