=>From: Steve Freitas <[EMAIL PROTECTED]>
=>...
=>is there a way to generate entropy to prevent random
=>from blocking?
Depends on how badly you want it. SGI has a <A
HREF="http://lavarand.sgi.com">neat solution</A>. They use Lava
Lite(r) lamps and a video digitizer to generate gobs of entropy. On a
more human scale, you can probably use a video camera looking at just
about anything, as long as it moves a little. (How about FishRand?)
I've also seen occasional discussions about using a sound card to
digitize noise, but I can't remember whether the Hard Crypto guys
think that's a good idea or not. I suspect there's not *that* much
entropy in what you get from a sound card.
I don't know how hard it'd be to feed that entropy into /dev/random,
though. For web server use (bringing this back on-topic) you probably
want to use /dev/urandom, because otherwise local users can do a
denial-of-service by saying: "dd if=/dev/random of=/dev/null &"
d.
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