sbattach (1) Linux Manual Page

sbattach – UEFI secure boot detached signature tool

Synopsis

sbattach ,–attach <sigfile> <efi-boot-image>/
sbattach ,–detach <sigfile> /[,–remove/] ,<efi-boot-image>/
sbattach ,–remove <efi-boot-image>/

Description

Attach or detach a signature file to/from a boot image

Options

–attach <sigfile>

set <sigfile> as the boot image’s signature table

–detach <sigfile>

copy the boot image’s signature table to <sigfile>

–remove

remove the boot image’s signature table from the original file

–signum

signature to operate on (defaults to first)