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Automotive in-vehicle systems are distributed systems consisting of multiple ECUs (Electronic Control Units) interconnected with a broadcast network such as FlexRay. Message authentication is an effective mechanism to prevent attackers from injecting malicious messages into the network. In order to reduce timing interference of message authentication operations on application tasks, hardware coprocessors...
In this paper, we propose SAFE (Security Aware FlexRay scheduling Engine), to provide a problem definition and a design framework for FlexRay static segment schedule to address the new challenge on security. From a high level specification of the application, the architecture and communication middleware are synthesized to satisfy security requirements, in addition to extensibility, costs, and end-to-end...
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