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Website can distinguish via the optional attestation key. In terms of features, CTAP v2.1 (https://fidoalliance.org/specs/fido2/ https://fidoalliance.org/specs
by nickray 6y ago
Website can distinguish via the optional attestation key.
In terms of features, CTAP v2.1 (https://fidoalliance.org/specs/fido2/ https://fidoalliance.org/specs/fido2/) is still draft only, but yes both v1 and v2 keys support hmac-secret and credential management. We could add authnSelection and authnConfig, but not clear if any browsers actually implement/use it.
The major new feature is PIV.