[Cryptech Tech] Fwd: Simtec Electronics Entropy Key: USB True Random Number Generator

[Leif Johansson]

On 2014-02-26 08:58, Joachim Strömbergson wrote:
> Aloha!
>
> SMB wrote:
> http://www.entropykey.co.uk/
>

Isn't that the ones that went out of business because the lead designer
was in an accident? I didn't think you could get them anymore.

FYI - ft pried apart one of the araneus keys and may be poking it with
his scope to figure out how that one works.

> No idea if they're any good or not.
>
>
>         --Steve Bellovin, https://www.cs.columbia.edu/~smb
>
> I haven't tested one myself, but I think Jakob or Robert Malmgren has
> one and have tested it. AFAIK the results from Dieharder shows good
> randomness in the generated data. They use PN-junction noise as entropy
> source. The device tries to measure the quality of the entropy using Uli
> Maurer's test:
>
> http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.45.1911
>
> All of which has to be taken at face value since it is not an open
> dedign and open source though.
>
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