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<p class="MsoPlainText">Hi Nicolas, hi Charles,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">I reviewed the UQ draft and here are my first remarks:<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l1 level1 lfo6">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Please consider whether the word “FORBIDDEN” can be replaced by “MUST NOT”<br>
e.g. in 4.1.1 I suggest to reverse the order and rephrase to avoid FORBIDDEN:<br>
“MANDATORY if the Access Token is not tied with an End-User. MUST NOT be present if the Access Token is tied with an End-User,”<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Regarding 4.1.1 User Questioning Request<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l5 level1 lfo5">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>“AUTHORIZATION” the paragraph seems to exclude the possibility to use client_id/client_secret and BASIC auth, right? Or does use of client_id/client_secret constitute the case “not tied to the user” while an access token constitutes
the case “tied to the user”?<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l5 level1 lfo5">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>user_id “tied to the user” should be explained. I suggest adding text to the paragraph about “AUTHORIZATION” and the access token.<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l5 level1 lfo5">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>user_id versus sub<br>
Why not use sub always instead of user_id? “sub” has the advantage that it is not widely known because it was assigned by the OP to the user for this Client. “sub” is never reassigned while a user_id might not be eternally assigned to the user. Yes, User_id_type
can be sub but sub is harder to misuse by a rogue Client.<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l5 level1 lfo5">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>4.1.2.2 says “user_id as a reachability means”: Should the OP be free to decide how to contact the user on which device? Or does the Client decide on that by requesting a certain channel/device to be used?<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l5 level1 lfo5">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>I suggest to add “sub” as MANDATORY to the UQ request.<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l5 level1 lfo5">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>“wished_acr” Why not use “acr_values” from OpenID.Core?<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l5 level1 lfo5">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>“wished_amr” like acr_values?: amr_values?<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l5 level1 lfo5">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>“wished_*” is the order of the values important? There is no text regarding the order.<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l5 level1 lfo5">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]><o:p> </o:p></p>
<p class="MsoPlainText">Regarding 4.1.2.2 Processing user_id<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l4 level1 lfo8">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>I would not conflate user_id as sub and user_id as reachability means!<o:p></o:p></p>
<pre style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l4 level1 lfo8"><![if !supportLists]><span style="font-family:"Calibri","sans-serif""><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]>Wondering about the wording here:<br>“If the user_id is present in both the User Questioning Request and the Access Token, an error is raised.”<br>If the access token is “SlAV32hkKG” does this cover the “present in” wording?<br>How about: “If the user_id is present but the Access Token is bound to a user then the user_id and the sub associated with the Access Token MUST be identical”. (Not replacing user_id by sub in this for now. I think the parameter “user_id” should be replaced by “sub” and a reachability parameter)<br><br><o:p></o:p></pre>
<p class="MsoPlainText">Regarding 4.1.3 Successful Response<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l4 level1 lfo8">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>I am not sure whether transporting the polling URL in the Location header.<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l4 level1 lfo8">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>I am not sure whether the polling location should be dynamic.<br>
Being dynamic has advantages because it can be dynamic based on client and/or question and/or server load etc…<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l4 level1 lfo8">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Being dynamic has the disadvantage that the Client has to decide at polling time whether some policy might forbid it to talk to the polling endpoint.<o:p></o:p></p>
<pre>The example does not contain a JSON structure! Should this read like this:<br>HTTP/1.1 200 OK<o:p></o:p></pre>
<p class="MsoNormal"><a name="draft-user-questioning-api.xml-750"></a><span style="font-size:10.0pt;font-family:"Courier New"">{ “Location”: “<a href="https://server.example.com/questions_polling/984dcc7d3d4d4b0f9f8022e344f9">https://server.example.com/questions_polling/984dcc7d3d4d4b0f9f8022e344f9</a>”,<o:p></o:p></span></p>
<p class="MsoNormal"><a name="draft-user-questioning-api.xml-751"></a><span style="font-size:10.0pt;font-family:"Courier New""> “Question_id”: “984dcc7d3d4d4b0f9f8022e344f9”<br>
}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoPlainText">Regarding 4.1.4 Error Response:<o:p></o:p></p>
<p class="MsoPlainText">Why is this different to OAuth2 Section 5.2 Error Response?<o:p></o:p></p>
<p class="MsoPlainText"><a href="https://tools.ietf.org/html/rfc6749#page-45">https://tools.ietf.org/html/rfc6749#page-45</a><o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Regarding 4.3.2 Error Response<o:p></o:p></p>
<p class="MsoPlainText">Like 4.1.4 make this look more like OAuth2 Section 5.2 Error Response?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Regarding 6.1 Implementation of questioning methods<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l4 level1 lfo8">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Change headline to headline style (Capitalized Words)<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:114.0pt;text-indent:-42.0pt;mso-list:l4 level1 lfo8">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Add supported AMR and ACR etc to discovery.<br>
“To prevent these errors, it can inform the Clients of its limitation and limit the possible questions or statements.”<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Have to go now – So stopped reviewing for now before section 7 Security Considerations.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Cheers<o:p></o:p></p>
<p class="MsoPlainText">Axel<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">From: Openid-specs-mobile-profile [mailto:openid-specs-mobile-profile-bounces@lists.openid.net] On Behalf Of philippe.clement@orange.com<o:p></o:p></p>
<p class="MsoPlainText">Sent: Wednesday, November 16, 2016 6:07 PM<o:p></o:p></p>
<p class="MsoPlainText">To: Lodderstedt, Torsten; openid-specs-mobile-profile@lists.openid.net<o:p></o:p></p>
<p class="MsoPlainText">Subject: [Openid-specs-mobile-profile] minutes of MODRNA WG Call Nov 16th 2016<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Please find below the preliminary notes of the call. <o:p>
</o:p></p>
<p class="MsoPlainText">Should you detect any error or misunderstanding, please let me know.<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">Participants : John, Axel, Bjorn, Charles, Torsten, Joerg<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">Agenda :<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">• Review UQ specs<o:p></o:p></p>
<p class="MsoPlainText">• Review SIBA specs<o:p></o:p></p>
<p class="MsoPlainText">• Next workshop<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">Discussion :<o:p></o:p></p>
<p class="MsoPlainText">User Questionning<o:p></o:p></p>
<p class="MsoPlainText">A new draft has been released by Orange, following questions/remarks from Torsten<o:p></o:p></p>
<p class="MsoPlainText">Axel and Bjorn volunteer to review the UQ draft specs. <o:p>
</o:p></p>
<p class="MsoPlainText">Torsten to send a reminder to the list for reviewing, before entering the implementers draft process.<o:p></o:p></p>
<p class="MsoPlainText">A proposal is made for OIF to present a status update of UQ work at the next PET GSMA meeting (end of November). Orange will help to draft this presentation. PET chairman to be contacted for insertion into the agenda.
<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">SIBA<o:p></o:p></p>
<p class="MsoPlainText">Questions about the context parameter that shows up in the specs. Discussions in Paris had only stated a use for the binding message to interlock devices. Recommendation from the call is to remove this parameter.
<o:p></o:p></p>
<p class="MsoPlainText">Charles volunteers to post comments on SIBA specs, other comments are awaited from the list.<o:p></o:p></p>
<p class="MsoPlainText">Mentionning the Use Cases in SIBA specs is requested to understand some choices in the specs, and will avoid any duplication with User Questionning.<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">Idea of merging some parts of SIBA and UQ are set on the table, but draft specs should be more mature.<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">Next workshop<o:p></o:p></p>
<p class="MsoPlainText">For information, John should be in London January 18 and 19th, to take into consideration.<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">AOB: push style<o:p></o:p></p>
<p class="MsoPlainText">Discussion occurs on OAuth list regarding push style for the device flow.<o:p></o:p></p>
<p class="MsoPlainText">Some arguments are presented to balance push vs pull approach, for UQ.<o:p></o:p></p>
<p class="MsoPlainText">• Complexity for the RP to implement 2 solutions<o:p></o:p></p>
<p class="MsoPlainText">• Resource optimization from an OP side<o:p></o:p></p>
<p class="MsoPlainText">• Number of requests per second<o:p></o:p></p>
<p class="MsoPlainText">• Delay for the user to answer the question (seconds, minutes ?)<o:p></o:p></p>
<p class="MsoPlainText">Discussion to be continued on the list through the specs<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
<p class="MsoPlainText">Best regards,<o:p></o:p></p>
<p class="MsoPlainText">Philippe<o:p></o:p></p>
<p class="MsoPlainText"> <o:p></o:p></p>
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