
Despite being a platform API, iCloud Keychain expects unhashed WebAuthn PRF inputs. Also, the `prf_inputs_hashed` field was used for hybrid authenticator support and we've deleted that code in Chromium in favour of the implementation in Play Services. Change-Id: I12cf3f111ac29dab9b2b4e90e3d4b6fbdc48067c Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5955569 Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com> Commit-Queue: Ken Buchanan <kenrb@chromium.org> Auto-Submit: Adam Langley <agl@chromium.org> Reviewed-by: Martin Kreichgauer <martinkr@google.com> Reviewed-by: Ken Buchanan <kenrb@chromium.org> Cr-Commit-Position: refs/heads/main@{#1373302}