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Worldwide deployed power grids have provided seamless unidirectional power supply of electricity for decades. Recently, diverse environmental factors (e.g., depletion of primary energy resources, climate change) and the heterogeneous nature of energy production are calling for new solutions. Accordingly, the Smart-NRG project proposes a modular and flexible system architecture, new technologies, and...
In wireless decentralized networks, security and privacy become more challenging due to stringent architecture and sometimes low-complexity constraints. Confidentiality of the transmissions is usually achieved by symmetric cryptography, which implies the distribution of identical secret keys to the legitimate nodes. Classical solutions for symmetric key distribution can be too complex from a computational...
In this paper we introduce methods that strengthen the identity of end-devices in order to prevent impersonation attacks in wireless ad hoc networks. Pseudonyms are locally generated from Received Signal Strength Indicators (RSSI) for narrow band IEEE 802.15.4 standard or Round Trip - Time of Flight (RT-ToF) measurements (optionally, along with relative clock drift estimates) for Impulse Radio - Ultra...
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