[Cryptography] Nundrum cipher = hypothetical WWII cipher machine = can Enigma/Tunny be fixed?

Kent Borg kentborg at borg.org
Mon Oct 31 12:38:58 EDT 2016


On 10/30/2016 05:56 PM, John Denker wrote:
>> He's writing a WWII spy thriller, and the MacGuffin is a
>> super-duper cipher machine that the protagonist and his little
>> group have to prevent from falling into the hands of the Axis.
>> Having broken Enigma, the Allies don't want them adopting
>> something that's actually secure.
[...]
> Cryptography exists at the intersection of fancy mathematics and
> down-to-earth engineering.  Here is my attempt at a machine that
> could be built using methods and materials of the time:  It's
> called the Nundrum machine:
>     https://www.av8n.com/security/nundrum.htm

Very cool. If anyone ever goes to the effort of building an "authentic" 
one (or just making a detailed design), it would be quite fun to see 
that "could have been"-artifact.

Thanks,

-kb



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