[Jwt-reg-review] [IANA #1158948] Requested review for IANA registration in draft-ietf-ace-oauth-params (jwt - JSON Web Token Claim)

["Sabrina Tanamal via RT" <[e-mail]>]

Hi Mike, 

Thanks for checking. It looks like the JWT claim was removed in version -12. Sorry, we aren't notified of version changes. 

Thanks,
Sabrina

On Tue Feb 18 22:49:03 2020, [e-mail] wrote:
> This draft is not making any JWT Claims registration requests, so I'm
> not sure why this expert review request is being made.
> 
> -- Mike
> 
> -----Original Message-----
> From: Jwt-reg-review <[e-mail]> On Behalf Of
> Sabrina Tanamal via RT
> Sent: Wednesday, January 29, 2020 4:41 PM
> Cc: [e-mail]
> Subject: [EXTERNAL] [Jwt-reg-review] [IANA #1160802] Re: [Ace]
> Requested review for IANA registration in draft-ietf-ace-oauth-params
> 
> Dear John, Michael, and Chuck,
> 
> Have you had a chance to review the registration in draft-ietf-ace-
> oauth-params?
> 
> https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftools.ietf.org%2Fhtml%2Fdraft-
> ietf-ace-oauth-
> params&amp;data=02%7C01%7CMichael.Jones%40microsoft.com%7C61ca6b3d9a5c4aab17e508d7a51d1411%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637159416642322478&amp;sdata=KyQE29ZaEQ5%2FX7i6pjzkicORKhDtawDFVjMsNk63%2FuE%3D&amp;reserved=0
> 
> Thanks,
> 
> Sabrina Tanamal
> Senior IANA Services Specialist
> 
> > On Thu, Jan 23, 2020 at 02:31:20PM -0700, Brian Campbell wrote:
> > > Apologies, I forgot to reply-all at some earlier point and dropped
> > > the mailing lists and other cc's off the thread. Added back now.
> > >
> > > And also apologies because I think I need to recuse myself from the
> > > DE responsibility on the JWT registry request here. I've spent more
> > > time than I'd like to admit or really have to spare on it and am
> > > still struggling to understand.
> > >
> > > I appreciate you pointing out the authz-info endpoint in ACE but I
> > > still don't follow how "rs_cnf" in an access token would really
> > > work
> > > in practice.
> > > The client sends the token to the RS's authz-info endpoint on an
> > > insecure connection or one that has the server auth with
> > > potentially
> > > different key and the RS stores the access token for later use.
> > > Then
> > > on resource access the RS looks up the access token (with respect
> > > to
> > > the cnf key in it) based on the key the client used in establishing
> > > a new mutually authentication connection to the RS. For the RS to
> > > choose a key for server it will use during the handshake (and as
> > > far
> > > as I know the server key is the first in the authn process of the
> > > handshake) based on the "rs_cnf" in the access token, it needs to
> > > remember and associate that client and the access token with
> > > something else (IP address?) that will be available during the
> > > handshake. It doesn't fit together for me in a way that seems
> > > likely
> > > to work or be interoperable but, like I said, I'm really struggling
> > > to understand.
> > >
> > > On Thu, Jan 16, 2020 at 12:54 AM Seitz Ludwig
> > > <[e-mail]>
> > > wrote:
> > >
> > > > Hi Brian,
> > > >
> > > >
> > > >
> > > > Comments inline.
> > > >
> > > >
> > > >
> > > > /Ludwig
> > > >
> > > >
> > > >
> > > > *From:* Brian Campbell <[e-mail]>
> > > > *Sent:* den 13 januari 2020 21:22
> > > > *To:* Seitz Ludwig <[e-mail]>
> > > >  *Subject:* Re: [Ace] Requested review for IANA registration in
> > > > draft-ietf-ace-oauth-params
> > > >
> > > >
> > > >
> > > > Thanks for the response and updates Ludwig,
> > > >
> > > >
> > > >
> > > > Please bear with me while I try to wrap my head around some
> > > > things.
> > > >
> > > >
> > > >
> > > > The JWT registration request for the "rs_cnf" claim points to Sec
> > > > 3.3
> > > > <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2
> > > > Ftools.ietf.org%2Fhtml%2Fdraft-ietf-ace-oauth-params-
> > > > &amp;data=02%
> > > > 7C01%7CMichael.Jones%40microsoft.com%7C61ca6b3d9a5c4aab17e508d7a51
> > > > d1411%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637159416642322
> > > > 478&amp;sdata=eGiV%2BpjnegXqzjrDbRKEFd2PLJbt9jFh3cTLQQHJCX8%3D&amp
> > > > ;reserved=0
> > > > 08#section-3.3>
> > > >  saying it is "a hint [in the access token] to the RS about which
> > > >  key it should use to authenticate towards the client".  But
> > > >  doesn't the client have to go through the DTLS/TLS handshake
> > > > with
> > > >  the RS (which is presumably when it authenticates to the client)
> > > > before it presents the access token?
> > > >  I'm not seeing how this would work as seems the RS won't see the
> > > > hint until after it needs it.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > [LS] Not in the ACE flow. We use the access token to establish
> > > > keys at the RS both for the client and the RS. We have therefore
> > > > defined a new ACE-OAuth endpoint (authz-info) at the RS. The
> > > > client can POST access tokens to this endpoint without prior
> > > > authentication.
> > > >
> > > > At that point, the RS only validates the signature/MAC by the AS.
> > > >
> > > >
> > > >
> > > > Later at the time of access, the corresponding token is linked to
> > > > the access request via the pop-mechanism and the client/access
> > > > specific parts are validated (e.g. scope, subject).
> > > >
> > > >
> > > >
> > > > Hope that clarifies things a bit.
> > > >
> > > >
> > > >
> > > > On Sat, Jan 11, 2020 at 8:30 AM Seitz Ludwig
> > > > <[e-mail]>
> > > > wrote:
> > > >
> > > > Hello again Brian,
> > > >
> > > >
> > > >
> > > > Thank you for reviewing this! Indeed the handling of JWT/JSON
> > > > interactions was handled sloppily here. I will soon issue a draft
> > > > update that specifies that the JSON-based interactions should use
> > > > the syntax from RFC7800 while the CBOR-based ones should use
> > > > ID.ietf-ace-cwt-proof-of-possession.
> > > >
> > > >
> > > >
> > > > This correction goes for all the use of “cnf”, “req_cnf” and
> > > > “rs_cnf”.
> > > >
> > > >
> > > >
> > > > Regards,
> > > >
> > > >
> > > >
> > > > Ludwig
> > > >
> > > >
> > > >
> > > > *From:* Ace <[e-mail]> *On Behalf Of *Brian Campbell
> > > > *Sent:* den 10 januari 2020 22:12
> > > > *To:* Ludwig Seitz <[e-mail]>
> > > >  *Cc:* Roman Danyliw <[e-mail]>; [e-mail]; Jim
> > > >  Schaad < [e-mail]>; The IESG <[e-mail]>;
> > > >  [e-mail]; [e-mail]; Benjamin Kaduk
> > > > <[e-mail]>
> > > >  *Subject:* Re: [Ace] Requested review for IANA registration in
> > > > draft-ietf-ace-oauth-params
> > > >
> > > >
> > > >
> > > > That  "rs_cnf" claim registration request in 9.1 points to 3.3
> > > > which says it has 'the same syntax and semantics as defined in
> > > > for
> > > > the "rs_cnf"
> > > > parameter', which I think is in 4.1. And 4.1 says that the
> > > > "rs_cnf"
> > > > values
> > > > 'follow the syntax of the "cnf" claim from section 3.1 of
> > > > [I-D.ietf-ace-cwt-proof-of-possession].' Similar to other
> > > > comments
> > > > I've made today, I don't follow what that would mean for the
> > > > value
> > > > of the claim when it's a JWT. And that seems like something
> > > > that's
> > > > important to understand for the purpose of a JWT claims registry
> > > > request.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > On Sat, Dec 21, 2019 at 4:11 AM Ludwig Seitz
> > > > <[e-mail]>
> > > > wrote:
> > > >
> > > > Hello JWT registry reviewers,
> > > >
> > > > the IESG-designated experts for the JWT claims registry have
> > > > asked
> > > > me to send a review request to you about the "rs_cnf" claim
> > > > registered
> > > > here:
> > > >
> > > > https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2F
> > > > tools.ietf.org%2Fhtml%2Fdraft-ietf-ace-oauth-params-07%23section-
> > > > &
> > > > amp;data=02%7C01%7CMichael.Jones%40microsoft.com%7C61ca6b3d9a5c4aa
> > > > b17e508d7a51d1411%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637
> > > > 159416642322478&amp;sdata=HUDQlv7KRIJiV2AAFcK9H1jXVcglVisiCFP8lYQ8
> > > > 4tc%3D&amp;reserved=0
> > > > 9.1
> > > >
> > > > Thank you in advance for you review comments.
> > > >
> > > > Regards,
> > > >
> > > > Ludwig
> > > >
> > > > _______________________________________________
> > > > Ace mailing list
> > > > [e-mail]
> > > > https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2F
> > > > www.ietf.org%2Fmailman%2Flistinfo%2Face&amp;data=02%7C01%7CMichael
> > > > .Jones%40microsoft.com%7C61ca6b3d9a5c4aab17e508d7a51d1411%7C72f988
> > > > bf86f141af91ab2d7cd011db47%7C1%7C0%7C637159416642322478&amp;sdata=
> > > > QoMEDPhQNPpLz8mv02OMYVOKKd3DfusKD%2Ftz%2B%2B11Q6I%3D&amp;reserved=
> > > > 0
> > > >
> > > >
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