Hi all,

I am working on the shepherd writeup for the JWT. Here are a few questions:

- To the document authors: Please confirm that any and all appropriate
IPR disclosures required for full conformance with the provisions of BCP
78 and BCP 79 have already been filed.

- To all: I have included various pointers to implementations in the
write-up. Maybe there are others that should be included. If so, please
let me know.

- To all: Please also go through the text to make sure that I correctly
reflect the history and the status of this document.

Here is the latest version of the write-up:
https://raw.githubusercontent.com/hannestschofenig/tschofenig-ids/master/shepherd-writeups/Writeup_OAuth_JWT.txt

Ciao
Hannes

PS: Here is the copy-and-paste text:

--------

Writeup for "JSON Web Token (JWT)" <draft-ietf-oauth-json-web-token-19>

(1) What type of RFC is being requested (BCP, Proposed Standard,
Internet Standard, Informational, Experimental, or Historic)? Why is
this the proper type of RFC? Is this type of RFC indicated in the title
page header?

The RFC type is 'Standards Track' and the type is indicated in the title
page. This document defines the syntax and semantic of information
elements.

(2) The IESG approval announcement includes a Document Announcement
Write-Up. Please provide such a Document Announcement Write-Up. Recent
examples can be found in the "Action" announcements for approved
documents. The approval announcement contains the following sections:

Technical Summary:

   JSON Web Token (JWT) is a compact URL-safe means of representing
   claims to be transferred between two parties.  The claims in a JWT
   are encoded as a JavaScript Object Notation (JSON) object that is
   used as the payload of a JSON Web Signature (JWS) structure or as the
   plaintext of a JSON Web Encryption (JWE) structure, enabling the
   claims to be digitally signed or MACed and/or encrypted.

Working Group Summary:

Was there anything in WG process that is worth noting? For example, was
there controversy about particular points or were there decisions where
the consensus was particularly rough?

This document was uncontroversial. It allows OAuth deployments to use a
standardized access token format, which increases interoperability of
OAuth-based deployments.

Document Quality:

This document has gone through many iterations and has received
substantial feedback.

A substantial number of implementations exist, as documented at
http://openid.net/developers/libraries/
(scrowl down to the 'JWT/JWS/JWE/JWK/JWA Implementations' section)

An Excel document providing additional details can be found here:
http://www.oauth-v2.org/wp-content/uploads/2014/04/JWT-Implementations.xlsx

Personnel:

The document shepherd is Hannes Tschofenig and the responsible area
director is Kathleen Moriarty.

(3) Briefly describe the review of this document that was performed by
the Document Shepherd. If this version of the document is not ready for
publication, please explain why the document is being forwarded to the IESG.

The draft authors believe that this document is ready for publication.
The document has received review comments from working group members,
and from the OAuth working group chairs. Implementations exist and they
have tested for interoperability as part of the OpenID Connect interop
events.

(4) Does the document Shepherd have any concerns about the depth or
breadth of the reviews that have been performed?

This document has gotten enough feedback from the working group.

(5) Do portions of the document need review from a particular or from
broader perspective, e.g., security, operational complexity, AAA, DNS,
DHCP, XML, or internationalization? If so, describe the review that took
place.

Since the OAuth working group develops security protocols any feedback
from the security community is always appreciated.
The JWT document heavily depends on the work in the JOSE working group
since it re-uses the JWE and the JWS specifications.

(6) Describe any specific concerns or issues that the Document Shepherd
has with this document that the Responsible Area Director and/or the
IESG should be aware of? For example, perhaps he or she is uncomfortable
with certain parts of the document, or has concerns whether there really
is a need for it. In any event, if the WG has discussed those issues and
has indicated that it still wishes to advance the document, detail those
concerns here.

The shepherd has no concerns with this document.

(7) Has each author confirmed that any and all appropriate IPR
disclosures required for full conformance with the provisions of BCP 78
and BCP 79 have already been filed. If not, explain why?

[[Confirmation from the authors required.]]

(8) Has an IPR disclosure been filed that references this document? If
so, summarize any WG discussion and conclusion regarding the IPR
disclosures.

Two IPRs have been filed for the JWT specification this document relies
on, see
http://datatracker.ietf.org/ipr/search/?option=document_search&id=draft-ietf-oauth-json-web-token


There was no discussion regarding those two IPRs on the mailing list.

(9) How solid is the WG consensus behind this document? Does it
represent the strong concurrence of a few individuals, with others being
silent, or does the WG as a whole understand and agree with it?

The working group has consensus to publish this document.

(10) Has anyone threatened an appeal or otherwise indicated extreme
discontent? If so, please summarise the areas of conflict in separate
email messages to the Responsible Area Director. (It should be in a
separate email because this questionnaire is publicly available.)

No appeal or extreme discontent has been raised.

(11) Identify any ID nits the Document Shepherd has found in this
document. (See http://www.ietf.org/tools/idnits/ and the Internet-Drafts
Checklist). Boilerplate checks are not enough; this check needs to be
thorough.

The shepherd has checked the nits. The shepherd has not verified the
examples for correctness.

(12) Describe how the document meets any required formal review
criteria, such as the MIB Doctor, media type, and URI type reviews.

The document does not require a formal review even though it contains
JSON-based examples.

(13) Have all references within this document been identified as either
normative or informative?

Yes.

(14) Are there normative references to documents that are not ready for
advancement or are otherwise in an unclear state? If such normative
references exist, what is the plan for their completion?

There are various JOSE documents that have not been published as RFCs
yet. As such, this document cannot be published before the respective
JOSE documents are finalized.

(15) Are there downward normative references references (see RFC 3967)?
If so, list these downward references to support the Area Director in
the Last Call procedure.

The document contains a reference to

   [ECMAScript]
              Ecma International, "ECMAScript Language Specification,
              5.1 Edition", ECMA 262, June 2011.

which might require a downref.

RFC 6755 is also a downref.


(16) Will publication of this document change the status of any existing
RFCs? Are those RFCs listed on the title page header, listed in the
abstract, and discussed in the introduction? If the RFCs are not listed
in the Abstract and Introduction, explain why, and point to the part of
the document where the relationship of this document to the other RFCs
is discussed. If this information is not in the document, explain why
the WG considers it unnecessary.

The publication of this document does not change the status of other RFCs.

(17) Describe the Document Shepherd's review of the IANA considerations
section, especially with regard to its consistency with the body of the
document. Confirm that all protocol extensions that the document makes
are associated with the appropriate reservations in IANA registries.
Confirm that any referenced IANA registries have been clearly
identified. Confirm that newly created IANA registries include a
detailed specification of the initial contents for the registry, that
allocations procedures for future registrations are defined, and a
reasonable name for the new registry has been suggested (see RFC 5226).

The document creates a new registry for JWT claims and populates this
registry with values.
It also registers values into two existing registries, namely into
 * the RFC 6755 created OAuth URN registry, and
 * the media type registry

(18) List any new IANA registries that require Expert Review for future
allocations. Provide any public guidance that the IESG would find useful
in selecting the IANA Experts for these new registries.

The newly created JWT claims registry requires expert review for future
allocations. Guidance is given in the document.
The document shepherd volunteers to become an expert review.

(19) Describe reviews and automated checks performed by the Document
Shepherd to validate sections of the document written in a formal
language, such as XML code, BNF rules, MIB definitions, etc.

There are examples in the document that use a JSON-based encoding. The
document shepherd has reviewed those examples but has not verified the
correctness of the cryptographic operations.


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