[Openid-specs-ab] SIOP Scope proposal
thomasclinganjones at gmail.com
Thu Dec 3 00:35:15 UTC 2020
not sure i understand the point of 3 - RP-OP colocation - pls provide a use
On Wed, Dec 2, 2020 at 4:00 PM Tobias Looker via Openid-specs-ab <
openid-specs-ab at lists.openid.net> wrote:
> Hi All,
> Over the past while, there has been a lot of interest and work going into
> a revision to chapter 7 of the OpenID Connect Core chapter (Self Issued
> Provider). It is my impression that because this chapter originally aimed
> to solve several quite large problems, we would benefit from classifying
> these better to ensure we can have the most productive conversations
> possible. My proposal, that I have already informally raised on the Pacific
> AB WG call, is to break apart the scope of SIOP into 5 separate problems.
> 1. Enabling portable subject identifiers between providers - Define how to
> use techniques such as asymmetric cryptography and higher level
> technologies like Decentralized Identifiers to create subject identifiers
> that are not intrinsically bound to a particular OP and hence can be ported
> between providers.
> 2. Solving for provider discovery and registration - Evaluating solutions
> to problems like the nascar problem, how does an RP come to have a
> relationship with an OP or understand its capabilities along with what role
> the user plays in this selection/discovery process.
> 3. RP - OP co-location on the same device - Dealing with the unique
> requirements that are brought about when the OP the RP is communicating
> with is on the same device (e.g in the form of a PWA or Native App), rather
> than a traditional Authorization server.
> 4. Credential Issuance support - Issuing credentials from OpenID Connect
> 5. Credential Presentation support - Presenting credentials in OpenID
> Connect flows.
> Its important to note that in my opinion only problems 1,2 and 3 were in
> the original scope of the SIOP chapter however due to the continued
> evolution of the SSI/Decentralized Identity and Verifiable Credential
> space, many uses cases that SIOP has come to be associated with involve
> verifiable credentials and there for problems 4. and 5. should be addressed.
> [image: Mattr website] <https://mattr.global>
> *Tobias Looker*
> +64 (0) 27 378 0461
> tobias.looker at mattr.global
> [image: Mattr website] <https://mattr.global> [image: Mattr on LinkedIn]
> <https://www.linkedin.com/company/mattrglobal> [image: Mattr on Twitter]
> <https://twitter.com/mattrglobal> [image: Mattr on Github]
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