From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Julian Scheid Newsgroups: gmane.emacs.bugs Subject: bug#35787: 26.2; gnutls: accessing raw server certificate data Date: Sat, 18 May 2019 13:48:47 +1200 Message-ID: Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="000000000000ecb3f805891fb396" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="121275"; mail-complaints-to="usenet@blaine.gmane.org" To: 35787@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat May 18 03:50:13 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 (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hRoUF-000VMU-7H for geb-bug-gnu-emacs@m.gmane.org; Sat, 18 May 2019 03:50:11 +0200 Original-Received: from localhost ([127.0.0.1]:56252 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRoUE-00045I-4w for geb-bug-gnu-emacs@m.gmane.org; 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X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x 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:159474 Archived-At: --000000000000ecb3f805891fb396 Content-Type: text/plain; charset="UTF-8" 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. 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. --000000000000ecb3f805891fb396 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
He= llo, 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 t= he issuer, but not
the certificate data itself.

Access to the raw certificate data would allow implementing the
`tls-server-endpoint' channel binding type as per
> [t]he hash= of the TLS server's certificate [RFC5280] as it
> appears= , octet for octet, in the server's Certificate message.=C2=A0 Note
> that the Certificate message contains a certificate_list, in whi= ch
> the first element is the server's certificate.
<= div>
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