this post was submitted on 19 Nov 2023
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Android

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[–] [email protected] -5 points 10 months ago (1 children)
[–] [email protected] 7 points 10 months ago (1 children)

Sticking two E2EE tunnels together with a plaintext middleman doesn't result in a single E2EE tunnel.

The reason the distinction is important is because the security profile is vastly different—a compromised server leads to a compromised message—which isn't true for actual E2EE services like a pure Matrix link.

Side note: the first thing you should ask of a "end-to-end encrypted" product to you is "which 'ends' do you mean?" I've seen TLS advertised as E2EE before.

[–] [email protected] 1 points 10 months ago* (last edited 10 months ago)

Adding: TLS is actually a pretty apt analogy here.

You could make a chat server that just accepts plain text messages over a TLS link, and that's basically the same security topology as with this Beeper bridge.

But no one would call that a E2EE chat.