def _secureEnoughString():
    return armor(sha1(randomBytes(64)).digest())[:16]
Calculate Italian social security number check digit.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/filepath.py/_secureEnoughString--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/localflavor/it/util.py/ssn_check_digit