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cross-posted from: https://programming.dev/post/19007507

> For context: > I've encrypted the swap partition with: > bash > cryptsetup -v luksFormat /dev/${DEVICE} > cryptsetup luksOpen /dev/${DEVICE} swap > > > And what I want is for the user to be able to enter their password only once to decrypt their root partition which would contain a keyfile to then decrypt their swap partition. > > Does anyone know if this is possible? > Just thought I'd ask to see if anyone's done this already > > ### Links: > - Dm-crypt Unlocking - With a keyfile embedded in the initramfs > - Dm-crypt - Automated unlocking and mounting