I prefer “cid” as the claim name rather than trying to match the parameter name.

John B.
> On Jun 20, 2016, at 6:22 PM, Justin Richer <[email protected]> wrote:
> 
> +1 for “cid”, consistent with other JWT claims.
> 
> — Justin
> 
>> On Jun 20, 2016, at 5:21 PM, Brian Campbell <[email protected]> 
>> wrote:
>> 
>> There is a somewhat poorly worded open issue in Token Exchange about being 
>> able to represent the client in the token. 
>> 
>> There is currently no standard claim for the client in JWT while Token 
>> Introspection defines a "client_id" parameter. It's maybe not the ideal 
>> place for it but Token Exchange could define such a claim for JWT.
>> 
>> I'm looking for some feedback from the WG on if/how to proceed with this in 
>> Token Exchange. As I see it, there are basically 3 options:
>> 
>> 1) Define and register a "client_id" JWT claim (consistent with the name in 
>> Token Introspection) to carry the client id of the OAuth 2.0 client that 
>> requested the token.
>> 
>> 2) Define and register a "cid" JWT claim (consistent with the shorter names 
>> typical for JWT) to carry the client id of the OAuth 2.0 client that 
>> requested the token.
>> 
>> 3) Do not define/register any new JWT claim for the client identifier (in 
>> the Token Exchange draft anyway). 
>> 
>> Feedback/preferences would be appreciated from the WG so as to make some 
>> progress on the draft. 
>> 
>> If pressed, I guess I'd lean towards option #1 myself. 
>> 
>> 
>> 
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