README.md

Material for the Hackathon Project Post-quantum Encrypted Client Hello

A blog post about ECH and how it works:

https://blog.cloudflare.com/encrypted-client-hello/

Another one:

https://blog.cloudflare.com/handshake-encryption-endgame-an-ech-update/

A conference paper about the quantum-safe implementation of HPKE (a basic cryptographic operation in ECH):

https://eprint.iacr.org/2022/414.pdf

The RFC that describes TLS Encrypted Client Hello:

https://www.ietf.org/archive/id/draft-ietf-tls-esni-16.html

The TLS 1.3 RFC that may be useful:

https://datatracker.ietf.org/doc/html/rfc8446

and a blog post about it:

https://blog.cloudflare.com/rfc-8446-aka-tls-1-3/

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Finally there is a roadmap that will be followed during the Hackathon available here