[cryptography] NIST Randomness Beacon

andrew cooke andrew at acooke.org
Sun Nov 10 03:15:33 EST 2013


the idea of a service that provides data unknown before a certain date (like a
photo of a recent newspaper) was suggested here -
http://rachelbythebay.com/w/2012/08/29/info/

for fun, i implemented that here - http://colorlessgreen.net/ (the random
value is updated every 50000 secs, roughly, and encoded as a "memorable
phrase")

of course, in this case, a PRNG was used, and i am not NIST (so i am not
guaranteeing unpredictability ot autonomy to the same extent!), and the output
is only ~50 bits in size.

as far as i know, no-one uses it for anything...

andrew


On Sat, Nov 09, 2013 at 08:28:17PM -0800, d.nix wrote:
> 
> surely someone here has an opinion...
> 
> http://www.nist.gov/itl/csd/ct/nist_beacon.cfm
> 
> :-)
> 
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