def _get_signature_key()

in source/frontend/controller.py [0:0]

• 6 lines of code
• 1 McCabe index (conditional complexity)

    def _get_signature_key(self, key, date_stamp, region_name, service_name):
        date = self._sign(('AWS4' + key).encode('utf-8'), date_stamp)
        region = self._sign(date, region_name)
        service = self._sign(region, service_name)
        signing = self._sign(service, 'aws4_request')
        return signing