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swicg / activitypub-e2ee

Coordination of work on end-to-end encryption with ActivityPub
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Bridgeable #12

Open evanp opened 1 month ago

evanp commented 1 month ago

"As an ActivityPub user, I can send encrypted messages through a bridge to Bluesky users, so that we can communicate across protocols."

evanp commented 3 weeks ago

This is a real stretch of a user story. It would be nice to get this kind of interaction, though.

nightpool commented 3 weeks ago

what would this even look like on the bluesky side? Do they support e2ee?

On Fri, Jun 14, 2024 at 8:47 PM Evan Prodromou @.***> wrote:

This is a real stretch of a user story. It would be nice to get this kind of interaction, though.

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evanp commented 3 weeks ago

what would this even look like on the bluesky side? Do they support e2ee?

So, I think the idea is that we'll use an abstract protocol, like MLS or OTR, with ActivityPub as the lower-level protocol. If BlueSky uses the same abstract protocol we do, a bridge could copy and restructure the messages without decrypting them, passing them along to the other side.