From nobody Thu Dec  3 03:03:24 2020
Return-Path: <neil.madden@forgerock.com>
X-Original-To: oauth@ietfa.amsl.com
Delivered-To: oauth@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1])
 by ietfa.amsl.com (Postfix) with ESMTP id 022213A003E
 for <oauth@ietfa.amsl.com>; Thu,  3 Dec 2020 03:03:23 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.098
X-Spam-Level: 
X-Spam-Status: No, score=-2.098 tagged_above=-999 required=5
 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1,
 DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001,
 SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001]
 autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key)
 header.d=forgerock.com
Received: from mail.ietf.org ([4.31.198.44])
 by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024)
 with ESMTP id ZImE2dBGZVz6 for <oauth@ietfa.amsl.com>;
 Thu,  3 Dec 2020 03:03:21 -0800 (PST)
Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com
 [IPv6:2a00:1450:4864:20::535])
 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
 (No client certificate requested)
 by ietfa.amsl.com (Postfix) with ESMTPS id 215B93A0062
 for <oauth@ietf.org>; Thu,  3 Dec 2020 03:03:20 -0800 (PST)
Received: by mail-ed1-x535.google.com with SMTP id d18so1618949edt.7
 for <oauth@ietf.org>; Thu, 03 Dec 2020 03:03:20 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=forgerock.com; s=google;
 h=from:message-id:mime-version:subject:date:in-reply-to:cc:to
 :references; bh=FnrBdrJbc/sTiMV+o9hnqSeJEh+KoWtYqn/BBmrupLk=;
 b=boXfo0N37RcAO5hUb4re8ZQwOlxo+rH5lqPo5xFKdl5XVSRKC1QJJEQU6sDKFjRaKI
 SfJwGVSoHo2UXuzPS9f8/802bjRvq1LO/qSH2uJrAB8R8V3HOVnhN61QpqRp5+P+b/1r
 O6S2Wr+jpLw428bRcyMTKEMFmFdCjb/1OpIH0=
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20161025;
 h=x-gm-message-state:from:message-id:mime-version:subject:date
 :in-reply-to:cc:to:references;
 bh=FnrBdrJbc/sTiMV+o9hnqSeJEh+KoWtYqn/BBmrupLk=;
 b=R+6vYP+KYBBz4GeeW3nZ74fJjlKZTKAaNkGQKhFP1lK1bdNN+yOsLMS+JxcqWc2u98
 CuxlZvcrzJTjgfuD7xlO076TuvuSk/HfQye7x/7zAuo5NcXy6kZqYpy9674/XVcQNtjt
 /mcVsELqJrmBqkq6Jdz5wuDG5CQEXSbG6vY2NORLGkXI52y2s5m+ljij3bcLXuphhRsw
 tDbeGY1QZYYN8pIrYyLahH+gbDuAoZH0HtOoiv2BnPYBTp/Km1favNSCSi3azkFh899P
 lD6evv5cddcfqy9BV5YaVskpj7g10j4jpT4UaqyV7Xdw0zSFkEFEqxicpdoP3LrNAOC4
 TtUw==
X-Gm-Message-State: AOAM531cICihN4R78/b2icQs4hJL3JRfxTlO7aE4Cj+94FTMXd1AkWsJ
 9J4B3hGg/j12MmQ9ncp+W/EgUlzu4rMADp0DIulwG8QaczO9IXoigCIqnHjZaGNogrRGRkqAXY7
 XvDpPDw==
X-Google-Smtp-Source: ABdhPJzXyZWM1kEP2SLAOSsXjoaZ3BX8Htd/Uo27mTstqfw/oCMqaTUQzS44xl3g9VJiyoLBJIgEOA==
X-Received: by 2002:a50:875b:: with SMTP id 27mr2358188edv.24.1606993399344;
 Thu, 03 Dec 2020 03:03:19 -0800 (PST)
Received: from [10.0.0.4] ([213.31.218.193])
 by smtp.gmail.com with ESMTPSA id qu21sm573218ejb.95.2020.12.03.03.03.16
 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128);
 Thu, 03 Dec 2020 03:03:18 -0800 (PST)
From: Neil Madden <neil.madden@forgerock.com>
Message-Id: <BD66D8B2-C37C-43D9-B3D5-72E52146AF97@forgerock.com>
Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.1\))
Date: Thu, 3 Dec 2020 11:03:14 +0000
In-Reply-To: <CA+k3eCQjCjbcHxmTFn_Ce1aQ-gn31mAXNp9PGp7d6mXkfyDWPA@mail.gmail.com>
Cc: oauth <oauth@ietf.org>
To: Brian Campbell <bcampbell=40pingidentity.com@dmarc.ietf.org>
References: <CA+k3eCQjCjbcHxmTFn_Ce1aQ-gn31mAXNp9PGp7d6mXkfyDWPA@mail.gmail.com>
X-Mailer: Apple Mail (2.3608.120.23.2.1)
Content-Type: multipart/alternative;
 boundary="Apple-Mail=_7DE1598E-51C3-4ABC-B444-94D5D7B81B41"
Archived-At: <https://mailarchive.ietf.org/arch/msg/oauth/eDwx_UYsoPINEI9rU4TYTmawi7w>
Subject: Re: [OAUTH-WG] DPoP followup III: client auth
X-BeenThere: oauth@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: OAUTH WG <oauth.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/oauth>,
 <mailto:oauth-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/oauth/>
List-Post: <mailto:oauth@ietf.org>
List-Help: <mailto:oauth-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/oauth>,
 <mailto:oauth-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 03 Dec 2020 11:03:23 -0000


--Apple-Mail=_7DE1598E-51C3-4ABC-B444-94D5D7B81B41
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset="ISO-8859-1"

I like the last option :-)

> On 2 Dec 2020, at 22:29, Brian Campbell <bcampbell=3D40pingidentity.com@d=
marc.ietf.org> wrote:
>=20
> There were a few items discussed somewhat during the recent interim <http=
s://datatracker.ietf.org/meeting/interim-2020-oauth-16/session/oauth> that =
I committed to bringing back to the list. The slide below (also available w=
ith a few extra spelling errors as slide #19 from the interim presentation =
<https://datatracker.ietf.org/meeting/interim-2020-oauth-16/materials/slide=
s-interim-2020-oauth-16-sessa-dpop-01.pdf>) is the last of them.
>=20
> To summarize, I'm wondering if there's WG interest in working to formaliz=
e a client-to-AS authentication mechanism based on DPoP. I think it potenti=
ally would be problematic to put into the current document (for a number of=
 reasons) so am preemptively ruling out that option. Thus, basically, I'm a=
sking the WG if there is some/much interest in the idea? In which case I'll=
 find some time (at some point) to write up an I-D for it and bring that ba=
ck to the group for consideration. Or if I should, as the slide says, "shut=
 up and never speak of this again"?
>=20
> <Slide19.jpeg>
>=20
>=20
> CONFIDENTIALITY NOTICE: This email may contain confidential and privilege=
d material for the sole use of the intended recipient(s). Any review, use, =
distribution or disclosure by others is strictly prohibited.  If you have r=
eceived this communication in error, please notify the sender immediately b=
y e-mail and delete the message and any file attachments from your computer=
. Thank you._______________________________________________
> OAuth mailing list
> OAuth@ietf.org
> https://www.ietf.org/mailman/listinfo/oauth


--=20
ForgeRock values your Privacy <https://www.forgerock.com/your-privacy>

--Apple-Mail=_7DE1598E-51C3-4ABC-B444-94D5D7B81B41
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html; charset="ISO-8859-1"

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; charset=
=3Dus-ascii"></head><body style=3D"word-wrap: break-word; -webkit-nbsp-mode=
: space; line-break: after-white-space;" class=3D"">I like the last option =
:-)<br class=3D"">
<div><br class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">On=
 2 Dec 2020, at 22:29, Brian Campbell &lt;<a href=3D"mailto:bcampbell=3D40p=
ingidentity.com@dmarc.ietf.org" class=3D"">bcampbell=3D40pingidentity.com@d=
marc.ietf.org</a>&gt; wrote:</div><br class=3D"Apple-interchange-newline"><=
div class=3D""><div dir=3D"ltr" class=3D""><div class=3D"">There were a few=
 items discussed somewhat during the <a href=3D"https://datatracker.ietf.or=
g/meeting/interim-2020-oauth-16/session/oauth" target=3D"_blank" class=3D""=
>recent interim</a> that I committed to bringing back to the list. The slid=
e below (also available with a few extra spelling errors as slide #19 from =
<a href=3D"https://datatracker.ietf.org/meeting/interim-2020-oauth-16/mater=
ials/slides-interim-2020-oauth-16-sessa-dpop-01.pdf" target=3D"_blank" clas=
s=3D"">the interim presentation</a>) is the last of them.</div><div class=
=3D""><br class=3D""></div><div class=3D"">To summarize, I'm wondering if t=
here's WG interest in working to formalize a client-to-AS authentication me=
chanism based on DPoP. I think it potentially would be problematic to put i=
nto the current document (for a number of reasons) so am preemptively rulin=
g out that option. Thus, basically, I'm asking the WG if there is some/much=
 interest in the idea? In which case I'll find some time (at some point) to=
 write up an I-D for it and bring that back to the group for consideration.=
 Or if I should, as the slide says, "shut up and never speak of this again"=
?</div><div class=3D""><br class=3D""></div><div class=3D""><span id=3D"cid=
:ii_ki7r7h4z0">&lt;Slide19.jpeg&gt;</span><br class=3D""><br class=3D""></d=
iv></div>

<br class=3D"">
<i style=3D"margin:0px;padding:0px;border:0px;outline:0px;vertical-align:ba=
seline;background:rgb(255,255,255);font-family:proxima-nova-zendesk,system-=
ui,-apple-system,system-ui,&quot;Segoe UI&quot;,Roboto,Oxygen-Sans,Ubuntu,C=
antarell,&quot;Helvetica Neue&quot;,Arial,sans-serif;color:rgb(85,85,85)" c=
lass=3D""><span style=3D"margin:0px;padding:0px;border:0px;outline:0px;vert=
ical-align:baseline;background:transparent;font-family:proxima-nova-zendesk=
,system-ui,-apple-system,BlinkMacSystemFont,&quot;Segoe UI&quot;,Roboto,Oxy=
gen-Sans,Ubuntu,Cantarell,&quot;Helvetica Neue&quot;,Arial,sans-serif;font-=
weight:600" class=3D""><font size=3D"2" class=3D"">CONFIDENTIALITY NOTICE: =
This email may contain confidential and privileged material for the sole us=
e of the intended recipient(s). Any review, use, distribution or disclosure=
 by others is strictly prohibited.&nbsp; If you have received this communic=
ation in error, please notify the sender immediately by e-mail and delete t=
he message and any file attachments from your computer. Thank you.</font></=
span></i>_______________________________________________<br class=3D"">OAut=
h mailing list<br class=3D""><a href=3D"mailto:OAuth@ietf.org" class=3D"">O=
Auth@ietf.org</a><br class=3D"">https://www.ietf.org/mailman/listinfo/oauth=
<br class=3D""></div></blockquote></div><br class=3D""></body></html>
<br>
<span style=3D"color:rgb(23,43,77);font-family:-apple-system,BlinkMacSystem=
Font,&quot;Segoe UI&quot;,Roboto,Oxygen,Ubuntu,&quot;Fira Sans&quot;,&quot;=
Droid Sans&quot;,&quot;Helvetica Neue&quot;,sans-serif;background-color:rgb=
(255,255,255)"><font size=3D"1">ForgeRock values your <a href=3D"https://ww=
w.forgerock.com/your-privacy" target=3D"_blank">Privacy</a></font></span>
--Apple-Mail=_7DE1598E-51C3-4ABC-B444-94D5D7B81B41--

