this post was submitted on 29 Aug 2024
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[–] KairuByte@lemmy.dbzer0.com 6 points 2 months ago* (last edited 2 months ago) (10 children)

To be clear, it’s encrypted*.

* If you enable it

[–] uzay@infosec.pub 9 points 2 months ago (4 children)

There is no point in encrypting a public group chat since anyone can join and decrypt it anyway.

[–] sugar_in_your_tea@sh.itjust.works 1 points 2 months ago (2 children)

It works well in Matrix, and you can restrict who joins on that platform.

[–] uzay@infosec.pub 1 points 2 months ago (1 children)

If you restrict it, then it isn't public. I'm not saying that encrypted group chats are useless. But if it is public and anyone can join anyway, then encryption adds no secrecy.

Right, I'm just saying that other platforms give you the option of E2EE group chats, which makes sense if you know your group will remain fixed to a certain size. For truly public groups, yeah, encryption just adds a lot of processing overhead without much benefit.

I, personally, would prefer a platform that gives me the option rather than doesn't.

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