[ltp] Re: random number generator

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Thu, 22 Feb 2007 12:59:50 -0200


On Thu, 22 Feb 2007, Marcus Better wrote:
> Henrique de Moraes Holschuh wrote:
> 
> > The TPM chip has one,
> 
> Can it be used as a general purpose entropy source?

Yes.  But it is a very expensive one, I believe (as in it does not have a
large bandwidth).

> > and the WiFi card probably has one too. 
> 
> That is not likely to be exposed though. (Hmm, maybe there is a way to get
> at the entropy without sending frames out the air?)

Ask Intel :p

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh