Gill, P S <br/><br/>
Cryptography and network security 

 -  Delhi  Macmillan Publishers India  2011 
 - xii, 288p.   
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780230332782 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security<br/>Cryptography<br/>Internet security services<br/>Network security<br/>Publickey cryptography