Hello Chris, I don't know if this will help you but I provided support for keyfiles on USB sticks some time ago. It hasn't made it into Grub but you may find what's there useful https://grub.johnlane.ie.
On 25/05/2021 10:39, Christopher Oneal wrote: > Hello all, > > currently I have a working LUKS encrypted /boot ( and / for that > matter ). > For my other LUKS encrypted filesystems I am switching to using a > keyfile on an external drive (instead of using a password). > However each time at boot GRUB asks me for the password (which is an > excellent fallback in this scenario). > But I am wondering, is it possible to use a keyfile on a USB drive, > instead of using a password, to unlock GRUB at boot? > Thank you in advance. > > Cheers, > > > Chris >
