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

 - 2 
 - New Delhi  Pearson Education  2000 
 - xi, 569p. : ill.  
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8178086050 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography<br/>Data encryption<br/>Network security<br/>System security