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...

[Scott Long]

> 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.

Scott