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arXiv 2006.11657cs.CR
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保护灵巧家庭边缘设备免受云服务器攻击

Securing Smart Home Edge Devices against Compromised Cloud Servers

Rahmadi Trimananda, Ali Younis, Thomas Kwa, Brian Demsky, Harry Xu

摘要:

灵巧家庭物联网系统通常依赖基于云的服务器进行组件之间的通信。虽然存在大量关于物联网安全的工作,但大多数工作都集中在保护客户端(即,IoT设备)。但是,云服务器也可能受到损害。现有方法通常不保护灵巧家庭系统免受受损的云服务器的影响。本文介绍了FIDELIUS:一个运行时系统,用于安全的基于云的存储和通信,即使在存在受损的服务器。FIDELIUS的设计是为间歇性上网的灵巧家庭系统量身定制的。特别是,它支持在与云的通信丢失的情况下对灵巧家庭设备的本地控制,并提供了一个使用事务的一致性模型,以减轻由于网络分区而可能出现的不一致性。我们已经实施了FIDELIUS,开发了一个使用FIDELIUS的灵巧家庭基准,并测量了FIDELIUS的性能和功耗。我们的实验表明,与商业Particle.io框架相比,FIDELIUS减少了超过50%的数据通信时间,并将电池寿命延长了2倍。与PyORAM相比,FIDELIUS的访问速度快4- 7倍,传输的数据少25- 43倍。

英文摘要:

Smart home IoT systems often rely on cloud-based servers for communication between components. Although there exists a body of work on IoT security, most of it focuses on securing clients (i.e., IoT devices). However, cloud servers can also be compromised. Existing approaches do not typically protect smart home systems against compromised cloud servers. This paper presents FIDELIUS: a runtime system for secure cloud-based storage and communication even in the presence of compromised servers. FIDELIUS's design is tailored for smart home systems that have intermittent Internet access. In particular, it supports local control of smart home devices in the event that communication with the cloud is lost, and provides a consistency model using transactions to mitigate inconsistencies that can arise due to network partitions. We have implemented FIDELIUS, developed a smart home benchmark that uses FIDELIUS, and measured FIDELIUS's performance and power consumption. Our experiments show that compared to the commercial Particle.io framework, FIDELIUS reduces more than 50% of the data communication time and increases battery life by 2X. Compared to PyORAM, an alternative (ORAM-based) oblivious storage implementation, FIDELIUS has 4-7X faster access times with 25-43X less data transferred.

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。

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