sbsign --version (return code: 0)
sbsign 0.6
sbsign --help (return code: 0)
Usage: sbsign [options] --key <keyfile> --cert <certfile> <efi-boot-image>
Sign an EFI boot image for use with secure boot.
Options:
--key <keyfile> signing key (PEM-encoded RSA private key)
--cert <certfile> certificate (x509 certificate)
--detached write a detached signature, instead of
a signed binary
--output <file> write signed data to <file>
(default <efi-boot-image>.signed,
or <efi-boot-image>.pk7 for detached
signatures)