    # File lib/chef/win32/security.rb, line 235
          def self.initialize_security_descriptor(revision = SECURITY_DESCRIPTOR_REVISION)
            security_descriptor = FFI::MemoryPointer.new SECURITY_DESCRIPTOR_MIN_LENGTH
            unless InitializeSecurityDescriptor(security_descriptor, revision)
              Chef::ReservedNames::Win32::Error.raise!
            end
            SecurityDescriptor.new(security_descriptor)
          end