Improving RO PUF design using frequency distribution characteristics

IEICE Electronics Express

Chenghua Wang²  Yijun Cui²  Máire O’Neill¹  Yifei Yu²  Weiqiang Liu² 

[1] Centre for Secure Information Technologies (CSIT), ECIT, Queens University Belfast;The Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics

关键词: physical unclonable function;    RO PUF;    comparison strategies;    entropy density;   

DOI  :  10.1587/elex.12.20141043

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

References(9)A Physical Unclonable Function (PUF) can be used to provide authentication of devices by producing die-unique responses. In PUFs based on ring oscillators (ROs) the responses are derived from the oscillation frequencies of the ROs. However, RO PUFs can be vulnerable to attack due to the frequency distribution characteristics of the RO arrays. In this letter, in order to improve the design of RO PUFs for FPGA devices, the frequencies of RO arrays implemented on a large number of FPGA chips are statistically analyzed. Three RO frequency distribution (ROFD) characteristics, which can be used to improve the design of RO PUFs are observed and discussed.

【 授权许可】

Unknown