SBVARSIGN

Section: User Commands (1)
Updated: February 2018
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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

--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)


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
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