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                              <td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin: 10px 0 0; margin-top: 0">More generally I’ve tried reading the spec but I don’t see specific restrictions on the UserInfo endpoint regarding thse three claims.<br> I understand that these are used and reserved in other contexts and it’s generally wise to lock down reserved keywords usage more widely but given the fact that the IDé is usually managed by people who should “know what they are doing” a flag to allow them pass-thru so that deployers might decide their own generation strategy.</p> <p style="margin: 10px 0 0">If you instead prefer to provide IDP-centric generation I propose the following semanthincs:</p> 
                              <ul> 
                              <li>iat: instant</li> 
                              <li>exp: =iat+duration (a configurable parameter)</li> 
                              <li>nbf: =iat-grace_duration (a configurable parameter)</li> 
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