Minutes interim-2020-mls-05: Wed 14:00
minutes-interim-2020-mls-05-202002191400-00
| Meeting Minutes | Messaging Layer Security (mls) WG | |
|---|---|---|
| Title | Minutes interim-2020-mls-05: Wed 14:00 | |
| State | Active | |
| Other versions | plain text | |
| Last updated | 2020-03-04 |
minutes-interim-2020-mls-05-202002191400-00
Attendees: Brendan McMillian, Britta Hale, Konrad Kohbrok, Raphael Roberts,
Richard Barnes, and Sean Turner
# Issues / PRs
* When to publish a new version?
* Agreement to publish once we merge current issues, less PRs #274, #275,
#219
* PRs #304, #296, #283
* Sean to send a message to the list soliciting comment
* Pending comments, goal to merge next week
* #283
* Concern on the list about [committing authenticated encryption
algorithm](https://mailarchive.ietf.org/arch/msg/mls/TyIsZsa8Fa38EzlmSdFTndeRHTE/)
* There are some countermeasures available:
* Signatures
* Derived vs. generated keys
* Sender data encryption
* Agreement on key schedule and inclusion of key indicators in AAD
* Could this be “field graded” if we find an issue later?
* Generally folks feel OK without committing scheme
* How does this work in a federated environment?
* Agreement that all members have to support a new scheme in any case
* Raphael: Client upgrade cycle is different from server upgrade cycle
* Fundamental issue is asymmetry between generating and accepting
signatures * Concern about, e.g., country mandating use of an
export-grade cipher
* With individual algorithms, could have some use, some not
* Messages could be forged by those using weak algorithms, but not
those using strong
# AOB
* None.