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Re: Sources of randomness
On Fri, 3 Nov 1995 [email protected] wrote:
> On Fri, 3 Nov 1995, Perry E. Metzger wrote:
> > I'll stick to recommending radioactive sources for now. Quantum
> > mechanics is your friend, and detectors from places like Aware are
> > cheap.
> What prices have you got listed? Is the equipment sensitive enough to get
> lots of entropy from a normal environment or do you need artificial sources
> of radioactivity? (easy, safe and cheap enough to get?)
Safe, easy-to-obtain gamma sources: orange fiesta-ware pottery (at flea
markets), old-style Coleman lantern mantles (not sure about the new
ones), uranium-ore "health pillows" (Sunshine Mine, 408-225-3670).
> Got any clues on random bits vs. time?
> Someone said this was discussed before, I caught the thread on the
> detector being listed but not any discussion of the product itself. Could
> anyone post an approx date so I could go look it up on the archive?
> Interesting stuff.