![]() Later, it was realized that this was unnecessary. SGI created a patent for pointing a webcam at a lava lamp, using the chaotic nature of the lava lamp itself as the source of entropy. However, things can get better, and that is what this post is hopefully addressing. I actually really love the TrueEntropy app, and am eagerly waiting for it to hit Android, so I can carry around a TRNG in my pocket. Now, to be clear, I'm not writing this post to shame Vault12. ![]() For a TRNG, it should be doing much better than that. I get 20 "PASSED", 13 "WEAK", and 81 "FAILED" results. ![]() Unfortunately, when putting the generated binary files through the Dieharder tests, it comes out pretty bad. Recently, Vault12 released an app for iOS that uses the mobile device's camera as a source of randomness.
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