A Security Architecture for Reconfigurable Networked Embedded Systems

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Executive Summary

Nowadays, Networked Embedded Systems (NESs) are required to be reconfigurable in order to be customizable to different operating environments and/or adaptable to changes in operating environment. However, re-configurability acts against security as it introduces new sources of vulnerability. In this paper, the authors propose a security architecture that integrates, enriches and extends a component-based middleware layer with abstractions and mechanisms for secure reconfiguration and secure communication. The architecture provides a secure communication service that enforces application-specific fine-grained security policy. Furthermore, in order to support secure reconfiguration at the middleware level, the architecture provides a basic mechanism for authenticated downloading from a remote source.

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