Re: Linux messages full of `random: get_random_u32 called from`

From: Sultan Alsawaf
Date: Sun Apr 29 2018 - 13:05:53 EST


On Sun, Apr 29, 2018 at 04:32:05PM +0200, Pavel Machek wrote:
> Hi!
>
> > This is why ultimately, we do need to attack this problem from both
> > ends, which means teaching userspace programs to only request
> > cryptographic-grade randomness when it is really needed --- and most
> > of the time, if the user has not logged in yet, you probably don't
> > need cryptographic-grade randomness....
>
> IOW moving them from /dev/random to /dev/urandom?
> Pavel
>
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

/dev/urandom isn't cryptographically secure, so that's not an option.