Re: [Rats] IANA pre-RFC code points

Thomas Fossati <Thomas.Fossati@arm.com> Tue, 16 February 2021 18:10 UTC

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From: Thomas Fossati <Thomas.Fossati@arm.com>
To: Laurence Lundblade <lgl@island-resort.com>, "Smith, Ned" <ned.smith@intel.com>
CC: Adrian Shaw <Adrian.Shaw@arm.com>, "rats@ietf.org" <rats@ietf.org>, Hannes Tschofenig <Hannes.Tschofenig@arm.com>, Simon Frost <Simon.Frost@arm.com>, Thomas Fossati <Thomas.Fossati@arm.com>
Thread-Topic: [Rats] IANA pre-RFC code points
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Date: Tue, 16 Feb 2021 18:10:31 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/rats/1zjfmaWwrTqxNpfFX3Mqd1driFU>
Subject: Re: [Rats] IANA pre-RFC code points
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On 16/02/2021, 17:43, "Laurence Lundblade" <lgl@island-resort.com> wrote:
>
> If we can agree that profiles are necessary and that a simple text
> string is good enough to name a profile, then we can put in in the
> pre-allocation.  We don't have to agree on the mechanism for defining
> profiles, just for naming them.

I think what is in -08 in terms of defining a profile is great.

I think we should just nail down the type and constraints around the
claim value.  The way it is now (i.e., plain, unstructured tstr) creates
an incentive to using short strings and therefore increasing the chance
of collisions, which is bad.

If we say:
~~~
  profile-claim = (
    profile => $profile-type,
  )

  $profile-type /= uri ; i.e., #6.32(tstr)
  $profile-type /= oid ; draft-ietf-cbor-tags-oid
~~~

We'd allow both human readable https://fidoalliance.org/profile/a, as
well as compact, machine readable 1.3.6.1.4.1.etc in a way that prevents
clashes.

I don't think it's crazy to expect the profile owner to also control a
DNS name and/or a PEN.

Cheers!


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