netdev - Re: [PATCH] drivers/net: remove network drivers' last few uses of IRQF_SAMPLE

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Date:	Thu, 15 May 2008 14:14:59 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	Chris Peterson <cpeterso@...terso.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/net: remove network drivers' last few uses of
 IRQF_SAMPLE_RANDOM

Alan Cox wrote:
>> In short, I agree with Alan's IRQF_SAMPLE_DUBIOUS, and know of Linux
>> customers who also want the same.
> 
> They should be made to read the Debian ssh security report - three times
> and understand the same would apply to them if something did cause their
> network packet arrivals to be observed or non-random
> 
> Far better would be to get your CPU guys to put an RNG back into the
> systems or on the CPU die ala VIA. Given I've even seen people using VIA
> boxes as a random number feeder (streaming random numbers over SSL) there
> is clearly a demand 8)

The Treacherous Platform Module includes an RNG.

Someone (hi Jesse?) should implement support for TPM_GetRandom.

All the specs are public, and the hardware is already in users' hands.

	Jeff




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