?? rsa_tooldlg.cpp
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// RSA_ToolDlg.cpp : implementation file
//
#include "stdafx.h"
#include "RSA_Tool.h"
#include "RSA_ToolDlg.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()
/////////////////////////////////////////////////////////////////////////////
// CRSA_ToolDlg dialog
CRSA_ToolDlg::CRSA_ToolDlg(CWnd* pParent /*=NULL*/)
: CDialog(CRSA_ToolDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CRSA_ToolDlg)
m_FirstPrime = _T("");
m_SecondPrime = _T("");
m_PrivateKeyD = _T("");
m_PublicKeyN = _T("");
m_EncryptedMsg = _T("");
m_DecryptedMsg = _T("");
m_OriginalMsg = _T("");
m_PublicKeyE = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
// Self Contruct
RSA_PContext = new RSA_CONTEXT ;
RSA_InitContext ( RSA_PContext ) ;
}
void CRSA_ToolDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CRSA_ToolDlg)
DDX_Control(pDX, IDC_KEYSIZE, m_KeySizeCon);
DDX_Text(pDX, IDC_FIRST_PRIME, m_FirstPrime);
DDV_MaxChars(pDX, m_FirstPrime, 1024);
DDX_Text(pDX, IDC_SECOND_PRIME, m_SecondPrime);
DDV_MaxChars(pDX, m_SecondPrime, 1024);
DDX_Text(pDX, IDC_PUBLICKEY_E, m_PublicKeyE) ;
DDX_Text(pDX, IDC_PRIVATEKEY_D, m_PrivateKeyD);
DDV_MaxChars(pDX, m_PrivateKeyD, 1024);
DDX_Text(pDX, IDC_PUBLICKEY_N, m_PublicKeyN);
DDV_MaxChars(pDX, m_PublicKeyN, 1024);
DDX_Text(pDX, IDC_ENCRYPTED_MESSAGE, m_EncryptedMsg);
DDX_Text(pDX, IDC_DECRYPTED_MESSAGE, m_DecryptedMsg);
DDX_Text(pDX, IDC_ORGINAL_MESSAGE, m_OriginalMsg);
DDX_CBString(pDX, IDC_PUBLICKEY_E, m_PublicKeyE);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CRSA_ToolDlg, CDialog)
//{{AFX_MSG_MAP(CRSA_ToolDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_GENERATE_TOTAL, OnGenerateTotal)
ON_CBN_EDITCHANGE(IDC_KEYSIZE, OnEditchangeKeysize)
ON_EN_CHANGE(IDC_ORGINAL_MESSAGE, OnChangeOrginalMessage)
ON_EN_CHANGE(IDC_FIRST_PRIME, OnChangeFirstPrime)
ON_EN_CHANGE(IDC_SECOND_PRIME, OnChangeSecondPrime)
ON_EN_CHANGE(IDC_PUBLICKEY_E, OnChangePublicKeyE)
ON_BN_CLICKED(IDC_GENERATE_N, OnGenerateN)
ON_BN_CLICKED(IDC_GENERATE_D, OnGenerateD)
ON_BN_CLICKED(IDC_DO_DECRYPT, OnDoDecrypt)
ON_BN_CLICKED(IDC_DO_ENCRYPT, OnDoEncrypt)
ON_BN_CLICKED(IDC_RAND_GENERATE_MESSAGE, OnRandGenerateMessage)
ON_BN_CLICKED(IDC_ABOUTDLG, OnAboutDlg)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CRSA_ToolDlg message handlers
BOOL CRSA_ToolDlg::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
hFirstPrime = this->GetDlgItem(IDC_FIRST_PRIME)->m_hWnd ;
hSecondPrime = this->GetDlgItem(IDC_SECOND_PRIME)->m_hWnd ;
hPublicE = this->GetDlgItem(IDC_PUBLICKEY_E)->m_hWnd ;
//設置密鑰長度組合框
UINT i, uTempKeySize = 32 ;
CString TempString = "" ;
for ( i = 0; i < 128; i++, uTempKeySize += 32 )
{
TempString.Format ( "%5ld bits", uTempKeySize ) ;
m_KeySizeCon.AddString ( TempString ) ;
}
m_KeySizeCon.SetCurSel ( 15 ) ;
//設置公鑰E的編輯框
m_PublicKeyE = "11" ;
this->UpdateData ( false ) ;
//gprime ( 100000 ) ;
return TRUE; // return TRUE unless you set the focus to a control
}
void CRSA_ToolDlg::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 CRSA_ToolDlg::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 CRSA_ToolDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
/****************************************************
* Self Defined Function *
****************************************************/
void CRSA_ToolDlg::OnGenerateTotal()
{
// TODO: Add your control notification handler code here
BeginWaitCursor() ;
RSA_SetKeySize ( RSA_PContext, (m_KeySizeCon.GetCurSel()+1)*32 ) ;
RSA_GenerateBigPrime ( RSA_PContext ) ;
RSA_UpdateContext ( RSA_PContext ) ;
mip->IOBASE = 16 ;
cotstr ( RSA_PContext->p, m_FirstPrime.GetBuffer(RSA_PContext->uKeySize) ) ;
cotstr ( RSA_PContext->q, m_SecondPrime.GetBuffer(RSA_PContext->uKeySize) ) ;
cotstr ( RSA_PContext->n, m_PublicKeyN.GetBuffer(RSA_PContext->uKeySize) ) ;
cotstr ( RSA_PContext->d, m_PrivateKeyD.GetBuffer(RSA_PContext->uKeySize) ) ;
this->UpdateData ( false ) ;
// 釋放CString對象的多余空間
m_FirstPrime.ReleaseBuffer();
m_SecondPrime.ReleaseBuffer();
m_PublicKeyN.ReleaseBuffer();
m_PrivateKeyD.ReleaseBuffer();
if ( m_PublicKeyN.GetLength() > 256 )
{
m_EncryptedMsg = "Big key, need press 'Decrypte !!!" ;
m_DecryptedMsg = "No encrypted message !!!" ;
this->UpdateData ( false ) ;
return ;
}
else
{
OnDoEncrypt() ;
OnDoDecrypt() ;
}
EndWaitCursor() ;
}
void CRSA_ToolDlg::OnEditchangeKeysize()
{
RSA_SetKeySize ( RSA_PContext, (m_KeySizeCon.GetCurSel()+1)*32 ) ;
}
void CRSA_ToolDlg::OnChangeOrginalMessage()
{
this->UpdateData() ;
if ( !m_OriginalMsg.GetLength() )
{
m_EncryptedMsg = m_DecryptedMsg = "" ;
this->UpdateData ( false ) ;
return ;
}
else if ( m_PublicKeyN.GetLength() > 256 )
{
m_EncryptedMsg = "Big key, need press 'Encrypte !!!" ;
m_DecryptedMsg = "No encrypted message !!!" ;
this->UpdateData ( false ) ;
return ;
}
else
{
OnDoEncrypt() ;
OnDoDecrypt() ;
}
}
void CRSA_ToolDlg::OnChangeFirstPrime()
{
this->UpdateData () ;
}
void CRSA_ToolDlg::OnChangeSecondPrime()
{
this->UpdateData () ;
}
void CRSA_ToolDlg::OnChangePublicKeyE()
{
this->UpdateData() ;
}
void CRSA_ToolDlg::OnGenerateN()
{
if ( !m_FirstPrime.GetLength() || !m_SecondPrime.GetLength() )
{
m_PublicKeyN = "No prime !!!" ;
this->UpdateData ( false ) ;
return ;
}
else if ( !IsHexString(m_FirstPrime) || !IsHexString(m_SecondPrime) )
{
m_PublicKeyN = "Prime is not valid hex-string !!!" ;
this->UpdateData ( false ) ;
return ;
}
mip->IOBASE = 16 ;
cinstr ( RSA_PContext->p, m_FirstPrime.GetBuffer (m_FirstPrime.GetLength()) ) ;
cinstr ( RSA_PContext->q, m_SecondPrime.GetBuffer(m_SecondPrime.GetLength()) ) ;
cinstr ( RSA_PContext->e, m_PublicKeyE.GetBuffer( m_PublicKeyE.GetLength() ) ) ;
RSA_UpdateContext ( RSA_PContext ) ;
cotstr ( RSA_PContext->n, m_PublicKeyN.GetBuffer(MAXKEYSIZE) ) ;
m_PublicKeyN.ReleaseBuffer () ;
this->UpdateData ( false ) ;
}
void CRSA_ToolDlg::OnGenerateD()
{
// TODO: Add your control notification handler code here
if ( !m_FirstPrime.GetLength() || !m_SecondPrime.GetLength() )
{
m_PrivateKeyD = "No prime !!!" ;
this->UpdateData ( false ) ;
return ;
}
else if ( !IsHexString(m_FirstPrime) || !IsHexString(m_SecondPrime) )
{
m_PrivateKeyD = "Prime is not valid hex-string !!!" ;
this->UpdateData ( false ) ;
return ;
}
else if ( !m_PublicKeyE.GetLength() )
{
m_PrivateKeyD = "No public key E !!!" ;
this->UpdateData ( false ) ;
return ;
}
mip->IOBASE = 16 ;
cinstr ( RSA_PContext->p, m_FirstPrime.GetBuffer (m_FirstPrime.GetLength()) ) ;
cinstr ( RSA_PContext->q, m_SecondPrime.GetBuffer(m_SecondPrime.GetLength()) ) ;
cinstr ( RSA_PContext->e, m_PublicKeyE.GetBuffer( m_PublicKeyE.GetLength() ) ) ;
RSA_UpdateContext ( RSA_PContext ) ;
cotstr ( RSA_PContext->d, m_PrivateKeyD.GetBuffer(MAXKEYSIZE) ) ;
m_PrivateKeyD.ReleaseBuffer () ;
this->UpdateData ( false ) ;
}
void CRSA_ToolDlg::OnDoEncrypt()
{
if ( !m_FirstPrime.GetLength() || !m_SecondPrime.GetLength() )
{
m_EncryptedMsg = "No prime !!!" ;
this->UpdateData ( false ) ;
return ;
}
else if ( !m_PublicKeyN.GetLength() )
{
m_EncryptedMsg = "No public key N !!!" ;
this->UpdateData ( false ) ;
return ;
}
else if ( !m_PublicKeyE.GetLength() )
{
m_EncryptedMsg = "No public key E !!!" ;
this->UpdateData ( false ) ;
return ;
}
else if ( !m_OriginalMsg.GetLength() )
{
m_EncryptedMsg = "No message !!!" ;
this->UpdateData ( false ) ;
return ;
}
BeginWaitCursor() ;
//把消息轉化為大數
big DigitalMsg = mirvar(0), EncryptedMsg = mirvar(0), DecryptedMsg = mirvar(0) ;
bytes_to_big ( m_OriginalMsg.GetLength(), \
m_OriginalMsg.GetBuffer(m_OriginalMsg.GetLength()), DigitalMsg ) ;
//加密消息，并以大數形式保存到EncyptedMsg
RSA_EncryptMessage ( RSA_PContext, DigitalMsg, EncryptedMsg ) ;
//把密文轉化為字符串
cotstr ( EncryptedMsg, m_EncryptedMsg.GetBuffer(MAXKEYSIZE) ) ;
m_EncryptedMsg.ReleaseBuffer() ;
EndWaitCursor() ;
this->UpdateData( false ) ;
}
void CRSA_ToolDlg::OnDoDecrypt()
{
if ( !m_FirstPrime.GetLength() || !m_SecondPrime.GetLength() )
{
m_DecryptedMsg = "No prime !!!" ;
this->UpdateData ( false ) ;
return ;
}
else if ( !m_PublicKeyE.GetLength() )
{
m_DecryptedMsg = "No public key E !!!" ;
this->UpdateData ( false ) ;
return ;
}
else if ( !m_PrivateKeyD.GetLength() )
{
m_DecryptedMsg = "No private key D !!!" ;
this->UpdateData ( false ) ;
return ;
}
else if ( !m_EncryptedMsg.GetLength() || !IsHexString(m_EncryptedMsg) )
{
m_DecryptedMsg = "No crypted message !!!" ;
this->UpdateData ( false ) ;
return ;
}
BeginWaitCursor() ;
big EncryptedMsg = mirvar(0), DecryptedMsg = mirvar(0) ;
cinstr ( EncryptedMsg, m_EncryptedMsg.GetBuffer( m_EncryptedMsg.GetLength() ) ) ;
//解密，并把解密后的消息以大數形式保存在EdcryptedMsg
RSA_DecryptMessage ( RSA_PContext, EncryptedMsg, DecryptedMsg ) ;
//把解密消息轉化為字符串
char pBuf[MAXKEYSIZE] = {0} ;
big_to_bytes ( 0, DecryptedMsg, pBuf, false ) ;
m_DecryptedMsg.Format ( "%s", pBuf ) ;
EndWaitCursor() ;
this->UpdateData ( false ) ;
}
void CRSA_ToolDlg::OnRandGenerateMessage()
{
srand ( time(NULL) ) ;
m_OriginalMsg = "" ;
for ( UINT i = 0; i < 50; i++ )
m_OriginalMsg += (char)(rand() % 0xA0) ;
this->UpdateData ( false ) ;
OnChangeOrginalMessage() ;
}
BOOL CRSA_ToolDlg::IsHexString ( CString TempString )
{
char TempCh;
UINT i, uLen = TempString.GetLength() ;
for ( i = 0; i < uLen; i++ )
{
TempCh = TempString.GetAt(i) ;
if ( !( TempCh >= '0' && TempCh <= '9' ) &&
!( TempCh >= 'A' && TempCh <= 'F' ) )
{
return FALSE ;
}
}
return TRUE ;
}
void CRSA_ToolDlg::OnAboutDlg ()
{
CDialog AboutDlg ( IDD_ABOUTBOX, this ) ;
AboutDlg.DoModal() ;
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