Schneier, Bruce <br/><br/>
E-mail security : how to keep your electronic messages private 
Bruce Schneier 
 - New York  Wiley  1995 
 - xii, 365 p.  ill.  24 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>047105318x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic mail systems