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Groups > alt.folklore.computers > #153226

Re: Enigma rotor made of PCBs

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On 2015-10-22, gareth <no.spam@thank.you.invalid> wrote:

> "Greymaus" <mausg@mail.com> wrote in message 
> news:slrnn2hltd.3tf.mausg@dmaus.org...
>
>> The Question: Why was the whole Enigma project kept secret so long
>>
>> AFAIK, the reason was that Enigmas were produced after the war by a
>> Swiss company, and used bysecond level countries for what they thouht was 
>> secure communic
>
> Legend has it that it was foul play by the Brits. Fearing the independence 
> attempts by parts of its Empire, Brit handed over the machines to the
> subjugated countries with the assurance that it was foolproof, and, of
> course, not letting out that they could read all the resulting diplomatic
> traffic.

I recall hearing similar speculation about DES.

However, I suspect the reason is somewhat more prosaic.  ISTR reading that
in the absence of explicit instructions, classified material automatically
bumps down one level every 10 years.  This means that anything marked
"top secret" would take 50 years to go all the way down to "unclassified".

> Therefore, keepingthesecret was of importance to Brit

Uh-oh, looks like they caught up with him.

-- 
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Thread

Enigma rotor made of PCBs davidmylastname@acm.org (David Griffith) - 2015-10-17 01:47 +0000
  Re: Enigma rotor made of PCBs Dave Garland <dave.garland@wizinfo.com> - 2015-10-16 22:18 -0500
    Re: Enigma rotor made of PCBs scott@slp53.sl.home (Scott Lurndal) - 2015-10-19 13:11 +0000
  Re: Enigma rotor made of PCBs Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2015-10-16 21:44 -0600
  Re: Enigma rotor made of PCBs Jon Elson <elson@pico-systems.com> - 2015-10-21 11:35 -0500
    Re: Enigma rotor made of PCBs Greymaus <mausg@mail.com> - 2015-10-22 11:38 +0000
      Re: Enigma rotor made of PCBs "gareth" <no.spam@thank.you.invalid> - 2015-10-22 16:18 +0100
        Re: Enigma rotor made of PCBs Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2015-10-22 18:22 +0000
          Re: Enigma rotor made of PCBs Quadibloc <jsavard@ecn.ab.ca> - 2015-10-22 17:32 -0700
        Re: Enigma rotor made of PCBs "78lp" <78lp@nospam.com> - 2015-10-23 14:14 +1100
      Re: Enigma rotor made of PCBs Michael Black <et472@ncf.ca> - 2015-10-22 11:48 -0400
      Re: Enigma rotor made of PCBs Quadibloc <jsavard@ecn.ab.ca> - 2015-10-22 11:08 -0700
      Re: Enigma rotor made of PCBs "78lp" <78lp@nospam.com> - 2015-10-23 14:21 +1100
        Re: Enigma rotor made of PCBs Morten Reistad <first@last.name.invalid> - 2015-10-23 10:43 +0200
          Re: Enigma rotor made of PCBs Greymaus <mausg@mail.com> - 2015-10-23 11:06 +0000
            Re: Enigma rotor made of PCBs "Osmium" <r124c4u102@comcast.net> - 2015-10-23 10:00 -0500
              Re: Enigma rotor made of PCBs "gareth" <no.spam@thank.you.invalid> - 2015-10-23 16:22 +0100
              Re: Enigma rotor made of PCBs Greymaus <mausg@mail.com> - 2015-10-23 17:27 +0000
              Re: Enigma rotor made of PCBs Michael Black <et472@ncf.ca> - 2015-10-23 13:40 -0400
                Re: Enigma rotor made of PCBs Stan Barr <plan.b@bluesomatic.org> - 2015-10-24 06:54 +0000
                Re: Enigma rotor made of PCBs Greymaus <mausg@mail.com> - 2015-10-24 10:57 +0000
                Re: Enigma rotor made of PCBs "Charles Richmond" <numerist@aquaporin4.com> - 2015-10-25 18:47 -0500
            Re: Enigma rotor made of PCBs "78lp" <78lp@nospam.com> - 2015-10-24 12:36 +1100
          Re: Enigma rotor made of PCBs "78lp" <78lp@nospam.com> - 2015-10-24 12:29 +1100
        Re: Enigma rotor made of PCBs "Osmium" <r124c4u102@comcast.net> - 2015-10-23 10:24 -0500
          Re: Enigma rotor made of PCBs Quadibloc <jsavard@ecn.ab.ca> - 2015-10-23 10:32 -0700
            Re: Enigma rotor made of PCBs "Osmium" <r124c4u102@comcast.net> - 2015-10-23 13:51 -0500
            Re: Enigma rotor made of PCBs Greymaus <mausg@mail.com> - 2015-10-24 10:36 +0000
          Re: Enigma rotor made of PCBs Michael Black <et472@ncf.ca> - 2015-10-23 13:36 -0400
            Re: Enigma rotor made of PCBs Jon Elson <elson@pico-systems.com> - 2015-10-23 15:13 -0500
              Re: Enigma rotor made of PCBs danny burstein <dannyb@panix.com> - 2015-10-23 20:25 +0000
                Re: Enigma rotor made of PCBs "Osmium" <r124c4u102@comcast.net> - 2015-10-23 15:51 -0500
                Re: Enigma rotor made of PCBs "Osmium" <r124c4u102@comcast.net> - 2015-10-23 15:59 -0500
                Re: Enigma rotor made of PCBs David Wade <dave.g4ugm@gmail.com> - 2015-10-24 18:51 +0100
                Re: Enigma rotor made of PCBs Walter Bushell <proto@panix.com> - 2015-11-20 21:33 -0500
                Re: Enigma rotor made of PCBs Jon Elson <elson@pico-systems.com> - 2015-11-20 23:12 -0600
            Re: Enigma rotor made of PCBs Gene Wirchenko <genew@telus.net> - 2015-10-23 14:14 -0700
              Re: Enigma rotor made of PCBs Bob Eager <news0005@eager.cx> - 2015-10-23 22:10 +0000
                Re: Enigma rotor made of PCBs Morten Reistad <first@last.name.invalid> - 2015-10-24 09:10 +0200
              Re: Enigma rotor made of PCBs JimP <solosam90@gmail.com> - 2015-10-23 19:19 -0500
              Re: Enigma rotor made of PCBs Dave Garland <dave.garland@wizinfo.com> - 2015-10-23 20:13 -0500
                Re: Enigma rotor made of PCBs Michael Black <et472@ncf.ca> - 2015-10-24 09:13 -0400
            Re: Enigma rotor made of PCBs Greymaus <mausg@mail.com> - 2015-10-24 10:47 +0000
          Re: Enigma rotor made of PCBs Jon Elson <elson@pico-systems.com> - 2015-10-23 14:46 -0500
            Re: Enigma rotor made of PCBs "Osmium" <r124c4u102@comcast.net> - 2015-10-23 15:48 -0500
  Re: Enigma rotor made of PCBs barrym95838@yahoo.com - 2015-10-22 23:40 -0700

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