[GreenKeys] Here's a sweet one on the bay. (crypto machines)

Tue May 21 15:51:29 EDT 2013

Dirk, the guy whose site that is a link to, also has nice simulators
of the Enigma (in Luftwaffe/Heer, Kriegsmarine M3 and Kriesgmarine M4
models); as well as for the KL-7, and the BC-52 (a C-52 with the
keyboard attachement).

He's also got a crypto contest going on for the Enigma, and a story
thing requiring the use of a KL-7 and one-time pad (which have keys
provided).

He's also a really nice guy. Go check out the site; much learning and
fun will be had.

Cheers,
Christian

On 21 May 2013 14:41, Mike <odaymg at yahoo.com> wrote:
> You can download an M-209 simulator for Windows or Linux.
>
> <http://users.telenet.be/d.rijmenants/en/m209sim.htm>
>
>
> Mike O'Day
> N9ODM
>
>
> On May 21, 2013, at 7:23, "Lester Veenstra" <lester at veenstras.com> wrote:
>
> Anyone visit the Teletype crypto museum at their HQ?
>
>
> Lester B Veenstra  MØYCM K1YCM W8YCM
> lester at veenstras.com
>
> US Postal Address:
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> -----Original Message-----
> From: greenkeys-bounces at mailman.qth.net
> [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of
> gfmurphy at earthlink.net
> Sent: Saturday, May 18, 2013 8:17 PM
> To: Greenkeys
> Subject: Re: [GreenKeys] Here's a sweet one on the bay. (crypto machines)
>
> To make the discussion on the Greenkeys list of the SIGABA machine go full
> circle, it is noteworthy that SIGABA, SIGCUM, the KL-7 and the
> KL-47 were all manufactured by Teletype Corporation.  It is very likely that
> they manufactured other devices.  Take a look at Jerry Proc's page on the
> KL-47.  Here's the link:
>   <http://www.jproc.ca/crypto/kl47.html>
> You'll see the Teletype Corp. logo on some items and you'll also see items
> with Teletype part numbers.
>
> Jerry Murphy
>
>
> -----Original Message-----
>
> From: Jim Haynes <jhhaynes at earthlink.net>
>
> Sent: May 18, 2013 6:15 PM
>
> To: Christian Gauger-Cosgrove <captainkirk359 at gmail.com>
>
> Cc: nagle at animats.com, greenkeys at mailman.qth.net
>
> Subject: Re: [GreenKeys] Here's a sweet one on the bay. (crypto
>
> machines)
>
>
> On Sat, 18 May 2013, Christian Gauger-Cosgrove wrote:
>
>
>
> During WWII, the US actually developed the "best" of the rotor cipher
>
> machines; it did require power drive, and was rather large. It was
>
> the SIGABA; which had a grand total of fifteen rotors, which were of
>
> the "Enigma" style wire scrambler rotors. As I mentioned in a
>
> previous e-mail; the SIGABA was not cracked until just a few years
>
> ago. At least publicly; if the NSA found a way to break it, they kept
>
> mum about that.
>
>
> Also I've read that the U.S. issued new rotor sets once a year and had
>
> a spare rotor set in reserve in case the in-use set was compromised.
>
> Whereas Enigma got a couple of rotors added during the course of the
>
> war but the same ones were used throughout.
>
>
>
>
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