Colin Plumb wrote:
> I didn't think of it at the time, but this has the added bonus that
> deterministic systems have a harder time generating non-white noise, so
> if you look at the bit stream and see a noise spectrum that corresponds
> to the (claimed) underlying physical source, that is some assurance
> against cheating.

Be careful.  You give me a physical source's power spectrum, I'll give
you a digital filter to color the PRNG to match. 

-- 
     Eli Brandt  |  [EMAIL PROTECTED]  |  http://www.cs.cmu.edu/~eli/

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