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Re: [PATCH 2/2] ath9k: disable RNG by default

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Am Dienstag, 9. August 2016, 16:58:58 CEST schrieb Herbert Xu:

Hi Herbert,

> On Tue, Aug 09, 2016 at 10:07:29AM +0200, Stephan Mueller wrote:
> > Herbert, Matt, should such noise sources be added to the HW random
> > framework? The thing is that the in-kernel HW random to input_pool link
> > per default uses a more conservative entropy estimate than the user space
> > rngd. I would think that the in-kernel link would appropriate for that
> > rng. But the user space rngd tool with its default behavior is not really
> > suited here.
> 
> Yes hwrng would be the best fit, with a quality of zero to be safe.
> 
> Contrary to the quoted thread, there is no need to whiten the output
> /dev/hw_random.  It was always meant to go through some intermediate
> processing such as rngd before it is used.

But shouldn't the default of the rngd then be adjusted a bit?
> 
> Cheers,



Ciao
Stephan
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