From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#35787: 26.2; gnutls: accessing raw server certificate data Date: Tue, 09 Jul 2019 04:42:58 +0200 Message-ID: <87r270dj2l.fsf@mouse.gnus.org> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="150956"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: 35787@debbugs.gnu.org To: Julian Scheid Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jul 09 04:45:09 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hkg7w-000dA6-WD for geb-bug-gnu-emacs@m.gmane.org; Tue, 09 Jul 2019 04:45:09 +0200 Original-Received: from localhost ([::1]:46242 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hkg7w-0006nS-1p for geb-bug-gnu-emacs@m.gmane.org; Mon, 08 Jul 2019 22:45:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46930) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hkg7r-0006n0-5d for bug-gnu-emacs@gnu.org; Mon, 08 Jul 2019 22:45:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hkg7q-0006Tm-0q for bug-gnu-emacs@gnu.org; Mon, 08 Jul 2019 22:45:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:51335) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hkg7p-0006Ti-TN for bug-gnu-emacs@gnu.org; Mon, 08 Jul 2019 22:45:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hkg7p-0003F2-Po for bug-gnu-emacs@gnu.org; Mon, 08 Jul 2019 22:45:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 09 Jul 2019 02:45:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 35787 X-GNU-PR-Package: emacs Original-Received: via spool by 35787-submit@debbugs.gnu.org id=B35787.156264026712284 (code B ref 35787); Tue, 09 Jul 2019 02:45:01 +0000 Original-Received: (at 35787) by debbugs.gnu.org; 9 Jul 2019 02:44:27 +0000 Original-Received: from localhost ([127.0.0.1]:60156 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hkg7G-0003C4-Px for submit@debbugs.gnu.org; Mon, 08 Jul 2019 22:44:27 -0400 Original-Received: from quimby.gnus.org ([80.91.231.51]:38572) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hkg7D-0003BR-90 for 35787@debbugs.gnu.org; Mon, 08 Jul 2019 22:44:24 -0400 Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=marnie) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hkg5q-0008Hw-Fi; Tue, 09 Jul 2019 04:43:00 +0200 In-Reply-To: (Julian Scheid's message of "Sat, 18 May 2019 13:48:47 +1200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:162429 Archived-At: Julian Scheid writes: > Hello, I would like to request a feature: accessing the raw certificate > of a server connected to via `gnutls-negotiate' (or such). > > Currently, `gnutls-peer-status' only allows accessing high-level > information extracted from the certificate, such as the issuer, but not > the certificate data itself. Other details are returned in the process object, like gnutls_x509_crt_get_fingerprint of the certificate. > Access to the raw certificate data would allow implementing the > `tls-server-endpoint' channel binding type as per > https://tools.ietf.org/html/rfc5929#section-4.1 , which requires >> [t]he hash of the TLS server's certificate [RFC5280] as it >> appears, octet for octet, in the server's Certificate message. Note >> that the Certificate message contains a certificate_list, in which >> the first element is the server's certificate. Does this hash relate in any way to gnutls_x509_crt_get_fingerprint? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no