This is the command sbvarsign that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
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)
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