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基于内核的响应提取方法,用于高效的可配置环振荡器PUF

Enas Abulibdeh¹, Hani Saleh², Baker Mohammad³

¹SoC Lab, Department of Computer and Information Engineering, Khalifa University, Abu Dhabi, UAE. enas.abulebdeh@gmail.com.

Scientific reports

|February 18, 2025

概括

本研究介绍了一种新的,资源效率高的可配置环振荡器物理不可克隆功能 (CRO PUF) 用于物联网安全. 新设计大大减少了面积和功耗,同时保持了强大的安全性能.

科学领域:

硬件安全原始的原始化.
集成电路设计集成电路设计
对物联网设备的网络安全.

背景情况:

物理非克隆功能 (PUF) 提供轻量级的安全解决方案,使用关键生成的制造变异.
物联网设备的资源限制限制了传统PUF设计的适用性.
可配置环振荡器 (CRO) PUFs为硬件安全提供了一个有希望的途径.

研究的目的:

为CROPUFs提出一种新的响应提取方法,以减少面积和功耗.
开发一个资源高效的CRO PUF,适合受限制的物联网环境.
为了提高PUF生成的密钥的安全性和独特性.

主要方法:

开发了一种基于内核的响应提取方法,利用相位转移和RO频率.
创建了一个新的CRO PUF设计变体,消除了冗余的环振荡器 (RO).
该PUF采用22纳米的FDSOI技术实现,并使用来自8个芯片的挑战响应对 (CRP) 进行测试.

主要成果:

与最先进的设计相比,拟议的PUF实现了86%的面积减少和65.1%的电力消耗减少.
安全指标显示49.42%的统一性,38.25%的扩散性,9.95%的IntraHD和45.5%的独特性.
该PUF通过了12次NIST测试,平均机器学习模型预测准确率为65.3%.

结论:

新的响应提取方法和CRO PUF设计显著提高了物联网安全的资源效率.
拟议的PUF表现出强大的安全特性,符合强大的硬件安全原始的资格.
这项工作为在资源有限的设备中实施安全和轻量级身份验证提供了可行的解决方案.

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