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Hui Zhu, Xiaodong Lin, Yun Zhang and Rongxing Lu Duth: a user-friendly dual-factor authentication for Android smartphone devices Security and Communication Networks 8

Version of Record online: 21 JUL 2014 | DOI: 10.1002/sec.1075

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In this paper, without adding extra hardware devices, we present a user-friendly, dual-factor authentication scheme, called Duth, for smartphones. Duth scheme is characterized by utilizing the spatial and time features of the user's writing process as two factors of authentication, and a user can be authenticated only if these two features are fulfilled. We implement Duth on a popular mobile platform, Android, and extensive experiments show that Duth can achieve efficient and effective dual-factor authentication.

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