Stallings, William. <br/><br/>
Cryptography and network security :  principles and practice /5th ed  
William Stallings. 
 - 5th ed. 
 - New Delhi  Pearson  c2011 
 - xvi, 680 p. :  ill. ; 
<br/><br/>Includes bibliographical references (p. 663-672) and index. 
<br/><br/><label>ISBN: </label>0131873164 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Data encryption (Computer science)13798<br/>Coding theory.3551<br/>Computer security.
<br/><br/><label>Dewey Class. No.: </label>681.324  / STA