Bauer, Craig P. <br/><br/>
Secret history:  the story of cryptology/ 
Craig P. Bauer, York College of Pennsylvania and National Security Agency, Center for Cryptologic History, 2011-2012 Scholar-in-Residence. 
 - xxv, 594 pages:  illustrations;  24 cm. 
 - Discrete mathematics and its applications;  76 .
 - CRC Press series on discrete mathematics and its applications;  76. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781466561861 1466561866 
<br/><br/><label>LCCN: </label>2012032455 
<br/><br/><label>Nat. Bib. No.: </label>GBB2C0147  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data encryption (Computer science)<br/>Computer security.<br/>Cryptography--History.<br/>Ciphers.
<br/><br/><label>Dewey Class. No.: </label>510.9  / B344s