[Openid-specs-ab] FW: [openid/connect] Make "acr" Claim values be arrays of ACR identifiers (issue #789)
Michael.Jones at microsoft.com
Mon Mar 4 05:41:29 UTC 2013
I believe that we should allow multiple ACR values to be returned, like PAPE does. I know of use cases where they OP, for instance, might return both a LOA number value and an indication of what authentication method(s) were used. I think we'll regret it if we don't do this.
From: Michael Jones [mailto:issues-reply at bitbucket.org]
Sent: Sunday, March 03, 2013 9:30 PM
To: Mike Jones
Subject: [openid/connect] Make "acr" Claim values be arrays of ACR identifiers (issue #789)
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New issue 789: Make "acr" Claim values be arrays of ACR identifiers https://bitbucket.org/openid/connect/issue/789/make-acr-claim-values-be-arrays-of-acr
Just as was done for PAPE, we should have "acr" claim values be a list of the policies that the OP was able to satisfy/use and not assume that it's a singleton.
The PAPE language at http://openid.net/specs/openid-provider-authentication-policy-extension-1_0.html#anchor9 is:
One or more authentication policy URIs representing policies that the OP satisfied when authenticating the End User.
Value: Space separated list of authentication policy URIs.
I believe we'll regret it if we don't do this.
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