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Re: /dev/random is hot garbage
On Sun, Jul 21, 2019 at 04:53:08PM +0000, Taylor R Campbell wrote:
> It has become popular to redefine the traditional semantics of
> /dev/random or /dev/urandom so that one or both will block once at
> boot until the OS thinks the entropy pool may have been seeded, and
> then never block again.
> I don't want to do this because code paths that may block but only
> in extreme circumstances, like early at boot on an embedded system,
> are likely never to be exercised even during what might otherwise be
> extensive testing, and as noted blocking when not expected can have
> severe consequences.
It currently blocks for literally hours/days. We can't have the OS not
function due to this purity.
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