SBVARSIGN(1) User Commands SBVARSIGN(1)
NAME
sbvarsign - 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_DATA-
BASE or EFI_GLOBAL_VARIABLE (depending on <var-name>) will be
used.
--attr <attrs>
variable attributes. One or more of: NON_VOLATILE BOOTSER-
VICE_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 in-
cluded.
--output <file>
write signed data to <file> (default <var-data-file>.signed)
sbvarsign 0.9.4 November 2021 SBVARSIGN(1)
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