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

 - 2 . Ed. 
 - New Delhi  Pearson Education  2011 
 - 743p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER
<br/><br/><label>Dewey Class. No.: </label>1.5436