TY - GEN
T1 - High-Speed and Reconfigurable Physical Unclonable Functions Based on SOT-MTJ Array
AU - Hou, Zhengyi
AU - Wang, Min
AU - Yin, Jialiang
AU - Shi, Kewen
AU - Wang, Bi
AU - Zhao, Yuanfu
AU - Wang, Zhaohao
N1 - Publisher Copyright:
© 2023 IEEE.
PY - 2023
Y1 - 2023
N2 - Physical unclonable functions (PUFs) have been investigated as hardware security primitives for various applications such as anticounterfeiting, authentication, and secret key generation, owing to their high unpredictability. Compared with silicon PUFs, spin-orbit torque PUFs (SOT-PUFs) have drawn more attention, attributed to the advantages including low power consumption and non-volatility. However, SOT-PUFs suffer from the limited challenge-response pairs space, the external magnetic field and high setting current. In this paper, we propose a reconfigurable PUF (rPUF) based on the Type-Y SOT-array, which features high speed, pure-electrical control and reconfigurability. The proposed rPUF presents great randomness as the mean-value of the 0/1 distribution and entropy are calculated to be 0.4953 and 0.96095, respectively. Meanwhile, the normalized hamming distance in the case of 100 refreshes achieves 49.66%, which demonstrates great reconfigurability. Our work verifies the feasibility and randomness of rPUF based on the Type-Y SOT-array by the simulation and experiment, which provides robustness against the manufacturing variation and broadens the reliability of SOT-PUF applications.
AB - Physical unclonable functions (PUFs) have been investigated as hardware security primitives for various applications such as anticounterfeiting, authentication, and secret key generation, owing to their high unpredictability. Compared with silicon PUFs, spin-orbit torque PUFs (SOT-PUFs) have drawn more attention, attributed to the advantages including low power consumption and non-volatility. However, SOT-PUFs suffer from the limited challenge-response pairs space, the external magnetic field and high setting current. In this paper, we propose a reconfigurable PUF (rPUF) based on the Type-Y SOT-array, which features high speed, pure-electrical control and reconfigurability. The proposed rPUF presents great randomness as the mean-value of the 0/1 distribution and entropy are calculated to be 0.4953 and 0.96095, respectively. Meanwhile, the normalized hamming distance in the case of 100 refreshes achieves 49.66%, which demonstrates great reconfigurability. Our work verifies the feasibility and randomness of rPUF based on the Type-Y SOT-array by the simulation and experiment, which provides robustness against the manufacturing variation and broadens the reliability of SOT-PUF applications.
KW - Physical Unclonable Function
KW - Reconfigurability
KW - Spin-Orbit Torque
UR - https://www.scopus.com/pages/publications/85182021391
U2 - 10.1109/NMDC57951.2023.10344123
DO - 10.1109/NMDC57951.2023.10344123
M3 - 会议稿件
AN - SCOPUS:85182021391
T3 - 2023 IEEE Nanotechnology Materials and Devices Conference, NMDC 2023
SP - 141
EP - 144
BT - 2023 IEEE Nanotechnology Materials and Devices Conference, NMDC 2023
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 18th IEEE Nanotechnology Materials and Devices Conference, NMDC 2023
Y2 - 22 October 2023 through 25 October 2023
ER -