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From: Mike Jones <Michael.Jones@microsoft.com>
To: Eran Hammer-Lahav <eran@hueniverse.com>,
 "OAuth WG (oauth@ietf.org)" <oauth@ietf.org>
Thread-Topic: Proposal: OAuth 1.0 signature in core with revision
Thread-Index: ActeDoaUK2WoVUKmSgyhimH2rZiaMgAU1jaQ
Date: Mon, 27 Sep 2010 16:36:42 +0000
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Subject: Re: [OAUTH-WG] Proposal: OAuth 1.0 signature in core with revision
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Since you were asking for votes earlier, I'll add a -1.  I believe the indu=
stry would be better served by approving a draft soon without signatures, a=
nd then working on signatures separately.

                                                            -- Mike

From: oauth-bounces@ietf.org [mailto:oauth-bounces@ietf.org] On Behalf Of E=
ran Hammer-Lahav
Sent: Sunday, September 26, 2010 11:44 PM
To: OAuth WG (oauth@ietf.org)
Subject: [OAUTH-WG] Proposal: OAuth 1.0 signature in core with revision

Building on John Panzer's proposal, I would like to ask if people have stro=
ng objections to the following:

- Add the 1.0a RFC language for HMAC-SHA-1 signatures to the core specifica=
tion in -11
- Discuss the signature language on the list and improve both prose and sig=
nature base string construction
- Apply improvements to -12

Keeping the 1.0a signature in the core specification makes sense and builds=
 on existing experience and deployment. If we can reach quick consensus on =
some improvements, great. If not, we satisfy the need of many here to offer=
 a simple alternative to bearer tokens, without having to reach consensus o=
n a new signature algorithm suitable for core inclusion.

---

I have seen nothing to suggest that this working group is going to reach co=
nsensus on a single signature algorithm worthy of core inclusion. I agree w=
ith John that at least the 1.0a algorithm is well understood and already de=
ployed. I can live with it used without changes, which will also allow reus=
ing existing code with 2.0. I think we can improve it by making small chang=
es, but have better things to do with my time than spend the next few month=
s arguing over it.

By including the 1.0a text in -11, we will have a feature complete specific=
ation that I hope many people here can live with if it doesn't change (whic=
h looks more likely).

My question is, who here has strong objections to this, and cannot live wit=
h the core specification including the 1.0a HMAC-SHA1 algorithm?

EHL

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<p class=3D"MsoNormal"><span style=3D"color:#002060">Since you were asking =
for votes earlier, I&#8217;ll add a -1.&nbsp; I believe the industry would =
be better served by approving a draft soon without signatures, and then wor=
king on signatures separately.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#002060"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#002060">&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -- Mike<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#002060"><o:p>&nbsp;</o:p></spa=
n></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> oauth-bo=
unces@ietf.org [mailto:oauth-bounces@ietf.org]
<b>On Behalf Of </b>Eran Hammer-Lahav<br>
<b>Sent:</b> Sunday, September 26, 2010 11:44 PM<br>
<b>To:</b> OAuth WG (oauth@ietf.org)<br>
<b>Subject:</b> [OAUTH-WG] Proposal: OAuth 1.0 signature in core with revis=
ion<o:p></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Building on John Panzer&#8217;s proposal, I would li=
ke to ask if people have strong objections to the following:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">- Add the 1.0a RFC language for HMAC-SHA-1 signature=
s to the core specification in -11<o:p></o:p></p>
<p class=3D"MsoNormal">- Discuss the signature language on the list and imp=
rove both prose and signature base string construction<o:p></o:p></p>
<p class=3D"MsoNormal">- Apply improvements to -12<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Keeping the 1.0a signature in the core specification=
 makes sense and builds on existing experience and deployment. If we can re=
ach quick consensus on some improvements, great. If not, we satisfy the nee=
d of many here to offer a simple alternative
 to bearer tokens, without having to reach consensus on a new signature alg=
orithm suitable for core inclusion.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">---<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">I have seen nothing to suggest that this working gro=
up is going to reach consensus on a single signature algorithm worthy of co=
re inclusion. I agree with John that at least the 1.0a algorithm is well un=
derstood and already deployed. I can
 live with it used without changes, which will also allow reusing existing =
code with 2.0. I think we can improve it by making small changes, but have =
better things to do with my time than spend the next few months arguing ove=
r it.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">By including the 1.0a text in -11, we will have a fe=
ature complete specification that I hope many people here can live with if =
it doesn&#8217;t change (which looks more likely).<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">My question is, who here has strong objections to th=
is, and cannot live with the core specification including the 1.0a HMAC-SHA=
1 algorithm?<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">EHL<o:p></o:p></p>
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