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    <div class="moz-cite-prefix">It surprises me that the very
      fundamental user_id -> sub breaking change was introduced in
      this revision, but the group wanted to hold back on both
      registration and discovery until after this publication so as to
      limit the number of deep compatibility breaks. I guess what I
      don't understand is the willingness to break things in one area
      but hesitance in others, especially since the user_id -> sub
      change came up only very recently. Don't get me wrong, I'm very
      much in favor of *all* of these changes, but I don't understand
      the logic in how we're deciding what gets broken and when.<br>
      <br>
      Also, as I recall the discussion, both of these documents were
      supposed to have a note at the top of them pointing them to the
      appropriate upstream draft (oauth2-dyn-reg and webfinger,
      respectively) as an impending change. I can only guess that these
      notes got lost during the holiday shuffle and the barrage of
      JOSE-related changes, but if there's any good way to get these
      pointers in place, I believe we should do so.<br>
      <br>
       -- Justin<br>
      <br>
      On 12/28/2012 08:09 PM, Mike Jones wrote:<br>
    </div>
    <blockquote
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      <div class="WordSection1">
        <p class="MsoNormal">New versions of the OpenID Connect
          specifications have been released resolving numerous open
          issues raised by the working group.  The most significant
          change is changing the name of the “<span
            style="font-family:"Courier New"">user_id</span>”
          claim to “<span style="font-family:"Courier New"">sub</span>”
          (subject) so that ID Tokens conform to the
          <a moz-do-not-send="true"
            href="http://tools.ietf.org/html/draft-ietf-oauth-jwt-bearer-04">OAuth
            JWT Bearer Profile specification</a>, and so they can be
          used as OAuth assertions.  (Also, see the related
          <a moz-do-not-send="true"
            href="http://self-issued.info/?p=916">coordinated change to
            the OAuth JWT specifications</a>.)  A related enhancement
          was extending our use of the “<span
            style="font-family:"Courier New"">aud</span>”
          (audience) claim to allow ID Tokens to have multiple
          audiences.  Also, a related addition was defining the “<span
            style="font-family:"Courier New"">azp</span>”
          (authorized party) claim to allow implementers to experiment
          with this proposed functionality.  (This is a slightly more
          general form of the “<span style="font-family:"Courier
            New"">cid</span>” claim that Google and Nat Sakimura
          had proposed.)<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Other updates were:<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l1 level1 lfo3"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]-->The “<span
            style="font-family:"Courier New"">offline_access</span>”
          scope value was defined to request that a refresh token be
          returned when using the code flow that can be used to obtain
          an access token granting access to the user’s UserInfo
          endpoint even when the user is not present.<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l1 level1 lfo3"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]-->A new “<span
            style="font-family:"Courier New"">tos_url</span>”
          registration parameter was added so that the terms of service
          can be specified separately from the usage policy.<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l1 level1 lfo3"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]-->Clarified that “<span
            style="font-family:"Courier New"">jwk_url</span>”
          and “<span style="font-family:"Courier New"">jwk_encryption_url</span>”
          refer to documents containing JWK Sets - not single JWK keys.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Implementers need to apply these name
          changes to their code:<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l2 level1 lfo2"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><span
            style="font-family:"Courier New"">user_id</span>
          ->
          <span style="font-family:"Courier New"">sub</span><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l2 level1 lfo2"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><span
            style="font-family:"Courier New"">prn</span> ->
          <span style="font-family:"Courier New"">sub</span><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l2 level1 lfo2"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><span
            style="font-family:"Courier New"">user_id_types_supported</span>
          ->
          <span style="font-family:"Courier New"">subject_types_supported</span><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l2 level1 lfo2"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><span
            style="font-family:"Courier New"">user_id_type</span>
          ->
          <span style="font-family:"Courier New"">subject_type</span><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l2 level1 lfo2"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><span
            style="font-family:"Courier New"">acrs_supported</span>
          ->
          <span style="font-family:"Courier New"">acr_values_supported</span><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l2 level1 lfo2"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><span
            style="font-family:"Courier New"">alg</span> ->
          <span style="font-family:"Courier New"">kty</span>
          (in JWKs)<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">See the Document History section of each
          specification for more details about the changes made.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">This release is part of a coordinated
          release of JOSE, OAuth, and OpenID Connect specifications. 
          You can read about the other releases here: 
          <a moz-do-not-send="true"
            href="http://self-issued.info/?p=913">JOSE Release Notes</a>,
          <a moz-do-not-send="true"
            href="http://self-issued.info/?p=916">
            OAuth Release Notes</a>.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">The new specification versions are:<o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><a
            moz-do-not-send="true"
            href="http://openid.net/specs/openid-connect-basic-1_0-22.html">http://openid.net/specs/openid-connect-basic-1_0-22.html</a><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><a
            moz-do-not-send="true"
            href="http://openid.net/specs/openid-connect-implicit-1_0-05.html">http://openid.net/specs/openid-connect-implicit-1_0-05.html</a><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><a
            moz-do-not-send="true"
            href="http://openid.net/specs/openid-connect-messages-1_0-14.html">http://openid.net/specs/openid-connect-messages-1_0-14.html</a><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><a
            moz-do-not-send="true"
            href="http://openid.net/specs/openid-connect-standard-1_0-15.html">http://openid.net/specs/openid-connect-standard-1_0-15.html</a><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><a
            moz-do-not-send="true"
            href="http://openid.net/specs/openid-connect-discovery-1_0-11.html">http://openid.net/specs/openid-connect-discovery-1_0-11.html</a><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><a
            moz-do-not-send="true"
            href="http://openid.net/specs/openid-connect-registration-1_0-13.html">http://openid.net/specs/openid-connect-registration-1_0-13.html</a><o:p></o:p></p>
        <p class="MsoListParagraph"
          style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
            style="font-family:Symbol"><span style="mso-list:Ignore">·<span
                style="font:7.0pt "Times New Roman"">       
              </span></span></span><!--[endif]--><a
            moz-do-not-send="true"
            href="http://openid.net/specs/openid-connect-session-1_0-10.html">http://openid.net/specs/openid-connect-session-1_0-10.html</a><o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">                                                           
          -- Mike<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
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    </blockquote>
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