Talk:NEMA (machine)
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[edit] How did the Swiss know?
How and under whose auspices did the Swiss become aware that their Enigma traffic and German Enigma traffic had been broken as the article now says? Please cite some references on this point as it affects several other articles on WP, Enigma, Ultra, etc. ww 01:29, 2 Nov 2004 (UTC)
- The article says, "The Swiss became aware that their current machine, a commercial Enigma (the Swiss K), had been broken by both Allied and German cryptanalysts." — i.e., the Swiss learned that their commercial Enigma traffic was broken, and not that German Enigma traffic (based on Enigma with a plugboard) was being broken. For a reference, see the Sullivan and Weierud paper listed in the "References" section. I don't know how the Swiss realised that their commercial Enigma was weak, but it seems to have been something that various countries cryptanalysts realised quite readily (e.g. France, Britain, Germany). — Matt 08:22, 2 Nov 2004 (UTC)
