Flexible and Wearable Encryption Primitive Based on Optical Physically Unclonable Functions

被引:0
|
作者
Kim, Min Seong [1 ]
Kang, Min Hyung [2 ]
Kim, Jun Soo [1 ]
Hong, Young Kyu [2 ]
Lee, Gil Ju [1 ]
机构
[1] Pusan Natl Univ, Dept Elect Engn, Busan 46241, South Korea
[2] Korea Elect Technol Inst, Smart Media Res Ctr, Jeonju Si 54853, South Korea
关键词
Ag paste tag; flexible device encryption primitive; optical PUF; screen-printing; DEVICES;
D O I
10.1109/JSTQE.2023.3345178
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
According to explosive and rapid development of flexible circuit technology, massive demand for wearable devices has arisen. Furthermore, wearable devices with integrated smartphones have contributed to a potential influence on online banking, digital healthcare service, and digital personal identification. This all-in-one device enables user to experience enhanced convenience; however, it also entails the inherent risk of cyber infiltration. A single successful hack into the device could endanger the security of user. Therefore, it is imperative to implement robust encryption and authentication mechanisms within wearable devices. Herein, we suggest a flexible and wearable encryption primitive based on an optical physically unclonable function which has a high capability of being embedded into a wearable device. Stochastic and unpredictable process-driven security concept, physically unclonable function (PUF) can operate as a solid identifier against online and offline intrusion. The physically unclonable tag consists of screen-printed Ag on the polyimide. The micro-scaled morphological characteristics of Ag-paste tag (APT) diverge as the fabrication step is repeated. In terms of PUF appliance potential (i.e., uniformity, reproducibility, uniqueness, and randomness) and real-case demonstration results (i.e., sensor-attached and smartphone-integrated operation) manifest that the APT functions as a strong encryption system embedded in a wearable device.
引用
收藏
页码:1 / 8
页数:8
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