Precisely my point. Or, rather, they do meet my needs, but my needs do not include having this stuff contribute to the entropy estimate. I can't trust that it is truly entropy. That doesn't mean it won't help keep your random numbers look random, of course: it still mixes into the pool.
Definitely not speaking for my employer, but here goes..
Posted Aug 18, 2012 16:32 UTC (Sat) by kjp (subscriber, #39639)
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Use an FM or TV tuner and use the white noise for entropy. I'd trust that.
Definitely not speaking for my employer, but here goes..
Posted Aug 18, 2012 21:37 UTC (Sat) by nix (subscriber, #2304)
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Really? That noise is often fearfully non-random and highly correlated, and anyone with a radio transmitter or indeed any electrical device can introduce new patterning. It's... not a good noise source on its own (though obviously it contains noise, so it could probably contribute *some* entropy.)