[OAUTH-WG] Re: ABNF error in draft-ietf-oauth-selective-disclosure-jwt-18 ?

2025-05-02 Thread Carsten Bormann
> SD-JWT = JWT "~" *[DISCLOSURE "~"] made me smile... I.e., Zero or more of [DISCLOSURE “~”], each of which is optional (can be empty) due to the [] (Simple-minded ABNF validators tend to loop on something like this.) Anyway, I’m writing this to point out that languages such as ABNF should neve

[OAUTH-WG] Re: [Last-Call] [OAUTH-WG] draft-ietf-oauth-selective-disclosure-jwt-18 ietf last call Artart review

2025-05-02 Thread Carsten Bormann
On 2. May 2025, at 16:18, Henry S. Thompson wrote: > > Carsten Bormann writes: > >> ... > >> For IETF purposes, JSON text is always UTF-8 encoded, so there is no >> difference. > > I don't agree, based on my reading of 8259. It's clear that

[OAUTH-WG] Re: [Last-Call] [OAUTH-WG] draft-ietf-oauth-selective-disclosure-jwt-18 ietf last call Artart review

2025-05-02 Thread Carsten Bormann
On 2. May 2025, at 13:09, Henry S. Thompson wrote: > > Carsten Bormann writes: > >> On 2. May 2025, at 12:04, Henry Thompson via Datatracker >> wrote: >>> >>> ["26bc4LT-ac6q2KI6cBW5es", "family_name", "M%xc3%xb6bius"]

[OAUTH-WG] Re: draft-ietf-oauth-selective-disclosure-jwt-18 ietf last call Artart review

2025-05-02 Thread Carsten Bormann
On 2. May 2025, at 12:04, Henry Thompson via Datatracker wrote: > > ["26bc4LT-ac6q2KI6cBW5es", "family_name", "M%xc3%xb6bius"] [2] The weird %x notation in the third element has nothing to do with JSON, which makes it difficult for me to understand the rest of what you are trying to say.

[OAUTH-WG] Re: SD-JWT linkability

2024-12-17 Thread Carsten Bormann
On 17. Dec 2024, at 21:04, Paul Bastian wrote: > > RFC7049 doesn't even have a privacy consideration section although it > contains linkable data structures that may be utilized to track users. I’m not sure why you pick an RFC that has been superseded a while ago by an Internet Standard, but l

[OAUTH-WG] Re: SD-JWT linkability

2024-12-13 Thread Carsten Bormann
This is all great, but it is informative text except for a few sprinkled interoperability keywords “for the implementer” (when, apparently, it already has been decided to use this mechanism). The point, however, is that this specification has a limited area of applicability. Outsourcing secur

[OAUTH-WG] Re: [ID-align] Re: Fwd: Internet Terminology Glossary

2024-06-13 Thread Carsten Bormann
On 2024-06-13, at 22:02, Dick Hardt wrote: > > ISO has its processes and IETF has its processes Right. We don’t have a process for living documents. (We do have processes for IANA registries, which could be misused here. Maybe that is actually what you are trying to do here. I’d love to be

Re: [OAUTH-WG] [media-types] Last tracker issue for mediaman-suffixes

2024-02-20 Thread Carsten Bormann
On 2024-02-20, at 17:19, Orie Steele wrote: > > application/vc+ld+json - https > application/vp+ld+json - https > > application/vc+ld+json+jwt - ht > application/vp+ld+json+jwt - ht > > application/vc+ld+json+sd-jwt - > application/vp+ld+json+sd-jwt - > > application/vc+ld+json+cose - h > ap

Re: [OAUTH-WG] Request to add a profile parameter to +jwt and +sd-jwt

2023-11-27 Thread Carsten Bormann
On 2023-11-27, at 15:55, Orie Steele wrote: > > application/jwt; profile=secevent > > This is a general form of the challenges associated with using multiple > structured suffixes with JWTs. Anything that reduces our need to extract semantics from complex nested structured suffixes is good.

Re: [OAUTH-WG] SD-JWT explicit guidance on parsing json strings

2023-10-20 Thread Carsten Bormann
Hi Denis, you address me directly in this message, but there is not much in there I’d care to reply to. However, some people might believe what you are saying here: > On 16. Oct 2023, at 15:24, Denis wrote: > > Structures can be generated using CDDL, but can't be validated > against CDDL. RFC

Re: [OAUTH-WG] SD-JWT explicit guidance on parsing json strings

2023-10-15 Thread Carsten Bormann
On 15. Oct 2023, at 18:10, Denis wrote: > > Hi Brian and Orie, > > In the "old days", such problem did not existed. The prime example is using > ASN.1 / DER where the decoder can first know the full size of the message > using two or more bytes after the first byte that must contain the value

Re: [OAUTH-WG] SD-JWT explicit guidance on parsing json strings

2023-10-15 Thread Carsten Bormann
On 2023-10-13, at 01:01, Orie Steele wrote: > > scenarios where an attacker can exploit a vulnerable json parser, Do not use a vulnerable JSON parser, then. (One of the main motivations for a standards-based representation format is that you get access to debugged implementations of those. Lik

Re: [OAUTH-WG] We appear to still be litigating OAuth, oops

2021-02-24 Thread Carsten Bormann
On 2021-02-24, at 11:22, Warren Parad wrote: > > Should we solve the NxM problem, and if so, how do you propose we do that? Let GNAP do that. Grüße, Carsten ___ OAuth mailing list OAuth@ietf.org https://www.ietf.org/mailman/listinfo/oauth

Re: [OAUTH-WG] Stephen Farrell's Discuss on draft-ietf-oauth-json-web-token-27: (with DISCUSS and COMMENT)

2020-08-11 Thread Carsten Bormann
On 2020-08-03, at 16:42, Carsten Bormann wrote: > > On 2014-10-06, at 09:54, Mike Jones wrote: > >>> - 4.1.7: maybe worth adding that jti+iss being unique enough is not >>> sufficient and >>> jti alone has to meet that need. In >>> X.509 the

Re: [OAUTH-WG] Stephen Farrell's Discuss on draft-ietf-oauth-json-web-token-27: (with DISCUSS and COMMENT)

2020-08-03 Thread Carsten Bormann
On 2014-10-06, at 09:54, Mike Jones wrote: >> - 4.1.7: maybe worth adding that jti+iss being unique enough is not >> sufficient and >> jti alone has to meet that need. In >> X.509 the issuer/serial has the equivalent property so someone might assume >> sequential jti values starting at 0 are ok.

Re: [OAUTH-WG] OAuth Request JSON Encoding

2020-07-13 Thread Carsten Bormann
On 2020-07-13, at 17:19, Tom Jones wrote: > > What, exactly is json encoding? JSON is defined in RFC 8259. The term “encoding” is ambiguous here, it could be used for the encoding of a JSON text (which employs UTF-8) or the representation of an application data model using the JSON generic dat

Re: [OAUTH-WG] Question regarding RFC 7800

2019-04-08 Thread Carsten Bormann
Hi Robert, This raises the $64000 question: What piece of information made you consider that this draft might need more help? Maybe there is some miscommunication that we can fix. Grüße, Carsten > On Apr 3, 2019, at 12:14, Robert Lembree > wrote: > > Hello folks, > What is

Re: [OAUTH-WG] Working Group Last Call: JSON Web Token Best Current Practices

2018-04-17 Thread Carsten Bormann
On Apr 17, 2018, at 12:24, Carsten Bormann wrote: > > ** Obsolete normative reference: RFC 7159 (Obsoleted by RFC 8259) That also gives rise to: Minor technical comment: 2.3 claims that JSON can be in different encodings. This is no longer really the case with RFC 8259 (see Secti

Re: [OAUTH-WG] Working Group Last Call: JSON Web Token Best Current Practices

2018-04-17 Thread Carsten Bormann
I haven’t read the document yet, but idnits did some reading for me: ** The document seems to lack a Security Considerations section. ** The abstract seems to contain references ([RFC7519]), which it shouldn't. Please replace those with straight textual mentions of the documents in

Re: [OAUTH-WG] More Criticism of JOSE

2017-03-15 Thread Carsten Bormann
> On 15 Mar 2017, at 22:06, Mike Jones wrote: > > Will you be in Chicago, Antonio? If so, maybe you can sit down with us and > work on advice to implementers. And maybe we can also work out what part of that advice (and possibly which additional advice) applies to COSE. Grüße, Carsten ___

Re: [OAUTH-WG] [Ace] Call for adoption for draft-wahlstroem-ace-cbor-web-token-00

2016-05-09 Thread Carsten Bormann
> draft-ietf-ace-cbor-token-00.txt; For the record, I do not think that ACE has a claim on the term "CBOR Token". While the term token is not used in RFC 7049, there are many tokens that could be expressed in CBOR or be used in applying CBOR to a problem. ACE CBOR Token is fine, though. (Or, be

Re: [OAUTH-WG] [COSE] A draft on CBOR Web Tokens (CWT)

2015-11-16 Thread Carsten Bormann
Bill Mills wrote: > If there are structural differences in what CBOR can support it would be > worthwhile to note that. Examples of things supported in JWT that you > can't do in CBOR could be very helpful to implementers. Those don't exist, but there may be things you have to do in JSON that you

Re: [OAUTH-WG] [COSE] A draft on CBOR Web Tokens (CWT)

2015-11-13 Thread Carsten Bormann
Hi Erik, having this draft is a good thing. One thing I'm still wondering is what WG is the best place to progress this. We probably don't need to spend too much time on this because, regardless of the WG chosen, the people in another WG can look at it. Still, getting this right might provide so