This wall of lava lamps is indeed a cute Atlas Obscura story straight from central casting, but can we all be clear that it has _nothing whatsoever_ to do with Internet security? This isn’t how crypto randomness works. https://www.atlasobscura.com/places/encryption-lava-lamps …
I don't agree with that! A passerby with a camera could vastly narrow the search space for the potential input to that RNG. And is the "official" camera TEMPEST proof? or even patched? Plenty to debate. *goes to find tinfoil hat*.
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You can vastly narrow a search space and have the search space remain unimaginably vast. We're...not equipped to deal with probabilities at that scale.
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Being a bit more serious: a 4MP image is only ~ 2^27 bits. A passerby camera reduces the color pallet a lot, and re-projecting the image from another camera's POV is basic 3D work. I'd wager the input search could be as low as 2^17.
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