Ferguson, Niels <br/><br/>
Practical cryptography / 
Niels Ferguson, Bruce Schneier 
 - New York :  Wiley,  2003 
 - xx, 410 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 387-395) and index. 
<br/><br/><label>ISBN: </label>047122894X (acid-free paper)  RM281.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Computer security