Hi Sam,
Can you clarify what milestones you're requesting the extension for? Is
it 134 to 139?
I see evidence of substantial progress which is great, but an OT can
only be renewed for up to 3 milestones.
thanks,
Mike
On 1/14/25 10:22 AM, Chromestatus wrote:
Contact emails
rby...@chromium.org, g...@chromium.org, ma...@chromium.org
Explainer
https://github.com/WICG/digital-credentials/blob/main/explainer.md
Specification
https://wicg.github.io/digital-credentials
Summary
Websites can and do get credentials from mobile wallet apps through a
variety of mechanisms today (custom URL handlers, QR code scanning,
etc.). This Web Platform feature would allow sites to request identity
information from wallets via Android's IdentityCredential CredMan
system. It is extensible to support multiple credential formats (eg.
ISO mDoc and W3C verifiable credential) and allows multiple wallet
apps to be used. Mechanisms are being added to help reduce the risk of
ecosystem-scale abuse of real-world identity (see
https://docs.google.com/document/u/1/d/1L68tmNXCQXucsCV8eS8CBd_F9FZ6TNwKNOaFkA8RfwI/edit).
Blink component
Blink>Identity>DigitalCredentials
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink>Identity>DigitalCredentials%22>
TAG review
Mozilla feedback from Martin (also on the TAG) suggests we need to
invest more in the threat model for the larger space and clarify
specific privacy mitigations before shipping or requesting TAG review.
TAG review status
Pending
Origin Trial Name
Digital Credentials API
Chromium Trial Name
WebIdentityDigitalCredentials
Origin Trial documentation link
https://wicg.github.io/digital-credentials
WebFeature UseCounter name
kIdentityDigitalCredentials
Risks
Interoperability and Compatibility
There are multiple standards efforts involved here. We have been
working with WebKit and Mozilla in the WICG on defining this specific
API. But the greater interoperability risk will come from the data
that is sent and returned via this API. Details of that are still in
discussions but mostly driven outside the web browser community in the
OpenID Foundation (eg. OpenID4VP:
https://openid.net/specs/openid-4-verifiable-presentations-1_0.html)
and ISO (18013-7 "mdoc": https://www.iso.org/standard/82772.html)
/Gecko/: Negative
(https://github.com/mozilla/standards-positions/issues/1003) We share
most of Mozilla's concerns and continue to work with them (and the
broader community) on mitigations. I believe we feel greater risk for
the established practice of custom schemes becoming prevalent than
Mozilla does (eg. due to Google being mandated by eIDAS regulation to
accept EUDI credentials).
/WebKit/: In development
(https://github.com/WebKit/standards-positions/issues/332) WebKit
implementation progress: https://bugs.webkit.org/show_bug.cgi?id=268516
/Web developers/: No signals
/Other signals/: This work in the W3C PING is relevant:
https://github.com/w3cping/credential-considerations/
Ergonomics
There's a possibility that these credentials will be used alongside
other types of credentials in the future - such as optionally minting
a passkey when a digital credential is used to sign up for a site, or
by allowing sign-up with either a digital credential or a federated
credential via FedCM. As such we argued it was best to put this work
in the context of the Credential Management API, and hence the support
is added in 'navigator.identity.get() API .
Activation
The primary activation concern is enabling existing deployments using
technology like OpenID4VP to be able to also support this API. As such
we have left the request protocol unspecified at this layer, to be
specified along with existing request protocols to maximize activation
opportunity.
Security
See
https://github.com/WICG/digital-credentials/blob/main/horizontal-reviews/security-privacy.md
and https://github.com/WICG/digital-credentials/issues/115
WebView application risks
Does this intent deprecate or change behavior of existing APIs, such
that it has potentially high risk for Android WebView-based applications?
Goals for experimentation
Reason this experiment is being extended
I'd like to request permission to extend an OT for this API. The
experiment has been running for Android only so far, but in the
meanwhile: 1- There has been progress on the spec
https://wicg.github.io/digital-credentials/ and it is expected to
graduate to the FedID WG soon. 2- We have added Desktop cross-device
support. Therefore, we are requesting the extension.
Ongoing technical constraints
None
Debuggability
None necessary - just new JS API. For testing we may want to add a
developer option to provide a fake wallet (as for the devtools fake
authenticator for WebAuthn), but this is not urgent.
Will this feature be supported on all six Blink platforms
(Windows, Mac, Linux, ChromeOS, Android, and Android WebView)?
No
Android and Desktop Only
Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?
Yes
https://wpt.fyi/results/digital-credentials?label=master&label=experimental&aligned
<https://wpt.fyi/results/digital-credentials?label=master&label=experimental&aligned>
DevTrial instructions
https://github.com/WICG/digital-identities/wiki/HOWTO%3A-Try-the-Prototype-API-in-Chrome-Android
Flag name on about://flags
web-identity-digital-credentials
Finch feature name
WebIdentityDigitalCredentials
Requires code in //chrome?
True
Tracking bug
https://issues.chromium.org/issues/40257092
Launch bug
https://launch.corp.google.com/launch/4268575
Estimated milestones
Origin trial desktop first 134
Origin trial desktop last 139
Origin trial extension 1 end milestone 139
Origin trial Android first 128
Origin trial Android last 133
DevTrial on Android 119
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5166035265650688?gate=5119315604668416
Links to previous Intent discussions
Intent to Prototype:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAL9PXLx3sHWmdE-ikAEDay_S3ijf0%2BfxB_LbsuOx8YJx%2BZA7%2Bg%40mail.gmail.com
Intent to Experiment:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAFUtAY-421uDmu2WNDBG5bYRSWAhfmahsHPVjDwN5NLkUdCkvw%40mail.gmail.com
This intent message was generated by Chrome Platform Status
<https://chromestatus.com>.
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