def Z(self):
        if not self.timezone:
            return 0
        offset = self.timezone.utcoffset(self.data)
        # `offset` is a datetime.timedelta. For negative values (to the west of
        # UTC) only days can be negative (days=-1) and seconds are always
        # positive. e.g. UTC-1 -> timedelta(days=-1, seconds=82800, microseconds=0)
        # Positive offsets have days=0
        return offset.days * 86400 + offset.seconds
Naive RSA decryption. NOT const. time.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/utils/dateformat.py/DateFormat.Z--crossover with--dataset/ETHPy150Open gdanezis/petlib/examples/toyrsa.py/dec