this post was submitted on 02 Sep 2024
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Privacy

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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] 30 points 2 weeks ago* (last edited 2 weeks 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.)

[–] [email protected] 3 points 2 weeks ago (4 children)

Agreed.

No audit...then we don't know.

Have you seen an audit for SwissCows' Teleguard?

I've been testing it for a few days now, after a comment about it here.

They claim to not store your chats, they're deleted after delivery. To sync a new device requires an encrypted backup from an existing device.

I've tested this by restoring a backup from yesterday to sync a new device, and it only has data from yesterday.

That said, I really don't know how trustworthy they are.

[–] [email protected] 1 points 1 week ago (1 children)

They CEO made an direct attack against Signal, spreading misinformation to promote Teleguard. I think that says it all.

[–] [email protected] 0 points 1 week ago* (last edited 1 week ago) (1 children)

Meh. I only read a translated version, so it's hard to tell nuance.

But nothing in there is inaccurate. Maybe overstated.

Personally Signal seems trustworthy, but... I have some ambivalence, given their bullshit reasons for dropping SMS support. They claimed it cost them engineering, which is at best wrong, at worst a flat out lie. Signal has nothing to do with how SMS is managed - it merely hands the message to Android's SMS system. It's trivial. So why would they drop support and use that lie?

When I'm being misled, I start to look at everything else as having a bit more validity.

Plus UI/UX on signal sucks. It's no better than the lamest SMS app. Hell, old SMS apps are better. And no multi-device sync. They claim it can't be done and maintain encryption. Right. Clients just need to use the same encryption key...like Telegram does, and now Teleguard - and they're claiming full e2e at all times.

[–] [email protected] 1 points 1 week ago

But nothing in there is inaccurate. Maybe overstated.

Do your homework.. 🙄

Seriously, fact check before you comment something which is not true. I will reply later wth a longer response when I got time to :)

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