Stallings W. <br/><br/>
Cryptography and network security 

 - 3RD . Ed. 
 -  Pearson Education  2005 
 - 686p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INFORMATION TECHNOLOGY
<br/><br/><label>Dewey Class. No.: </label>621.381 95