Stallings W. <br/><br/>
Cryptography and network security  Principles and practice 

 - 7 . Ed. 
 - New Delhi  Pearson Education  2017 
 - 766p. 
<br/><br/><label>ISBN: </label>9789332585225 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INFORMATION TECHNOLOGY
<br/><br/><label>Dewey Class. No.: </label>621.391