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

 - 6 ed. 
 - Boston, Mass.  Pearson  2014 
 - 751 p. 
<br/><br/><label>ISBN: </label>9780273793359 0273793357 
<br/><br/><label>Dewey Class. No.: </label>005.8