FWIW current default in authtoken is tempfile.mkdtemp(prefix='keystone-signing-') so best is not to set signing_dir parameter and leave to authtoken to generate a tempdir which should be safe and secure.
FWIW current default in authtoken is tempfile. mkdtemp( prefix= 'keystone- signing- ') so best is not to set signing_dir parameter and leave to authtoken to generate a tempdir which should be safe and secure.