def strip_ccmp(self, idx):
ccmp_extiv = None<EOL>if len(self._packet[idx:]) >= <NUM_LIT:8>:<EOL><INDENT>raw_bytes = self._packet[idx:idx + <NUM_LIT:8>]<EOL>ccmp_extiv, = struct.unpack_from('<STR_LIT>', raw_bytes, <NUM_LIT:0>)<EOL><DEDENT>return <NUM_LIT:8>, ccmp_extiv<EOL>
strip(8 byte) wlan.ccmp.extiv
        CCMP Extended Initialization Vector
        :return: int
            number of processed bytes
        :return: ctypes.raw
            ccmp vector