The initial working group draft of the Proof-of-Possession Key Semantics for CBOR Web Tokens (CWTs) specification has been posted. It contains the same normative content as draft-jones-ace-cwt-proof-of-possession-01. The abstract of the specification is:
This specification describes how to declare in a CBOR Web Token (CWT) that the presenter of the CWT possesses a particular proof-of-possession key. Being able to prove possession of a key is also sometimes described as the presenter being a holder-of-key. This specification provides equivalent functionality to “Proof-of-Possession Key Semantics for JSON Web Tokens (JWTs)” (RFC 7800), but using CBOR and CWTs rather than JSON and JWTs.
I look forward to working with my co-authors and the working group to hopefully complete this quickly!
The specification is available at:
An HTML-formatted version is also available at:
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