random(4) plugin infrastructure for mulitple RNG in a modular fashion

[David O'Brien]

On Thu, Aug 08, 2013 at 08:38:09PM +0100, Mark R V Murray wrote:
> My current inclination is to make Yarrow the basic device (or "Fortuna
> Lite", but that is a problem for MUCH later), and make the hardware
> devices feed Yarrow, if they are present.

Our approach is mechanism over policy.  That is, give the user the
choice of if their HW should be used directly or fed into the SW PRNG.

-- 
-- David  (obrien at FreeBSD.org)