sbvarsign - Man Page
UEFI authenticated variable signing tool
Synopsis
sbvarsign [options] --key <keyfile> --cert <certfile> <var-name> <var-data-file>
Description
Sign a blob of data for use in SetVariable().
Options
- --engine <eng>
use the specified engine to load the key
- --key <keyfile>
signing key (PEM-encoded RSA private key)
- --cert <certfile>
certificate (x509 certificate)
- --include-attrs
include attrs at beginning of output file
- --guid <GUID>
EFI GUID for the variable. If omitted, EFI_IMAGE_SECURITY_DATABASE or EFI_GLOBAL_VARIABLE (depending on <var-name>) will be used.
- --attr <attrs>
variable attributes. One or more of: NON_VOLATILE BOOTSERVICE_ACCESS RUNTIME_ACCESS TIME_BASED_AUTHENTICATED_WRITE_ACCESS APPEND_WRITE
- Separate multiple attrs with a comma,
default is all attributes, TIME_BASED_AUTH... is always included.
- --output <file>
write signed data to <file> (default <var-data-file>.signed)
Info
August 2024 sbvarsign 0.9.5