A Survey on Hardware-based Security Mechanisms for Internet of Things
A Survey on Hardware-based Security Mechanisms for Internet of Things
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发表时间：
2019-07
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通讯作者：
Alireza Shamsoshoara;A. Korenda;F. Afghah;S. Zeadally
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作者：
Alireza Shamsoshoara;A. Korenda;F. Afghah;S. Zeadally
物联网在未来智能城市、工业自动化、智能交通系统和智能医疗设施中的广泛应用，代表了几种具有巨大经济、环境和社会影响的安全攻击的蓬勃发展。本文综述了新兴物联网网络的几个安全挑战，并讨论了物联网网络中不同领域的一些攻击及其对策。物联网网络的大多数传统安全解决方案都是从通信网络中采用的，同时注意到物联网网络的特殊特性，例如节点数量庞大，网络的异构性以及节点的能量，通信和计算有限，这些传统的安全方法并不真正足够。在非常大规模的物联网网络中使用基于公共密钥的加密方法的一个重要挑战是物联网设备中的密钥生成、分发和存储问题，更重要的是保护这些密钥免受物理攻击。物理不可克隆功能（PUF）最近被用作物联网网络中识别和认证的有前途的硬件安全解决方案。由于PUF提取了独特的硬件特征，因此它们可能为密钥生成提供负担得起且实用的解决方案。然而，若干障碍限制了用于密钥生成目的的不同类型的PUF的应用。我们讨论了基于PUF的密钥生成方法的优点，回顾了该领域的最新技术，并提出了一种可靠的基于PUF的解决方案，用于使用嵌入在物联网中的电阻式随机存取存储器（RERAM）生成密钥。
The vast areas of applications for IoTs in future smart cities, industrial automation, smart transportation systems, and smart health facilities represent a thriving surface for several security attacks with enormous economic, environmental and societal impacts. This survey paper presents a review of several security challenges of emerging IoT networks and discusses some of the attacks and their countermeasures based on different domains in IoT networks. Most conventional security solutions for IoT networks are adopted from communication networks while noting the particular characteristics of IoT networks such as the huge number of nodes, heterogeneity of the network, and the limited energy, communication, and computation of the nodes, these conventional security methods are not really adequate. One important challenge toward utilizing common secret key-based cryptographic methods in very large scale IoT networks is the problem of secret key generation, distribution, and storage in IoT devices and more importantly protecting these secret keys from physical attacks. Physically unclonable functions (PUFs) are recently utilized as a promising hardware security solution for identification and authentication in IoT networks. Since PUFs extract the unique hardware characteristics, they potentially offer an affordable and practical solution for secret key generation. However, several barriers limit the applications of different types of PUFs for key generation purposes. We discuss the advantages of PUF-based key generation methods, review the state-of-the-art techniques in this field and propose a reliable PUF-based solution for secret key generation using resistive random-access memories (RERAMs) embedded in IoTs.