Zero Knowledge in the Cave

[Patrick]

> I recall reading a very similar explanation of ZK interactive proofs,
> using "zero knowledge in the cave," many years ago. By one of the
> founders of the field
> 
> I haven't searched for it to compare his (or hers, though I don't
> recall it as an article by Shafi G.) words to yours, but you should
> have given credit to using the "zero knowledge in the cave" version of
> ZKIPS.
> 
> 
> --Tim May

	I've seen the cave example in at least several places. Most of
them make this reference:

[QG90] 
J.J. Quisquater and L. Guillou, How to explain zero-knowledge protocols
to your children, Advances in Cryptology - Crypto '89, Springer-Verlag
(1990), 628-631.


Patrick
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