Took some additional digging, but already confirmed, and definitely yubikey-luks side of the fence... it was using a non-public interface.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=904162#15 Looks like there was some refactoring, and ostensibly this is fixed in a later iteration of yubikey-luks that is in U19.04/Disco but not U18.10/Cosmic at present https://bugs.launchpad.net/ubuntu/+source/yubikey- luks/0.5.1+29.g5df2b95-1 U18.10/Cosmic, U18.04/Bionic, et al are on https://bugs.launchpad.net/ubuntu/+source/yubikey- luks/0.3.3+3.ge11e4c1-1 ** Bug watch added: Debian Bug tracker #904162 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=904162 ** Also affects: cryptsetup Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1619921 Title: Password Prompt for yubikey not showing in Plymouth To manage notifications about this bug go to: https://bugs.launchpad.net/cryptsetup/+bug/1619921/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
