Stinson, Douglas R. <br/><br/>
Cryptography :  theory and practice/ 
Douglas R. Stinson 
 - 3rd ed. 
 - Boca Raton, Fla. :  Chapman & Hall/CRC,  c2006 
 - [14], 593 p.;  24 cm. 
 - Discrete mathematics and its applications .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1584885084  £39.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coding theory<br/>Cryptography
<br/><br/><label>Dewey Class. No.: </label>005.82