Re: [TLS] ESNI/ECH: minor progress, much githubbery

David Fifield <david@bamsoftware.com> Tue, 29 September 2020 17:35 UTC

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Date: Tue, 29 Sep 2020 11:35:47 -0600
From: David Fifield <david@bamsoftware.com>
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Subject: Re: [TLS] ESNI/ECH: minor progress, much githubbery
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On Tue, Sep 29, 2020 at 03:55:54PM +0100, Stephen Farrell wrote:
> On 29/09/2020 15:50, Christopher Patton wrote:
> > 
> >> Are there OpenSSL / NSS / etc implementations others can work from?
> >> Probably the best way to lock this in and ship is to write the code.
> >>
> > 
> > There are three implementations I'm aware of, all works in progress:
> > 
> >    1. Cloudflare's prototype (written by me):
> >    https://github.com/cloudflare/go/pull/30
> >    2. boringSSL: https://bugs.chromium.org/p/boringssl/issues/detail?id=275
> >    3. NSS: https://bugzilla.mozilla.org/show_bug.cgi?id=1654332
> 
> Mine has a readme at [1]. It works fine for draft-02 to
> draft-04. Later stuff (draft isn't working yet. As I said
> I had parked it for a bit, but am back working on it now.
> 
> [1] https://github.com/sftcd/openssl/tree/master/esnistuff

There is also this, implementing draft-05:
https://www.tunnelbear.com/blog/tunnelbear-implements-encrypted-sni/
https://boringssl-review.googlesource.com/c/boringssl/+/42644