Stallings, William. <br/><br/>
Cryptography and Network Security:  Principles and Practice 

 - 3rd ed. 
 - New Delhi  Pearson Education  2003 
 - xvii+679p.,24X17Cms 
<br/><br/><label>ISBN: </label>8178089025 
<br/><br/><label>Dewey Class. No.: </label>621.38196428 S775