Stallings, William. <br/><br/>
Cryptography and network security : principles and practice / 
Stallings, William. 
 - 5th ed. 
 - xxiii, 743 p. ; 24 cm. 
<br/><br/><label>ISBN: </label>9780136097044 
<br/><br/><label>Dewey Class. No.: </label>005.82