[cryptography] Enranda: 4MB/s Userspace TRNG

James A. Donald jamesd at echeque.com
Fri May 29 07:20:49 EDT 2015


>> I was actually surprised how uncompressible the timedelta stream

> does not make any sense. the result of a complex recursive chaotic
> calculation always appears uncompressible, unless you know the proper
> underlying model. trying to compress it only puts an upper limit on
> entropy, but never an estimation, let alone lower bound.

Exactly so.  Because entropy is measured over counterfactuals, it can 
never be known from observation, only from theory.

Which is sort of weird, seeing as there is something observable about 
the fact that things run down and fall apart.



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