Stallings, William <br/><br/>
Cryptography and network security : principles and practice 

 - 4 
 - New Delhi  Prentice-Hall of India  2006 
 - xvi, 680p. : ill. ;  
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8177587749 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Data encryption<br/>Network security<br/>System security