Tested this today, via the github site, and both authentication and the registration of a new key fails. Logging I can find related to this in /var/log/syslog is:
Jan 31 09:53:13 hyperion kernel: [605631.650563] audit: type=1400 audit(1580428393.744:1863): apparmor="DENIED" operation="open" profile="/usr/lib/firefox/firefox{,*[^s][^h]}" name="/sys/devices/virtual/misc/uhid/0005:046D:B01D.0013/hidraw/hidraw6/uevent" pid=25081 comm=4950444C204261636B67726F756E64 requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1741768 Title: U2F FIDO authentication doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1741768/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs