Gupta, Prakash  C <br/><br/>
Cryptography and network security 

 - Delhi  PHI learning private limited  2015 
 - xx, 456 p. 
<br/><br/><label>ISBN: </label>9788120350458 
<br/><br/><label>Subjects--Index Terms: </label>Computer networks - Security measures Computer security Cryptography 
<br/><br/><label>Universal Decimal Class. No.: </label>004.056.55  / GUP