Scalability and Composability
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Cyber-Physical Systems (CPS)--cars, airplanes, power plants, and etc.--are increasingly dependent on powerful and complex hardware for higher intelligence and functionalities. However, this complex hardware may also introduce new attack vectors--hardware side-channels--which can be exploited by attackers to steal sensitive information, to disrupt timing of time critical functions that interact with the physical plants, or to break memory protection mechanisms in modern computers.
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Remote attestation provides a run-time capability for appraising system behavior and establishing trust. Using remote attestation, an appraiser requests evidence describing a target. The target responds by performing measurement to gather evidence then adds cryptographic signatures to assure integrity and authenticity. The appraiser takes the evidence and assesses the target's behavior to determine if the target is who and what it claims to be.
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The key to realizing the smart functionalities envisioned through the Internet of Things (IoT) is to securely and efficiently communicate, store, and make sense of the tremendous data generated by IoT devices. Therefore, integrating IoT with the cloud platform for its computing and big data analysis capabilities becomes increasingly important, since IoT devices are computational units with strict performance and energy constraints. However, when data is transferred among interconnected devices or to the cloud, new security and privacy issues arise.
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This project considers models for secure collaboration and contracts in a decentralized environment among parties that have not established trust. A significant example of this is blockchain programming, with platforms such as Ethereum and HyperLedger.
