LACS: A Lightweight Label-Based Access Control Scheme in IoT-Based 5G Caching Context
LACS: A Lightweight Label-Based Access Control Scheme in IoT-Based 5G Caching Context
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LACS：基于物联网的 5G 缓存环境中的轻量级基于标签的访问控制方案
DOI：
10.1109/access.2017.2678510
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发表时间：
2017-03
期刊：
影响因子：
3.9
通讯作者：
Chen DJ
中科院分区：
文献类型：
--
作者：
Wang Qixu;Chen Dajiang;Qin Zhen;Qin Zhiguang;Chen Dajiang;Zhang Ning;Chen DJ;Chen DJ
由于海量的移动终端设备和无处不在的通信，物联网(IoT)已成为必然趋势。鉴于第五代(5G)无线网络预计将推动物联网的扩散，并可能扩展物联网的接入功能和系统，因此物联网将成为未来5G无线网络中至关重要的组成部分。同时，5G带宽和功率的限制将对物联网的广泛推广产生不利影响。然而，无线缓存技术可以显著解决这个问题。近年来，利用雾节点提高缓存容量已成为缓存系统的发展趋势。然而，基于节点的缓存系统可能会遭受恶意访问和破坏。为了保护缓存不受破坏，并进一步确保其可靠性，提出了一种新的轻量级基于标签的访问控制方案(LACS)，该方案对授权的FOG节点进行身份验证以确保保护。具体地，LACS可以通过验证作为嵌入标签值的共享文件的完整性来认证FOG节点，并且只有认证的FOG节点可以访问缓存服务。分析表明，该方案是可验证的(恶意雾节点不能欺骗缓存服务器伪装成合法节点)，并且在计算和验证方面都是高效的。仿真实验表明，LACS能够达到毫秒级的验证，并且具有较好的精度。
Due to massive mobile terminal devices and ubiquitous communication, the Internet of things (IoT) has become an inevitable trend. Given that the fifth generation (5G) wireless networks expects to drive the proliferation of the IoT and may extend the access functions and systems of the IoT, it makes the IoT a vitally important part in future 5G wireless networks. Simultaneously, the limit of the bandwidth and power of the 5G would adversely affect the widespread promotion of the IoT. However, wireless caching techniques could remarkably resolve this issue. Recently, using fog nodes to improve the capacity of caching has become a trend in caching system. However, node-based caching systems may suffer from malicious access and destruction. To protect caching from sabotage and to further ensure its reliability, we propose a new lightweight label-based access control scheme (LACS) that authenticates the authorized fog nodes to ensure protection. Specifically, the LACS can authenticate the fog nodes by verifying the integrity of the shared files that are embedded label values, and only the authenticated fog nodes can access the caching service. The analysis shows that the proposed scheme is verifiable (the malicious fog node cannot cheat the caching server to pretend to be a legal node) and efficient in both computation and verification. Moreover, simulation experiments show that the LACS can reach the millisecond-level verification and it has a good accuracy.
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