漂白剂从 WiFi 探测请求签名到 MAC 关联

IF 4.4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS
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引用次数: 0

摘要

智能手机或类似的 WiFi 设备会定期通过广播管理帧(即探针请求)来发现附近的接入点。探测请求帧转发发送设备的 MAC 地址(作为设备标识符)作为信息。为了保护用户的隐私和位置,探测请求使用根据 MAC 地址随机化协议生成的随机 MAC 地址。遗憾的是,MAC 随机化极大地限制了有关轨迹推断、流量估计、人群计数等方面的研究。为了在尊重用户隐私的同时克服这一限制,我们提出了一种新颖、高效、全面的方法,允许随机 MAC 地址与探测请求中的设备关联。我们使用基于时间和帧内容的签名来解决和关联冲突中的 MAC。我们提出了一种新颖的 MAC 关联算法,该算法涉及使用签名和我们引入的时间度量的逻辑回归。据我们所知,这是第一项将探针-请求关联问题表述为通用冲突解决方法的研究,并对多个数据集的关联进行了基准测试。我们的研究结果表明,就准确率(高达 99%)和对各种输入探针请求数据集的鲁棒性而言,我们的方案优于最先进的方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bleach: From WiFi probe-request signatures to MAC association

Smartphones or similar WiFi-enabled devices regularly discover nearby access points by broadcasting management frames known as probe-requests. Probe-request frames relay, as information, the MAC addresses of sending devices, which act as the device identifiers. To protect the user’s privacy and location, probe-requests use a randomized MAC address generated according to the MAC address randomization protocol. Unfortunately, MAC randomization greatly limits any studies on trajectory inference, flow estimation, crowd counting, etc. To overcome this limitation while respecting users’ privacy, we propose Bleach, a novel, efficient, and comprehensive approach allowing randomized MAC addresses to device association from probe-requests. Bleach models the frame association as a resolution of MAC conflicts in small time intervals. We use time and frame content-based signatures to resolve and associate MACs inside a conflict. We propose a novel MAC association algorithm involving logistic regression using signatures and our introduced time metric. To the best of our knowledge, this is the first work that formulates the probe-request association problem as a generic resolution of conflicts and benchmarks the association concerning several datasets. Our results show that Bleach outperforms the state-of-the-art schemes in terms of accuracy (as high as 99%) and robustness to a wide range of input probe-request datasets.

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来源期刊
Ad Hoc Networks
Ad Hoc Networks 工程技术-电信学
CiteScore
10.20
自引率
4.20%
发文量
131
审稿时长
4.8 months
期刊介绍: The Ad Hoc Networks is an international and archival journal providing a publication vehicle for complete coverage of all topics of interest to those involved in ad hoc and sensor networking areas. The Ad Hoc Networks considers original, high quality and unpublished contributions addressing all aspects of ad hoc and sensor networks. Specific areas of interest include, but are not limited to: Mobile and Wireless Ad Hoc Networks Sensor Networks Wireless Local and Personal Area Networks Home Networks Ad Hoc Networks of Autonomous Intelligent Systems Novel Architectures for Ad Hoc and Sensor Networks Self-organizing Network Architectures and Protocols Transport Layer Protocols Routing protocols (unicast, multicast, geocast, etc.) Media Access Control Techniques Error Control Schemes Power-Aware, Low-Power and Energy-Efficient Designs Synchronization and Scheduling Issues Mobility Management Mobility-Tolerant Communication Protocols Location Tracking and Location-based Services Resource and Information Management Security and Fault-Tolerance Issues Hardware and Software Platforms, Systems, and Testbeds Experimental and Prototype Results Quality-of-Service Issues Cross-Layer Interactions Scalability Issues Performance Analysis and Simulation of Protocols.
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