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System Security Mechanisms for Electric Vehicles and Charge Points Supporting ISO 15118 - Proposal for a Technical Guideline

Version 1.0, November 2019
: Kern, Dustin; Krauß, Christoph; Zhdanova, Maria

Fulltext ()

Darmstadt: Fraunhofer SIT, 2019, IV, 28 pp.
SIT Technical Reports, SIT-TR-2019-04
ISSN: 2192-8169
Bundesministerium fur Wirtschaft und Energie BMWi (Deutschland)
Datensicherheit und -integrität in der Elektromobilität beim Laden und eichrechtskonformen Abrechnen
Report, Electronic Publication
Fraunhofer SIT ()

This technical guideline provides recommendations for the secure operation of an emobility charging infrastructure. The focus is on system security of the Electric Vehicle (EV) and Charge Point (CP) / Electric Vehicle Supply Equipment (EVSE), with their respective communication control units, the Electric Vehicle Communication Controller (EVCC) and the Supply Equipment Communication Controller (SECC), as well as the secure usage of their communication protocols. Both systems are required to be equipped with a Hardware Security Module (HSM), providing a hardware trust anchor for secure storage and usage of their corresponding private credentials. The trust anchor is also used to provide more advanced security features like software integrity validation or secure firmware updates. Additional recommendations are given, aiming to increase the security of the communication between EVCC and SECC using ISO 15118 [10] as well as the backend communication of the SECC.