[aklug] Re: Entropy key

I've been reading about these for a while, and folks seem to be satisfied
with them. If you decide to order any and the shipping is reasonable, I'll
buy two and split the shipping with you.
There's other ways out there to hack together randomness generators. One
I've thought about for a while is:

http://www.inventgeek.com/Projects/alpharad/overview.aspx

Or also using the above with a Coleman lantern mantle.

There's also another design floating around out there I've thought about
building that uses the preamp from an old big-dish satellite television
antenna, but can't seem to locate the webpage to that one. The advantage
to that one was that it generated lots of randomness a lot faster than most
other homebrew ideas.

Another cool idea:

http://www.lavarnd.org/what/process.html

And then the old standbys audio and video entropy daemons:

http://www.vanheusden.com/aed/

http://www.vanheusden.com/ved/

As well as reverse biasing semiconductor junctions and those types of
designs.

Note that at the bottom of the vanheusden pages is a list of hardware
solutions.

The question then becomes how do you measure the 'quality' of randomness
(sorry, can't think of the correct word right now) as well as alarming for
when the entropy pool approaches depletion, and separately how do you
verify proper operation? There's lots of discussion out there about that
ranging from just occasionally generating an FFT of samples from the pool,
to some rather sophisticated algorithms.

And then of course there is the ultimate in high-grade randomness, that
being the female-mood-detector.

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Received on Wed Nov 23 17:52:24 2011