[liberationtech] Random number generator failure in Rasperri Pis?

Michael Rogers michael at briarproject.org
Fri Jul 19 05:17:51 PDT 2013


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On 19/07/13 13:03, KheOps wrote:
> Just came accross this article, apparently showing the bad quality
> of the hardware RNG in Raspberri Pi devices.
> 
> http://scruss.com/blog/2013/06/07/well-that-was-unexpected-the-raspberry-pis-hardware-random-number-generator/
>
>  Quite interesting since (pseudo-) random numbers are heavily used
> in crypto. Interesting also to see another post on this topic,
> after the study of a random number generation procedure formerly
> used in Cryptocat and that was also problematic.

Is that what the article shows? Looks to me like the Raspberry Pi's
hardware RNG (/dev/hwrng) is being held up as an example of 'good
randomness' in contrast to the RANDU algorithm's 'bad randomness'.

Cheers,
Michael


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