Even if the question of manipulation protection is not always widely understood to date among some non-European vehicle manufacturers, this topic plays a particularly critical role among German premium vehicle manufacturers. As soon as the ignition key is turned, a number of electronic controllers (ECUs) start performing authentication queries by means of a challenge-response method (based among other things on the 128-bit AES standard). Both the necessary security keys and the process of data evaluation and processing must be protected from possible attacks. Based on the Secure Hardware Extension (SHE) of the latest 90 nm 32-bit TriCore(TM) microcontroller generations, the future extension to the Hardware Security Module (HSM) is described for components based on the incoming 65 nm technology. The concept for this enhancement is based on work carried out in the framework of the European research project EVITA (www.evitaproject.org).
Secure Microprocessor Architectures: Solutions from the Semi-Conductor Industry
2012
13 Seiten
Aufsatz (Konferenz)
Englisch
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