Stinson, Douglas R <br/><br/>
Cryptography  theory and practice 
Douglas R Stinson 
 - 3rd ed. 
 - Boca Raton  Chapman & Hall/CRC  2006 
 - 593P. 
 - Discreate Mathematics and its applications .
<br/><br/><label>ISBN: </label>1584885084  P 39.99