Martin, Keith M. <br/><br/>
Everyday cryptography :  fundamental principles and applications/ 
Keith M. Martin 
 - Madison Avenue, NY :  Oxford University Press,  2012 
 - xxi, 530 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780199695591 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security<br/>Cryptography