NeTS-ProWIN: Fingerprints in the Ether: Exploiting the Radio Channel to Enhance Wireless Security

无线系统的安全传统上采用密码协议，该密码协议是传统有线安全机制的修改。然而，无线环境允许新的入侵形式，使这些技术变得不够充分。同时，无线介质的属性包括域特定信息的唯一来源。该项目利用这些信息来补充和加强传统的安全机制。该项目利用物理层(PHY)独特的空间、时间和频率特性，与传统的高层技术相结合，显著增强身份验证和保密性。这项跨层研究正在从根本上研究新的方法，这些方法利用与多路径传播相关的统计相关性来设计新的协议。该项目的工作依赖于一个跨学科团队的分析、模拟和实验的集成，该团队的专业知识包括射频传播、物理层通信、统计分析以及无线安全和加密协议。消费者、企业和政府越来越多地使用无线通信，这可能会受到利用该媒介本身的安全攻击的破坏。加强对这一威胁的反应服务于整个社会。该项目的目标是揭示如何使用物理层实现身份验证和机密性，在什么情况下可以实现这些目标，以及它可以为传统安全机制增加多少好处。这种跨学科的研究和教育努力将包括在学术和工业论坛上广泛传播其成果，涉及无线通信和安全。

The securing of wireless systems has traditionally employed cryptographic protocols that are modifications of conventional wired security mechanisms. However, the wireless environment enables new forms of intrusion that render such techniques inadequate. At the same time, the properties of the wireless medium comprise a unique source of domain-specific information. This project exploits that information to complement and enhance traditional security mechanisms. The project utilizes the unique space, time and frequency characteristics of the physical (PHY) layer, in combination with traditional higher layer techniques, to significantly enhance authentication and confidentiality. This cross-layer research is investigating fundamentally new approaches that utilize the statistical correlation properties associated with multipath propagation in designing new protocols. The project work relies on an integration of analysis, simulation and experiment by an interdisciplinary team whose expertise includes RF propagation, PHY-layer communications, statistical analysis, and wireless security and cryptographic protocols. The growing use of wireless communications by consumers, businesses, and governments can be undermined by security attacks that exploit the medium itself. Strengthening the responses to this threat serves all of society. The goals of this project are to uncover how authentication and confidentiality can be achieved using the PHY-layer, under what situations these objectives are achievable, and how much benefit it can add to conventional security mechanisms. This interdisciplinary research and education effort will include wide dissemination of its results in academic and industrial forums spanning both wireless communications and security.