- From: Patrick St-Louis <patrick.st-louis@idlab.org>
- Date: Tue, 30 Jan 2024 09:13:55 -0500
- To: Daniel Hardman <daniel.hardman@gmail.com>
- Cc: Manu Sporny <msporny@digitalbazaar.com>, W3C Credentials CG <public-credentials@w3.org>
- Message-ID: <CAMH8a6==LNWgJaMcamAwnNz366y1pe4j4K9LST1DP8DwcP057Q@mail.gmail.com>
This is great to see! There is a similar idea behind the ongoing anoncreds in w3c work from BC Gov, very interesting to see this pattern making its way in the community. I would be interested to start discussing how the vc-api can be leveraged to issue such credentials. On Tue, Jan 30, 2024 at 3:24 AM Daniel Hardman <daniel.hardman@gmail.com> wrote: > Congratulations and thank you for this important milestone, Manu and crew. > > On Mon, Jan 29, 2024 at 2:03 PM Manu Sporny <msporny@digitalbazaar.com> > wrote: > >> Hi Credentials CG (bcc: W3C VCWG), >> >> We're excited to announce that a big milestone, that our community has >> been striving towards for years, has been achieved. This is a >> historical first; to our knowledge, it's never been accomplished >> before. >> >> We now have the first public technical demonstration of cryptographic >> layering[1] (aka parallel signatures) on a Verifiable Credential that >> uses government approved cryptographic algorithms (FIPS-140) for full >> and selective disclosure of a VC, as well as unlinkable signatures >> using BBS, to achieve advanced privacy protections. >> >> What this means is that a single Verifiable Credential can be issued >> that meets all government requirements when it comes to cryptographic >> algorithms as well as one that addresses privacy concerns highlighted >> by civil society and existing government privacy regulations. >> >> The work implements the latest W3C Data Integrity specifications that >> are in the Candidate Recommendation phase in the W3C Verifiable >> Credentials Working Group. >> >> We have deployed this infrastructure to the Verifiable Credentials >> Playground, so anyone reading this message has the ability to try this >> out for themselves. If you'd like to do so, here are the steps: >> >> 1. Go to https://demo.vereswallet.dev/ and sign up for a free digital >> wallet. >> 2. Go to https://vcplayground.org/ and click on the "Issuer Demo". >> 3. Select the Gear icon at the top-right. >> 4. Select "@digitalbazaar/vc - ECDSA+Ed25519+BBS (did:web)" as the >> backend issuer service. >> 5. Select the "Permanent Resident" VC. >> 6. Click "Issue Verifiable Credential". >> 7. Click "Skip DID Authentication" (optional, you can do this if you >> want). >> 8. Click "Store in wallet" and follow the prompts to save the >> credential in the wallet. >> >> You now have a VC that is secured using 5 different cryptographic >> suites in parallel, each having different capabilities. We're going to >> focus on unlinkable signatures via BBS for the demo today. >> >> To present a BBS-secured VC: >> >> 1. Go to https://vcplayground.org/ and click on the "Verifier Demo". >> 2. Select "Permanent Resident (Country Only)" as the credential to >> request. >> 3. Click "Request Verifiable Credential". >> 4. Follow the prompts to share your VC with the Verifier Demo website. >> 5. You should see the VC that was shared, with a BBS signature on the >> VC and ONLY type information, country of birth, and validity period >> are shared (specifically, all of the other claims in the VC will be >> hidden from the verifier). >> >> As with any technology demo, there are some rough edges that need to >> be sanded down (such as not including a counter-signature from the >> holder, adding confidenceMethod, etc.). We'll follow this email up >> with a technical explanation of what is possible today, and what we >> think the community could focus on next. We'll be advancing these >> initiatives over the next couple of weeks and months with others in >> the ecosystem that we've been collaborating with on this release. >> Exciting things to come. >> >> We just wanted to share the good news to start. >> >> -- manu >> >> -- >> Manu Sporny - https://www.linkedin.com/in/manusporny/ >> Founder/CEO - Digital Bazaar, Inc. >> https://www.digitalbazaar.com/ >> >>
Received on Tuesday, 30 January 2024 14:14:40 UTC