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You misunderstand this problem. Doing group chat where you do a massive rekeying of all participants every time someone joins doesn’t scale, but it is secure. S
by josh2600 7y ago
You misunderstand this problem. Doing group chat where you do a massive rekeying of all participants every time someone joins doesn’t scale, but it is secure. Signal doesn’t practically support large groups like Telegram does (although telegram is unencrypted as a result).
I can assure you that large secure groups with strong cryptographic guarantees and evolving membership lists is unsolved.
- 6gvONxR4sf7o 7y agoNah, you misunderstand the complaint. The UX is annoying if you just want to message your friends Alice and Bob. On other platforms it's trivial. On those, you type alice into the new message bar, click her contact, type bob into the address bar, click his contact, then write your message and hit send. On signal, you have to create a new group first. I'm not talking about wanting to make the kinds of groups with dynamic membership like you're talking about.