[Cryptech Core] deeper entropy analysis

Leif Johansson leifj at sunet.se
Wed Dec 10 09:59:45 UTC 2014


On 12/10/2014 10:23 AM, Fredrik Thulin wrote:
> Hi all
> 
> Some time ago I was wildly confused by my DMA based entropy sources would 
> prefer alternating bit patterns over repeating ones, as I'm sure you've seen 
> on the tech list.
> 
> I asked someone with considerably more knowledgeable than me about how one 
> could perhaps analyse the output to gain insights into how this could be. That 
> person did not have time to contribute to the problem, but he suggested we 
> could perhaps involve this guy (for paid work)
> 
>   http://www.csc.kth.se/~terelius/
> 
> I haven't talked with him at all, but while I think we can be confident that 
> our TRNG will output excellent random data, if we want to be as confident about 
> the entropy I think we will need help from someone with higher mathematical 
> skills than I possess  - possibly that guy.
> 
> If you think it is a good idea then maybe I can try to meet with him for lunch 
> or something and see if he is interested and see what he could do for us?
> 

If we decide to do this I can use some favors at KTH to try to get some
time contributed.

	Cheers Leif





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