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Build your own cryptographically safe server/client protocol

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21 Jun 2006CPOL37 min read 394.6K   22.3K   380  
This article presents all you need to implement your own secure protocol using variable keysize RSA encryption/decryption, digital signing, multi precision library, Diffie-Hellman key exchange, Rijndael, and more. Everything is converged into a secure IOCP client/server chat server.
/*
*  HistoryEdit.h
*
*  Description:
*    CHistoryEdit interface
*
*    A CEdit subclass that allows you to display a scrolling history
*    of text entries.
*
*  Author:
*    Ravi Bhavnani (ravib@datablast.net)
*
*  Revision History:
*    15 Mar 1998   rab   Original version
*/

#ifndef _HistoryEdit_h_
#define _HistoryEdit_h_

/////////////////////////////////////////////////////////////////////////////
// CHistoryEdit window

class CHistoryEdit : public CEdit
{
	// Construction
public:
	CHistoryEdit();
	
	// Attributes
public:
	
	// Operations
public:
	void  AppendString (CString str);
	BOOL  IsSelectable() { return m_bSelectable; }
	void  AllowSelection (BOOL bAllowSelect) { m_bSelectable = bAllowSelect; }
	
	// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CHistoryEdit)
	//}}AFX_VIRTUAL
	
	// Implementation
public:
	void Clear();
	virtual ~CHistoryEdit();
	
	// Generated message map functions
protected:
	//{{AFX_MSG(CHistoryEdit)
	afx_msg void OnSetFocus(CWnd* pOldWnd);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
		
protected:
	BOOL  m_bSelectable;                          // flag: user can select text in control
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.

#endif

// End HistoryEdit.h

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


Written By
Program Manager
Sweden Sweden
Amin Gholiha.
Education:
- Master of Science in Information Technology.
- Degree of Master of Education.
Knowledge/interest: programming (.NET,Visual, C#/C++), neural network, mathematical modeling, signal processing, sequence analysis, pattern recognition,robot technology, system design, security and business management systems. For business proposal email Gholiha@rocketmail.com, all other emails will be ignored.
Current Work:
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www.easysoft.nu (the best free e-signature tool)

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