Comment by tptacek

1 day ago

Signal very definitely does multiparty end-to-end secure messaging.

Weird, every time I mention Signal on HN tptacek responds.

But I'm having trouble discerning what you mean.

Either you're saying group chats are encrypted E2EE - which, I never claimed.

Or, you're mentioning that you can have multiple phones/devices on the same account, which doesn't work the last time I checked.

  • You replied to a claim that Telegram doesn't do E2EE for groups saying 'Neither does Whatsapp/Signal'.

    That's wrong as `tptacek noted. If you meant something else, that wasn't clear.

    • > E) (I believe) don't enable E2EE with more than one device

      my response was:

      > E) Neither does Signal/Whatsapp.

      The thread of the "E" topic is relevant here, i'm not claiming that Signal/Whatsapp support (or do not support) encryption for group chats.

      Sorry that it wasn't clear, I thought referring to them directly by letter would make it easier to differentiate.

  • It does work. How do you think Signal desktop works?

    • I thought it worked the same as Whatsapp, whereby there's a sort of backdoor connection to the app running on your phone to send messages.

      However, after doing a smidge more research it seems like somehow Signal is sharing it's key with the desktop app and only syncing history of messages directly: https://news.ycombinator.com/item?id=15596980

      I'm not 100% sure how it works as the server is fake-open-source and not actual open-source.

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