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

 - Delhi  PHI Learning  2015 
 - xx, 456p.   
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788120350458 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Network security