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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 Gravis on Friday November 13 2015, @04:08PM
we have already been using the universe for a perfect random number generator, specifically teh quantims! ok, so Quantis Random Number Generator [idquantique.com] uses "the randomness of quantum physics" to generate an endless stream of random number. now if we discover how that works, we all win at Universe and your RNG is cracked but who cares because we won!