CueVR: Studying the Usability of Cue-based Authentication for Virtual Reality

CueVR: Studying the Usability of Cue-based Authentication for Virtual Reality
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CueVR:研究基于提示的虚拟现实身份验证的可用性

DOI:
10.1145/3531073.3531092
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发表时间:
2022
期刊:
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通讯作者:
Abdelrahman Y
Abdelrahman Y
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作者:
Abdelrahman Y

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现有的虚拟现实(VR)认证方案要么速度慢,要么容易受到观察攻击。我们提出了CueVR,一个基于线索的认证方案,是弹性的观察攻击的设计,因为重要的线索是随机生成的,只有用户体验VR环境可见。我们通过深入的可用性研究(N=20)调查了三种不同的输入方式,结果表明,虽然使用CueVR的身份验证比不太安全的基线慢,但它比现有的基于观察弹性提示的方案和VR方案(输入4位数PIN的时间为4.151 s - 7.025 s)更快。我们的研究结果还表明,使用控制器的触控板显着优于使用空中手势输入。最后,我们讨论了视觉提示如何在保持高可用性的同时增强VR认证的安全性。此外,我们展示了现有的现实世界的认证方案结合VR的独特特性,可以推进未来的VR认证程序。
Existing virtual reality (VR) authentication schemes are either slow or prone to observation attacks. We propose CueVR, a cue-based authentication scheme that is resilient against observation attacks by design since vital cues are randomly generated and only visible to the user experiencing the VR environment. We investigate three different input modalities through an in-depth usability study (N=20) and show that while authentication using CueVR is slower than the less secure baseline, it is faster than existing observation resilient cue-based schemes and VR schemes (4.151 s – 7.025 s to enter a 4-digit PIN). Our results also indicate that using the controllers’ trackpad significantly outperforms input using mid-air gestures. We conclude by discussing how visual cues can enhance the security of VR authentication while maintaining high usability. Furthermore, we show how existing real-world authentication schemes combined with VR’s unique characteristics can advance future VR authentication procedures.
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