Re: gpg can't get random/entropy

[Thor Lancelot Simon <tls%panix.com@localhost>]

On Tue, May 15, 2012 at 06:33:32PM +0300, Jukka Ruohonen wrote:
> On Tue, May 15, 2012 at 11:20:24AM -0400, Thor Lancelot Simon wrote:
> > It should be done in the envsys code, but the envsys code is, quite frankly,
> > insane, and I haven't got the stomach for it.
> > 
> > I did it to a few drivers that were fairly easy.  Any temperature, voltage,
> > or fan sensor is a good choice, and the timing of changes in gross power
> > state (plugged/unplugged, etc.) can also be useful though those do not
> > happen very often.
> 
> One more question: does it weaken the rnd(9) if the sources are correlated? 
> For instance, a desktop system might have acpitz(4), coretemp(4), and
> dbcool(4), and the temperature readings from these are without doubt highly
> correlated.

Indeed.  But they aren't *perfectly* correlated.  And that is the point.

Thor