DMLS, MIMI, etc
summary
European Digital Markets Act forces gatekeepers like WhatsApp and Messenger to open APIs while preserving end-to-end encryption, so bridges must proxy crypto rather than decrypt. Matrix proposes a smaller Linearized Matrix variant that is implemented in 24 hours and a decentralized MLS variant (DMLS) to avoid a single hub; MLS itself is now RFC 9420 and gives device-level cryptographic group membership but requires strict sequencing for commits and a re-init mechanism to heal partitioned rooms.
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chapters (11)
- 0:00Introduction and speaker
- 1:05Digital Markets Act overview
- 3:54Linearized Matrix and MIMI
- 6:03Messaging Layer Security
- 9:34Interoperability challenges
- 13:03MIMI room model
- 15:31MLS off-the-shelf limitations
- 17:58Linearized Matrix details
- 20:45Cryptographic room membership
- 22:32MLS and Matrix integration
- 25:03Q&A
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