Stallings, William <br/><br/>
Cryptography and Network Security 

 - 4th Ed 
 -  Tata McGraw-Hill  2008 
 - 680 
<br/><br/><label>ISBN: </label>978-81-7758-774-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication