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@inproceedings{1408306, author = {Němec, Lukáš and Ošťádal, Radim and Matyáš, Václav and Švenda, Petr}, address = {Cham, Switzerland}, booktitle = {Security Protocols XXVI: 26th International Workshop}, doi = {http://dx.doi.org/10.1007/978-3-030-03251-7_9}, keywords = {entropy extraction; key extraction; link key update; secrecy amplification; wireless sensor networks}, howpublished = {tištěná verze "print"}, language = {eng}, location = {Cham, Switzerland}, isbn = {978-3-030-03250-0}, pages = {84-92}, publisher = {Springer International Publishing}, title = {Entropy crowdsourcing - protocols for link key updates in wireless sensor networks}, url = {https://link.springer.com/chapter/10.1007/978-3-030-03251-7_9}, year = {2018} }
TY - JOUR ID - 1408306 AU - Němec, Lukáš - Ošťádal, Radim - Matyáš, Václav - Švenda, Petr PY - 2018 TI - Entropy crowdsourcing - protocols for link key updates in wireless sensor networks PB - Springer International Publishing CY - Cham, Switzerland SN - 9783030032500 KW - entropy extraction KW - key extraction KW - link key update KW - secrecy amplification KW - wireless sensor networks UR - https://link.springer.com/chapter/10.1007/978-3-030-03251-7_9 N2 - In this work, we propose a completely different design of key distribution protocols for ad-hoc networks of nodes with restricted resources, wireless sensor networks (WSNs). Earlier research on so-called secrecy amplification (SA) for WSNs went with the discrete “take it or leave it” design – either the newly transferred key components got to their destination securely, or the attacker learned their values. And as the SA measures are probabilistic and preventive in nature, no-one but the attacker knew what the attacker learned (and when Mallory learned a key component, she obviously did not push for the fail-deadly trigger). We propose to combine vanilla secrecy amplification with key extraction from the radio channel, coming up with a novel method to produce and deliver key updates to individual link keys. ER -
NĚMEC, Lukáš, Radim OŠŤÁDAL, Václav MATYÁŠ and Petr ŠVENDA. Entropy crowdsourcing - protocols for link key updates in wireless sensor networks. In \textit{Security Protocols XXVI: 26th International Workshop}. Cham, Switzerland: Springer International Publishing, 2018, p.~84-92. ISBN~978-3-030-03250-0. Available from: https://dx.doi.org/10.1007/978-3-030-03251-7\_{}9.
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