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<p class="MsoPlainText">I an email to GSMA I suggested to discuss whether it is worthwhile reversing the direction of binding_message.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">The reasoning is:<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">I think that the OP knows better what the AD can display.
<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">After receiving the CIBA request the OP determines the channel and AD capabilities (like USSD and SIM Toolkit) and sends the binding_message to the AD and the RP in the CIBA Authentication Request Response.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">The same suggestion was raised by Arne during a GSMA CPAS call this morning.<o:p></o:p></p>
<p class="MsoPlainText"><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">Here some use case describing this<o:p></o:p></p>
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<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Polish policeman (PP) wants to check driver’s license which the driver has not present<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>PP logs into government website (RP) and enters drivers mobile number<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>RP sends CIBA to OP which sends request to AD binding_message=”PP Szydło wants to check your driver’s license”<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:36.0pt">OP sends binding_message to RP which is shown to PP too.<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>User sees message “PP Szydło wants to check your driver’s license”, checks Name PP’s device and consents
<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>OP notifies RP of consent<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>RP retrieves driver’s picture and validity data of licence from its DB<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo6">
<![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>RP sends data to PP who compares the picture and now knows the validity of the driver’s license without giving away too much data<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
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