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

Figure 14

The clock offset and fingerprint of ECU in different evaluation settings. (a) The clock offset of ECUs at 20°C. (b) The fingerprints of ECUs with T = 50 ms. (c) The error bar of fingerprints with T = 50 ms. (d) The fingerprints of the real vehicle. (e) The fingerprints of ECUs with T = 20 ms. (f) The error bar of fingerprints with T = 20 ms.

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