Re: Seizing the Enigma

2009-08-14 Thread John Levine
Speaking of seizing an Enigma, here's a picture of a handy one rotor
version I got at Bletchley Park.  The rotor flips over so there's two
possible rotors and the determined cryptographer can use multiple
rotors by making several passes manually over the data.

http://www.taugh.com/enigma.jpeg

You can order your own here:

http://www.bletchleypark.org.uk/shop/view_product.rhtm/130864/238505/detail.html

R's,
John

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Kahn's Seizing the Enigma back in print -- with a catch

2009-08-13 Thread Steven Bellovin
David Kahn's Seizing the Enigma is back in print.  However, it's  
only available from Barnes and Noble -- their publishing arm is doing  
the reprint.  According to the preface, the new edition corrects minor  
errors, but didn't give any details.


http://search.barnesandnoble.com/Seizing-the-Enigma/David-Kahn/e/9781435107915/?itm=1

--Steve Bellovin, http://www.cs.columbia.edu/~smb





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