Stallings William .  <br/><br/>
Cryptography and network security : principles and practices 

 - 5th edition. 
 - New Delhi :   Pearson   2012. 
 - 385.  
<br/><br/><label>ISBN: </label>978-81-775-8774-6  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering,
<br/><br/><label>Dewey Class. No.: </label>005.82  / STA