ECH gets the key from the DNS, and there's no real authentication for this data (DNSSEC is rare and is not checked by the browser). See S 10.2 [0] for why this is reasonable.
[0] https://tlswg.org/draft-ietf-tls-esni/draft-ietf-tls-esni.ht...
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ECH gets the key from the DNS, and there's no real authentication for this data (DNSSEC is rare and is not checked by the browser). See S 10.2 [0] for why this is reasonable.
[0] https://tlswg.org/draft-ietf-tls-esni/draft-ietf-tls-esni.ht...