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

 - 3 
 - New Delhi  Pearson Education  2003 
 - xvi, 681p.   
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>8131707733 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Data encryption<br/>Network security<br/>System security