Oppliger Rolf <br/><br/>
Secure messaging : with PGP and S/MIME 
Oppliger Rolf 
 - Boston  Architech house  2001 
 - 305p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Secure messaging 
<br/><br/><label>Dewey Class. No.: </label>005.8 OP-S