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通过FeFET循环到循环变化和电荷域计算来证明高可重配置性和低功耗强大的物理不可克隆功能
Taixin Li1, Xinrui Guo1, Franz Müller2
1Department of Electronic Engineering, BNRist/LFET, Tsinghua University, Beijing, China.
Nature communications
|January 3, 2025
概括
本研究介绍了一种基于强大的物理非克隆功能 (PUF) 的新型铁电场效应晶体管 (FeFET),用于安全的物联网 (IoT) 认证. 开发的PUF提供了高可重配置性,低功耗和强大的安全性来抵御攻击.
科学领域:
- 半导体设备物理学 半导体设备物理
- 嵌入式系统的网络安全.
- 在电子领域的材料科学.
背景情况:
- 物理非克隆功能 (PUF) 对于保护物联网 (IoT) 设备至关重要.
- 现有的PUF解决方案通常需要提高功率效率,可重新配置性和对复杂攻击的安全性.
- 铁电场效应晶体管 (FeFET) 为新型电子应用提供了独特的特性.
研究的目的:
- 开发和描述基于FeFET的新强PUF,以提高物联网安全性.
- 为了利用FeFET固有的变化来获得可靠和独特的加密密钥.
- 评估PUF在力量,重新配置能力和对攻击的弹性方面的表现.
主要方法:
- 使用28nm FeFET技术制造PUF细胞.
- 利用FeFET循环到循环变化和充电域内存计算.
- 对PUF统一性,独特性,可重复性和可重新配置性的实验性表征.
- 对参数变化和机器学习攻击的功耗和强度的评估.
主要成果:
- 证明了基于FeFET的PUF细胞的高统一性,独特性和可重复性.
- 通过超低的读取能量 (1.89fJ/bit) 实现了近乎理想的重新配置.
- 展示了对流程变化的强度和对基于机器学习的攻击的弹性.
- 在关键绩效指标上显著超过现有的最先进的PUF.
结论:
- 基于FeFET的强大PUF为轻量级和安全的物联网身份验证提供了一个非常有前途的解决方案.
- 拟议的设计提供了低功耗,高可重配置性和强大的安全性的引人注目的组合.
- 这项工作为在资源有限的物联网环境中实践实施先进的PUF安全铺平了道路.
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