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PUFchain 2.0：用于智能医疗保健中设备与数据可持续同步安全的硬件辅助稳健区块链

PUFchain 2.0: Hardware-Assisted Robust Blockchain for Sustainable Simultaneous Device and Data Security in Smart Healthcare.

作者信息

Bathalapalli Venkata K V V, Mohanty Saraju P, Kougianos Elias, Baniya Babu K, Rout Bibhudutta

机构信息

Department of Computer Science and Engineering, University of North Texas, Denton, USA.

Department of Electrical Engineering, University of North Texas, Denton, USA.

出版信息

SN Comput Sci. 2022;3(5):344. doi: 10.1007/s42979-022-01238-2. Epub 2022 Jun 20.

DOI:10.1007/s42979-022-01238-2
PMID:35755326
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9207438/
Abstract

This article presents the first-ever hardware-assisted blockchain for simultaneously handling device and data security in smart healthcare. This article presents the hardware security primitive physical unclonable functions (PUF) and blockchain technology together as PUFchain 2.0 with a two-level authentication mechanism. The proposed PUFchain 2.0 security primitive presents a scalable approach by allowing Internet of Medical Things (IoMT) devices to connect and obtain PUF keys from the edge server with an embedded PUF module instead of connecting a PUF module to each device. The PUF key, once assigned to a particular media access control (MAC) address by the miner, will be unique for that MAC address and cannot be assigned to other devices. PUFs are developed based on internal micro-manufacturing process variations during chip fabrication. This property of PUFs is integrated with blockchain by including the PUF key of the IoMT into blockchain for authentication. The robustness of the proposed Proof of PUF-Enabled authentication consensus mechanism in PUFchain 2.0 has been substantiated through test bed evaluation. Arbiter PUFs have been used for the experimental validation of PUFchain 2.0. From the obtained 200 PUF keys, 75% are reliable and the Hamming distance of the PUF module is 48%. Obtained database outputs along with other metrics have been presented for validating the potential of PUFchain 2.0 in smart healthcare.

摘要

本文介绍了首个用于智能医疗中同时处理设备和数据安全的硬件辅助区块链。本文将硬件安全原语物理不可克隆函数（PUF）和区块链技术结合在一起，形成了具有两级认证机制的PUFchain 2.0。所提出的PUFchain 2.0安全原语通过允许医疗物联网（IoMT）设备连接到具有嵌入式PUF模块的边缘服务器并从中获取PUF密钥，而不是将PUF模块连接到每个设备，从而提出了一种可扩展的方法。一旦矿工将PUF密钥分配给特定的媒体访问控制（MAC）地址，该密钥将对该MAC地址唯一，且不能分配给其他设备。PUF是基于芯片制造过程中的内部微制造工艺变化而开发的。通过将IoMT的PUF密钥纳入区块链进行认证，PUF的这一特性与区块链相结合。通过试验台评估，证实了PUFchain 2.0中所提出的基于PUF的认证共识机制的稳健性。仲裁PUF已用于PUFchain 2.0的实验验证。从获得的200个PUF密钥中，75%是可靠的，PUF模块的汉明距离为48%。已给出获得的数据库输出以及其他指标，以验证PUFchain 2.0在智能医疗中的潜力。

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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/727dd5e03677/42979_2022_1238_Fig16_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/b9b48e978304/42979_2022_1238_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/de7f35ef94a8/42979_2022_1238_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/f8837450da49/42979_2022_1238_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/dd7afb5109d4/42979_2022_1238_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/7d63b72af3c2/42979_2022_1238_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/bff82f5defd0/42979_2022_1238_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/24d51fe4e0e8/42979_2022_1238_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/8880b8eacb41/42979_2022_1238_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/7c889f5c0246/42979_2022_1238_Fig13_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/f9b4d6f21fd4/42979_2022_1238_Fig14_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/b707c0f2cde7/42979_2022_1238_Fig15_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3b59/9207438/727dd5e03677/42979_2022_1238_Fig16_HTML.jpg

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