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

 - 3Rd. 
 - New Delhi  Perason Education  2004 
 - xiv,681p. 
<br/><br/><label>ISBN: </label> RS 225.00 
<br/><br/><label>Dewey Class. No.: </label>343.05 HAR