Stallings, William <br/><br/>
Cryptography and network security: principles and Practice 

 - 5 
 - Noida  Dorling Kindersley  2011 
 - xviii, 454p. : ill.  
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788131761663 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Data encryption<br/>Network security<br/>System security