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    <div class="moz-cite-prefix">RPs shouldn't rely on the login_id
      having *any* effect on the IdP's processing and MUST NOT have any
      expectations to the contrary. The transaction could come back with
      a different user, it could come back with a pseudonymous account,
      etc. The idea for this, as I understand it, is just for the RP to
      provide a hint for better UX. It does nothing to change the
      security profile.<br>
      <br>
       -- Justin<br>
      <br>
      On 08/30/2012 02:01 PM, Breno de Medeiros wrote:<br>
    </div>
    <blockquote
cite="mid:CAAJ++qEAf+_2ZJTyiVMR1zFbgUu9KcMJ9ah5vz64uTQRY-dWqQ@mail.gmail.com"
      type="cite">
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        charset=ISO-8859-1">
      <br>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">On Thu, Aug 30, 2012 at 11:00 AM,
          Richer, Justin P. <span dir="ltr"><<a
              moz-do-not-send="true" href="mailto:jricher@mitre.org"
              target="_blank">jricher@mitre.org</a>></span> wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div style="word-wrap:break-word">
              As far as the spec is concerned, that's up to the IdP. A
              "Smart" IdP might prompt the user with something like:
              <div><br>
              </div>
              <div>"You are logging in to site X who thinks you're Bob,
                but you're logged in as Alice. Click here to log in as
                Bob instead."</div>
            </div>
          </blockquote>
          <div><br>
          </div>
          <div>Well, it might be useful to give RPs some expectations.
            For instance, RPs should be expecting the case where they
            supply a login_id but receive a session authenticated to a
            different user.</div>
          <div> </div>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div style="word-wrap:break-word"><span class="HOEnZb"><font
                  color="#888888">
                  <div><br>
                  </div>
                  <div> -- Justin</div>
                </font></span>
              <div>
                <div class="h5">
                  <div><br>
                    <div>
                      <div>On Aug 30, 2012, at 1:52 PM, Breno de
                        Medeiros wrote:</div>
                      <br>
                      <blockquote type="cite">Consider the case where
                        partners share a computer, or a user has a
                        personal account and a professional account with
                        the same IDP. If the currently logged-in user is
                        different from the suggested user via login_id,
                        what are the expectations?
                        <div class="gmail_extra"><br>
                          <br>
                          <div class="gmail_quote">On Thu, Aug 30, 2012
                            at 7:55 AM, Justin Richer <span dir="ltr">
                              <<a moz-do-not-send="true"
                                href="mailto:jricher@mitre.org"
                                target="_blank">jricher@mitre.org</a>></span>
                            wrote:<br>
                            <blockquote class="gmail_quote"
                              style="margin:0 0 0 .8ex;border-left:1px
                              #ccc solid;padding-left:1ex">
                              <div bgcolor="#FFFFFF" text="#000000">
                                <div>Ryo,<br>
                                  <br>
                                  We talked about this on the call this
                                  morning. Right now, we're saying that
                                  it's RECOMMENDED that they have the
                                  same value, but it's not required.
                                  Since there are currently two
                                  discovery setups (SWD and
                                  Webfinger/XRD) that use different
                                  parameter names, it might be a moot
                                  point to try and match those.<span><font
                                      color="#888888"><br>
                                      <br>
                                       -- Justin</font></span>
                                  <div>
                                    <div><br>
                                      <br>
                                      On 08/30/2012 01:28 AM, Ryo Ito
                                      wrote:<br>
                                    </div>
                                  </div>
                                </div>
                                <div>
                                  <div>
                                    <blockquote type="cite">
                                      <div>Do the principal parameter at
                                        discovery request and login_id
                                        parameter have same value?</div>
                                      <div>If it is Yes, the unification
                                        of the parameter name or
                                        reference will help developers.</div>
                                      <div><br>
                                      </div>
                                      <div>Thanks,</div>
                                      <div>Ryo</div>
                                      <br>
                                      <div class="gmail_quote">2012/8/30
                                        George Fletcher <span dir="ltr"><<a
                                            moz-do-not-send="true"
                                            href="mailto:gffletch@aol.com"
                                            target="_blank">gffletch@aol.com</a>></span><br>
                                        <blockquote class="gmail_quote"
                                          style="margin:0 0 0
                                          .8ex;border-left:1px #ccc
                                          solid;padding-left:1ex">
                                          <div bgcolor="#FFFFFF"
                                            text="#000000"><font
                                              face="Helvetica, Arial,
                                              sans-serif">How about
                                              adding the following to
                                              section 2.1.2 of
                                              Messages... after the
                                              id_token parameter<br>
                                              <br>
                                              login_id<br>
                                                  OPTIONAL. A hint to
                                              the authorization service
                                              as to the login_id the
                                              user may use to
                                              authenticate (if
                                              necessary). This hint can
                                              be used by an RP if it
                                              first asks the user for
                                              their email address (or
                                              other identifier) and then
                                              wants to pass that value
                                              as a hint to the
                                              discovered authorization
                                              service.<br>
                                              <br>
                                              Thanks,<br>
                                              George<br>
                                              <br>
                                            </font>
                                            <div>
                                              <div>
                                                <div>On 8/29/12 2:00 PM,
                                                  Nat Sakimura wrote:<br>
                                                </div>
                                                <blockquote type="cite">
                                                  <div>Hey, now I am
                                                    getting the
                                                    support! </div>
                                                  <div><br>
                                                  </div>
                                                  <div>Could one of you
                                                    provide the actual
                                                    text proposal for
                                                    it? <br>
                                                    <br>
                                                    =nat via iPhone</div>
                                                  <div><br>
                                                    On Aug 30, 2012, at
                                                    1:40 AM, Chuck
                                                    Mortimore <<a
                                                      moz-do-not-send="true"
href="mailto:cmortimore@salesforce.com" target="_blank">cmortimore@salesforce.com</a>>
                                                    wrote:<br>
                                                    <br>
                                                  </div>
                                                  <blockquote
                                                    type="cite">
                                                    <div>
                                                      <div>+1 <br>
                                                        <br>
                                                        - cmort</div>
                                                      <div><br>
                                                        On Aug 29, 2012,
                                                        at 9:26 AM, "Pam
                                                        Dingle" <<a
                                                          moz-do-not-send="true"
href="mailto:pdingle@pingidentity.com" target="_blank">pdingle@pingidentity.com</a>>
                                                        wrote:<br>
                                                        <br>
                                                      </div>
                                                      <blockquote
                                                        type="cite">
                                                        <div>+1 from me
                                                          too - need
                                                          this for
                                                          account
                                                          chooser, among
                                                          other things.<br>
                                                          <br>
                                                          <div
                                                          class="gmail_quote">On
                                                          Wed, Aug 29,
                                                          2012 at 8:39
                                                          AM, Richer,
                                                          Justin P. <span
                                                          dir="ltr">
                                                          <<a
                                                          moz-do-not-send="true"
href="mailto:jricher@mitre.org" target="_blank">jricher@mitre.org</a>></span>
                                                          wrote:<br>
                                                          <blockquote
                                                          class="gmail_quote"
                                                          style="margin:0
                                                          0 0
                                                          .8ex;border-left:1px
                                                          #ccc
                                                          solid;padding-left:1ex">
                                                          <div
                                                          style="word-wrap:break-word">+1,
                                                          I've asked for
                                                          this feature
                                                          too.
                                                          <div><br>
                                                          </div>
                                                          <div> --
                                                          Justin</div>
                                                          <div><br>
                                                          <div>
                                                          <div>
                                                          <div>
                                                          <div>On Aug
                                                          29, 2012, at
                                                          11:27 AM,
                                                          George
                                                          Fletcher
                                                          wrote:</div>
                                                          <br>
                                                          </div>
                                                          </div>
                                                          <blockquote
                                                          type="cite">
                                                          <div>
                                                          <div>
                                                          <div
                                                          bgcolor="#FFFFFF"
                                                          text="#000000"><font
                                                          face="Helvetica,
                                                          Arial,
                                                          sans-serif">Hi,<br>
                                                          <br>
                                                          We've run into
                                                          a case where
                                                          it would be
                                                          nice to be
                                                          able to pass
                                                          into the
                                                          /authorize
                                                          endpoint a
                                                          value to
                                                          pre-fill the
                                                          loginid field
                                                          on the
                                                          authentication
                                                          UI. We allow
                                                          for an
                                                          id_token to be
                                                          passed as a
                                                          hint of the
                                                          desired user,
                                                          but this only
                                                          works for an
                                                          "already
                                                          authenticated"
                                                          use case.<br>
                                                          <br>
                                                          If we consider
                                                          the Account
                                                          Chooser case
                                                          where what is
                                                          stored is the
                                                          user's email
                                                          address, it
                                                          would be nice
                                                          to be able to
                                                          start the
                                                          identity
                                                          federation
                                                          flow passing
                                                          that email
                                                          address along
                                                          to the IdP.
                                                          <br>
                                                          <br>
                                                          Did I just
                                                          miss support
                                                          for this in
                                                          the specs?<br>
                                                          <br>
                                                          Thanks,<br>
                                                          George<br>
                                                          </font>
                                                          <pre cols="72">-- 
Chief Architect                   AIM:  gffletch
Identity Services Engineering     Work: <a moz-do-not-send="true" href="mailto:george.fletcher@teamaol.com" target="_blank">george.fletcher@teamaol.com</a>
AOL Inc.                          Home: <a moz-do-not-send="true" href="mailto:gffletch@aol.com" target="_blank">gffletch@aol.com</a>
Mobile: <a moz-do-not-send="true" href="tel:%2B1-703-462-3494" value="+17034623494" target="_blank">+1-703-462-3494</a>           Blog: <a moz-do-not-send="true" href="http://practicalid.blogspot.com/" target="_blank">http://practicalid.blogspot.com</a>
Office: <a moz-do-not-send="true" href="tel:%2B1-703-265-2544" value="+17032652544" target="_blank">+1-703-265-2544</a>           Twitter: <a moz-do-not-send="true" href="http://twitter.com/gffletch" target="_blank">http://twitter.com/gffletch</a>
</pre>
                                                          </div>
                                                          </div>
                                                          </div>
_______________________________________________<br>
                                                          Openid-specs-ab
                                                          mailing list<br>
                                                          <a
                                                          moz-do-not-send="true"
href="mailto:Openid-specs-ab@lists.openid.net" target="_blank">Openid-specs-ab@lists.openid.net</a><br>
                                                          <a
                                                          moz-do-not-send="true"
href="http://lists.openid.net/mailman/listinfo/openid-specs-ab"
                                                          target="_blank">http://lists.openid.net/mailman/listinfo/openid-specs-ab</a><br>
                                                          </blockquote>
                                                          </div>
                                                          <br>
                                                          </div>
                                                          </div>
                                                          <br>
_______________________________________________<br>
                                                          Openid-specs-ab
                                                          mailing list<br>
                                                          <a
                                                          moz-do-not-send="true"
href="mailto:Openid-specs-ab@lists.openid.net" target="_blank">Openid-specs-ab@lists.openid.net</a><br>
                                                          <a
                                                          moz-do-not-send="true"
href="http://lists.openid.net/mailman/listinfo/openid-specs-ab"
                                                          target="_blank">http://lists.openid.net/mailman/listinfo/openid-specs-ab</a><br>
                                                          <br>
                                                          </blockquote>
                                                          </div>
                                                          <br>
                                                          <br
                                                          clear="all">
                                                          <div><br>
                                                          </div>
                                                          -- <br>
                                                          <span><font
                                                          style="color:rgb(52,54,52);font-size:12px"
                                                          face="Tahoma"
color="#343634"><strong><span>Pamela Dingle</span></strong>  |  <span>Sr.
                                                          Technical
                                                          Architect</span></font><br>
                                                          <font
                                                          style="font-size:11px"
                                                          face="Arial"><font
                                                          face="Tahoma"
color="#343634"><strong>Ping</strong></font><font face="Tahoma"
                                                          color="#E71939"><strong>Identity</strong></font>  |  
                                                          <a
                                                          moz-do-not-send="true"
href="http://www.pingidentity.com/" target="_blank">www.pingidentity.com</a><br>
                                                          - - - - - - -
                                                          - - - - - - -
                                                          - - - - - - -
                                                          - - - - - - -
                                                          - - - - - - -
                                                          - - - - -<br>
                                                          <font
                                                          color="#005568"><strong>O:</strong></font> <font
color="#343634"><span><a moz-do-not-send="true" href="tel:303-999-5890"
value="+13039995890" target="_blank">303-999-5890</a></span></font>   <font
color="#005568"><strong>M:</strong></font> <font color="#343634"><span><a
moz-do-not-send="true" href="tel:303-999-5890" value="+13039995890"
                                                          target="_blank">303-999-5890</a></span></font><br>
                                                          <font
                                                          color="#005568"><strong>Email:</strong></font> <span><a
moz-do-not-send="true" href="mailto:pdingle@pingidentity.com"
                                                          target="_blank">pdingle@pingidentity.com</a></span><br>
                                                          - - - - - - -
                                                          - - - - - - -
                                                          - - - - - - -
                                                          - - - - - - -
                                                          - - - - - - -
                                                          - - - - -<br>
                                                          <table
                                                          cellpadding="0"
cellspacing="0">
                                                          <tbody>
                                                          <tr
                                                          valign="top">
                                                          <td
                                                          nowrap="nowrap">
                                                          <div
                                                          style="float:left"><font
style="font-size:11px" face="Arial"><font color="#005568"><strong>Connect
                                                          with Ping</strong></font><br>
                                                          <font
                                                          color="#000000">Twitter:
                                                          @pingidentity</font><br>
                                                          <font
                                                          color="#000000">LinkedIn
                                                          Group: Ping's
                                                          Identity Cloud</font>  
                                                           <br>
                                                          <font
                                                          color="#000000"><a
moz-do-not-send="true" href="http://Facebook.com/pingidentitypage"
                                                          target="_blank">Facebook.com/pingidentitypage</a></font></font></div>
                                                          </td>
                                                          <td
                                                          nowrap="nowrap">
                                                          <div
                                                          style="margin-left:20px"><font
style="font-size:11px" face="Arial"><font color="#005568"><strong><span>Connect
                                                          with me</span></strong></font><br>
                                                          <font
                                                          color="#000000"><span>Twitter:
@pamelarosiedee</span></font><br>
                                                          <font
                                                          color="#000000"><span></span></font></font></div>
                                                          </td>
                                                          </tr>
                                                          </tbody>
                                                          </table>
                                                          </font></span><br>
                                                        </div>
                                                      </blockquote>
                                                      <blockquote
                                                        type="cite">
                                                        <div><span>_______________________________________________</span><br>
                                                          <span>Openid-specs-ab
                                                          mailing list</span><br>
                                                          <span><a
                                                          moz-do-not-send="true"
href="mailto:Openid-specs-ab@lists.openid.net" target="_blank">Openid-specs-ab@lists.openid.net</a></span><br>
                                                          <span><a
                                                          moz-do-not-send="true"
href="http://lists.openid.net/mailman/listinfo/openid-specs-ab"
                                                          target="_blank">http://lists.openid.net/mailman/listinfo/openid-specs-ab</a></span><br>
                                                        </div>
                                                      </blockquote>
                                                    </div>
                                                  </blockquote>
                                                  <blockquote
                                                    type="cite">
                                                    <div><span>_______________________________________________</span><br>
                                                      <span>Openid-specs-ab
                                                        mailing list</span><br>
                                                      <span><a
                                                          moz-do-not-send="true"
href="mailto:Openid-specs-ab@lists.openid.net" target="_blank">Openid-specs-ab@lists.openid.net</a></span><br>
                                                      <span><a
                                                          moz-do-not-send="true"
href="http://lists.openid.net/mailman/listinfo/openid-specs-ab"
                                                          target="_blank">http://lists.openid.net/mailman/listinfo/openid-specs-ab</a></span><br>
                                                    </div>
                                                  </blockquote>
                                                  <br>
                                                  <fieldset></fieldset>
                                                  <br>
                                                  <pre>_______________________________________________
Openid-specs-ab mailing list
<a moz-do-not-send="true" href="mailto:Openid-specs-ab@lists.openid.net" target="_blank">Openid-specs-ab@lists.openid.net</a>
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</pre>
                                                </blockquote>
                                                <br>
                                              </div>
                                            </div>
                                          </div>
                                          <br>
_______________________________________________<br>
                                          Openid-specs-ab mailing list<br>
                                          <a moz-do-not-send="true"
                                            href="mailto:Openid-specs-ab@lists.openid.net"
                                            target="_blank">Openid-specs-ab@lists.openid.net</a><br>
                                          <a moz-do-not-send="true"
                                            href="http://lists.openid.net/mailman/listinfo/openid-specs-ab"
                                            target="_blank">http://lists.openid.net/mailman/listinfo/openid-specs-ab</a><br>
                                          <br>
                                        </blockquote>
                                      </div>
                                      <br>
                                      <br clear="all">
                                      <div><br>
                                      </div>
                                      -- <br>
                                      ====================<br>
                                      Ryo Ito<br>
                                      Email : <a moz-do-not-send="true"
                                        href="mailto:ritou.06@gmail.com"
                                        target="_blank">ritou.06@gmail.com</a><br>
                                      ====================<br>
                                      <br>
                                      <fieldset></fieldset>
                                      <br>
                                      <pre>_______________________________________________
Openid-specs-ab mailing list
<a moz-do-not-send="true" href="mailto:Openid-specs-ab@lists.openid.net" target="_blank">Openid-specs-ab@lists.openid.net</a>
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</pre>
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                          --Breno<br>
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        --Breno<br>
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