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首页> 外文期刊>The Journal of Systems and Software >Touch gesture-based authentication on mobile devices: The effects of user posture, device size, configuration, and inter-session variability
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Touch gesture-based authentication on mobile devices: The effects of user posture, device size, configuration, and inter-session variability

机译：在移动设备上基于触摸手势的身份验证：用户姿势，设备大小，配置和会话间可变性的影响

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Touch dynamics is a behavioral biometric that authenticates users by analyzing the characteristics of the touch gestures executed on mobile devices. Current research in this field has mostly focused on identifying the best algorithms and attributes to improve authentication performance. However, such systems must also be resilient against environmental variables.In this paper, we demonstrate that the user's posture, device size and configuration have a significant impact on the performance of touch-based authentication systems. Our results indicate that authentication accuracy increases with the device size. Furthermore, we conclude that using a device's 3-D orientation is necessary to attain better authentication performance. Our findings indicate that the features used in state-of-the-art touch-based authentication systems are insufficient to provide constant, reliable performance when any of the studied environmental variables change. With this paper, we release a new data set. Unlike the currently publicly available touch-based authentication datasets, our collection protocols control for all the studied variables. Our research study demonstrates threats to validity that noisy environmental conditions introduce to these currently available public datasets.This work is an extension of a previous publication. Presented user authentication approaches are unique and may have immediate benefits to the development of better touch-based authentication systems. (C) 2018 Published by Elsevier Inc.
机译：触摸动力学是一种行为生物特征，可通过分析在移动设备上执行的触摸手势的特征来对用户进行身份验证。该领域的当前研究主要集中在确定最佳算法和属性以提高认证性能上。但是，此类系统还必须具有抵御环境变量的能力。在本文中，我们证明了用户的姿势，设备大小和配置对基于触摸的身份验证系统的性能具有重大影响。我们的结果表明，身份验证准确性随设备尺寸的增加而增加。此外，我们得出结论，必须使用设备的3D方向以获得更好的身份验证性能。我们的发现表明，当研究的任何环境变量发生变化时，最新的基于触摸的身份验证系统中使用的功能不足以提供恒定，可靠的性能。通过本文，我们发布了一个新的数据集。与当前公开可用的基于触摸的身份验证数据集不同，我们的收集协议控制所有研究的变量。我们的研究表明，嘈杂的环境条件给这些当前可用的公共数据集带来了对有效性的威胁。这项工作是对先前出版物的扩展。提出的用户身份验证方法是唯一的，并且可能会为开发更好的基于触摸的身份验证系统带来直接好处。 （C）2018由Elsevier Inc.发布

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