On Tue, Mar 19, 2024 at 12:41 AM Bas Westerbaan <bas= 40cloudflare....@dmarc.ietf.org> wrote:
> Hi Scott, > > I generally agree with David, in particular that the keyshare prediction > draft is the way forward. > Hi, David did not like this idea, but it's also possible to bake this preference into ECH. If your ECHConfig requires a certain keyshare, say X25519+Kyber, then you can enforce this choice.* This way is more brittle for sure, but you can enforce the requirement. thanks, Rob * https://datatracker.ietf.org/doc/html/draft-ietf-tls-esni#config-extensions-guidance
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