SBVARSIGN(1) User Commands SBVARSIGN(1) (NAME) sbvarsign - UEFI (SYNOPSIS) sbvarsign [] --key --cert (DESCRIPTION) (blob) SetVariable(). (OPTIONS) --engine (engine) --key ( RSA PEM) --cert ( x509) --include-attrs (attrs) --guid EFI GUID . EFI_IMAGE_SECURITY_DATABASE EFI_GLOBAL_VARIABLE . --attr . : NON_VOLATILE BOOTSERVICE_ACCESS RUNTIME_ACCESS TIME_BASED_AUTHENTICATED_WRITE_ACCESS APPEND_WRITE TIME_BASED_AUTH... . --output ( .signed) sbvarsign 0.9.5 January 2026 SBVARSIGN(1)