'Returns expected names from \'{cert,csr}-idnsans.pem\'.'

@classmethod
def _get_idn_names(cls):

    chars = [six.unichr(i) for i in itertools.chain(range(963, 1024), range(1601, 1788), range(6176, 6263))]
    return [(''.join(chars[i:(i + 45)]) + '.invalid') for i in range(0, len(chars), 45)]
