Re: [chrony-users] Chrony vs. Linux RNG

[Miroslav Lichvar <mlichvar@xxxxxxxxxx>]

On Tue, May 08, 2018 at 11:56:11PM -0700, Bill Unruh wrote:
> > As I understand it, this affects quite a few applications and there is
> > still some upstream discussion related to the RNG fix. Maybe it will
> > sort itself out on the kernel side. If not, I think we should consider
> > releasing 3.3.1 with the fallback to /dev/urandom.
> 
> Does it not use urandom now? It really should not use /dev/random if that is
> what it does.

It uses the getrandom() system call with the "urandom" source, but not
in the non-blocking mode (GRND_NONBLOCK).

http://man7.org/linux/man-pages/man2/getrandom.2.html

-- 
Miroslav Lichvar

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