Abstract
Cyber-physical systems (CPS) built on a Rich operating systems with varied applications running on it are the norm today. In order to provide a rich experience, the applications running on the CPS would want access to the myriad of hardware interfaces which are architected into them. Security of the embedded cyber_x0002_physical system is compromised by this limitless access requested by the applications to various hardware interfaces on the device as well as user data. Recognizing this problem, diverse solutions have been proposed on different topologies, by using either a standards based approach or not. In this paper, we present a technique that proposes HW/SW architecture for securing an embedded cyber physical system using the concepts of RED-BLACK separation. While the implementation of RED-BLACK separation is introduced in military communication devices, this concept has not yet taken hold in other high-end embedded cyber physical systems. The proposed architecture can be easily adopted across a broad spectrum of platforms linked to CPS, but not limited to, such as communication, space systems, medical devices, energy conservation etc. The results show that the proposed framework was successfully validated on a working system and achieved on the fly configurability as desired by the proposed architecture.
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