3 papers
cs.CR2023
Side Auth: Synthesizing Virtual Sensors for Authentication
Yan Long, Kevin Fu
While the embedded security research community aims to protect systems by reducing analog sensor side channels, our work argues that sensor side channels can be beneficial to defen…
cs.CR2023
Side Eye: Characterizing the Limits of POV Acoustic Eavesdropping from Smartphone Cameras with Rolling Shutters and Movable Lenses
Yan Long, Pirouz Naghavi, Blas Kojusner +3
Our research discovers how the rolling shutter and movable lens structures widely found in smartphone cameras modulate structure-borne sounds onto camera images, creating a point-o…
cs.CR2022
Private Eye: On the Limits of Textual Screen Peeking via Eyeglass Reflections in Video Conferencing
Yan Long, Chen Yan, Shilin Xiao +3
Using mathematical modeling and human subjects experiments, this research explores the extent to which emerging webcams might leak recognizable textual and graphical information gl…