Coutinho, S. C. <br/><br/>
The mathematics of Ciphers :  number theory and RSA cryptography / 
S. C. Coutinho 
 - Hyderabad :  University Press,  2003 
 - xv, 196 p. :  charts ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1568810822 :  Rs. 185.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory<br/>Cryptography<br/>Algorithms
<br/><br/><label>Dewey Class. No.: </label>512.7