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Shimun 2019-09-26 15:57:16 +02:00 committed by shimunn
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README.md
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@ -1,6 +1,6 @@
# fido2luks # fido2luks
This will allow you to unlock your luks encrypted disk with an fido2 compatable key This will allow you to unlock your luks encrypted disk with an fido2 compatible key
Note: This has only been tested under Fedora 30 using a Solo Key Note: This has only been tested under Fedora 30 using a Solo Key
@ -43,14 +43,22 @@ sudo make install
### Grub ### Grub
Add `rd.luks.2fa=<CREDENTIAL_ID>:<DISK_UUID>` to `GRUB_CMDLINE_LINUX` Add `rd.luks.2fa=<CREDENTIAL_ID>:<DISK_UUID>` to `GRUB_CMDLINE_LINUX` in /etc/default/grub
Note: This is only required for your root disk, systemd will try to unlock all other luks partions using the same key if you added it using `fido2luks addkey` Note: This is only required for your root disk, systemd will try to unlock all other luks partions using the same key if you added it using `fido2luks add-key`
``` ```
grub2-mkconfig > /boot/grub2/grub.cfg grub2-mkconfig > /boot/grub2/grub.cfg
``` ```
I'd also recommend to copy the executable onto /boot so that it is accessible in case you have to access your disk from a live system
```
mkdir /boot/fido2luks/
cp /usr/bin/fido2luks /boot/fido2luks/
cp fido2luks.conf /boot/fido2luks/
```
## Test ## Test
Just reboot and see if it works, if thats the case you should remove your old less secure password from your luks header: Just reboot and see if it works, if thats the case you should remove your old less secure password from your luks header:
@ -61,3 +69,15 @@ cryptsetup luksHeaderBackup /dev/disk/by-uuid/<DISK_UUID> --header-backup-file l
#There is no turning back if you mess this up, make sure you made a backup #There is no turning back if you mess this up, make sure you made a backup
fido2luks -i add-key --exclusive /dev/disk/by-uuid/<DISK_UUID> fido2luks -i add-key --exclusive /dev/disk/by-uuid/<DISK_UUID>
``` ```
## Removal
Remove `rd.luks.2fa` from `GRUB_CMDLINE_LINUX` in /etc/default/grub
```
set -a
. fido2luks.conf
sudo -E fido2luks -i replace-key /dev/disk/by-uuid/<DISK_UUID>
sudo rm -rf /usr/lib/dracut/modules.d/96luks-2fa /etc/dracut.conf.d/luks-2fa.conf
```