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Darren New wrote:
> andrel wrote:
>> And they are all mechanical. The master keys have one extra groove, I
>> don't know about the general master.
>
> For that matter, there are cool things you can do with cryptography and
> math that let you have similar relationships with passwords. Stuff like
> "this file can be decrypted by any three of the seven officers of the
> company, or by unanimous application of the keys of the department heads
> of the company. Oh, and we can invalidate any key without invalidating
> the others."
>
I personally think doing it in hardware with nuts and bolts is more
impressive, but that may be just me.
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