Forouzan, Behrouz A. <br/><br/>
Cryptography and network security 

 - New Delhi  Tata McGraw - Hill  2008 
 - xxvi, 721p.  24cm. PB 
<br/><br/><label>ISBN: </label>0070660468 
<br/><br/><label>Dewey Class. No.: </label>005.82  / FOR