Subject: [EAT] Charter Questions

From: Hannes Tschofenig <[email-masked]>
Date: Fri, 19 Oct 2018 18:22:11 +0000

Hi all,

I just re-read the charter text at https://github.com/ietf-rats/charter/blob/RC2/ietf-rats-charter.md  and was wondering about these two items:

> 4. Information elements for use in evidence-based attestation; serialization in CBOR and JSON; including YANG-based modules
> 5. CWT claim definitions for use in pass-based attestation tokens (e.g. EAT) to enable Attester and Verifier duties

What is meant by "pass-based"  attestation? What is the difference to evidence-based attestation?

How is item 4 and 5 different given that claims are also information elements? A CWT is a CBOR serialization format (with a JSON mapping in form of the JWT).

Ciao
Hannes

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