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

 - 5th ed. 
 - Boston  Prentice Hall  2011 
 - 743p. 
<br/><br/><label>ISBN: </label>13;978 0 13 705632 3 
<br/><br/><label>LC Class. No.: </label>SBL TK 5105.59  / S713 2011