this post was submitted on 02 Sep 2024
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I don’t want to see PGP rejection based on usability. So, to level the field at user level we take Delta Chat, which uses PGP. If I understand that correctly.

I have no knowledge of telegram security at all.

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[–] [email protected] 26 points 2 months ago* (last edited 2 months ago) (12 children)

Beyond the fact that security on Telegram is a joke (E2EE not enabled by default, only available in 1-to-1 chats, groups chats are all unencrypted, homespun encryption algo), they have never had a full, independent audit of their encryption standard.

It looks like there are a handful of papers that looked at parts of the earlier standard Telegram used (MTProto 1), but nothing on the current version (MTProto 2).

https://courses.csail.mit.edu/6.857/2017/project/19.pdf

https://eprint.iacr.org/2015/1177.pdf

https://eprint.iacr.org/2015/1177.pdf

Anyway, long story short, Delta Chat has had independent audits several times. I'd say that says it all, really.

https://delta.chat/en/help#security-audits

(Also, thanks for introducing me to Delta Chat, was unaware of the project up to now. Neat stuff.)

[–] TCB13 -1 points 2 months ago (6 children)

While I don't disagree with you, I don't believe that if MTProto 2 was breakable govts would be putting the shit show they're putting right now.

[–] [email protected] 1 points 2 months ago

while true, that doesn't mean that it isn't compromised but not hackable yet, or that a weakness won't be found in the future. I would heed the advice of those in the field of cryptography and stay away from Telegram and MProto

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