DEMO:从Broadcom和Cypress芯片中提取物理层BLE广告信息
DEMO: Extracting Physical-Layer BLE Advertisement Information from Broadcom and Cypress Chips
摘要:
多项倡议建议利用蓝牙低功耗(BLE)广告进行接触者追踪和SARS-CoV-2暴露通知。此演示展示了一个分析BLE广告的研究工具;如果供应商普遍启用,未发现的功能可以改善每个人的暴露通知。我们对Broadcom和Cypress芯片上BLE广告的固件内部实现进行了逆向工程,并展示了如何在接收器处提取进一步的物理层信息。分析的固件适用于数亿台设备,例如所有iPhone,欧洲三星Galaxy S系列和Raspberry Pis。
英文摘要:
Multiple initiatives propose utilizing Bluetooth Low Energy (BLE) advertisements for contact tracing and SARS-CoV-2 exposure notifications. This demo shows a research tool to analyze BLE advertisements; if universally enabled by the vendors, the uncovered features could improve exposure notifications for everyone. We reverse-engineer the firmware-internal implementation of BLE advertisements on Broadcom and Cypress chips and show how to extract further physical-layer information at the receiver. The analyzed firmware works on hundreds of millions of devices, such as all iPhones, the European Samsung Galaxy S series, and Raspberry Pis.
机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。