Re: Verifiable Driver's Licenses and ISO-18013-5 (mDL)

Manu et al., - great work.


Darrell O'Donnell, P.Eng.   President & CEO, Continuum Loop Inc.
Phone: +613.866.8904
Email: darrell.odonnell@continuumloop.com
Website: www.continuumloop.com
‌
On Nov 29, 2021, 9:57 AM -0500, Manu Sporny <msporny@digitalbazaar.com>, wrote:
> Hi all,
>
> As some of you might be aware, ISO-18013-5 (mDL -- Mobile Driver's License[1])
> was published as a global ISO standard in September 2021. A number of us in
> the W3C CCG and W3C VCWG attempted to ensure that W3C Verifiable Credentials
> were supported by the mDL work, but that effort is not reflected in the
> finalized ISO mDL standard (and due to the way ISO operates, we are not at
> liberty to share any details). There have been increasing concerns related to
> the divergence of mDL with W3C Verifiable Credentials[2][3][4][5][6] and to
> the market dynamics at play[7][8] around mDL.
>
> In an effort to demonstrate that it is possible to express the entire mDL data
> model, Spruce, MATTR, and Digital Bazaar have collaborated on creating an
> interoperability test suite for something we're calling the "Verifiable
> Driver's License" (temporary name):
>
> http://w3id.org/vdl/interop-reports
>
> The test suite demonstrates that a few things are possible in addition to what
> mDL provides:
>
> 1. The mDL data model can be expressed cleanly using W3C Verifiable Credentials.
>
> 2. The Verifiable Driver's License can be issued and verified today using the
> Verifiable Credentials API (mDL does not provide any details on
> issuance/verification infrastructure).
>
> 3. There is demonstrable interoperability today among at least 3 vendors, and
> we expect that to be true among all the vendors that comply with the
> Verifiable Credentials API today (we invite all vendors to add their
> implementations to the test suite).
>
> 4. It is possible to express the vDL as a compact QR Code, thus providing a
> "path to paper" (mDL has no path to paper).
>
> 5. It is possible to utilize the BBS+ selective disclosure mechanism to
> selectively disclose subsets of the Verifiable Driver's License Credential.
>
> 6. It is possible to utilize privacy-preserving revocation mechanisms that
> don't phone home (utilizing privacy-aware technologies like StatusList2021).
>
> 7. The Verifiable Driver's License can be exchanged in online scenarios using
> some of the emerging open wallet protocols. There is also support for offline
> exchange (via QR Codes and other optical carriers).
>
> All that said, it is also important to understand that the current W3C
> Verifiable Credentials ecosystem is not capable of radio transmission of the
> Verifiable Driver's License (e.g., at airline security checkpoints or police
> traffic stops), and does not currently have the backing of any known
> "certified" mDL vendor. This is not a case where there is a clear winner; this
> is the start to a concrete public engagement about the future of these
> technologies as applied to driving credentials.
>
> CCG Chairs,
>
> Spruce, MATTR, and Digital Bazaar would like to request some time on an
> upcoming CCG call to introduce this work item to the group and see if there is
> interest in picking it up:
>
> https://github.com/w3c-ccg/community/issues/218
>
> -- manu
>
> [1]https://www.iso.org/standard/69084.html (paywalled)
> [2]https://downloads.regulations.gov/DHS-2020-0028-0032/attachment_1.pdf
> [3]https://downloads.regulations.gov/DHS-2020-0028-0048/attachment_1.pdf
> [4]https://downloads.regulations.gov/DHS-2020-0028-0055/attachment_1.pdf
> [5]https://downloads.regulations.gov/DHS-2020-0028-0045/attachment_1.pdf
> [6]https://downloads.regulations.gov/DHS-2020-0028-0062/attachment_1.pdf
> [7]https://www.cnbc.com/2021/11/14/apple-sticking-taxpayers-with-part-of-the-bill-for-digital-id-rollout.html
>
> [8]https://www.slashgear.com/apple-delays-controversial-iphone-drivers-license-feature-24700470/
>
> --
> Manu Sporny - https://www.linkedin.com/in/manusporny/
> Founder/CEO - Digital Bazaar, Inc.
> News: Digital Bazaar Announces New Case Studies (2021)
> https://www.digitalbazaar.com/
>
>