Man page - sbattach(1)
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Manual
SBATTACH
NAMESYNOPSIS
DESCRIPTION
OPTIONS
NAME
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)