MAC address anonymization for crowd counting. (arXiv:2009.09876v2 [cs.CR] UPDATED) | allinfosecnews.com

Feb. 21, 2022, 2:20 a.m. | Jean-François Determe, Sophia Azzagnuni, Utkarsh Singh, François Horlin, Philippe De Doncker

cs.CR updates on arXiv.org arxiv.org

Research has shown that counting WiFi packets called probe requests (PRs)
implicitly provides a proxy for the number of people in an area. In this paper,
we discuss a crowd counting system involving WiFi sensors detecting PRs over
the air, then extracting and anonymizing their media access control (MAC)
addresses using a hash-based approach. This paper discusses an anonymization
procedure and shows time-synchronization inaccuracies among sensors and hashing
collision rates to be low enough to prevent anonymization from interfering with …

address crowd mac mac address

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