Re: [PATCH v2 8/9] random: use hash function for crng_slow_load()

Dominik Brodowski
2022-02-09T11:57:52Z

Am Wed, Feb 09, 2022 at 02:19:18AM +0100 schrieb Jason A. Donenfeld:
> Since we have a hash function that's really fast, and the goal of
> crng_slow_load() is reportedly to "touch all of the crng's state", we
> can just hash the old state together with the new state and call it a
> day. This way we dont need to reason about another LFSR or worry about
> various attacks there. This code is only ever used at early boot and
> then never again.

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>

Thanks,
Dominik