Shyamala,C.K <br/><br/>
Cryptography and security 

 - New Delhi,  Wiley;  2011. 
 - 529p.  Including CD 
<br/><br/><label>ISBN: </label>9788126522859 
<br/><br/><label>Dewey Class. No.: </label>005.82  / SHY.C