Re: [PATCH] crypto: atmel-sha204a - Set hwrng quality to lowest possible

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On Tue, Apr 22, 2025 at 11:57 AM Marek Behún <kabel@xxxxxxxxxx> wrote:

> According to the review by Bill Cox [1], the Atmel SHA204A random number
> generator produces random numbers with very low entropy.
>
> Set the lowest possible entropy for this chip just to be safe.
>
> [1] https://www.metzdowd.com/pipermail/cryptography/2014-December/023858.html
>
> Fixes: da001fb651b00e1d ("crypto: atmel-i2c - add support for SHA204A random number generator")
> Signed-off-by: Marek Behún <kabel@xxxxxxxxxx>

Ugh
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

I would even tag:
Cc: stable@xxxxxxxxxxxxxxx

on this, but it's up to Herbert.

Yours,
Linus Walleij





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