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- W2971713817 abstract "The openness of indoor WiFi networks makes it prone to spoofing attacks and password leakage/sharing, where undesired users may be able to access the network resources. The fundamental reason is that the actual communication range is much larger than the valid authentication range, leaving undesired users the same chance to access the network from invalid authentication ranges. The existing works exploit various features of wireless signals to identify legitimate/undesired users. Either frequent measurement/learning of signal features or hardware modifications are required. In this paper, we identify visible light (VL) as a good indicator to distinguish the positions of the accessing users due to its frequency diversity. Based on this observation, we propose VL-Auth, a novel Authentication framework based on VL for indoor WiFi networks, which uses the VL features as credentials to authenticate WiFi users. VL-Auth can be easily installed on commercial-off-the-shelf (COTS) devices and do not require frequent measurement/learning of the VL features. We implement VL-Auth with OpenWrt and Android devices. The evaluation results show that compared to the existing works, VL-Auth can accurately identify legitimate/undesired users and the connection delay is also reduced." @default.
- W2971713817 created "2019-09-12" @default.
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- W2971713817 date "2019-06-01" @default.
- W2971713817 modified "2023-09-24" @default.
- W2971713817 title "Towards Fast and Reliable WiFi Authentication by Utilizing Visible Light Diversity" @default.
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- W2971713817 doi "https://doi.org/10.1109/sahcn.2019.8824935" @default.
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