Re: [webauthn] Authenticator flag to indicate internal knowledge of rk (discoverable credential creation). (#1761)

> The new `BE` flag in L3 signals whether the credential is hardware-bound to the secure element (when combined with an appropriate attestation).

I disagree with this statement. The `BE` flag means that the key is allowed to be backed up. It does not make any statements about the storage of the key or its security properties.

As mentioned in the original PR comments, these bits are designed to drive business logic and user experiences, not convey authenticator security properties.

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Received on Wednesday, 6 July 2022 19:27:36 UTC