Kaufman, Charlie <br/><br/>
Network security : private communication in a public world 

 - 2 
 - New Delhi  PHI Learning  2002 
 - xviii, 470p.  
<br/><br/> Includes bibliographical references, glossary and index 
<br/><br/><label>ISBN: </label>9788120322134 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Electronic mail<br/>Firewalls<br/>Network security<br/>Public key algorithms