On 13/05/2016 10:43, Krisztián Pintér wrote: > okay, let me rephrase, because i was not very clear. what i tried to > say is: if we assume a precision with which we can possibly measure > the initial conditions, then there is a time interval after which the > system is in total uncertainty. this time interval is dependent on the > initial precision, and the system itself. > > once i heard a claim, not confirmed, just a fun factoid, that weather > has 20 days of "memory". that is, if the initial conditions change on > molecular level, which is clearly unmeasurable, 20 days later the > weather is totally different. that is quite literally the butterfly > effect. if we were to use the weather as an entropy source, we should > sample it every 20 days. the data will be true random. except, of > course, the weather is public, but that aside.
Exactly, that's the point, and i think that this feature is an approach to the statistical independence of the samples obtained by this method. _______________________________________________ cryptography mailing list cryptography@randombit.net http://lists.randombit.net/mailman/listinfo/cryptography
