Re: Real-World Impact of Hash DoS in Lua
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- Subject: Re: Real-World Impact of Hash DoS in Lua
- From: Tony Finch <dot@...>
- Date: 2012年1月26日 12:44:43 +0000
Rob Kendrick <rjek@rjek.com> wrote:
> On Thu, Jan 26, 2012 at 11:29:18AM +0100, Florian Weimer wrote:
>
> > Reading from /dev/urandom might be problematic because drains entropy
> > from the whole system.
>
> Not to mention making non-Linux users sad.
Neither of these is a problem on Mac OS X or FreeBSD :-)
But Windows and some commercial unices need something else.
Places to look for inspiration: Python's os.urandom(); Perl_seed() in
perl's util.c; OpenSSL crypto/rand/rand_*.c; Apache APR misc/*/rand.c.
Tony.
--
f.anthony.n.finch <dot@dotat.at> http://dotat.at/
Dogger, Fisher, German Bight: Southeasterly, becoming cyclonic later, 6 to
gale 8, occasionally severe gale 9 in Fisher, decreasing 4 or 5 at times.
Moderate or rough, occasionally very rough. Rain then showers. Moderate or
good.