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

2022-06-23 Thread Kristina Yasuda
Hi David, Thank you for the feedback. Blinding claim names has been considered. Here is the issue: https://github.com/oauthstuff/draft-selective-disclosure-jwt/issues/3 We made a choice not to hash claim names because SD-JWT already reveals information about the issuer and the schema, and

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

2022-06-23 Thread Neil Madden
I’m not entirely sure the OAuth WG is a suitable venue for this kind of document. It should at least get some review from CFRG, to get feedback on the crypto aspects. I have some initial comments about the cryptography being used. Commitments to claim values are of the form HASH(SALT |

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

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

2022-06-23 Thread Denis
Hi Daniel, The key sentence from the introduction is the following sentence: However, when a signed JWT is intended to be multi-use, it needs to contain the superset of all claims the user might want to release to verifiers at some point. Before diving into the proposed solution, it

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

2022-06-23 Thread Daniel Fett
All, Kristina and I would like to bring to your attention a new draft that we have been working on with many others over the past weeks. "Selective Disclosure JWT (SD-JWT)" describes a format for signed JWTs that support selective disclosure (SD-JWT), enabling sharing only a subset of the