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Optimal Derotation of Shared Acceleration Time Series by Determining Relative Spatial Alignment
Detecting if two or multiple devices are moved together is an interesting problem for different applications. However, these devices …
René Mayrhofer, Helmut Hlavacs, Rainhard Dieter Findling
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Orientation Independent Cell Phone Based Gait Authentication
Gait authentication using a cell phone based accelerometer sensor offers an unobtrusive, user-friendly, and periodic way of …
Muhammad Muaaz, René Mayrhofer
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ShakeUnlock: Securely Unlock Mobile Devices by Shaking them Together
ABSTRACT The inherent weakness of typical mobile device unlocking approaches (PIN, password, graphic pattern) is that they demand time …
Rainhard D. Findling, Muhammad Muaaz, Daniel Hintze, René Mayrhofer
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A Practical Hardware-Assisted Approach to Customize Trusted Boot for Mobile Devices
Javier González, Michael Hölzl, Peter Riedl, Philippe Bonnet, René Mayrhofer
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Diversity in Locked and Unlocked Mobile Device Usage
We analyze locked and unlocked mobile device usage of 1960 Android smartphones. Based on approximately 10TB of mobile device data logs …
Daniel Hintze, Rainhard D. Findling, Muhammad Muaaz, Sebastian Scholz, René Mayrhofer
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(Ab)using foreign VMs: Running Java Card Applets in non-Java Card Virtual Machines
Michael Roland, Josef Langer, René Mayrhofer
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An Analysis Of Different Approaches To Gait Recognition Using Cell Phone Based Accelerometer
Muhammad Muaaz, René Mayrhofer
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Range Face Segmentation: Face Detection and Segmentation for Authentication in Mobile Device Range Images
Face detection (finding faces of different perspectives in images) is an important task as prerequisite to face recognition. This is …
Rainhard Findling, Fabian Wenny, Clemens Holzmann, René Mayrhofer
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Requirements for an Open Ecosystem for Embedded Tamper Resistant Hardware on Mobile Devices
Insufficient security and privacy on mobile devices have made it difficult to utilize sensitive systems like mobile banking, mobile …
Michael Hölzl, René Mayrhofer, Michael Roland
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Visualizations and Switching Mechanisms for Security Zones
Peter Riedl, Phillip Koller, René Mayrhofer, Matthias Kranz, Andreas Möller, Marion Koelle
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