Re: [RFH] gpg --import entropy while running tests

From: Jeff King <peff@peff.net>
Date: Dec 28, 2016, 08:39 UTC
Message-ID: <20161228083930.5li6cb6yplusc26m@sigill.intra.peff.net>
In-Reply-To: <20161228080230.wygcmdmwvifcthvl@sigill.intra.peff.net>

On Wed, Dec 28, 2016 at 03:02:30AM -0500, Jeff King wrote:

Show 14 quoted lines

> > Is it a bug in gpg (oddly, the kernel reports lots of entropy available,
> > and generating the signatures themselves is quite fast)? Or is the new
> > version doing something special in the import process that we need to
> > work around or disable?
> 
> Answering my own question (somewhat): this is bisectable in the gnupg
> repository, and it turns out to be caused by their 4473db1ef (agent:
> Kludge to mitigate blocking calls in Libgcrypt., 2016-11-11), which
> introduces a 100ms sleep (yuck) that is presumably triggering way more
> than it needs to. More details at:
> 
>   https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=4473db1ef24031ff4e26c9a9de95dbe898ed2b97
> 
> So this does seem like a gpg bug.

I've submitted a bug report to gpg:

  https://bugs.gnupg.org/gnupg/issue2897

so we'll see what they say.

-Peff