Kahate, Atul. <br/><br/>
Cryptography and network security 

 - 4th edition. 
 - New Delhi :  Mcgraw Hill Pub,  2021 
 - 456. 
<br/><br/><label>ISBN: </label>9789353163303 
<br/><br/><label>Dewey Class. No.: </label>005.42  / KAH