Sehgal,Umesh. <br/><br/>
Network security and cryptography. 

 - 1st 
 - New Delhi  S.K.Kataria  2009 
 - 342 
<br/><br/><label>ISBN: </label>000000-0000000 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science.