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Firefox (only talking about Firefox here) does not use CTAP2, to the best of my knowledge. What you think is "FIDO2" is likely actually U2F/CTAP1. Backwards com
by Borealid 4y ago
Firefox (only talking about Firefox here) does not use CTAP2, to the best of my knowledge. What you think is "FIDO2" is likely actually U2F/CTAP1. Backwards compatibility with that protocol is part of the FIDO2 spec, but it doesn't enable no-username-provided authentication. LUKS uses libfido2, which supports CTAP2 (and most of CTAP2.1).