Padmanabhan, T R <br/><br/>
Cryptography and security 

 -  New Delhi  Wiley India  2011 
 - xxx, 529p. : ill.   
<br/><br/> CDBK 3952; Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9788126522859 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Firewall<br/>Internet protocol security<br/>Network security<br/>System security<br/>Viruses and worms