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<p class="MsoNormal"><span style="font-size:11.0pt">Thanks, Peter for the reply.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I adjusted </span><span style="font-size:11.0pt">AuthnRequestsSigned and WantAssertionsSigned as per your email.</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121">> the metadata for that SP does not contain a key descriptor to verify any signatures with<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Do I get this from OpenAI?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Sunil<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">users <users-bounces@shibboleth.net> on behalf of Peter Schober via users <users@shibboleth.net><br>
<b>Date: </b>Tuesday, June 11, 2024 at 5:51</span><span style="font-family:"Arial",sans-serif;color:black"> </span><span style="color:black">AM<br>
<b>To: </b>users@shibboleth.net <users@shibboleth.net><br>
<b>Cc: </b>Peter Schober <peter.schober@univie.ac.at><br>
<b>Subject: </b>Re: OpenAI SSO integration with Shibboleth IdP<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">Mathew, Sunil via users <users@shibboleth.net> [2024-06-11 01:15 CEST]:<br>
> 2024-06-10 22:52:27,116 - - WARN [net.shibboleth.idp.profile.impl.WebFlowMessageHandlerAdaptor:197] - Profile Action WebFlowMessageHandlerAdaptor: Exception handling message<br>
> org.opensaml.messaging.handler.MessageHandlerException: Validation of request simple signature failed for context issuer<br>
<br>
Seems the authentication request from that SP is signed but ...<br>
<br>
> <EntityDescriptor entityID="urn:auth0:openai:org-UOJCcINQqCsFDYQsuGmdF8OD"<br>
> xmlns="urn:oasis:names:tc:SAML:2.0:metadata"><br>
> <SPSSODescriptor AuthnRequestsSigned="false" WantAssertionsSigned="true" protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol"><br>
> <AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"<br>
> Location=https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fauth0.openai.com%2Flogin%2Fcallback%3Fconnection%3Dorg-UOJCcINQqCsFDYQsuGmdF8OD&data=05%7C02%7Csmathew%40hbs.edu%7C44e08b22021a496f815408dc89fc0d31%7C09fd564ebf4243218f2db8e482f8635c%7C0%7C0%7C638536962855409008%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=aPs2LIMtAJLCvf5mAqWviTElnZlooXWkLgho1DfD%2FJw%3D&reserved=0<br>
> index="1" isDefault="true"/><br>
> </SPSSODescriptor><br>
> </EntityDescriptor><br>
<br>
... the metadata for that SP does not contain a key descriptor to<br>
verify any signatures with.<br>
<br>
I also find it weird that they're signing their requests and still set<br>
AuthnRequestsSigned=false (which would be the default anyway and also<br>
seems incorrect, so why set it?).<br>
But then they also set WantAssertionsSigned=true which (according to<br>
Scott) is usually a sure sign of a buggy implementation (otherwise we<br>
could use signed Responses with the SP, not Assertions).<br>
<br>
But then looking at their SAML SSO documentation (thanks, Sunil. for<br>
providing the link):<br>
<a href="https://help.openai.com/en/articles/8350141-provisioning-sso-and-or-setting-up-domain-verification-for-chatgpt-enterprise">https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhelp.openai.com%2Fen%2Farticles%2F8350141-provisioning-sso-and-or-setting-up-domain-verification-for-chatgpt-enterprise&data=05%7C02%7Csmathew%40hbs.edu%7C44e08b22021a496f815408dc89fc0d31%7C09fd564ebf4243218f2db8e482f8635c%7C0%7C0%7C638536962855421119%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=RdP3Gs5ER%2FhJsPJdzYhSuppxxXdoZcKTySUUyq6rksU%3D&reserved=0</a><br>
that whole process is such an involved mess the above issues are<br>
probably the least of your problems.<br>
<br>
-peter<br>
-- <br>
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