How do you suggest enforcing that root can't write to a LUKS swap partition? Root knows the key, root can write to block devices, what's stopping me from disabl

How do you suggest enforcing that root can't write to a LUKS swap partition? Root knows the key, root can write to block devices, what's stopping me from disabling swap and writing a backdoored image to the partition with a user-space implementation of LUKS?