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Cryptest (MFC Style Crypto++ v4.2 Library GUI).

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6 Jan 2002CPOL3 min read 238K   2.7K   91  
A GUI version of the Crypto++ v4.2 Library that was written by Wei Dai.
 
// FileStffDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Cryptest.h"
#include "FileStffDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CFileStffDlg dialog


CFileStffDlg::CFileStffDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CFileStffDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CFileStffDlg)
	m_nCompLevel = 9;
	m_nNumShares = 2;
	m_nThreshold = 2;
	m_csFileName = _T("");
	m_csSeed = _T("");
	m_csReName = _T("");
	//}}AFX_DATA_INIT

	m_nFileType = 1;
}


void CFileStffDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFileStffDlg)
	DDX_Control(pDX, BTN_RE_BROWSE, m_btnReBrowse);
	DDX_Control(pDX, BTN_FILE_BROWSE, m_btnBrowse);
	DDX_Control(pDX, LIST_FILE_STUFF, m_lcFileStuff);
	DDX_Control(pDX, EDIT_THRESHOLD, m_edtThreshold);
	DDX_Control(pDX, EDIT_RE_NAME, m_edtReName);
	DDX_Control(pDX, EDIT_NUM_SHARES, m_edtNumShare);
	DDX_Control(pDX, EDIT_FILE_SEED, m_edtFileSeed);
	DDX_Control(pDX, EDIT_FILE_NAME, m_edtFileName);
	DDX_Text(pDX, EDIT_COMPRESSION_LEVEL, m_nCompLevel);
	DDX_Text(pDX, EDIT_NUM_SHARES, m_nNumShares);
	DDX_Text(pDX, EDIT_THRESHOLD, m_nThreshold);
	DDX_Text(pDX, EDIT_FILE_NAME, m_csFileName);
	DDX_Text(pDX, EDIT_FILE_SEED, m_csSeed);
	DDX_Text(pDX, EDIT_RE_NAME, m_csReName);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CFileStffDlg, CDialog)
	//{{AFX_MSG_MAP(CFileStffDlg)
	ON_BN_CLICKED(BTN_FILE_BROWSE, OnFileBrowse)
	ON_BN_CLICKED(RAD_DIGEST, OnDigest)
	ON_BN_CLICKED(RAD_DISPERSE, OnDisperse)
	ON_BN_CLICKED(RAD_DISPERSE_RECONTRUCT, OnDisperseRecontruct)
	ON_BN_CLICKED(RAD_FILE_ENCRYPT, OnFileEncrypt)
	ON_BN_CLICKED(RAD_FILE_DECRYPT, OnFileDecrypt)
	ON_BN_CLICKED(RAD_GZIP, OnGzip)
	ON_BN_CLICKED(RAD_GUNZIP, OnGunzip)
	ON_BN_CLICKED(RAD_SECRET_SHARE, OnSecretShare)
	ON_BN_CLICKED(RAD_SECRET_SHARE_RECONTRUCT, OnSecretShareRecontruct)
	ON_BN_CLICKED(BTN_FILE_DOIT, OnFileDoit)
	ON_BN_CLICKED(BTN_RE_BROWSE, OnReBrowse)
	ON_EN_CHANGE(EDIT_COMPRESSION_LEVEL, OnChangeCompressionLevel)
	ON_EN_CHANGE(EDIT_NUM_SHARES, OnChangeNumShares)
	ON_EN_CHANGE(EDIT_THRESHOLD, OnChangeThreshold)
	ON_WM_CLOSE()
	ON_BN_CLICKED(BTN_EXIT, OnExit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFileStffDlg message handlers

BOOL CFileStffDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();

	OnFileEncrypt();
	
	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	
	// Setup the column headings
	CRect rect;
	m_lcFileStuff.GetClientRect(&rect);

	// Setup the list control
	ListView_SetExtendedListViewStyle(m_lcFileStuff.m_hWnd, LVS_EX_FULLROWSELECT | LVS_EX_INFOTIP);
		
	m_lcFileStuff.InsertColumn( 0, _T("Digest"), LVCFMT_LEFT, 80);
	m_lcFileStuff.InsertColumn( 1, _T("Bytes"), LVCFMT_LEFT, 40);
	m_lcFileStuff.InsertColumn( 2, _T("Results"), LVCFMT_LEFT, (rect.Width() - 120));

	pcCryptest->m_lcFileStuff = &m_lcFileStuff;

	GetDlgItem(EDIT_FILE_NAME)->SetWindowText(_T("Ready - Press the button to pick a file ==> "));
	GetDlgItem(EDIT_RE_NAME)->SetWindowText(_T("Re-construct - Press the button to pick files ==> "));
	GetDlgItem(EDIT_FILE_SEED)->SetWindowText(_T("Set the 'Secret Share Seed'!"));

	EnableDoiIt();

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CFileStffDlg::OnOK() 
{
	//CDialog::OnOK();
}

void CFileStffDlg::OnCancel() 
{
	//CDialog::OnCancel();
}

void CFileStffDlg::OnClose() 
{
	CDialog::OnOK();
}

void CFileStffDlg::OnExit() 
{
	OnClose();
}

void CFileStffDlg::OnFileBrowse() 
{
	// maximum common dialog buffer size
	char bigBuff[2048] = "";
	CString csFilter = _T("");
	DWORD dwFlags = 0;

	switch (m_nFileType)
	{

		case 1:
		case 2:
		case 4:
		case 6:
		case 8:
			csFilter = _T("All Files (*.*)|*.*||");
			break;
		case 3:
			csFilter = _T("Dispersed Files (*.*)|*.*||");
			dwFlags = OFN_EXPLORER | OFN_ALLOWMULTISELECT;
			break;
		case 5:
			csFilter = _T("Encrypted Files (*.enc)|*.enc||");
			break;
		case 7:
			csFilter = _T("G-Ziped Files (*.gzip)|*.gzip||");
			break;
		case 9:
			csFilter = _T("Secret Shared Files (*.*)|*.*||");
			dwFlags = OFN_EXPLORER | OFN_ALLOWMULTISELECT;
			break;
	}

	CFileDialog dlg(TRUE, NULL, NULL, dwFlags, csFilter);

	// Modify OPENFILENAME members directly to point to bigBuff
	dlg.m_ofn.lpstrFile = bigBuff;
	dlg.m_ofn.nMaxFile = sizeof(bigBuff);

	int iReturn = dlg.DoModal();
	if (iReturn == IDOK)
	{
		m_csFileName = dlg.GetPathName();
		GetDlgItem(EDIT_FILE_NAME)->SetWindowText(m_csFileName);
	}
	EnableDoiIt();
}

void CFileStffDlg::OnReBrowse() 
{
	if ((m_nFileType == 3) || (m_nFileType == 9))
	{

		CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	
		m_csaFiles.RemoveAll();

		// maximum common dialog buffer size
		char bigBuff[2048] = "";
		CString csFilter = _T("");
		DWORD dwFlags = OFN_EXPLORER | OFN_ALLOWMULTISELECT;

		if (m_nFileType == 3)
			csFilter = _T("Dispersed Files (*.*)|*.*||");
		else if (m_nFileType == 9)
			csFilter = _T("Secret Shared Files (*.*)|*.*||");

		CFileDialog dlg(TRUE, NULL, NULL, dwFlags, csFilter);

		// Modify OPENFILENAME members directly to point to bigBuff
		dlg.m_ofn.lpstrFile = bigBuff;
		dlg.m_ofn.nMaxFile = sizeof(bigBuff);

		m_csReName = _T("");

		int iReturn = dlg.DoModal();
		if (iReturn == IDOK)
		{
			CString csTmp = _T("");
			POSITION pos = dlg.GetStartPosition();
			while (pos != NULL)
			{
				CString csPath = dlg.GetNextPathName(pos);
				m_csaFiles.Add(csPath);
				CStringArray csaTmp;
				pcCryptest->Split(csPath, _T("\\"), csaTmp, FALSE);
				csTmp += _T("\"") + csaTmp.GetAt(csaTmp.GetUpperBound()) + _T("\" ");
			}

			if (csTmp.GetLength() > 1)
				m_csReName = csTmp.Left(csTmp.GetLength() - 1);

		}
		GetDlgItem(EDIT_RE_NAME)->SetWindowText(m_csReName);
	}
	EnableDoiIt();
}

void CFileStffDlg::EnableDoiIt(void)
{

	UpdateData(TRUE);

	switch (m_nFileType)
	{
		case 1:
		case 2:
		case 4:
		case 5:
		case 6:
		case 7:
		case 8:
			if ((!m_csFileName.IsEmpty()) && ((m_csFileName.GetAt(1) == TCHAR(':')) || (m_csFileName.GetAt(1) == TCHAR('\\'))))
				GetDlgItem(BTN_FILE_DOIT)->EnableWindow(TRUE);
			else
				GetDlgItem(BTN_FILE_DOIT)->EnableWindow(FALSE);

			break;
		case 3:
		case 9:
			if (m_csReName.Left(3) != _T("Re-"))
				GetDlgItem(BTN_FILE_DOIT)->EnableWindow(TRUE);
			else
				GetDlgItem(BTN_FILE_DOIT)->EnableWindow(FALSE);

			break;
	}
	

}

void CFileStffDlg::OnDigest() 
{
	m_nFileType = 1;
	GetDlgItem(BTN_FILE_DOIT)->SetWindowText(_T("Digest It"));
	GetDlgItem(STATIC_FILE_INFO)->SetWindowText(_T("Calculate MD5, SHA, and RIPEMD-160 message digests"));
	GetDlgItem(EDIT_FILE_NAME)->EnableWindow(TRUE);
	GetDlgItem(EDIT_COMPRESSION_LEVEL)->EnableWindow(FALSE);
	GetDlgItem(EDIT_NUM_SHARES)->EnableWindow(FALSE);
	GetDlgItem(EDIT_THRESHOLD)->EnableWindow(FALSE);
	GetDlgItem(EDIT_FILE_SEED)->EnableWindow(FALSE);
	GetDlgItem(EDIT_RE_NAME)->EnableWindow(FALSE);
	GetDlgItem(BTN_FILE_BROWSE)->EnableWindow(TRUE);
	GetDlgItem(BTN_RE_BROWSE)->EnableWindow(FALSE);
	CheckRadioButton(1020, 1028, 1028);
	EnableDoiIt();
	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	pcCryptest->m_nFSItemCnt = 0;
}

void CFileStffDlg::OnDisperse() 
{
	m_nFileType = 2;
	GetDlgItem(BTN_FILE_DOIT)->SetWindowText(_T("Disperse It"));
	GetDlgItem(STATIC_FILE_INFO)->SetWindowText(_T("Information disperse a file (shares will be named file.000, file.001, etc)"));
	GetDlgItem(EDIT_FILE_NAME)->EnableWindow(TRUE);
	GetDlgItem(EDIT_COMPRESSION_LEVEL)->EnableWindow(FALSE);
	GetDlgItem(EDIT_NUM_SHARES)->EnableWindow(TRUE);
	GetDlgItem(EDIT_THRESHOLD)->EnableWindow(TRUE);
	GetDlgItem(EDIT_FILE_SEED)->EnableWindow(FALSE);
	GetDlgItem(EDIT_RE_NAME)->EnableWindow(FALSE);
	GetDlgItem(BTN_FILE_BROWSE)->EnableWindow(TRUE);
	GetDlgItem(BTN_RE_BROWSE)->EnableWindow(FALSE);
	CheckRadioButton(1020, 1028, 1024);
	EnableDoiIt();
	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	pcCryptest->m_nFSItemCnt = 0;
}

void CFileStffDlg::OnDisperseRecontruct() 
{
	m_nFileType = 3;
	GetDlgItem(BTN_FILE_DOIT)->SetWindowText(_T("Re-Disperse It"));
	GetDlgItem(STATIC_FILE_INFO)->SetWindowText(_T("Reconstruct an information-dispersed file"));
	GetDlgItem(EDIT_FILE_NAME)->EnableWindow(FALSE);
	GetDlgItem(EDIT_COMPRESSION_LEVEL)->EnableWindow(FALSE);
	GetDlgItem(EDIT_NUM_SHARES)->EnableWindow(FALSE);
	GetDlgItem(EDIT_THRESHOLD)->EnableWindow(TRUE);
	GetDlgItem(EDIT_FILE_SEED)->EnableWindow(FALSE);
	GetDlgItem(EDIT_RE_NAME)->EnableWindow(TRUE);
	GetDlgItem(BTN_FILE_BROWSE)->EnableWindow(FALSE);
	GetDlgItem(BTN_RE_BROWSE)->EnableWindow(TRUE);
	CheckRadioButton(1020, 1028, 1025);
	EnableDoiIt();
	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	pcCryptest->m_nFSItemCnt = 0;
}

void CFileStffDlg::OnFileEncrypt() 
{
	m_nFileType = 4;
	GetDlgItem(BTN_FILE_DOIT)->SetWindowText(_T("Encrypt It"));
	GetDlgItem(STATIC_FILE_INFO)->SetWindowText(_T("Encrypt a file"));
	GetDlgItem(EDIT_FILE_NAME)->EnableWindow(TRUE);
	GetDlgItem(EDIT_COMPRESSION_LEVEL)->EnableWindow(FALSE);
	GetDlgItem(EDIT_NUM_SHARES)->EnableWindow(FALSE);
	GetDlgItem(EDIT_THRESHOLD)->EnableWindow(FALSE);
	GetDlgItem(EDIT_FILE_SEED)->EnableWindow(FALSE);
	GetDlgItem(EDIT_RE_NAME)->EnableWindow(FALSE);
	GetDlgItem(BTN_FILE_BROWSE)->EnableWindow(TRUE);
	GetDlgItem(BTN_RE_BROWSE)->EnableWindow(FALSE);
	CheckRadioButton(1020, 1028, 1020);
	EnableDoiIt();
	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	pcCryptest->m_nFSItemCnt = 0;
}

void CFileStffDlg::OnFileDecrypt() 
{
	m_nFileType = 5;
	GetDlgItem(BTN_FILE_DOIT)->SetWindowText(_T("Decrypt It"));
	GetDlgItem(STATIC_FILE_INFO)->SetWindowText(_T("Decrypt a file"));
	GetDlgItem(EDIT_FILE_NAME)->EnableWindow(TRUE);
	GetDlgItem(EDIT_COMPRESSION_LEVEL)->EnableWindow(FALSE);
	GetDlgItem(EDIT_NUM_SHARES)->EnableWindow(FALSE);
	GetDlgItem(EDIT_THRESHOLD)->EnableWindow(FALSE);
	GetDlgItem(EDIT_FILE_SEED)->EnableWindow(FALSE);
	GetDlgItem(EDIT_RE_NAME)->EnableWindow(FALSE);
	GetDlgItem(BTN_FILE_BROWSE)->EnableWindow(TRUE);
	GetDlgItem(BTN_RE_BROWSE)->EnableWindow(FALSE);
	CheckRadioButton(1020, 1028, 1021);
	EnableDoiIt();
	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	pcCryptest->m_nFSItemCnt = 0;
}

void CFileStffDlg::OnGzip() 
{
	m_nFileType = 6;
	GetDlgItem(BTN_FILE_DOIT)->SetWindowText(_T("G-Zip It"));
	GetDlgItem(STATIC_FILE_INFO)->SetWindowText(_T("G-Zip a file"));
	GetDlgItem(EDIT_FILE_NAME)->EnableWindow(TRUE);
	GetDlgItem(EDIT_COMPRESSION_LEVEL)->EnableWindow(TRUE);
	GetDlgItem(EDIT_NUM_SHARES)->EnableWindow(FALSE);
	GetDlgItem(EDIT_THRESHOLD)->EnableWindow(FALSE);
	GetDlgItem(EDIT_FILE_SEED)->EnableWindow(FALSE);
	GetDlgItem(EDIT_RE_NAME)->EnableWindow(FALSE);
	GetDlgItem(BTN_FILE_BROWSE)->EnableWindow(TRUE);
	GetDlgItem(BTN_RE_BROWSE)->EnableWindow(FALSE);
	CheckRadioButton(1020, 1028, 1026);
	EnableDoiIt();
	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	pcCryptest->m_nFSItemCnt = 0;
}

void CFileStffDlg::OnGunzip() 
{
	m_nFileType = 7;
	GetDlgItem(BTN_FILE_DOIT)->SetWindowText(_T("G-Unzip It"));
	GetDlgItem(STATIC_FILE_INFO)->SetWindowText(_T("G-Unzip a file"));
	GetDlgItem(EDIT_FILE_NAME)->EnableWindow(TRUE);
	GetDlgItem(EDIT_COMPRESSION_LEVEL)->EnableWindow(FALSE);
	GetDlgItem(EDIT_NUM_SHARES)->EnableWindow(FALSE);
	GetDlgItem(EDIT_THRESHOLD)->EnableWindow(FALSE);
	GetDlgItem(EDIT_FILE_SEED)->EnableWindow(FALSE);
	GetDlgItem(EDIT_RE_NAME)->EnableWindow(FALSE);
	GetDlgItem(BTN_FILE_BROWSE)->EnableWindow(TRUE);
	GetDlgItem(BTN_RE_BROWSE)->EnableWindow(FALSE);
	CheckRadioButton(1020, 1028, 1027);
	EnableDoiIt();
	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	pcCryptest->m_nFSItemCnt = 0;
}

void CFileStffDlg::OnSecretShare() 
{
	m_nFileType = 8;
	GetDlgItem(BTN_FILE_DOIT)->SetWindowText(_T("Share It"));
	GetDlgItem(STATIC_FILE_INFO)->SetWindowText(_T("Secret share a file (shares will be named file.000, file.001, etc)"));
	GetDlgItem(EDIT_FILE_NAME)->EnableWindow(TRUE);
	GetDlgItem(EDIT_COMPRESSION_LEVEL)->EnableWindow(FALSE);
	GetDlgItem(EDIT_NUM_SHARES)->EnableWindow(TRUE);
	GetDlgItem(EDIT_THRESHOLD)->EnableWindow(TRUE);
	GetDlgItem(EDIT_FILE_SEED)->EnableWindow(TRUE);
	GetDlgItem(EDIT_RE_NAME)->EnableWindow(FALSE);
	GetDlgItem(BTN_FILE_BROWSE)->EnableWindow(TRUE);
	GetDlgItem(BTN_RE_BROWSE)->EnableWindow(FALSE);
	CheckRadioButton(1020, 1028, 1022);
	EnableDoiIt();
	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	pcCryptest->m_nFSItemCnt = 0;
}

void CFileStffDlg::OnSecretShareRecontruct() 
{
	m_nFileType = 9;
	GetDlgItem(BTN_FILE_DOIT)->SetWindowText(_T("Re-Share It"));
	GetDlgItem(STATIC_FILE_INFO)->SetWindowText(_T("Reconstruct a secret-shared file"));
	GetDlgItem(EDIT_FILE_NAME)->EnableWindow(FALSE);
	GetDlgItem(EDIT_COMPRESSION_LEVEL)->EnableWindow(FALSE);
	GetDlgItem(EDIT_NUM_SHARES)->EnableWindow(FALSE);
	GetDlgItem(EDIT_THRESHOLD)->EnableWindow(TRUE);
	GetDlgItem(EDIT_FILE_SEED)->EnableWindow(FALSE);
	GetDlgItem(EDIT_RE_NAME)->EnableWindow(TRUE);
	GetDlgItem(BTN_FILE_BROWSE)->EnableWindow(TRUE);
	GetDlgItem(BTN_RE_BROWSE)->EnableWindow(TRUE);
	CheckRadioButton(1020, 1028, 1023);
	EnableDoiIt();
	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();
	pcCryptest->m_nFSItemCnt = 0;
}

void CFileStffDlg::OnFileDoit() 
{
	
	CWaitCursor wait;

	CCryptestApp* pcCryptest = (CCryptestApp*) AfxGetApp();

	UpdateData(TRUE);

	int n=0;

	CString csFilePath = _T("");
	char *inFile[1000];

	m_lcFileStuff.DeleteAllItems();
	pcCryptest->m_nFSItemCnt = 0;

	switch (m_nFileType)
	{
		case 1:
			if ((!m_csFileName.IsEmpty()) && ((m_csFileName.GetAt(1) == TCHAR(':')) || (m_csFileName.GetAt(1) == TCHAR('\\'))))
			{
				pcCryptest->DigestFile(m_csFileName);
				GetDlgItem(EDIT_FILE_NAME)->SetWindowText(_T("Ready - Press the button to pick a file ==> "));
			}
			else
			{
				AfxMessageBox(_T("You MUST have a 'File Name'!"));
				m_btnBrowse.SetFocus() ;
			}
			break;
		case 2:
			if ((!m_csFileName.IsEmpty()) && ((m_csFileName.GetAt(1) == TCHAR(':')) || (m_csFileName.GetAt(1) == TCHAR('\\'))))
			{
				pcCryptest->InformationDisperseFile(m_nThreshold, m_nNumShares, m_csFileName);
				m_lcFileStuff.InsertItem(pcCryptest->m_nFSItemCnt, _T("Done..."));
				GetDlgItem(EDIT_FILE_NAME)->SetWindowText(_T("Ready - Press the button to pick a file ==> "));
			}
			else
			{
				AfxMessageBox(_T("You MUST have a 'File Name'!"));
				m_btnBrowse.SetFocus() ;
			}
			break;
		case 3:
			if (m_csaFiles.GetSize() > 1)
			{
				for (n=0; n<m_csaFiles.GetSize(); n++)
				{
					csFilePath = m_csaFiles.GetAt(n);

					if (n==0)
						m_csFileName = csFilePath.Left(csFilePath.ReverseFind(TCHAR('.')));

					inFile[n] = new char [csFilePath.GetLength()];
					sprintf(inFile[n], m_csaFiles.GetAt(n));
					csFilePath = _T("");
				}
				pcCryptest->InformationRecoverFile(m_nThreshold, m_csFileName, inFile);
				m_csaFiles.RemoveAll();
				GetDlgItem(EDIT_RE_NAME)->SetWindowText(_T("Re-construct - Press the button to pick files ==> "));
				m_lcFileStuff.InsertItem(pcCryptest->m_nFSItemCnt, _T("Done..."));
			}
			else
			{
				AfxMessageBox(_T("You MUST have some 'Re-Names'!"));
				m_btnReBrowse.SetFocus() ;
			}
			break;
		case 4:
			if ((!m_csFileName.IsEmpty()) && ((m_csFileName.GetAt(1) == TCHAR(':')) || (m_csFileName.GetAt(1) == TCHAR('\\'))))
			{
				if (!m_csSeed.IsEmpty())
				{
					pcCryptest->EncryptFile(m_csFileName, m_csFileName + _T(".enc"), m_csSeed);
					GetDlgItem(EDIT_FILE_NAME)->SetWindowText(_T("Ready - Press the button to pick a file ==> "));
				}
				else
				{
					AfxMessageBox(_T("You MUST have a 'Seed'!"));
					m_edtFileSeed.SetFocus() ;
				}
				m_lcFileStuff.InsertItem(pcCryptest->m_nFSItemCnt, _T("Done..."));
			}
			else
			{
				AfxMessageBox(_T("You MUST have a 'File Name'!"));
				m_btnBrowse.SetFocus() ;
			}
			break;
		case 5:
			if ((!m_csFileName.IsEmpty()) && ((m_csFileName.GetAt(1) == TCHAR(':')) || (m_csFileName.GetAt(1) == TCHAR('\\'))))
			{
				pcCryptest->DecryptFile(m_csFileName, m_csFileName.Left(m_csFileName.GetLength() - 4), m_csSeed);
				m_lcFileStuff.InsertItem(pcCryptest->m_nFSItemCnt, _T("Done..."));
				GetDlgItem(EDIT_FILE_NAME)->SetWindowText(_T("Ready - Press the button to pick a file ==> "));
			}
			else
			{
				AfxMessageBox(_T("You MUST have a 'File Name'!"));
				m_btnBrowse.SetFocus() ;
			}
			break;
		case 6:
			if ((!m_csFileName.IsEmpty()) && ((m_csFileName.GetAt(1) == TCHAR(':')) || (m_csFileName.GetAt(1) == TCHAR('\\'))))
			{
				pcCryptest->GzipFile(m_csFileName, m_csFileName + _T(".gzip"), m_nCompLevel);
				m_lcFileStuff.InsertItem(pcCryptest->m_nFSItemCnt, _T("Done..."));
				GetDlgItem(EDIT_FILE_NAME)->SetWindowText(_T("Ready - Press the button to pick a file ==> "));
			}
			else
			{
				AfxMessageBox(_T("You MUST have a 'File Name'!"));
				m_btnBrowse.SetFocus() ;
			}
			break;
		case 7:
			if ((!m_csFileName.IsEmpty()) && ((m_csFileName.GetAt(1) == TCHAR(':')) || (m_csFileName.GetAt(1) == TCHAR('\\'))))
			{
				pcCryptest->GunzipFile(m_csFileName, m_csFileName.Left(m_csFileName.GetLength() - 5));
				m_lcFileStuff.InsertItem(pcCryptest->m_nFSItemCnt, _T("Done..."));
				GetDlgItem(EDIT_FILE_NAME)->SetWindowText(_T("Ready - Press the button to pick a file ==> "));
			}
			else
			{
				AfxMessageBox(_T("You MUST have a 'File Name'!"));
				m_btnBrowse.SetFocus() ;
			}
			break;
		case 8:
			if ((!m_csFileName.IsEmpty()) && ((m_csFileName.GetAt(1) == TCHAR(':')) || (m_csFileName.GetAt(1) == TCHAR('\\'))))
			{
				if (!m_csSeed.IsEmpty())
				{
					pcCryptest->SecretShareFile(m_nThreshold, m_nNumShares, m_csFileName, m_csSeed);
					GetDlgItem(EDIT_FILE_NAME)->SetWindowText(_T("Ready - Press the button to pick a file ==> "));
				}
				else
				{
					AfxMessageBox(_T("You MUST have a 'Seed'!"));
					m_edtFileSeed.SetFocus() ;
				}
				m_lcFileStuff.InsertItem(pcCryptest->m_nFSItemCnt, _T("Done..."));
			}
			else
			{
				AfxMessageBox(_T("You MUST have a 'File Name'!"));
				m_btnBrowse.SetFocus() ;
			}
			break;
		case 9:
			if (m_csaFiles.GetSize() > 1)
			{
				for (n=0; n<m_csaFiles.GetSize(); n++)
				{
					csFilePath = m_csaFiles.GetAt(n);

					if (n==0)
						m_csFileName = csFilePath.Left(csFilePath.ReverseFind(TCHAR('.')));

					inFile[n] = new char [csFilePath.GetLength()];
					sprintf(inFile[n], m_csaFiles.GetAt(n));
					csFilePath = _T("");
				}
				pcCryptest->SecretRecoverFile(m_nThreshold, m_csFileName, inFile);
				m_csaFiles.RemoveAll();
				GetDlgItem(EDIT_RE_NAME)->SetWindowText(_T("Re-construct - Press the button to pick files ==> "));
				m_lcFileStuff.InsertItem(pcCryptest->m_nFSItemCnt, _T("Done..."));
			}
			else
			{
				AfxMessageBox(_T("You MUST have some 'Re-Names'!"));
				m_btnReBrowse.SetFocus() ;
			}
			break;
	}
}


void CFileStffDlg::OnChangeCompressionLevel() 
{
	UpdateData(TRUE);
	if ((m_nCompLevel > 9) || (m_nCompLevel < 0))
		AfxMessageBox(_T("You MUST have a 'Compression Level' between 0-9!"));

}

void CFileStffDlg::OnChangeNumShares() 
{
	UpdateData(TRUE);
	if ((m_nNumShares > 999) || (m_nNumShares < 2))
		AfxMessageBox(_T("You MUST have a '# of Shares' between 2-999!"));

}

void CFileStffDlg::OnChangeThreshold() 
{
	UpdateData(TRUE);
	if ((m_nThreshold > 999) || (m_nThreshold < 2))
		AfxMessageBox(_T("You MUST have a 'Threshold' between 2-999!"));

}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Dan Madden
Product Manager
Germany Germany
I have been programming (as a hobby) for 20+ years (Unix C, Scripting, VB, C/C++, C#). I am getting too old to talk about it and been in the Security line of work (both Military/Civilian) for 25+ years.

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Posted 6 Jan 2002

Article Copyright 2002 by Dan Madden
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