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Want a FIPS 140-2 RNG? Look at the universe. The cosmic background radiation bathes Earth in enough random numbers to encrypt everything forever. Using the cosmic background radiation – the "echo of the Big Bang" – as a random number generation isn't a new idea, but a couple of scientists have run the slide-rule over measurements of the CMB power spectrum and reckon it offers a random number space big enough to beat any current computer.
Not in terms of protecting messages against any current decryption possibility: the CMB's power spectrum offers a key space "too large for the encryption/decryption capacities of present computer systems". A straightforward terrestrial radio telescope, this Arxiv paper states, should be good enough to make "astrophysical entropy sources accessible on comparatively modest budgets".
http://www.theregister.co.uk/2015/11/12/big_bang_left_us_with_a_perfect_random_number_generator/
(Score: 2) by JoeMerchant on Friday November 13 2015, @10:06PM
Not sure we're on the same page: to get a seed for your crypto PRNG for the day, feed it the ps clock value at the time you log in, nobody will measure the time of your login better than 1/100 second, even if they have a high resolution video feed that shows when you hit the enter key (and have managed to sync your ps clock to their camera feed) - and then, they've still got 10^10 codes to try to match up to whatever the visible outputs of your crypto PRNG are that day. Prevent people from seeing you hit the Enter key on video and you up your security by an order of magnitude.
Of course, if they've already crawled that deep into your system, they probably have keyloggers running on you that will make the rest of the security irrelevant.
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