Re: [PATCH RFC v4 1/1] random: WARN on large getrandom() waits and introduce getrandom2()

Matthew Garrett
2019-09-20T20:34:54Z

On Fri, Sep 20, 2019 at 12:51:12PM -0700, Linus Torvalds wrote:

> So we absolutely _will_ come up with some way 0 ends the wait. Whether
> it's _just_ a timeout, or whether it's jitter-entropy or whatever, it
> will happen.

FWIW, Zircon uses the jitter entropy generator to seed the CRNG and
documented their findings in
https://fuchsia.dev/fuchsia-src/zircon/jitterentropy/config-basic .
--
Matthew Garrett | mjg59@srcf.ucam.org