基于智能手表运动传感器的新型攻击及其防范

doi:10.11959/j.issn.1000-436x.2015304

Abstract

Abstract:

Smart watch shipped with various embedded motion sensors,such as the accelerometer and gyroscope.Smart watch can follow the movement of hand to recognize the corresponding displacement,so that others can steal user’s external keyboard input through smart watches.The feasibility of intelligent device based on 6 axis accelerometer/gyroscope to infer the user’s keyboard input was researched,and the user’s keyboard input kinematic model for motion classification recognition was established.When users perform sensitive inputting,such as passwords inputting on digital keyboard,the passwords according to sensor information can be deduced.The results show that the approach can effectively recognize the PIN code on keyboard,which absolutely prove the seriousness of this safety problem.

Key words: smart watch, motion sensor, accelerometer sensor, gyroscope sensor, information leakage

Chen-guang SONG,Jian-wei LIU,Qian-hong WU,Zhen-yu GUAN. New attack based on smartwatch motion sensors and the protection method research[J]. Journal on Communications, 2015, 36(Z1): 235-242.

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References 22

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分类	设备型号	传感器型号
智能手机	MI Note	MPU-6050
	Galaxy S6	MPU-6500
智能手表	Apple Watch	MPU-6700
	Moto 360	MPU-6051

轨迹图	10.11959/j.issn.1000-436x.2015304.F011	10.11959/j.issn.1000-436x.2015304.F012	10.11959/j.issn.1000-436x.2015304.F013
真实输入	1321	1992	2468
识别结果	1321 4654 7987	1992	2468
轨迹图	10.11959/j.issn.1000-436x.2015304.F014	10.11959/j.issn.1000-436x.2015304.F015	10.11959/j.issn.1000-436x.2015304.F016
真实输入	3741	4239	5732
识别结果	3741	4236 7539 7569	5721
轨迹图	10.11959/j.issn.1000-436x.2015304.F017	10.11959/j.issn.1000-436x.2015304.F018	10.11959/j.issn.1000-436x.2015304.F019
真实输入	6865	7623	9731
识别结果	6865 5754 2421 3532	7623	9731

New attack based on smartwatch motion sensors and the protection method research

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References 22

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