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...

[John-Mark Gurney]

Scott Long wrote this message on Sat, Jul 25, 2015 at 10:04 -0600:
> > On Jul 25, 2015, at 8:36 AM, Alexey Dokuchaev <danfe at FreeBSD.org> wrote:
> > 
> > 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.
> >> 
> >> Well, sure, but what if you don't have microphone? I want lots
> >> of choices, in anticipation of only a subset being usable.
> > 
> > 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.
> > 
> 
> Microphones don???t typically exist on virtual machines, servers, appliances/embedded gadgets, and trusted computers.  Nice idea for the desktop, but far from universal.

virtual machines have things like virtio_random, most embedded gadgets
have an ADC that could be used...  Appliances a little more difficult,
but trusted computers probably have a hardware RNG anyways...

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."