Re: [OAUTH-WG] Proposal for new OAuth authorization grant

2023-02-06 Thread David Chadwick
rt, but it's a start. https://github.com/jaredhanson/id-oauth-fido2/blob/main/draft.txt Aaron On Fri, Dec 23, 2022 at 1:37 PM David Chadwick <d.w.chadw...@verifiablecrede

Re: [OAUTH-WG] Proposal for new OAuth authorization grant

2022-12-23 Thread David Chadwick
Yes, I already proposed this to the OpenID4VCs working group. You can see my proposal here https://bitbucket.org/openid/connect/issues/1542/support-for-fido-authentication This proposes two new authorization grant types of "FIDO Registration" and "FIDO Authentication"

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-04 Thread David Chadwick
Answers inline below On 03/08/2022 14:57, Torsten Lodderstedt wrote: Am 02.08.2022 um 19:30 schrieb David Chadwick :  Hi Torsten your use case

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-03 Thread David Chadwick
Hi Guiseppe On 03/08/2022 01:02, Giuseppe De Marco wrote: Hi Neil, The problem of the linkability affects both sd-jwt (opaque values) and traditional jwt (readable values). Not if

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-02 Thread David Chadwick
Hi Torsten your use case sounds like an online use case, not an offline one. So its a question of balancing a long lived SD-JWT along with a revocation mechanism vs a short lived minimal JWT containing just the claims that are needed. I thought that SAML, OAuth2

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-02 Thread David Chadwick
On Behalf Of Warren Parad Sent: Tuesday, August 2, 2022 7:56 AM To: David Chadwick Cc: oauth Subject: Re: [OAUTH-WG] Call for adoption - SD-JWT   In the case we do that, this spec doesn&#x

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-02 Thread David Chadwick
a SD-JWT with blinded properties kind regards David On Tue, Aug 2, 2022, 13:39 David Chadwick <d.w.chadw...@verifiablecredentials.info> wrote: Hi Warren I am speaking about the

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-02 Thread David Chadwick
would go a long way. On Mon, Aug 1, 2022 at 6:56 PM David Chadwick <d.w.chadw...@verifiablecredentials.info> wrote: Hi Aaron I think we have different menta

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-02 Thread David Chadwick
On 01/08/2022 18:39, Warren Parad wrote: So the question is how many offline interactions are there, and what do those look like? This to me is the key question. If the vast majority of transactions between the user/wallet and the RP are on

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-01 Thread David Chadwick
Aaron Parecki On Mon, Aug 1, 2022 at 9:22 AM David Chadwick <d.w.chadw...@verifiablecredentials.info> wrote: thanks Guiseppe. Glad to hear that

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-01 Thread David Chadwick
2, 14:50 David Chadwick <d.w.chadw...@verifiablecredentials.info> ha scritto: I would like to add a few further points. The age-over property is more complex than your example, because a driving license on

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-01 Thread David Chadwick
this? What happens when different countries have different "standard claims"? On Mon, Aug 1, 2022 at 1:29 PM David Chadwick <d.w.chadw...@verifiablecredentials.info> wrote:

Re: [OAUTH-WG] Call for adoption - SD-JWT

2022-08-01 Thread David Chadwick
On 01/08/2022 11:55, Neil Madden wrote: I agree with many of these points that Jaimandeep Singh raises.  It would be good to know exactly what the intended use-cases within OAuth are. In particular, in OAuth it’s normal

Re: [OAUTH-WG] Presenting Selective Disclosure JWT (SD-JWT)

2022-06-29 Thread David Chadwick
included in “sd_digests”.   Best, Kristina   From: David Chadwick Sent: Friday, June 24, 2022 2:16 AM To: Kristina Yasuda ; oauth@ietf.org

Re: [OAUTH-WG] Presenting Selective Disclosure JWT (SD-JWT)

2022-06-24 Thread David Chadwick
Hi Denis I tend to agree with you. Sending the same JWT to multiple different RPs is providing them all with a correlating handle and this drawback should be pointed out. Kind regards David On 23/06/2022 18:04, Denis wrote: Hi Danie

Re: [OAUTH-WG] Presenting Selective Disclosure JWT (SD-JWT)

2022-06-24 Thread David Chadwick
, Kristina   From: OAuth On Behalf Of David Chadwick Sent: Thursday, June 23, 2022 10:20 AM To: oauth@ietf.org Subject: Re: [OAUTH-WG] Presenting Selective Disclosure JWT (SD-JWT

Re: [OAUTH-WG] Presenting Selective Disclosure JWT (SD-JWT)

2022-06-23 Thread David Chadwick
Hi Daniel Whilst I commend your initial efforts at SD, I find that the current draft is too privacy invasive since it reveals to the RP every property type that the user possesses, even though it does not reveal the property values. Revealing property types might be

Re: [OAUTH-WG] Comments on draft-chadwick-oauth-jwk-uri-00

2022-02-20 Thread David Chadwick
Hi Mike thanks for your suggestions. I am quite happy to replace base64 with base64url encoding. I have talked to David Waite about an alternative coding method. As always it is a tradeoff between processing vs. storage/transfer size. The mor

Re: [OAUTH-WG] WGLC for JWK Thumbprint URI document

2022-02-18 Thread David Chadwick
.      Thanks again,    -- Mike   From: David Chadwick Sent: Monday

[OAUTH-WG] Fwd: New Version Notification for draft-chadwick-oauth-jwk-uri-00.txt

2022-02-18 Thread David Chadwick
A new version of I-D, draft-chadwick-oauth-jwk-uri-00.txt has been successfully submitted by David W Chadwick and posted to the IETF repository. Name: draft-chadwick-oauth-jwk-uri Revision: 00 Title: JWT URI Document date: 2022

Re: [OAUTH-WG] WGLC for JWK Thumbprint URI document

2022-02-07 Thread David Chadwick
ed correct.      Best wishes,    -- Mike   From: OAuth On Behalf Of David Chadwick Se

Re: [OAUTH-WG] WGLC for JWK Thumbprint URI document

2022-02-06 Thread David Chadwick
.      Best wishes,    -- Mike   From: OAuth On Behalf Of David Chadwick Sent: Friday, February

Re: [OAUTH-WG] WGLC for JWK Thumbprint URI document

2022-02-04 Thread David Chadwick
On 02/02/2022 12:18, Rifaat Shekh-Yusef wrote: All, The JWK Thumbprint URI document is a simple and straightforward specification. Actually this is a complex and inefficient specification compared to o

Re: [OAUTH-WG] JWK Thumbprint URI Specification

2021-12-02 Thread David Chadwick
  From: David Waite Sent: Wednesday, November 24, 2021 2:42 PM To: Mike Jones Cc: David Chadwick ; oauth@ietf.org Subject: Re: [OAUTH-WG] JWK Thumbprint URI Specification

Re: [OAUTH-WG] JWK Thumbprint URI Specification

2021-11-25 Thread David Chadwick
Cheers,    -- Mike   From: OAuth On Behalf Of David Chadwick Sent: Wednesday, November 24, 2021 12:36 PM To: oauth@ietf.org Subject: Re: [OAUTH-WG] JWK Thum

Re: [OAUTH-WG] JWK Thumbprint URI Specification

2021-11-24 Thread David Chadwick
On 24/11/2021 20:07, Mike Jones wrote: The JSON Web Key (JWK) Thumbprint specification [RFC 7638] defines a method for computing a hash value over a JSON Web Key (JWK) [RFC 7517] and enc

Re: [OAUTH-WG] self-issued access tokens

2021-10-04 Thread David Chadwick
What we have done in our verifiable credentials implementation is to define sub as did:jwk:. (Note this is a non-standard DID.) Then the JWT is signed with the corresponding private key. This provides a JWT that is tamperproof and provides POP, but of course it do

Re: [OAUTH-WG] review: draft-ietf-oauth-json-web-token-05

2012-12-31 Thread David Chadwick
comes in the verification -Original Message- From: David Chadwick [mailto:d.w.chadw...@kent.ac.uk] Sent: Sunday, December 30, 2012 12:20 AM To: Anthony Nadalin Cc: Mike Jones; IETF oauth WG Subject: Re: [OAUTH-WG] review: draft-ietf-oauth-json-web-token-05 On 30/12/2012 00:28, Anthony Nadalin

Re: [OAUTH-WG] review: draft-ietf-oauth-json-web-token-05

2012-12-30 Thread David Chadwick
would say that in Oauth you can present a claim or a credential. regards David -Original Message- From: oauth-boun...@ietf.org [mailto:oauth-boun...@ietf.org] On Behalf Of David Chadwick Sent: Saturday, December 29, 2012 1:42 AM To: Mike Jones Cc: IETF oauth WG Subject: Re: [OAUTH-WG

Re: [OAUTH-WG] review: draft-ietf-oauth-json-web-token-05

2012-12-29 Thread David Chadwick
If a claim provides proof then I would call it a credential not a claim David On 29/12/2012 01:11, Mike Jones wrote: I found the X.1252 definition. It is: *6.18 claim *[b-OED]: To state as being the case, without being able to give proof. That seems both a bit vague, and actually incorrect,