PG Meeting 28.05.25
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ToDo:

- Add other device from already existing user and look what happens

- Traffic analysis of rekeying (group and single device and adding additional device) 

Marvin: 
    - recompile Signal for more logging

Leander:
    - Looking into the rekeying mechanism exchange from outside

Maurice:
    - Add a second device for the same user to a group


Ideas for backchannels:

- Rekeying on leaving or entering a group ?
- Rekeying on new device of an already participant in the group (active)
- Getting status info (passive)
- Typing... notification as timing backchannel (passive)


Tooling:

- SSLKEYLOGFILE env to decrypt server communication (possible)
- Self compile Signal app and add logging after message decryption

Ideas:

- Is there a RTT in calls before ringing (handshake with RTT ?)