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@panva panva commented Jul 12, 2025

Additional to #131 this updates the error section a bit more since it is referenced from later Token and PAR endpoint sections and linking to RFC6750 error handling is just not right then.

Making use_attestation_challenge a MUST use when challenge validations fail just makes sense and having to have it accompanied by OAuth-Client-Attestation-Challenge as well. I don't mind defining invalid_client_attestation but only as a MAY because on the AS authenticated endpoints the convention is already invalid_client for client authentication failures, for the RS responses it's probably fine.

closes #131

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Approved, but then had a couple of suggestions to add.

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@c2bo c2bo left a comment

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Could you add an entry to the document history? Looks good otherwise imho

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c2bo commented Jul 30, 2025

Supersedes #132

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@paulbastian paulbastian left a comment

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approved., history missing and let's not forget to add Micha to acknowledgments from #132

@paulbastian paulbastian merged commit edd887a into oauth-wg:main Aug 12, 2025
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@panva panva deleted the update-error-responses branch August 12, 2025 06:48
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Dedicated error code for missing client attestation

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