Stallings, William. <br/><br/>
Cryptography and network security :  principles and practice / 
William Stallings. 
 - 5th ed. , international ed. 
 - Boston, Mass :  Prentice Hall,  c2011. 
 - 743 p. :  ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780137056323 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures<br/>Data encryption (Computer science)<br/>Coding theory<br/>Computer security
<br/><br/><label>LC Class. No.: </label>TK5105.59  / S724C 2011