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Re: libnettle/libhogweed WIP

From: Eli Zaretskii
Subject: Re: libnettle/libhogweed WIP
Date: Thu, 27 Jul 2017 05:34:07 +0300

> From: Paul Eggert <address@hidden>
> Date: Wed, 26 Jul 2017 17:19:10 -0700
> Ted Zlatanov wrote:
> > Can you give me a recipe to reproduce the problem with your distribution
> > and packages?
> I can reliably reproduce what appears to be this problem (or one closely 
> related 
> to it) on Ubuntu 16.04.2 LTS x86-64 when running Emacs master. My guess is 
> that 
> GnuTLS silently changed the semantics of the affected C functions. The 
> problematic version of Ubuntu has GnuTLS 3.4.10. I do not observe a problem 
> on 
> Fedora 26, which has GnuTLS 3.5.14. If my guess is right, a simple workaround 
> would be to not use the affected functions unless running GnuTLS 3.5.14 or 
> later.

It would be a pity to give up these functions if we can make the code
work with some conditional code.

Can you tell what change in semantics could explain this failure?


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