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SHARDIS: A Privacy-Enhanced Discovery Service for RFID-Based Product Information

机译：SHARDIS：基于RFID的产品信息的增强隐私的发现服务

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摘要

The EPCglobal Network is an emerging global information architecture for supporting Radio-Frequency Identification (RFID) in supply chains. Discovery services for the EPCglobal Network are distributed services that serve the following pivotal lookup function: Given an identifier for a real-world object, e.g., an Electronic Product Code (EPC) stored on an RFID tag, they return a list of Internet addresses of services that offer additional information about the object. Since a client's information interests in the EPCglobal Network can be used to create inventory lists and profiles of his physical surroundings, as well as be used for business intelligence on the flow of goods in corporate applications, protecting client privacy becomes crucial. In particular, privacy mechanisms should by design be integrated into discovery services where the client's information interests could be analyzed by many potential adversaries. This paper introduces SHARDIS, a privacy-enhanced discovery service for RFID information based on the peer-to-peer paradigm. The idea is to enhance confidentiality of the client's query against profiling by cryptographically hashing the search EPC and by splitting and distributing the service addresses of interest. Furthermore, a probabilistic analysis of the privacy benefits of SHARDIS is presented. SHARDIS was implemented using the global research platform PlanetLab. Several performance experiments show its practical feasibility for many application areas.
机译：EPCglobal网络是一种新兴的全球信息体系结构，用于支持供应链中的射频识别（RFID）。 EPCglobal网络的发现服务是服务于以下关键查询功能的分布式服务：给定现实对象的标识符，例如，存储在RFID标签上的电子产品代码（EPC），它们返回Internet地址列表。提供有关对象的其他信息的服务。由于客户在EPCglobal网络中的信息兴趣可用于创建其物理环境的清单列表和配置文件，并可用于在公司应用程序中进行商品流的商业智能，因此保护客户隐私变得至关重要。特别是，应将隐私机制设计为集成到发现服务中，在该服务中，许多潜在对手可以分析客户的信息兴趣。本文介绍SHARDIS，这是一种基于对等范式的RFID信息的隐私增强发现服务。这个想法是通过加密散列搜索EPC并拆分和分配感兴趣的服务地址来增强针对配置文件的客户端查询的机密性。此外，还对SHARDIS的隐私利益进行了概率分析。 SHARDIS是使用全球研究平台PlanetLab实施的。多项性能实验表明，其在许多应用领域中的实际可行性。

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