The twofish encryption algorithm :  a 128-bit block cipher / 
Bruce Schneier ... [et al.]. 
 - New York :  J. Wiley,  c1999 
 - xi, 186 p. :  ill. ;  25 cm. 
<br/><br/> Wiley computer publishing. 
<br/><br/>Includes bibliographical references (p. [131]-142) and index. 
<br/><br/><label>ISBN: </label>0471353817 (acid-free paper) 
<br/><br/><label>LCCN: </label>99-013262 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security--Passwords.<br/>Data encryption (Computer science)
<br/><br/><label>Subjects--Index Terms: </label>An ninh dữ liệu An toàn máy tính Khoa học máy tính 
<br/><br/><label>LC Class. No.: </label>QA76.9.A25  / T85 1999 
<br/><br/><label>Dewey Class. No.: </label>005.82  / TWO 1999