On Fri, Mar 20, 2026, at 14:26, Eric Rescorla wrote:

>>          ECH is a concern.
> Why? McEliece ciphertexts are small.

Getting the public key into a DNS response might be a challenge.  SvcParams 
can't be longer than 65535 bytes (or less, because you need to share that space 
with others). -- https://datatracker.ietf.org/doc/html/rfc9460#section-2.2-4.2

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