Enforcing RFID data visibility restrictions using XACML security policies

M. Pardal, M. Harrison, S. Sarma, J. Marques
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引用次数: 3

Abstract

Radio Frequency Identification (RFID) technology allows automatic data capture from tagged objects moving in a supply chain. This data can be very useful if it is used to answer traceability queries, however it is distributed across many different repositories, owned by different companies. Discovery Services (DS) are designed to assist in retrieving the RFID data relevant for traceability queries while enforcing sharing policies that are defined and required by participating companies to prevent sensitive data from being exposed. In this paper we define an interface for Supply Chain Authorization (SC-Az) and describe the implementation of two visibility restriction mechanisms based on Access Control Lists (ACLs) and Capabilities. Both approaches were converted to the standard eXtensible Access Control Markup Language (XACML) and their correctness and performance was evaluated for supply chains with increasing size.
使用XACML安全策略强制RFID数据可见性限制
无线射频识别(RFID)技术允许从供应链中移动的标记物体中自动捕获数据。如果这些数据用于回答可追溯性查询,那么这些数据将非常有用,但是这些数据分布在许多不同的存储库中,这些存储库归不同的公司所有。Discovery Services (DS)旨在帮助检索与可追溯性查询相关的RFID数据,同时执行参与公司定义和要求的共享策略,以防止敏感数据被暴露。在本文中,我们定义了供应链授权(SC-Az)的接口,并描述了基于访问控制列表(acl)和能力的两种可见性限制机制的实现。将这两种方法转换为标准的可扩展访问控制标记语言(XACML),并对规模不断扩大的供应链评估其正确性和性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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