this post was submitted on 16 Dec 2023
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Privacy

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Hi,

I'm looking for an instant messaging ( IM ) ~~apps~~ software/protocol that run on Android and computer

and meet the following requirements :

  • Open source !
  • E2EE
  • Messages are send in direct ! (not passing by a server)
  • handle group
  • Truly private ! ( That's the tricky part )

 

The closest that I've found is Briar

  • +can work without internet ! (bluetooth, local wifi, files !)
  • + use TOR
  • - Mutual party have to exchange key (or your can introduce someone)
  • - sending media suck for now, poor image quality
  • - no call or voice messaging

 

I've been looking for alternatives:

  • ~~Session~~
    • Sadly it keep ALL the conversation into server !!! so it's a no go.
  • speek
    • I didn't try it yet, any feedback ?
  • simplex
    • it look very promising ! (didn't tried it yet)
    • + seem to handle multiple profile in one !
    • + do not require that both party send an invitation !
    • ~~! I didn't found (yet) if the messages are send in direct or pass by a server..~~
      It's not P2P all the messages pass by servers.. too bad.

All post about alternatives or experience with the one that I cited are welcome.

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[–] jet@hackertalks.com 1 points 11 months ago* (last edited 11 months ago)

It was always known, in the threat model.

Though I think everyone assumed Google required a warrant.

Even without Google, Apple's participation and push notifications - signal still has the same capability. Simply because they've created a centralized architecture.