3D-Auth: Two-Factor Authentication with Personalized 3D-Printed Items

3D-Auth: Two-Factor Authentication with Personalized 3D-Printed Items
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3D-Auth:个性化 3D 打印物品的双因素身份验证

DOI:
10.1145/3313831.3376189
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发表时间:
2020
期刊:
Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems
影响因子:
--
通讯作者:
Max Mühlhäuser
Max Mühlhäuser
中科院分区:
--
文献类型:
--
作者:
Karola Marky;Martin Schmitz;Verena Zimmermann;Martin Herbers;Kai Kunze;Max Mühlhäuser

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双因素身份验证是一种广泛推荐的安全机制,已为不同的服务提供。然而,已知的方法和物理实现表现出相当大的可用性和定制化问题。在本文中,我们提出了一种新的双因素认证概念3D-Auth。3D-AUTH基于可定制的3D打印项目,这些项目将两个身份验证因素结合到一个对象中。物体底部包含一个统一的导电点网格,这些导电点连接到物品内部独特的嵌入结构。基于与物品的交互,不同的点变成接触点,形成身份验证模式。这种图案可以通过电容式触摸屏识别。基于专家设计研究,我们提出了一个包含六类可能的认证交互的交互空间。在用户研究中,我们论证了3D-Auth项目的可行性,并表明这些项目易于使用,交互易于记忆。
Two-factor authentication is a widely recommended security mechanism and already offered for different services. However, known methods and physical realizations exhibit considerable usability and customization issues. In this paper, we propose 3D-Auth, a new concept of two-factor authentication. 3D-Auth is based on customizable 3D-printed items that combine two authentication factors in one object. The object bottom contains a uniform grid of conductive dots that are connected to a unique embedded structure inside the item. Based on the interaction with the item, different dots turn into touch-points and form an authentication pattern. This pattern can be recognized by a capacitive touchscreen. Based on an expert design study, we present an interaction space with six categories of possible authentication interactions. In a user study, we demonstrate the feasibility of 3D-Auth items and show that the items are easy to use and the interactions are easy to remember.
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