From: Ted Zlatanov <tzz@lifelogs.com>
To: emacs-devel@gnu.org
Subject: Re: GnuTLS and certificate verification
Date: Fri, 21 Dec 2012 12:17:25 -0500 [thread overview]
Message-ID: <87623vjpei.fsf@lifelogs.com> (raw)
In-Reply-To: <87sjaw2k5p.fsf@dex.adm.naquadah.org> (Julien Danjou's message of "Thu, 06 Sep 2012 00:13:06 +0200")
On Thu, 06 Sep 2012 00:13:06 +0200 Julien Danjou <julien@danjou.info> wrote:
JD> I'd like gnutls to check that the server I connect to are trusted. Using
JD> Gnus and smtpmail, currently, the check is disable because
JD> the argument :verify-hostname-error to `gnutls-negotiate' is always nil.
JD> It seems nothing uses it for now.
JD> I wonder if adding a global defcustom would be helpful here. WDYT?
Yes, if the underlying code works.
JD> OTOH, I've tried to set it manually to t, and I added my CA to the know
JD> certificates. gnutls-bin is now happy to connect to my IMAP server and
JD> considers it secure ("Peer's certificate is trusted"). But with
JD> gnutls.c, I keep hitting:
JD> if (peer_verification & GNUTLS_CERT_SIGNER_NOT_FOUND)
JD> GNUTLS_LOG2 (1, max_log_level, "certificate signer was not found:",
JD> c_hostname);
JD> Note that the trustfile used seems correct too.
JD> If anybody has a clue, I'd be glad…
I tested this but not thoroughly with self-signed certs (which it seems
you're using, though I can't be sure from your description).
This specific error could be due to many things; you need to either look
at the GnuTLS context yourself, post a recipe for duplicating the issue
here or in a bug, or ask in the gnutls-devel mailing list with that
recipe. Either way I will try to help you find the solution.
Ted
next prev parent reply other threads:[~2012-12-21 17:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-05 22:13 GnuTLS and certificate verification Julien Danjou
2012-12-21 17:17 ` Ted Zlatanov [this message]
2012-12-22 14:49 ` Julien Danjou
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