Advanced Temperature-Varied ECU Fingerprints for Source Identification and Intrusion Detection in Controller Area Networks

Algorithm 2

Masquerade attack detection.

	Require:: a set of timestamp sequence of new arrival messages with that are sent from ECU ;
	: the empirical temperature of ECU at the moment;
	the standard deviation of ECU average clock offset distribution at the temperature of .
	Ensure: periodic message with the period of T.
(1)
(2)
(3)
(4)
(5)	end for
(6)	Average offset
(7)
(8)	ifthen
(9)	return 1 Intrusion message
(10)	else
(11)	return 0
(12)	end if