SBSIGN(1) User Commands SBSIGN(1) NAME sbsign - UEFI secure boot signing tool SYNOPSIS sbsign [options] --key --cert DESCRIPTION Sign an EFI boot image for use with secure boot. OPTIONS --engine use the specified engine to load the key --key signing key (PEM-encoded RSA private key) --cert certificate (x509 certificate) --addcert additional intermediate certificates in a file --detached write a detached signature, instead of a signed binary --output write signed data to (default .signed, or .pk7 for detached signatures) sbsign 0.9.5 March 2023 SBSIGN(1)