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

 - 4th ed. 
 - New Delhi, India :  Prentice-Hall of India Private Limited,  c2006. 
 - xvi, 680 pages :  Illustrations ; 
<br/><br/> Eastern Economy Editions.  Includes bibliographical references and index. 
<br/><br/>Symmetric ciphers--Public-key encryption and hash functions--Network security applications--System security. 
<br/><br/><label>ISBN: </label>9788120330184 8120330188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks - security measures.<br/>Data encryption (Computer science)<br/>Coding theory.<br/>Computer security.<br/>Public key cryptography.
<br/><br/><label>LC Class. No.: </label>TK 5105.59	  / STA