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Re: Question: Prerequisites and how to build `curl` with ECH support

From: Daniel Stenberg via curl-users <>
Date: Tue, 16 Mar 2021 08:00:47 +0100 (CET)

On Tue, 16 Mar 2021, David Hu via curl-users wrote:

> I would like to know which SSL libraries support ECH (Encrypted Client
> Hello) and how to build a `curl` which supports ECH. I currently have Quiche
> and BoringSSL; however during build time it shows an error that ECH is not
> supported and ignored. Would you please tell me how to solve this? It would
> be really appreciated. Thank you very much.

curl does not support ECH yet.

Niall O'Reilly works on it and he posted a "roadmap" almost a month ago on the
curl-library list:

That roadmap is here:

I'm sure he'll appreciate all the help he can get!

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Received on 2021-03-16