On Thu, Dec 20, 2012 at 11:25 AM, John Bradley <[email protected]> wrote:
> I agree, audience who requested it and and who it is requested for are all > interrelated. > Bringing in such application or protocol specific semantics to the level of JWT does not seem to be a good idea to me. What I am proposing is just the claim that identifies who is the eligible user of the token. It is independent of request or where it can be used. It is an abstract notion which application protocols can utilize. > > However we do need to set down some standard way of expressing it as > people are starting to make stuff up on their own that will impact > interoperability. > > If Google starts thawing in cid and clients don't know about it they must > reject the JWT etc. > > John > > On 2012-12-19, at 9:40 PM, Anthony Nadalin <[email protected]> wrote: > > It seems premature and we should consider this in the bigger context of > the “on behalf of”/delegation work that has been started**** > > *From:* [email protected] [mailto:[email protected]] *On Behalf > Of *Nat Sakimura > *Sent:* Tuesday, December 18, 2012 6:22 PM > *To:* oauth > *Subject:* [OAUTH-WG] "cid" claim in JWT**** > ** ** > In OpenID Connect WG, we have been talking this for sometime. **** > "cid" claim identifies the entity that the JWT was issued to as a > rightful/licensed user. **** > Google already uses this in their implementation of id_token of OIDC. **** > ** ** > Here is the text proposal. It introduces two new standard claims: "cid" > and "cit". **** > ** ** > It would be very useful in creating a HoK drafts as well. **** > > Cheers, **** > > Nat**** > > > > > *4.1.9. "cid" Client Identification Data Claim***** > > > > The "cid" (client identification data) claim allows the receiver **** > > of the JWT to identify the entity that the JWT is **** > > intended to be used by. The audience of the JWT MUST be **** > > able to identify the client with the value of this claim.**** > > > > The "cid" value is a case sensitive string containing a StringOrURI value.**** > > This claim is OPTIONAL. If the entity processing the claim does not **** > > identify the user of the JWT with the identifier in the "cid" claim value, > **** > > then the JWT MUST be rejected. The interpretation of the registered to **** > > value is generally application specific.**** > > > > A typical example of a registered to claim includes following: **** > > * client_id that the audience can use to authenticate and **** > > identify the client.**** > > * A base64url encoded JWK. **** > > * A URL that points to the key material that the audience can use to **** > > authenticate the user of the JWT.**** > > > > *4.1.10 "cit" (Client Identification Data claim type)***** > > > > The "cit" (Client Identification Data claim type) identifies the type **** > > of the "cid" claim. It is a StringOrURI value. The defined values **** > > are the following:**** > > > > "client_id" The value of the "cid" claim is the Client ID of the client **** > > that the audience of the JWT is able to use to authenticate the client.**** > > > > "jwk" The value of the "cid" claim is a base64url encoded JWK of **** > > the registered client.**** > > > > "jku" The value of the "cid" claim is the "jku" defined in 4.1.2 of **** > > JSON web signature [JWS].**** > > > > "x5u" The value of the "cid" claim is the URL that points to the public **** > > key certificate of the registered client. The format of the content **** > > that x5u points to is described in section 4.1.4 of the JSON Web > Signature.**** > > ** ** > -- > Nat Sakimura (=nat)**** > Chairman, OpenID Foundation > http://nat.sakimura.org/ > @_nat_en**** > ** ** > _______________________________________________ > OAuth mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/oauth > > > -- Nat Sakimura (=nat) Chairman, OpenID Foundation http://nat.sakimura.org/ @_nat_en
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