Re: [OAUTH-WG] updated Distributed OAuth ID

Torsten Lodderstedt <torsten@lodderstedt.net> Tue, 24 July 2018 15:59 UTC

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From: Torsten Lodderstedt <torsten@lodderstedt.net>
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To: Dick Hardt <dick.hardt@gmail.com>
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Subject: Re: [OAUTH-WG] updated Distributed OAuth ID
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> And who is the AS?

In case of yes, it’s typically the bank. At Deutsche Telekom, it is the central AS/IDP. 

Why are you asking?

> 
>> On Mon, Jul 23, 2018 at 12:50 PM, Torsten Lodderstedt <torsten@lodderstedt.net> wrote:
>> 
>>> Am 23.07.2018 um 13:58 schrieb Dick Hardt <dick.hardt@gmail.com>om>:
>>> 
>>> In your examples, are these the same AS?
>> 
>> yes
>> 
>>> 
>>> 
>>> 
>>>> On Mon, Jul 23, 2018 at 3:42 AM Torsten Lodderstedt <torsten@lodderstedt.net> wrote:
>>>> Hi Dick,
>>>> 
>>>> > Am 23.07.2018 um 00:52 schrieb Dick Hardt <dick.hardt@gmail.com>om>:
>>>> > 
>>>> > Entering in an email address that resolves to a resource makes sense. It would seem that even if this was email, calendar etc. -- that those would be different scopes for the same AS, not even different resources. That is how all of Google, Microsoft work today.
>>>> 
>>>> I don’t know how those services work re OAuth resources. To me it’s not obvious why one should make all those services a single OAuth resource. I assume the fact OAuth as it is specified today has no concept of identifying a resource and audience restrict an access token led to designs not utilizing audience restriction. 
>>>> 
>>>> Can any of the Google or Microsoft on this list representatives please comment?
>>>> 
>>>> In deployments I‘m familiar with email, calendar, contacts, cloud and further services were treated as different resources and clients needed different (audience restricted) access tokens to use it.
>>>> 
>>>> In case of YES, the locations of a user’s services for account information, payment initiation, identity, and electronic signature are determined based on her bank affiliation (bank identification code). In general, each of these services may be provided/operated by a different entity and exposed at completely different endpoints (even different DNS domains).
>>>> 
>>>> kind regards,
>>>> Torsten.
>