This allows allows shortcutting measurements of the specified files and use the information from /sys/ instead. This is not too useful on its own given that "systemd-measure status" already exists which displays the current, relevant PCR values. The main difference is how "complete" the information is. "status" will detect if the measurements make any sense, and show more than PCR 11. "calculate --current" otoh only reads PCR 11 and uses that, and that's really it. This is mainly preparation for later work to add PCR signing to the tool, where usually it makes most sense to sign prepared kernel images, but for testing it's really useful to shortcut signing to the current PCR values instead
System and Service Manager
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