Paper weighs current-location and query-target privacy in multi-hop radio
Original title: Location-of-interest vs. Current-location Privacy in Multi-hop Communication
Even encrypted relays can reveal that two radios communicated, exposing both origin and destination locations.
The paper studies multi-hop wireless networks in which nodes relay messages for one another. Encryption can hide message contents, but the fact of communication can still reveal the physical locations of the origin and destination. It examines the trade-off between protecting a user's current location and a location of interest, including how dummy destinations should be chosen to obfuscate queries.
- The setting is a standard multi-hop wireless radio network.
- Dummy destinations are considered as a way to obfuscate queries.
- The work is a privacy trade-off analysis, not a reported attack.
From the original article
1 min read at arxiv.orgConsider a standard multi-hop wireless radio network in which nodes relay messages for one another. While the contents of messages may be sensitive and thus encrypted, the very fact that two radios communicated can leak sensitive information about both the physical location of the origin and the physical location of the destination.
By Ryan Vogt · arxiv.org
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