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Cuneiform script on clay tablet, ca. 3000 BCE. Image from Wikimedia Commons.
https://commons.wikimedia.org/wiki/File:Early_writing_tablet_recording_the_allocation_of_beer.jpg
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https://killedbygoogle.com/
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iMessage
Signal
WhatsApp
End-to-end encryption for billions of users
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Research
• End-to-end encryption: M. Weidner, M. Kleppmann, D.
Hugenroth, A.R. Beresford. Key Agreement for Decentralized
Secure Group Messaging with Strong Security Guarantees. ACM
CCS, Nov 2021. doi:10.1145/3460120.3484542
• Cryptographic integrity: M. Kleppmann, H. Howard. Byzantine
Eventual Consistency and the Fundamental Limits of Peer-to-Peer
Databases. Preprint arXiv:2012.00472, Dec 2020.
• Metadata privacy: D. Hugenroth, M. Kleppmann, A.R. Beresford.
Rollercoaster: An Efficient Group-Multicast Scheme for Mix
Networks. USENIX Security, Aug 2021.
• Formal verification: V.B.F. Gomes, M. Kleppmann, D.P. Mulligan,
A.R. Beresford. Verifying Strong Eventual Consistency in
Distributed Systems. PACMPL 1(OOPSLA), Oct 2017.
doi:10.1145/3133933
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Resources
Automerge https://github.com/automerge/automerge
Local-first https://www.inkandswitch.com/local-first.html
CRDTs https://crdt.tech/
Email [email protected]
Twitter @martinkl
Support me https://www.patreon.com/martinkl
Huge thanks to the Automerge community and contributors,
especially Peter van Hardenberg, Orion Henry, Alex Good, Andrew
Jeffery, Herb Caudill, and many others!