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Subject: [xri] FW: New Version Notification - draft-hammer-hostmeta-09.txt


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+1 to the change.

I think especially with JRD it is unclear how a signature relates to =
<Host> especially given that Magic signatures use raw keys as opposed to =
X509 certificates.

In many ways magic signature a good thing however it doesn't solve the =
trust bootstrap problem,  and adds complexity requiring the unpacking of =
a base64 encoded file.

I think the trust model for host-meta needs more thought.

John B.

On 2010-05-24, at 2:11 PM, Eran Hammer-Lahav wrote:

> The <Host> element as currently specified adds no value to any of the =
use cases host-meta is intended for. The only reason why it was =
originally added was to support signatures. At this point it is far from =
clear how it will actually be used, how to address multiple hosts, and =
what impact will a JSON serialization will have on signatures =
(especially when considering "magic signatures").
>=20
> It is a part of the spec no one really cares much about, and removing =
it doesn't prevent anyone from specifying it elsewhere, where it is =
actually used.
>=20
> As for last stage, I'm not done with the document and planning on =
making significant changes to LRDD and integrating them into the same =
spec. This is based on feedback received over the last couple of weeks.
>=20
> Host-meta didn't even reach IETF last call yet.
>=20
> EHL
>=20
>> -----Original Message-----
>> From: Breno de Medeiros [mailto:breno@google.com]
>> Sent: Monday, May 24, 2010 10:56 AM
>> To: Eran Hammer-Lahav
>> Cc: xri@lists.oasis-open.org; webfinger@googlegroups.com
>> Subject: Re: [xri] FW: New Version Notification - =
draft-hammer-hostmeta-
>> 09.txt
>>=20
>> -1 to this change.
>>=20
>> Can you explain why the simplification is worth the cost of making a =
last-
>> minute change and sowing uncertainty at this last stage?
>>=20
>> On Mon, May 24, 2010 at 10:49, Eran Hammer-Lahav
>> <eran@hueniverse.com> wrote:
>>> They can do whatever they want, as long as it is valid according to =
the XRD
>> schema. Host-meta leaves <Subject> and <Alias> undefined and not
>> recommended.
>>>=20
>>> EHL
>>>=20
>>>> -----Original Message-----
>>>> From: Breno de Medeiros [mailto:breno@google.com]
>>>> Sent: Monday, May 24, 2010 10:21 AM
>>>> To: Eran Hammer-Lahav
>>>> Cc: xri@lists.oasis-open.org; webfinger@googlegroups.com
>>>> Subject: Re: [xri] FW: New Version Notification -
>>>> draft-hammer-hostmeta- 09.txt
>>>>=20
>>>> I suspect people will want to write a <Subject> instead of =
<hm:Host>
>>>> now that it's gone. :)
>>>>=20
>>>> On Mon, May 24, 2010 at 00:52, Eran Hammer-Lahav
>>>> <eran@hueniverse.com> wrote:
>>>>> After much (re)deliberation and discussions, I've decided to drop
>>>>> the
>>>> <Host> element from host-meta. The two reasons why it was there =
were:
>>>>>=20
>>>>> 1. make host-meta self-contained so it can be obtained via other
>>>>> means than /.well-known/host-meta 2. provide a subject for
>>>>> signatures
>>>>>=20
>>>>> Since there are no use cases for #1, and #2 has failed to
>>>>> materialize after
>>>> more than a year of discussions (still no signature profile
>>>> published), I have decided that for the sake of simplicity and
>>>> practicality to remove the element. host-meta doesn't address
>>>> security and it should not provide a hook for future security
>>>> profiles - that's their job. Those who find a need for expressing =
the
>>>> subject of a host-meta XRD (or JRD) can add it back in their own =
spec (or
>> make up something else).
>>>>>=20
>>>>> -09 dropped the element.
>>>>>=20
>>>>> Note that there is going to be a -10 coming out shortly which
>>>>> merges LRDD
>>>> back into host-meta, dropping links from HTTP headers and HTML =
bodies
>>>> (which don't have any driving use cases).
>>>>>=20
>>>>> EHL
>>>>>=20
>>>>>=20
>>>>> -----Original Message-----
>>>>> From: Internet-Draft@ietf.org [mailto:Internet-Draft@ietf.org]
>>>>> Sent: Monday, May 24, 2010 12:45 AM
>>>>> To: Eran Hammer-Lahav; draft-hammer-hostmeta@tools.ietf.org;
>>>>> stpeter@stpeter.im
>>>>> Subject: New Version Notification - draft-hammer-hostmeta-09.txt
>>>>>=20
>>>>> New version (-09) has been submitted for draft-hammer-hostmeta-
>> 09.txt.
>>>>> http://www.ietf.org/internet-drafts/draft-hammer-hostmeta-09.txt
>>>>>=20
>>>>>=20
>>>>> Diff from previous version:
>>>>> http://tools.ietf.org/rfcdiff?url2=3Ddraft-hammer-hostmeta-09
>>>>>=20
>>>>> IETF Secretariat.
>>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>> --
>>>> --Breno
>>>>=20
>>>> +1 (650) 214-1007 desk
>>>> +1 (408) 212-0135 (Grand Central)
>>>> MTV-41-3 : 383-A
>>>> PST (GMT-8) / PDT(GMT-7)
>>>=20
>>=20
>>=20
>>=20
>> --
>> --Breno
>>=20
>> +1 (650) 214-1007 desk
>> +1 (408) 212-0135 (Grand Central)
>> MTV-41-3 : 383-A
>> PST (GMT-8) / PDT(GMT-7)



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