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基于电流镜的电流型PUF电路设计 被引量：1

Design of current type PUF based on current mirror
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摘要 通过对物理不可克隆函数(Physical Unclonable Functions,PUF)电路和电流镜的研究,提出一种基于电流镜的电流型PUF电路设计方案。该方案首先利用多路电流镜产生随机电流,然后使用电流型敏感放大器比较两路电流的大小,最后产生随机的输出响应。在SMIC 65nm工艺下,利用全定制方法设计PUF电路,在最小尺寸下PUF单元的版图面积为2.59μm×1.51μm。通过Spectre软件,在不同电压、温度等工作环境下进行Monte Carlo仿真验证,分析PUF电路的识别能力。实验结果表明所设计的PUF电路逻辑功能正确,且具有良好的随机性和稳定性,可广泛应用于密钥产生和设备认证等领域。 By researching the Physical Unclonable Functions（PUF） and the current mirror,a current type PUF based on current mirror is proposed.Firstly,multipath currents are generated from multiple current mirrors.Then,two path currents are chosen as the input of the current type sense amplifier.After comparing the two currents,it outputs a random state.Following the fully custom flow,PUF is designed in SMIC 65nm technology and the minimum layout area of the PUF cell is 2.59μm×1.51μm.The outputs of the PUF are analyzed via Monte Carlo simulations under various supply voltages and temperatures by the tool of Spectre.Randomness and robustness of the PUF are observed from the experiment results.It can be effectively used for secret key generation and device authentication.
作者 张学龙 汪鹏君 张跃军
机构地区 宁波大学电路与系统研究所
出处 《电路与系统学报》 北大核心 2013年第1期33-37,共5页 Journal of Circuits and Systems
基金 国家自然科学基金(61274132) 博士点基金(20113305110005) 宁波大学优秀博士学位论文培育基金(PY20100003)
关键词 物理不可克隆函数 多路电流镜 电流型敏感放大器 电路设计 physical unclonable functions multiple current mirrors current type sense amplifier circuit design
分类号 TP331 [自动化与计算机技术—计算机系统结构]
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参考文献12

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电路与系统学报
2013年 第1期

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