Canopy: A Verifiable Privacy-Preserving Token Ring based Communication Protocol for Smart Homes

• URL: http://arxiv.org/abs/2004.03841v1
• Date: Wed, 8 Apr 2020 06:57:01 GMT
• Title: Canopy: A Verifiable Privacy-Preserving Token Ring based Communication Protocol for Smart Homes
• Abstract summary: We develop techniques that are based on a cryptographically secure token circulation in a ring network consisting of smart home devices. The solution hides the device activity and corresponding channel activities, and thus, preserve the individual's activities.
• Score: 10.744387940645712
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: This paper focuses on the new privacy challenges that arise in smart homes. Specifically, the paper focuses on inferring the user's activities -- which may, in turn, lead to the user's privacy -- via inferences through device activities and network traffic analysis. We develop techniques that are based on a cryptographically secure token circulation in a ring network consisting of smart home devices to prevent inferences from device activities, via device workflow, i.e., inferences from a coordinated sequence of devices' actuation. The solution hides the device activity and corresponding channel activities, and thus, preserve the individual's activities. We also extend our solution to deal with a large number of devices and devices that produce large-sized data by implementing parallel rings. Our experiments also evaluate the performance in terms of communication overheads of the proposed approach and the obtained privacy.

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