[cryptography] NIST Randomness Beacon (andrew cooke) (and Andy Isaacson, et al.)

Natanael natanael.l at gmail.com
Wed Nov 13 13:07:14 EST 2013


Because there's no guarantees at all for anything at all for that site.

On Wed, Nov 13, 2013 at 6:10 PM, Joshua Kingsolver Price
<jprice169 at ivytech.edu> wrote:
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> Something of a noob question, but what about random.org? Is there some
> reason why this site isn't used by the cryptographically wise? It
> seems that they already offer public entropy, and from a very good
> source. Sure you still can't use it for keys, but you couldn't use ANY
> public source for that, so what's the difference?
>
>> Message: 1 Date: Sun, 10 Nov 2013 05:15:33 -0300 From: andrew
>> cooke <andrew at acooke.org> To: "d.nix" <d.nix at comcast.net> Cc:
>> cypherpunks at cpunks.org, cryptography at metzdowd.com,
>> "cryptography at randombit.net" <cryptography at randombit.net> Subject:
>> Re: [cryptography] NIST Randomness Beacon Message-ID:
>> <20131110081533.GH24368 at acooke.org> Content-Type: text/plain;
>> charset=us-ascii
>>
>>
>> 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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> =hS8R
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