this post was submitted on 10 Feb 2025
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The Signal messenger and protocol.

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Some time ago, I read an article that all messenger apps, by EU directive, would have to build bridge protocols in order to have flow of communication between different networks.

Surfing the web, I read an article from 2016 where the Signal protocol was being integrated into Whatsapp. More recently, I read that Signal and Telegram could communicate.

What is the true status on this? The more I search, the more contradicting information I seem to find.

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[–] mp3@lemmy.ca 4 points 1 week ago

I believe WhatsApp, FB Messenger and Google's RCS are using the same encryption protocol (TextSecure) for key exchange, but the platforms aren't bridged as far as I know.

It will likely require a bit more work for the platforms to be interoperable.