/dev/random

[Konstantin Belousov]

On Tue, Aug 21, 2012 at 08:33:48AM +0000, Poul-Henning Kamp wrote:
> In message <CAG5KPzxd16k12adjsbtF5S7XTYk61rkv903nUc0ub=c0bHBKCg at mail.gmail.com>
> , Ben Laurie writes:
> 
> >>> > FreeBSD random(4) currently only supports one hardware RNG - [...]
> 
> I belive this is wrong:  hifn7751.c also feeds Yarrow/random(4).
> 
> That said, purely on principle I'm with Ben here:  All sources of
> entropy should be fed to Yarrow by default.
> 
> I don't mind there being separate devices so you can get your bits
> directly from a hardware device if you want to.

The question should become much more practical in the short term,
since IvyBridge has supposedly high-quality RNG in CPU (uncore).
It would be on large percentage of the machines in the near future,
as opposed to somewhat exotic add-on cards or VIA CPUs.
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