<?xml version="1.1" encoding="utf-8"?>
<article xsi:noNamespaceSchemaLocation="http://jats.nlm.nih.gov/publishing/1.1/xsd/JATS-journalpublishing1-mathml3.xsd" dtd-version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><front><journal-meta><journal-id journal-id-type="publisher-id">TACS</journal-id><journal-title-group><journal-title>Technology and Application of Computer Science</journal-title></journal-title-group><issn>2998-8926</issn><eissn>2998-8934</eissn><publisher><publisher-name>Art and Technology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.61369/TACS.2026060035</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title>面向医疗物联网的轻量级多层密码框架设计与验证</title><url>https://artdesignp.com/journal/TACS/3/6/10.61369/TACS.2026060035</url><author>欧阳毅</author><pub-date pub-type="publication-year"><year>2026</year></pub-date><volume>3</volume><issue>6</issue><history><date date-type="pub"><published-time>2026-03-28</published-time></date></history><abstract>可穿戴传感器、植入式监护仪与远程监测平台等医疗 IoT 终端的规模化接入，使密码方案不得不在强安全与严苛资源约束之间寻找新的折中。AES-256与 RSA-2048在此类场景下并不适用&amp;mdash;&amp;mdash;其计算开销、内存占用与功耗均超出受限节点所能承受的范围。基于此，本文构建了一种面向医疗 IoT 的多层轻量级密码框架，由优化 PRESENT-80分组密码、ASCON-128认证加密、CP-ABE 访问控制与 ECDH 密钥交换四层组件构成，覆盖机密性、完整性、属性化访问控制与会话密钥协商。基于 PhysioNet 真实生理数据的 Python 仿真实验显示：完整加解密流水线平均延迟分别为 202.95 &amp;micro;s 与 202.40 &amp;micro;s，可满足低延迟医疗 IoT 场景的部署需求。</abstract><keywords>医疗 IoT, IoT 安全, 轻量级加密, 资源受限设备</keywords></article-meta></front><body/><back><ref-list><ref id="B1" content-type="article"><label>1</label><element-citation publication-type="journal"><p>[1] Zarkia, M. N. H., &amp;amp; Usman, S. (2025). IoT Data Breaches and Privacy Issues in Healthcare System. Open International Journal of Informatics, 13(1), 41&amp;ndash;55. https://doi.org/10.11113/oiji2025.13n1.327
[2] Gui B , Anton A A , Stngaciu C S ,et al.Securing IoT edge: a survey on lightweight cryptography, anonymous routing and communication protocol enhancements[J]. International Journal of Information Security, 2025, 24(3).DOI:10.1007/s10207-025-01071-7.
[3] Ansari S A, Ali S. A systematic review of lightweight cryptographic schemes for security and privacy in IoT[J]. Discover Computing, 2025, 28(1): 266.
[4] Kumar,Dingari.(2024).Lightweight Cryptographic Framework for Securing IoT Devices in Edge Environments.Journal of Information Systems Engineering and Management.9.199-208.10.52783/jisem.v9i4s.11158.
[5] Goyal T K , Sahula V , Kumawat D .Energy Efficient Lightweight Cryptography Algorithms for IoT Devices[J]. IETE Journal of Research, 2019:1-14.DOI:10.1080/03772063.2019.1670103.
[6] Sabri, O.; Al-Shargabi, B.; Abuarqoub, A.; Hakami, T.A. A Lightweight Encryption Method for IoT-Based Healthcare Applications: A Review and Future Prospects. IoT 2025, 6, 23. https://doi.org/10.3390/iot6020023
[7] Rana, M.; Mamun, Q.; Islam, R. P-Box Design in Lightweight Block Ciphers: Leveraging Nonlinear Feedback Shift Registers. InProceedings of the 2024 IEEE Wireless Communications and Networking Conference (WCNC), Dubai, United Arab Emirates,21-24 April 2024; pp. 1-8.
[8] Dobraunig C, Eichlseder M, Mendel F, et al. Ascon v1. 2: Lightweight authenticated encryption and hashing[J]. Journal of Cryptology, 2021, 34(3): 33.
[9] Zhang Y, Geng H, Su L, et al. A traceable and multi-authority CP-ABE scheme for IoT medical devices[J]. Computer Networks, 2025: 111754.
[10] Kumbhakar D, Adhikari S, Karforma S. CTEA: Chaos based tiny encryption algorithm using ECDH and TinkerBell map for data security in supply chain management[J]. Multimedia Tools and Applications, 2025, 84(13): 12371-12394</p><pub-id pub-id-type="doi"/></element-citation></ref></ref-list></back></article>
