I had a lot of discussions on Twitter today I hope I can move here regarding the development of a standard for next-generation encrypted messaging, particularly of the variety that supports async/disconnected (and thus Smartphone/IoT) use cases. Clearly the Signal protocol seems like a great starting place, although I was talking to some Matrix developers about their Olm and Megolm protocols as well.
As far as I know, there is not presently an IETF WG in this area (I would expect it to be in "sec"): https://datatracker.ietf.org/wg/ If people are interested, the next steps would be confirming actual interest in the form of people willing to actually attend an in-person IETF event, and request a Birds-of-a-Feather (BoF) session at an upcoming event. I expect some will say it's too early to do this, but the IETF moves at something of a glacial pace, and there is already some "rough consensus and running code" in this space, along with what seems like a decent amount of interest. -- Tony Arcieri
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