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I'm sure they're smarter than me but my novice cryptographer brain doesn't understand this.
Isn't the string of numbers representing each pixel rather limited Aren't all those sections of the image that have lava lamps limited to values somewhere in the reddish/blueish spectrum? Isn't the gray background very non-random?
Apparently the camera is accessible in the lobby. They say people walking in front of the camera adds randomness. If I go there and hold a photo in front of the camera which I know the values of, doesn't that compromise everything?
To be fair their site says they take the lava lamp output and combine it with entropy from two servers and probably do a lot of other stuff before actually getting random numbers. But I don't get how the lava lamps photo setup is even close to being random
tried and failed to add image, so here a link: https://www.cloudflare.com/learning/ssl/lava-lamp-encryption/