Re: The Onion on Lava Lamps

From: Robert S. Thau (
Date: Wed Feb 14 2001 - 08:51:09 PST

Strata Rose Chalup writes:

> Are there lower-wattage sources of random input for cryptographic key
> generation to fall back on?

A well-populated fishtank would do the job, one would imagine.

(Incidentally, *any* webcam will have some random camera noise, even
if the lens is just pointed at a white sheet --- I'm not sure I know
the entropy of that noise, but it's probably suitable for some
purposes... ).


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