<p>Wireless On-board diagnostics functionality, which is a future outlook to vehicle system </p><p>parameter analysis, enables measurements and controlling without the limitation of a physical </p><p>connector. Today every vehicle must by law provide the possibility to analyze engine and </p><p>emission related parameters (OBD II). The wireless connection requires a high security level </p><p>to prevent unauthorized communication establishment with the truck’s bus system. The aim </p><p>of the project is to make a survey of the available security mechanisms and to find the most </p><p>promising solutions. Furthermore, several usage scenarios and access right levels are </p><p>specified and a risk analysis of the whole system is made. The greatest challenge is the </p><p>specification and implementation of a proper key-exchange mechanism between the analyzing </p><p>device and the truck’s bus system, which is therefore carried out with the highest possible </p><p>level of awareness. Consequently several different concepts have been formulated based on </p><p>the different usage scenarios.</p>

Wireless On-board diagnostics functionality, which is a future outlook to vehicle system parameter analysis, enables measurements and controlling without the limitation of a physical connector. Today every vehicle must by law provide the possibility to analyze engine and emission related parameters (OBD II). The wireless connection requires a high security level to prevent unauthorized communication establishment with the truck’s bus system. The aim of the project is to make a survey of the available security mechanisms and to find the most promising solutions. Furthermore, several usage scenarios and access right levels are specified and a risk analysis of the whole system is made. The greatest challenge is the specification and implementation of a proper key-exchange mechanism between the analyzing device and the truck’s bus system, which is therefore carried out with the highest possible level of awareness. Consequently several different concepts have been formulated based on the different usage scenarios.