[Openid-specs-ab] on a-zed-p (was Re: Spec call notes 31-Aug-15)

Brian Campbell bcampbell at pingidentity.com
Tue Sep 1 14:27:44 UTC 2015

In the *normal* Connect flow Google issues ID tokens with the RP's client
id as the value for both aud and azp. Right* or wrong**, it is what they
are doing now. So the 'reject it unless you know what you're doing with it'
is probably going too far. Ignoring is probably more appropriate guidance
at this point and I suspect is what most clients are doing anyway.

* current spec does say "[azp] MAY be included even when the authorized
party is the same as the sole audience"

** there seems to be growing consensus that azp shouldn't have been in
Connect at all and I don't see any point in issuing an id token with azp =

On Tue, Sep 1, 2015 at 1:37 AM, Vladimir Dzhuvinov <vladimir at connect2id.com>

> On 1.09.2015 03:02, Mike Jones wrote:
> > Spec call notes 31-Aug-15
> >
> >
> >                 #973 - Core 2 / - azp claim underspecified and
> overreaching
> >                                 We got data on what Google is actually
> doing with "azp"
> >                                 Notably, it is not used in an OpenID
> Connect protocol flow
> >                                 Brian's comment "Rather Connect should
> strive for something that's consistent and easily comprehensible" seems
> dead on
> >                                 Mike will take a stab at slightly
> revised wording following Brian's suggestions
> >                                 John suggests that RPs reject tokens
> with "azp" unless they understand what is going on
> I'm also for mandating rejection of ID tokens with "azp" unless the RP
> knows how to deal with this claim. The "azp" seems to be a rather
> special case, and if I understand its usage correctly, if cannot simply
> be ignored if it's present.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openid.net/pipermail/openid-specs-ab/attachments/20150901/a3c1aff8/attachment.html>

More information about the Openid-specs-ab mailing list