1441724 - [wpt-sync] Sync PR 9700 - Revert "Revert "webauthn: support the appid extension.""

Status: NEW

(Testing :: web-platform-tests, enhancement, P3)

Description

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Sync web-platform-tests PR 9700 into mozilla-central (this bug is closed when the sync is complete).

PR: https://github.com/w3c/web-platform-tests/pull/9700
Details from upstream follow.

Adam Langley wrote:
>  Revert "Revert "webauthn: support the appid extension.""
>  
>  This reverts commit 7df8cfae4fb4949f4949d7c3ad9411fbb50b0175. Originally
>  it broke because r539572 landed between the trybot runs and commit and
>  broke it. Original commit message:
>  
>  webauthn: support the appid extension.
>  
>  This extension allows credentials that were registered with U2F to be
>  used with webauthn. See https://w3c.github.io/webauthn/#sctn-appid-extension.
>  
>  The change does not include support for echoing the extension in the
>  CollectedClientData[1], nor does it implement
>  getClientExtensionResults[2]. It's fully usable without that logic and
>  I have several questions about that part of the spec[3] that I would
>  like to understand first.
>  
>  I did consider avoiding having a alternative app_param value in
>  //device/u2f but a) the spec says that the given appid should be tried
>  after the first one and b) this allows sites not to have to worry about
>  which protocol they registered credentials with. Instead, they can just
>  set this extension during the transition.
>  
>  [1] https://w3c.github.io/webauthn/#sec-client-data
>  [2] https://w3c.github.io/webauthn/#iface-pkcredential
>  [3] https://github.com/w3c/webauthn/issues/803
>  
>  Bug: none
>  Change-Id: Ie68e349af9b00de4fc986bfb1516e9650c61ef0b
>  Reviewed-on: https://chromium-review.googlesource.com/940524
>  WPT-Export-Revision: 66b96aac9559ebbcbbd53a7ed7f07589e39bea5e

Comment 1

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/mozilla-inbound/rev/240b0e0db2a2
[wpt PR 9700] - Revert "Revert "webauthn: support the appid extension."", a=testonly