Pachghare, V.K  <br/><br/>
cryptography and information security  

 - 2nd  
 - Prentice hall of india   New Delhi   2019 
 - XXII, 745p.   6809 
<br/><br/><label>ISBN: </label>9780387848570 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WWW
<br/><br/><label>Dewey Class. No.: </label>004.6 PAC