(Sorry for the delay, back from vacation...) Echoing Jeremie's explanation, U-Prove (microsoft.com/uprove) is a blind signature scheme with selective disclosure, and doesn't mandate a serialization framework; JWP is indeed complementary and can be used as a vehicle to encode U-Prove token presentations.
Regards, Christian From: Jeremie Miller <[email protected]> Sent: Thursday, July 28, 2022 10:49 AM To: Anders Rundgren <[email protected]> Cc: Torsten Lodderstedt <[email protected]>; Neil Madden <[email protected]>; Tobias Looker <[email protected]>; [email protected]; Christian Paquin <[email protected]> Subject: [EXTERNAL] Re: [jose] JWP You don't often get email from [email protected]<mailto:[email protected]>. Learn why this is important<https://aka.ms/LearnAboutSenderIdentification> Some 10Y+ back MSFT launched the UPROV system. I know very little about it but it would be interesting to know the pros and cons of that compared to JWP. Christian Paquin (cc'd here since he may not yet be on this list), one of the authors of U-Prove, has been notably involved in the new BBS algorithm and has also advised on JWP. Since JWP is a container format and U-Prove is an algorithm they don't really compare directly, instead U-Prove was one of the inspirations for the current JWP drafts as a model of a type of algorithm that should be supportable. Jer
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