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

 - 7th ed. 
 - Noida  Pearson  2019 
 - 766p. 
<br/><br/><label>ISBN: </label>9789332585225 
<br/><br/><label>Dewey Class. No.: </label>005.8  / STA