Re: [PATCH] crypto: exynos-rng - Remove exynos-rng driver
From: Krzysztof Kozlowski
Date: Mon Jun 01 2026 - 05:50:22 EST
On 31/05/2026 19:59, Eric Biggers wrote:
> This driver has no purpose. It doesn't feed into the Linux RNG, nor
> does it implement the hwrng interface. It is accessible only via the
> "rng" algorithm type of AF_ALG, which isn't used in practice. Everyone
> uses either the Linux RNG, or rarely /dev/hwrng.
>
> Moreover, this is a PRNG whose only source of entropy is the 160-bit
> seed the user passes in. So this can be used only by a user who already
> has a source of cryptographically secure random numbers, such as
> /dev/random. Which they can, and do, just use in the first place.
I don't know nowadays about any real world usage of this driver, so fine
by me:
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
Best regards,
Krzysztof