Le 17/05/2026 à 04:08, Ashwin Ambekar a écrit :
EPOP defines a single unified token type that carries both the credential (authorization code, access token, or refresh token) and its cryptographic proof of possessio

For what its worth, SD-JWT [1] already has a mechanism for associating a key binding proof of possession to a JWT in a single token:

<Issuer-signed JWT>~<KB-JWT>

Would it make sense, to reuse this syntax in other contexts?

[1] https://datatracker.ietf.org/doc/html/rfc9901

Regards,

Gabriel

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