The road towards private proximity services

Conference paper (2019)

Authors

Michael Haus Technische Universität München
Jörg Ott Technische Universität München
Copyright: © 2019 Michael Haus, Aaron Yi Ding, Jorg Ott
DOI: https://doi.org/10.1109/WoWMoM.2019.8793013
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Published Date

2019

Language

English

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Abstract

Towards private proximity services we realized a set of proximity services at different spatial resolutions. For small-scale (0.5 m) securing remote access to smart homes and for mid-scale (10-20 m) to manage nearby Internet of Things (IoT) devices and offer fine-grained service discovery in indoor environments. Regarding large-scale services (100 m) we implemented a device grouping via similarity of light patterns ambient sound Wi-Fi signals and ultrasound communication which is naturally restricted by spatial barriers. To improve user's privacy from a system point of view we analyzed different security mechanisms in the domain of device-to-device (D2D) communication such as access control location privacy. Based on visible light communication (VLC) we are implemented and tested a system for private indoor service discovery and distance-bounding authorization. Furthermore we examined the feasibility of homomorphic encryption for time-series data like visible light patterns.

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