DEMO：从 Broadcom 与 Cypress 芯片提取物理层 BLE 广播信息
密码学与安全
2020-06-01 v1
摘要
多项倡议提出利用蓝牙低功耗（BLE）广播进行接触者追踪与 SARS-CoV-2 暴露通知。本演示展示了一个用于分析 BLE 广播的研究工具；如果供应商普遍启用该功能，所揭示的特性将能为所有人改善暴露通知。我们对 Broadcom 和 Cypress 芯片上 BLE 广播的固件内部实现进行逆向工程，并展示如何在接收端提取进一步的物理层信息。所分析的固件运行于数亿台设备上，例如所有 iPhone、欧洲版 Samsung Galaxy S 系列以及 Raspberry Pi。
引用
@article{arxiv.2005.14585,
title = {DEMO: Extracting Physical-Layer BLE Advertisement Information from Broadcom and Cypress Chips},
author = {Jiska Classen and Matthias Hollick},
journal= {arXiv preprint arXiv:2005.14585},
year = {2020}
}
备注
13th ACM Conference on Security and Privacy in Wireless and Mobile Networks