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Theme fund: NGI0 Entrust
Start: 2022-10
End: 2024-05
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Middleware and identity

CryptPad Blueprints

Server-side encrypted collaborative editor

CryptPad is an end-to-end encrypted collaboration suite that has been under active development for 8 years, and is currently used by hundreds of thousands of people. Its feature set has grown from a simple editor to a full-blown suite with multiple apps, drive, teams, etc. The next generation of CryptPad should be even better - with stronger security guarantees ("perfect forward secrecy", post-quantum crypto), offline-first collaborative editing, and user-driven workflows like password resets. This project will take the first steps in this direction. We document the ways in which cryptography is used on the platform, review the state of the art in applied cryptography and then evaluate the right match with available technologies. Finally we will use these foundations to move forward to a new architecture for CryptPad that will allow for future developments, improved usability, and tighter security.

Run by XWiki SAS

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This project was funded through the NGI0 Entrust Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 101069594.