GNU bug report logs - #15057
24.3.50; TLS error with reasonably high gnutls-min-prime-bits

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Message #14 received at 15057 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: 15057 <at> debbugs.gnu.org
Cc: Tassilo Horn <tsdh <at> gnu.org>
Subject: Re: bug#15057: 24.3.50;
 TLS error with reasonably high gnutls-min-prime-bits
Date: Thu, 30 Jan 2014 16:46:43 -0800

Ted Zlatanov <tzz <at> lifelogs.com> writes:

> LMI> gnutls will try to use as high a number of bits as the server supports,
> LMI> I think?  So the variables are fine as they are -- they will give you
> LMI> all the security that the server says that it can provide.
>
> LMI> So the warning is kinda semi-bogus.  Or at least ... premature.
>
> It's complicated and depends on the specific TLS priority string on the
> client and the server's preferences; e.g. ECC seems to negotiate in a
> completely different way.  I asked on the gnutls-devel mailing list and
> there's just no good answer AFAICT.

But we're specifying the minimum prime bits that we accept.  Surely the
client and server will negotiate the maximum possible bits they both
accept?

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/

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