Stallings, William <br/><br/>
Cryptography and Network Security Principles & Practice 
William Stallings 
 - 6th ed.  international edition 
 - Boston  Pearson  2014 
 - 751p.  ill.  23cm 
<br/><br/><label>ISBN: </label>9780273793359 
<br/><br/><label>LC Class. No.: </label>TK5105.59   / .S713