Actually - strike that.   Authorization server is covered by the language as 
well.

In short, Issuer is simply the entity that minted the assertion.   The intent 
is to allow the token service to lookup metadata about the issuer used to 
establish trust ( their Public Key for instance )


On Dec 3, 2012, at 6:12 PM, Chuck Mortimore wrote:

It's simply the entity that created the assertion.   Third party token service 
was meant to encapsulate pretty much all of your stakeholders below.   The only 
one it doesn't really cover is Authorization Server.



On Dec 3, 2012, at 12:35 AM, Nat Sakimura wrote:


Hi Brian,


The assertion framework defines the Issuer as:


   Issuer  The unique identifier for the entity that issued the
      assertion.  Generally this is the entity that holds the key
      material used to generate the assertion.  The issuer may be either
      an OAuth client (when assertions are self-issued) or a third party
      token service.


I was wondering why it has to be either the client or a third party token 
service.

Conceptually, it could be any token service (functionality) residing in any of

the stakeholders (Resource Owner, OAuth Client, Authorization Server, or

a third party).


I would appreciate if you could clarify why is the case.


Best,

--
Nat Sakimura (=nat)
Chairman, OpenID Foundation
http://nat.sakimura.org/
@_nat_en

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