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[email protected], systemd-veritysetup - Disk verity protection logic

[email protected]

/lib/systemd/systemd-veritysetup

[email protected] is a service responsible for setting up verity protection block devices. It should be instantiated for each device that requires verity protection.

At early boot and when the system manager configuration is reloaded kernel command line configuration for verity protected block devices is translated into [email protected] units by systemd-veritysetup-generator(8).

[email protected] calls systemd-veritysetup.

The following commands are understood by systemd-veritysetup:

attach volume datadevice hashdeviceroothash [option...]

Create a block device volume using datadevice and hashdevice as the backing devices. roothash forms the root of the tree of hashes stored on hashdevice. See Kernel dm-verity[1] documentation for details.

detach volume

Detach (destroy) the block device volume.

help

Print short information about command syntax.

systemd(1), systemd-veritysetup-generator(8), veritysetup(8)

1.
Kernel dm-verity
https://docs.kernel.org/admin-guide/device-mapper/verity.html
systemd 252