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Date:      Fri, 9 Aug 2013 08:29:10 +0100
From:      Mark R V Murray <mark@grondar.org>
To:        obrien@freebsd.org
Cc:        Arthur Mesh <arthurmesh@gmail.com>, Scott Long <scott4long@yahoo.com>, secteam@freebsd.org, freebsd-arch@freebsd.org
Subject:   Re: random(4) plugin infrastructure for mulitple RNG in a modular fashion
Message-ID:  <71489715-FB89-48CA-8DD6-88AEEA996EA9@grondar.org>
In-Reply-To: <20130808214033.GE95000@dragon.NUXI.org>
References:  <20130807183516.GC79319@dragon.NUXI.org> <1EDB5C8E-5755-4A8A-89F1-A64412080744@yahoo.com> <20130808205514.GA95000@dragon.NUXI.org> <1F5C260F-DA73-4D71-BB4B-E749BA9DEB57@grondar.org> <20130808214033.GE95000@dragon.NUXI.org>

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On 8 Aug 2013, at 22:40, David O'Brien <obrien@FreeBSD.org> wrote:

> On Thu, Aug 08, 2013 at 10:22:42PM +0100, Mark R V Murray wrote:
>> Mechanism exists, but its disabled. I'd like to re-enable it. Look =
for
>> "seeded =3D 1" in randomdev_soft.c, and see what that "seeded" =
variable
>> does.
>=20
> Hi Mark,
> I'm not sure what you're saying here.  That we could block at boot for
> reason of the PRGN not being seeded if desired?

Correct!

> Or that we start seeded and thus never get unseeded?

That is what we currently do. We "fix" it by pumping junk into =
/dev/random with initrandom, but this is racey and suboptimal.

M
--=20
Mark R V Murray


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