Stallings,William <br/><br/>
Cryptography and network security : principles and practice 

 - Noida  Pearson India Education Services Pub.  2018 
 - 766p. 
<br/><br/><label>ISBN: </label>9789332585225 
<br/><br/><label>Dewey Class. No.: </label>005.82  St18C