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

 - 7th.ed 
 - Tamil Nadu  Pearson  2017. 
 - 766 p. 
<br/><br/><label>ISBN: </label>9789332585225 
<br/><br/><label>Dewey Class. No.: </label>005.8 STA