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[Question] Encrypted Partition Unlock via Root Unlocking (programming.dev)

submitted 11 months ago by recursive_recursion@programming.dev to c/arch@programming.dev

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For context:
I've encrypted the swap partition with:

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

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