Some pointers: - https://github.com/rhboot/shim/blob/main/README.tpm#L9 - https://gitlab.com/vkuznets/encrypt-rhel-image/-/blob/master/encrypt-rhel-image.py?ref_type=heads#L344 - https://gitlab.com/vkuznets/encrypt-rhel-image/-/blob/master/encrypt-rhel-image.py?ref_type=heads#L644
