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Is Telegram really an encrypted messaging app? (blog.cryptographyengineering.com)

submitted 3 weeks ago by db0@lemmy.dbzer0.com to c/technology@lemmy.world

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[–] pressanykeynow@lemmy.world 2 points 3 weeks ago (1 children)

I don't see a reason to not have everything E2EE all the time.

You probably didn't ever meet non-IT person(or most of the IT people). To use e2ee means you need to keep your private key close and safe. 99.999% people can't do that. So when they lost their key their conversation history is gone and it's your fault not theirs.

[–] sugar_in_your_tea@sh.itjust.works 4 points 3 weeks ago

Signal does this by having your data be unencrypted at rest on your device, and I think that's a reasonable tradeoff because it protects the most import part: data in transit. Or you can be like Matrix and require/strongly encourage setting up multiple clients so you always have a fallback (e.g. desktop and phone). There are reasonable technical solutions to the problem of making an E2EE chat system.