3D-Auth: Two-Factor Authentication with Personalized 3D-Printed Items
3D-Auth: Two-Factor Authentication with Personalized 3D-Printed Items
复制标题
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:
影响因子:
--
通讯作者:
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
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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