On Mon, Apr 05, 2021 at 09:30:16AM -0700, Greg A. Woods wrote: > At Mon, 5 Apr 2021 10:46:19 +0200, Manuel Bouyer <bou...@antioche.eu.org> > wrote: > Subject: Re: regarding the changes to kernel entropy gathering > > > > If I understood it properly, there's no need for such a knob. > > echo 0123456789abcdef0123456789abcdef > /dev/random > > > > will get you back to the state we had in netbsd-9, with (pseudo-)randomness > > collected from devices. > > Well, no, not quite so much randomness. Definitely pseudo though! > > My patch on the other hand can at least inject some real randomness into > the entropy pool, even if it is observable or influenceable by nefarious > dudes who might be hiding out in my garage.
As I understand it, once /dev/random has been seeded, randomness from other devices will be taken into account (with or without your patch). In your case, /dev/random reads did block because it didn't get an initial seed. -- Manuel Bouyer <bou...@antioche.eu.org> NetBSD: 26 ans d'experience feront toujours la difference --