Stallings, William. <br/><br/>
Cryptography and network security  principles and practice /  [Book] : 
William Stallings. 
 - 3rd ed. 
 - New Delhi :  Pearson Education.,  c2003. 
 - xiv, 681 p. :  ill. ;  24 cm. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8178089025 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Data encryption (Computer science).<br/>Coding theory.<br/>Computer security.
<br/><br/><label>Dewey Class. No.: </label>005.8