Coutinho, S.C.  <br/><br/>
Mathematics of ciphers  number theory and RSA cryptography 
S.C. Coutinho 
 - Hyderabad  Universities Press  1999 
 - xv, 196p. 
<br/><br/><label>ISBN: </label>9788173714429 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory<br/>Cryptography
<br/><br/><label>Dewey Class. No.: </label>005.82 C837m