Stallings William <br/><br/>
Cryptography and Network Security   : Principles and Practice 

 - 7th Ed. 
 - Noida  Pearson India Education   2017 
 - xviii, 766p. 
<br/><br/><label>ISBN: </label>9789332585225 
<br/><br/><label>Dewey Class. No.: </label>005.8  / STA/C