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Practicality Of Accelerometer Side Channels On Smartphones

Practicality Of Accelerometer Side Channels On Smartphones
Posted Jan 31, 2013
Authored by Matt Blaze, Adam J. Aviv, Benjamin Sapp, Jonathan M. Smith

Modern smartphones are equipped with a plethora of sensors that enable a wide range of interactions, but some of these sensors can be employed as a side channel to surreptitiously learn about user input. In this paper, the authors show that the accelerometer sensor can also be employed as a high-bandwidth side channel; particularly, we demonstrate how to use the accelerometer sensor to learn user tap and gesture-based input as required to unlock smartphones using a PIN/password or Android's graphical password pattern.

tags | paper
SHA-256 | b36715f052367ed9e7831c08a743263d5a554a959e5c0fc9a1237b419a10bb1a
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