Re: Proposed XMPP Extension: End-to-End Encrypted Contacts Metadata

Thilo Molitor <[email protected]> Tue, 20 Jan 2026 19:45:35 +0100

Newsgroups	gmane.network.jabber.standards-jig
Message-ID	<5905196.670kD7asE2@laptop>

To be honest, I don't understand the "encrypted roster" discussion.
Even if the server does not see the roster at all, it is able to fully infer 
which jids are part of a user's "roster" by just checking the PubSub 
subscriptions and fetches of that user.

Isn't an "encrypted roster" implemented this way just a farce?
Or do I miss something important here?

-tmolitor

Am Dienstag, 20. Januar 2026, 18:58:28 CET schrieb Dan Caseley:
> On Tue, 20 Jan 2026 at 16:26, Stephen Paul Weber <[email protected]>
> wrote:
> > Now if we want to move contacts into pubsub anyway it feels like what we
> > really want is boomarks3: bookmarks2 but with wording that makes it clear
> > that not everything in there is a MUC. This solves all the extended
> > metadata
> > questions that have been coming up over recent years while also making
> > both
> > things possible to encrypt with pubsub encryption methods as desired.
> 
> This sounds like an awesome topic for summit!

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