COSE Virtual Interim
====================

## Connection details

* Date: December 16, 2020
* Time: 08-09 Pacific, 17:00 CET:
  https://www.worldtimebuddy.com/?qm=1&lid=8,12,100&h=8&date=2020-12-16&sln=8-9&hf=0
* Recording link:
  https://www.youtube.com/watch?v=TB0rrz6GoBU
* Slides link:
  https://docs.google.com/presentation/d/1LnbawVaZGBPn4ubtLqYuFa9aN_Wdw-CUIHliHhf0lpI

# Attendees

* Ivaylo Petrov
* Matthew Miller
* Francesca Palombini
* Peter Yee
* Göran Selander
* John Preuß Mattsson
* Jonathan Hammell
* Laurence Lundblade
* Carsten Bormann
* Joel Höglund
* Marco Tiloca
* Russ Housley (minutes taker)
* Ben Kaduk
* Michael Richardson

# Action Items

* [Ivaylo]: Add pointer to GitHub examples to the x509 draft.
* [Ivaylo]: x509 COSE_Countersignature and CBOR Certificates question from reviews to be posted on the ML
* [Chairs]: Start WG Last Call on draft-ietf-cose-countersign.
* [Göran Selander] to make PR for re-charter edits.
* [MKR]: DevID certificate example (discussed also DTLS) - expected mid January
* [Chairs]: Conditional on recharter, make call for adoption now for draft-mattsson-cose-cbor-cert-compress

# Minutes

## 1. Administrivia (Chairs)
  - Note Well
  - Blue sheets (in the minutes)
  - Minutes: https://codimd.ietf.org/notes-ietf-interim-2020-cose-02-cose?both
  - Jabber: cose@jabber.ietf.org
  - Agenda Bartering

## 2. Update on drafts status and charter (Chairs)
  - hash-algs
    + Making slow progress.
  - rfc8152bis-algs
  - rfc8152bis-struct
  - x509 
    + Making it standard track document
    + From Ben's review: Should we do anything about COSE_Countersignature?  Will raise on mail list.
    + From Ben's review: x5u should be in protected headers.  To align with JWS, is guidance needed about placing x5bag, x5chain, x5t in protected vs. unprotected headers? Will raise on mail list.
    + Adding a normative reference to RFC 8152.
    + Anything about CBOR Certificates?  Will raise on mail list.
    + Jonathan added some examples to the GitHub repo. Ivaylo will review and may add pointer to Examples repo back to the I-D.

  - Countersign
    + Added more examples.  Thanks Jonathan.
    + Jonathan added these examples as well as additional ones to the GitHub repo.
    + Please verify the examples.
    + Ready for WG Last Call.
  - rechartering
    + Göran Selander will make PR for edits.

## 3. CBOR Certificates (John Mattsson)
  - draft-mattsson-cose-cbor-cert-compress-05
  - Reviewed changes from -03 to -05.
    + Carsten: s/positive/unsigned/
  - Plans for -06
    + Add pointers to other profiles.
    + DevID certificate example.
    + Change compression algorithm.
    + Change approach to a large table, making it very clear how parameters are handled.
    + At a cost of 2 or 3 bytes, the use of .cborseq will allow access to subparts. Will open a GitHub issue.
  - Conditional on recharter, make call for adoption now

## 4. AOB