This is the command sbsiglist 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
sbsiglist - Create EFI_SIGNATURE_LIST signature databases
SYNOPSIS
sbsiglist [options] --owner <guid> --type <type> <sig-file>
DESCRIPTION
Create an EFI_SIGNATURE_LIST from a signature file Options:
--owner <guid>
Signature owner GUID
--type <type>
Signature type. One of: x509 sha256
--output <file>
write signed data to <file> (default <sig-file>.siglist)
Use sbsiglist online using onworks.net services