Asklemmy

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How secure are messages in Lemmy? (self.asklemmy)

submitted 1 year ago by mythic_tartan to c/[email protected]

20 comments fedilink hide all child comments

I just read this post https://lemmy.world/post/1041399 And I wonder if messages here are end to end encrypted, or readable by admins or semi- public like voting? Thanks

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[–] [email protected] 2 points 1 year ago (1 children)

It doesn't go through Lemmy at all, it sends you through Matrix if you chose that option. Just carries in the receiver nothing more. The integration is asking you if you want to send securely when that option is available by both of you having Matrix accounts and told Lemmy about them.

[–] taladar 1 points 1 year ago (1 children)

I see, so it basically generates the Matrix equivalent to a mailto: link?

Sounds like in that case the worst an admin could do is essentially a downgrade or MITM ttack by blocking or modifying the message that tells you about the Matrix address of the other person or the fact that they have Matrix.

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

Yeah, but anytime you use an instance on Lemmy you need to trust those admins. With this being open source its fairly trivial to change it for nefarious purposes while still maintaining the core functionality. Changing links to point to whatever. JavaScript changes to steal the password entered (since so many reuse passwords) etc.

[–] taladar 1 points 1 year ago

Of course, but it is always good to know what they could do in the worst case.