Stallings William <br/><br/>
Cryptography and Network Security: principles and Practices 

 - 7 
 - Noida  Pearson India Education Service Pvt.  2017 
 - 766 
<br/><br/><label>ISBN: </label>9789332585225 
<br/><br/><label>Dewey Class. No.: </label>005.8 STA