OS Manuals

/usr/bin/cert-to-efi-sig-list

useful tools for manipulating UEFI secure boot platforms

From efitools 1.9.2.3.6-r8 (enterprise-packages), captured 2026-11-08 by running cert-to-efi-sig-list --help (exit 0). permalink

Usage: /usr/bin/cert-to-efi-sig-list [-g <guid>] <crt file> <efi sig list file>
Take an input X509 certificate (in PEM format) and convert it to an EFI
signature list file containing only that single certificate

Options:
	-g <guid>        Use <guid> as the owner of the signature. If this is not
	                 supplied, an all zero guid will be used
Options (1)
OptionDescriptionSource
-g guidUse <guid> as the owner of the signature.help + man

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.