Re: RIP: Crypto-Key header field

Martin Thomson <martin.thomson@gmail.com> Fri, 25 November 2016 00:33 UTC

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From: Martin Thomson <martin.thomson@gmail.com>
Date: Fri, 25 Nov 2016 11:29:06 +1100
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To: Julian Reschke <julian.reschke@gmx.de>
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Subject: Re: RIP: Crypto-Key header field
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On 24 November 2016 at 17:20, Julian Reschke <julian.reschke@gmx.de> wrote:
> Which?

Webpush was considering using the field.  It's not final yet, but only
because there are questions about how to signal keys elsewhere, but
you can see a preview:
http://webpush-wg.github.io/webpush-encryption/pack_key_hack/

>> a usage that needs strings, then UTF-8 is available to them.
>
>
> Which implies that those who define the use of dictionaries and the way they
> are transmitted have full control over what keyids are used. Is this the
> case?

I don't see why not.  For instance, out-of-band can easily restrict
this to UTF-8 (or if you get hit on the head some time in the near
future, the special JSON UTF-16 with unpaired surrogates mess).