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>Source: </label> 754.00 PKR 
<br/><br/><label>Dewey Class. No.: </label>005.82 STA  / P6164