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Date:      Sat, 25 Jul 2015 10:04:42 -0600
From:      Scott Long <scott4long@yahoo.com>
To:        Alexey Dokuchaev <danfe@FreeBSD.org>
Cc:        Mark R V Murray <markm@FreeBSD.org>, John-Mark Gurney <jmg@funkthat.com>, svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers <src-committers@freebsd.org>
Subject:   Re: svn commit: r284959 - in head: . share/man/man4 share/man/man9 sys/conf sys/dev/glxsb sys/dev/hifn sys/dev/random sys/dev/rndtest sys/dev/safe sys/dev/syscons sys/dev/ubsec sys/dev/virtio/random sy...
Message-ID:  <D1468815-3B1C-4CB8-8BEB-6818926DD58F@yahoo.com>
In-Reply-To: <20150725143629.GA49086@FreeBSD.org>
References:  <201506301700.t5UH0jPq001498@svn.freebsd.org> <alpine.BSF.2.20.1507221138360.1071@desktop> <FFAED695-145A-45F5-988D-B843EF5F544B@FreeBSD.org> <alpine.BSF.2.20.1507221249120.1071@desktop> <FFFB06D7-164B-40B3-AFC3-A6630BCF074E@bsdimp.com> <E20B169F-4C8A-4D11-9853-5C2EFC116450@FreeBSD.org> <F54A96A8-D9AD-409A-814F-538B6AD3CD50@yahoo.com> <20150724012519.GE78154@funkthat.com> <BC734D25-375C-4C1C-BA8A-BD91158B6A39@FreeBSD.org> <20150725143629.GA49086@FreeBSD.org>

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> On Jul 25, 2015, at 8:36 AM, Alexey Dokuchaev <danfe@FreeBSD.org> =
wrote:
>=20
> On Fri, Jul 24, 2015 at 07:59:35AM +0100, Mark R V Murray wrote:
>> [...]
>>> Heck, piping in mic data to /dev/random is a good way to seed the
>>> rng on many machines.
>>=20
>> Well, sure, but what if you don't have microphone? I want lots
>> of choices, in anticipation of only a subset being usable.
>=20
> I like the microphone idea.  Not just it adds another =
hard-to-mess-with
> (?) entropy source, it can also be a nice "reference" example for =
people
> wanting to write their own sources and plug them into the RNG =
framework.
>=20

Microphones don=E2=80=99t typically exist on virtual machines, servers, =
appliances/embedded gadgets, and trusted computers.  Nice idea for the =
desktop, but far from universal.

Scott





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