Privacy

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Privacy minded instant messaging quest. (lemmy.ml)

submitted 11 months ago* (last edited 8 months ago) by Gordon_F@lemmy.ml to c/privacy@lemmy.ml

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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 !
  - and have also a optional long term address
- ~~! 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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[–] skullgiver@popplesburger.hilciferous.nl 2 points 11 months ago (1 children)

If you allow for servers that can't read your messages (Tor nodes and such), "serverless" messaging is quite possible. All the layers of encryption and redirection aren't great for latency, but there's no reason two phones can't be connected over Tor/Veilid.

The problem in practice, I think, is notifications. To receive notifications, you need to be online all the time. To be available on Tor all the time may help deanonimze you so you also need to shake up your connections every now and then, which requires some CPU heavy recalculations and key exchange from the network as connections are reestablished.

[–] LWD@lemm.ee 1 points 11 months ago* (last edited 10 months ago)

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