Re: [webauthn] devicePubKey extension MUST be supported if multi-device WebAuthn credentials are used (#1691)

> This is why dpk should always be provided if multi-device WebAuthn credentials are provided. They are inseparable companion features to ensure backward compatibility on the security model where the credentials were bound to devices. It is disappointing if WebAuthn cannot mandate such an important issue.

@maxhata, please be sure to take a look at the pull request for [devicePublicKey](https://github.com/w3c/webauthn/pull/1663), specifically the `scope` parameter. The DPK may be more specific than just device-level on some platforms.

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Received on Tuesday, 25 January 2022 15:40:26 UTC