[Openid-specs-ab] SIOP Special Topic Call Notes 25-Aug-22

[Mike Jones]

SIOP Special Topic Call Notes 25-Aug-22

Kristina Yasuda
Mike Jones
Andrew Hughes
Brian Campbell
Petteri Stenius
David Chadwick
David Waite (DW)
Oliver Terbu
Kenichi Nakamura
Jo Vercammen
Jeremie Miller

Pull Requests
              https://bitbucket.org/openid/connect/pull-requests/
              PR #286: feat: [Federation] trust_chain parameter in Authorization Request
                           Merged
                           Related to issue #1594: [Federation] trust chain in authz request
                                         David Chadwick's comment to be discussed by the Federation editors
              PR #289: Described differences between Automatic and Explicit Registration
                           To be merged
              PR #257: Issuance example designs
                           Was merged by mistake
                           Kristina will work to resolve outstanding comments
              PR #292: add x5c and jwk to credential_binding_methods_supported (Issue #1609)
                           Kristina will merge this
              PR #291: relaxed the requirement to use openid4vp for presentation during issuance (Issue #1599)
                           We discussed what language to use
                           We will continue to discuss
              PR #285: Adding batch credential endpoint: fixes #1544
                           Oliver updated the PR
                           Re-reviews are requested
              PR #295: OpenID4VCI editorial
                           Addresses many of Nat's editorial comments
                           Kristina plans to merge it to avoid future merge conflicts
              PR #293: Separated binding method from attestations (Issue #1585)
                           Ready to re-review
              PR #243: Ordering claims in OP Metadata (Issue #1593)
                           David is asking what the preferred way is
                           Related to issue #1593: [has-PR] Ordering claims in OP Metadata
                           Mike and Jeremie are in favor of the third option - a parameter that is an array
              PR #241: Add schema to OP Metadata (Issue #1578)
                           David said that there isn't a one-to-one mapping between credential types and schemas
                           He said that knowing the presentation schema may be even more useful than knowing the credential schema
                           Me made a distinction between verification and validation
                           Kristina asked if we want to publish schemas for issued credentials
                           Mike asked if we have even decided what schema language to use, should we want to do so
                           David Chadwick said that the VC WG has a schema type parameter to declare what schema language you're using
                           Related to issue #1578: Add schema to OP Metadata
                           David Chadwick said that the VC WG believes that dynamically loading schema is a bad idea
                           David agreed to update the PR with learnings from the discussion
                           Kristina isn't sure why the wallet would need to know the schema before issuance
              PR #240: Add "type" to OP Metadata (Issue #1566)
                           David Chadwick said that this addresses issues #1566, #1628, and #1592
                           Oliver said that there are several different things that we are calling types
                           David talked about local names versus global names
                           David said that the VC WG takes the position that a credential should be independent of the proof attached to it
                           Kristina distinguished between credential types and credential formats
                                         The credential type is an abstract identifier, whereas the credential format identifies a data structure
                           Oliver doesn't see a normative definition of credential_type
                           David Chadwick would prefer that we use statements like "credential_type":"University Degree"
                           David gave the example have having University Degree credentials for degrees in Chemistry and Philosophy

Issues
              https://bitbucket.org/openid/connect/issues?status=new&status=open
              We ran out of time to discuss issues

Next Call
              The next call will be Monday, September 5, 2022 at 4pm Pacific Time
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