From: Jason Cooper <jason@lakedaemon.net>
To: Sandy Harris <sandyinchina@gmail.com>
Cc: linux-crypto@vger.kernel.org
Subject: Re: memset() in crypto code?
Date: Mon, 6 Oct 2014 14:23:45 -0400 [thread overview]
Message-ID: <20141006182345.GC14468@titan.lakedaemon.net> (raw)
In-Reply-To: <CACXcFmmv2hKaVNS3hok6V=7VmrqTMF1_Pn2z0e31dd_YywBfKQ@mail.gmail.com>
On Mon, Oct 06, 2014 at 01:59:06PM -0400, Sandy Harris wrote:
> On Mon, Oct 6, 2014 at 1:44 PM, Jason Cooper <jason@lakedaemon.net> wrote:
>
> > On Sat, Oct 04, 2014 at 11:09:40PM -0400, Sandy Harris wrote:
> >> There was recently a patch to the random driver to replace memset()
> >> because, according to the submitter, gcc sometimes optimises memset()
> >> away which might leave data unnecessarily exposed. The solution
> >> suggested was a function called memzero_explicit(). There was a fair
> >> bit of discussion and the patch was accepted.
> >
> > Do you have a pointer?
>
> https://lkml.org/lkml/2014/8/25/497
Ok, that was the same thread I found. I was looking for the 'fair bit
of discussion' part. ;-)
thx,
Jason.
next prev parent reply other threads:[~2014-10-06 18:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-05 3:09 memset() in crypto code? Sandy Harris
2014-10-05 10:33 ` Daniel Borkmann
2014-10-06 17:44 ` Jason Cooper
2014-10-06 17:59 ` Sandy Harris
2014-10-06 18:23 ` Jason Cooper [this message]
2014-10-06 18:52 ` Sandy Harris
2014-10-06 19:02 ` Daniel Borkmann
2014-10-08 2:30 ` Sandy Harris
2014-10-08 7:18 ` Daniel Borkmann
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