Delfs, Hans. <br/><br/>
Introduction to cryptography :  principles and applications / 
Hans Delfs, Helmut Knebl. 
 - 2nd ed. 
 - [S.l.] :  Springer,  2007. 
 - 384 p. ;  24 cm. 
 - Information security and cryptography. .
 - Information security and cryptography. .
<br/><br/><label>ISBN: </label>3540492437 9783540492436 
<br/><br/><label>Dewey Class. No.: </label>003.54