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Especially with things like notifications, even e2e encryption can't generally provide complete privacy because metadata is data too ;)
by phaer 4y ago
Especially with things like notifications, even e2e encryption can't generally provide complete privacy because metadata is data too ;)
- krn 4y agoSignal does it just fine.
- pastage 4y agoYou solve that by forwarding/decrypting/adding noise between servers, enough to cover metadata traffic you generate. The only data you reveal is anyone listening know you might have used it at some point. See https://vuvuzela.io/ https://vuvuzela.io/ I suspect it is named so because it uses a lot of bandwidth.
- phaer 4y agoIt's of course possible to mitigate, but that's somewhat more involved than "just" sprinkling e2e encryption on top ;)