TouchKey-Reference-Cited by-同舟云学术

TouchKey

Published:2023-06-12 Issue:2 Volume:7 Page:1-21
ISSN:2474-9567
Container-title:Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
language:en
Short-container-title:Proc. ACM Interact. Mob. Wearable Ubiquitous Technol.

Author:

Miao Yuchen¹^ORCID,Gu Chaojie¹^ORCID,Yan Zhenyu²^ORCID,Chau Sze Yiu²^ORCID,Tan Rui³^ORCID,Lin Qi⁴^ORCID,Hu Wen⁵^ORCID,He Shibo¹^ORCID,Chen Jiming¹^ORCID

Affiliation:

1. Zhejiang University, China

2. The Chinese University of Hong Kong, China

3. Nanyang Technological University, Singapore

4. Uppsala University, Sweden

5. University of New South Wales, Australia

Abstract

Secure device pairing is important to wearables. Existing solutions either degrade usability due to the need of specific actions like shaking, or they lack universality due to the need of dedicated hardware like electrocardiogram sensors. This paper proposes TouchKey, a symmetric key generation scheme that exploits the skin electric potential (SEP) induced by powerline electromagnetic radiation. The SEP is ubiquitously accessible indoors with analog-to-digital converters widely available on Internet of Things devices. Our measurements show that the SEP has high randomness and the SEPs measured at two close locations on the same human body are similar. Extensive experiments show that TouchKey achieves a high key generation rate of 345 bit/s and an average success rate of 99.29%. Under a range of adversary models including active and passive attacks, TouchKey shows a low false acceptance rate of 0.86%, which outperforms existing solutions. Besides, the overall execution time and energy usage are 0.44 s and 2.716 mJ, which make it suitable for resource-constrained devices.

Funder

Ministry of Education, Singapore

Research Grants Council (RGC) of Hong Kong, China

State Key Laboratory of Industrial Control Technology, Zhejiang University, China

National Science Foundation of China

Publisher

Association for Computing Machinery (ACM)

Subject

Computer Networks and Communications,Hardware and Architecture,Human-Computer Interaction

Link

https://dl.acm.org/doi/pdf/10.1145/3596264

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