基于65 nm工艺的多端口可配置PUF电路设计

李刚; 汪鹏君; 张跃军; 钱浩宇

doi:10.11999/JEIT150968

基于65 nm工艺的多端口可配置PUF电路设计

doi: 10.11999/JEIT150968

基金项目:

国家自然科学基金(61474068, 61274132)，浙江省自然科学基金(LQ14F040001)，浙江省教育厅项目(Y201430798)

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- 被引次数: 0
出版历程
- 收稿日期: 2015-08-24
- 修回日期: 2016-01-20
- 刊出日期: 2016-06-19

Design of Multi-port Configurable PUF Circuit Based on 65 nm Technology

Funds:

The National Natural Science Foundation of China (61474068, 61274132), The Natural Science Foundation of Zhejiang Provice (LQ14F040001), The Project of Department of Education of Zhejiang Provice (Y201430798)

摘要

摘要: 物理不可克隆函数(Physical Unclonable Function, PUF)电路利用结构完全相同的电路在制造过程中存在的随机工艺偏差，产生具有唯一性、随机性和不可克隆性的密钥。该文通过对共源共栅电流镜的研究，提出一种基于电流镜工艺偏差的多端口可配置PUF电路。该PUF电路由输入寄存器、偏差电压源、复用网络、判决器阵列和扰乱模块构成，通过激励信号配置偏差电压源，无需更换硬件便可实现输出密钥的变化，且可在一个时钟周期内输出多位密钥。在SMIC 65 nm CMOS工艺下，采用全定制方式设计具有36个输出端口的PUF电路，版图面积为24.8 m77.4 m。实验结果表明，该PUF电路具有良好的唯一性和随机性，且工作在不同温度(-40~125C)和电压(1.08~1.32 V)下的可靠性均大于97.4%，可应用于信息安全领域。
- 电路设计 /
- 物理不可克隆函数 /
- 多端口 /
- 可配置
Abstract: Physical Unclonable Functions (PUF) exploits process variation across the same structure circuits during the manufacturing processes to generate numerous unique, random and unclonable security keys. In this paper, a multi-port configurable PUF scheme is proposed, which is based on random deviation of current mirrors. It consists of input register, deviation-voltage source, multiplexing-net, arbiter array and obfuscation circuit. After configuring deviation-voltage source by applying different input challenges, the PUF circuit updates keys without physically replacement, and it can generate multi-bit keys in a clock cycle. In SMIC 65 nm CMOS technology, the layout of 36 ports configurable PUF occupies 24.8 m77.4 m with custom designing. Experimental results show that the PUF circuit possesses better statistical characteristic of uniqueness and randomness, and it has a high reliability of 97.4% with respect to temperature variation from ?40 C to 125 C, and supply voltage variation from 1.08 V to 1.32 V. It can be effectively used in information security field.
- Circuit design /
- Physical Unclonable Function (PUF) /
- Multi-port /
- Configurable

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参考文献(19)

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