linux-kernel - Re: [PATCH v2] random: reseed more often immediately after booting

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Message-ID: <CAHmME9rkiAquqASMocBtj9VAHXJCTJCwA+_iNVc2R5DKs6eMoQ@mail.gmail.com>
Date:   Sat, 12 Mar 2022 18:29:54 -0700
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        "Theodore Ts'o" <tytso@....edu>,
        Dominik Brodowski <linux@...inikbrodowski.net>
Subject: Re: [PATCH v2] random: reseed more often immediately after booting

Hey Eric,

On Sat, Mar 12, 2022 at 6:01 PM Eric Biggers <ebiggers@...nel.org> wrote:
> It's just increasing the reseed interval linearly with the uptime, with constant
> factor 0.5.  So if the last reseed happened at uptime=t, then the next reseed
> will happen on the first request made with uptime >= 2*t.

Thanks, okay, I think I get it. The uptime of the next reseeding will
be at least double the uptime of the prior. Let's give it a try your
way. I'll send a v+1 shortly.

Jason