Re: [PATCH] [resend] drivers/net: remove network drivers' last fewuses of IRQF_SAMPLE_RANDOM

From: Alan Cox
Date: Thu May 29 2008 - 07:03:50 EST


On Wed, 28 May 2008 23:23:26 -0700 (PDT)
Chris Peterson <cpeterso@xxxxxxxxxxxx> wrote:

>
> Remove network drivers' last few uses of theoretically-exploitable network
> entropy. Only 12 net drivers are affected. Headless boxes should use a
> more secure source of entropy, such as the userspace daemons rngd, clrngd,
> egd, audio_entropyd, and/or video_entroyd.
>
> I'm also thinking about writing a "Frankenstein" daemon that combines the
> entropy-collecting algorithms from those daemons into one. Whereas rngd
> only uses /dev/hw_random, my hypothetical daemon would make a best effort
> attempt: use /dev/hw_random if it exists, otherwise fallback (or use in
> addition) the other entropy sources.
>
>
> Signed-off-by: Chris Peterson <cpeterso@xxxxxxxxxxxx>

Acked-by: Alan Cox <alan@xxxxxxxxxx>
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