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Date:   Mon, 24 Oct 2016 22:10:20 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Corentin Labbe <clabbe.montjoie@...il.com>
Cc:     srinivas.kandagatla@...aro.org, wens@...e.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-crypto@...r.kernel.org
Subject: Re: [PATCH] nvmem: sunxi-sid: SID content is not a valid source of
 randomness

On Sat, Oct 22, 2016 at 03:53:28PM +0200, Corentin Labbe wrote:
> Since SID's content is constant over reboot,

That's not true, at least not across all the Allwinner SoCs, and
especially not on the A10 and A20 that this driver supports.

> it must not be used as source of randomness.

And I don't think that's true either. A constant entropy provider will
not add any entropy, but will not remove any, would it?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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