Stallings, William. <br/><br/>
Cryptography and network security :   principles and practices / 
By William Stallings 
 - 2nd ed. 
 - New Delhi :  Pearson Education ,  2009. 
 - xvi,569/2002  PB  24 cm 
<br/><br/><label>ISBN: </label>8178086050 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conventional encryption<br/>Network security practice<br/>System security
<br/><br/><label>Dewey Class. No.: </label>005.8  / STAW