Re: [OAUTH-WG] AS associated to multiple IdPs

2013-07-19 Thread John Bradley
hart/Lexington/IBM@IBMUS, > Cc: Prateek Mishra , IETF oauth WG > > Date:07/19/2013 12:22 PM > Subject:Re: [OAUTH-WG] AS associated to multiple IdPs > > > > I think most people look this similarly to SSO account mapping. Typically > someon

Re: [OAUTH-WG] AS associated to multiple IdPs

2013-07-19 Thread Todd W Lainhart
n, MA 01460-1250 1-978-899-4705 2-276-4705 (T/L) lainh...@us.ibm.com From: John Bradley To: Todd W Lainhart/Lexington/IBM@IBMUS, Cc: Prateek Mishra , IETF oauth WG Date: 07/19/2013 12:22 PM Subject: Re: [OAUTH-WG] AS associated to multiple IdPs I think most people look thi

Re: [OAUTH-WG] AS associated to multiple IdPs

2013-07-19 Thread John Bradley
Prateek Mishra > To:Todd W Lainhart/Lexington/IBM@IBMUS, > Cc: IETF oauth WG > Date:07/18/2013 09:48 PM > Subject:Re: [OAUTH-WG] AS associated to multiple IdPs > > > > Todd - doesnt the AS have adequate "scope" in

Re: [OAUTH-WG] AS associated to multiple IdPs

2013-07-19 Thread Todd W Lainhart
Todd W Lainhart/Lexington/IBM@IBMUS, Cc: IETF oauth WG Date: 07/18/2013 09:48 PM Subject: Re: [OAUTH-WG] AS associated to multiple IdPs Todd - doesnt the AS have adequate "scope" information to guess which resource server the token might get delivered to? I am afraid thats a

Re: [OAUTH-WG] AS associated to multiple IdPs

2013-07-18 Thread John Bradley
You could pass the RS's opaque tokens and do introspection or send signed JWT to avoid the introspection step. There is no guarantee that the user portion of identities used to login to your AS will be globaly unique. You need to scope the user part to the issuer in the token you issue to the R

Re: [OAUTH-WG] AS associated to multiple IdPs

2013-07-18 Thread Prateek Mishra
Todd - doesnt the AS have adequate "scope" information to guess which resource server the token might get delivered to? I am afraid thats about as far as the OAuth flows go in capturing the "target" of the final request. Couldn't the "scope" information be used by the AS to decide between inc

[OAUTH-WG] AS associated to multiple IdPs

2013-07-17 Thread Todd W Lainhart
This is not specifically an OAuth question per se, but there's enough experience here from multiple domains (e.g. OIDC, UMA, SCIM) that someone might be able to give me a pointer. I'm considering the case where an authorization server is associated to multiple IdPs, such that identity could com