基于主-侧链和可追踪环签名的医疗数据区块链共享方案

doi:10.11896/jsjkx.260100018

计算机科学 ›› 2026, Vol. 53 ›› Issue (6A): 260100018-8.doi: 10.11896/jsjkx.260100018

基于主-侧链和可追踪环签名的医疗数据区块链共享方案

赵睿¹, 高汉成^1,2, 黄海平^1,2,3, 冯好时¹, 陆心怡¹

1 南京邮电大学计算机学院南京 210023
2 江苏省物联网智能感知与计算重点实验室南京 210023
3 网络空间安全态势感知与评估安徽省重点实验室合肥 230000

出版日期:2026-06-16 发布日期:2026-06-12
通讯作者: 黄海平(hhp@njupt.edu.cn)
作者简介:(hhp@njupt.edu.cn)
基金资助:
国家自然科学基金(62072252);网络空间安全态势感知与评估安徽省重点实验室基金项目(TK224013);江苏省研究生科研实践创新计划(KYCX22_1016)

Blockchain Scheme for Medical Data Sharing Based on Main-Side Chain and Traceable RingSignature

ZHAO Rui¹, GAO Hancheng^1,2, HUANG Haiping^1,2,3, FENG Haoshi¹ , LU Xinyi¹

1 School of Computer Science,Nanjing University of Posts and Telecommunications,Nanjing 210023,China
2 Jiangsu Provincial Key Laboratory of Internet of Things Intelligent Perception and Computing,Nanjing 210023,China
3 Anhui Province Key Laboratory of Cyberspace Security Situation Awareness and Evaluation,Hefei 230000,China

Published:2026-06-16 Online:2026-06-12
About author:ZHAO Rui,born in 2004.His main research interests include information security and blockchain.
HUANG Haiping,born in 1981,Ph.D supervisor,is a member of CCF(No.1523S).His main research interests include information security and data privacy in IOT.
Supported by:
National Natural Science Foundation of China(62072252),Open Fund of Anhui Province Key Laboratory of Cyberspace Security Situation Awareness and Evaluation(TK224013) and Postgraduate Research & Practice Innovation Program of Jiangsu Pro-vince(KYCX22_1016).

摘要/Abstract

摘要： 医疗数据的安全共享与隐私保护对提升诊疗服务质量至关重要。针对现有医疗系统存在的数据孤岛、隐私泄露以及审计困难等难题,提出了一种面向医疗联盟链的数据安全共享与隐私保护方案。首先,该方案构建了基于患者ID索引的“主-侧”链分级存储架构,主链存储个人信息,侧链存储病历记录及追加轨迹,实现了数据的高效检索。其次,引入可追踪环签名技术以实现用户匿名性与纠纷可溯性,平衡了隐私保护与监管需求。再者,采用无需可信中心的门限签名机制,利用分布式生成密钥和门限签名技术,为病历追加操作提供去中心化的审批核验,实现了权限管控与安全共享。最后,通过安全性分析和实验仿真证明该方案在计算与通信开销方面优于现有方案,表明了该方案的可行性和有效性。

关键词: 安全共享, 隐私保护, 区块链, 可追踪环签名, 门限签名

Abstract: Secure sharing of medical data and privacy protection are crucial for improving healthcare service quality.To address critical challenges in current medical systems,including data silos,privacy breaches and auditing difficulties,a data security sharing and privacy protection scheme for medical consortium blockchain is proposed.Firstly,the scheme constructs a patient-ID-indexed “main-side” chain storage architecture,where the main chain stores personal information,while the side chain stores medical records and addition trajectories,enabling efficient data retrieval.Secondly,Traceable ring signature technology is introduced to preserve user anonymity while supporting identity traceability in the case of medical disputes,balancing privacy protection and regulatory needs.Furthermore,a threshold signature mechanism without a trusted center is adopted,leveraging distributed key generation and threshold signature technology to provide decentralized approval and verification for medical record additions,achieving access control and secure sharing.Finally,security analysis and experimental simulations demonstrate that the proposed scheme outperforms existing solutions in terms of computational and communication overhead,which demonstrates its practical feasibility and effectiveness.

Key words: Secure sharing, Privacy protection, Blockchain, Traceable ring signature, Threshold signature

中图分类号:

TP309

赵睿, 高汉成, 黄海平, 冯好时, 陆心怡. 基于主-侧链和可追踪环签名的医疗数据区块链共享方案[J]. 计算机科学, 2026, 53(6A): 260100018-8. https://doi.org/10.11896/jsjkx.260100018

ZHAO Rui, GAO Hancheng, HUANG Haiping, FENG Haoshi , LU Xinyi. Blockchain Scheme for Medical Data Sharing Based on Main-Side Chain and Traceable RingSignature[J]. Computer Science, 2026, 53(6A): 260100018-8. https://doi.org/10.11896/jsjkx.260100018

参考文献

[1] HE Q W,LIN Q X,LIN H,et al.Cross-chain-based medical data security sharing scheme[J].Computer Systems & Applications,2023,32(5):97-104.
[2] WANG M,GUO Y,ZHANG C,et al.MedShare:A Privacy-Preserving Medical Data Sharing System by Using Blockchain[J].IEEE Transactions on Services Computing,2023,16(1):438-451.
[3] ZOU R,LV X,ZHAO J,et al.SPChain:Blockchain-based medical data sharing and privacy-preserving eHealth system[J].Information Processing and Management,2021,58(4):102604.
[4] LI Y H,LI Q,LI Z W,et al.Data sharing scheme of electronic medical records based on blockchain and verifiable integrity[J].Journal of Cyber Security,2025,10(5):129-139.
[5] DONG Y S,LI C,SHEN Z N,et al.Blockchain-oriented UC security threshold SM9 signature scheme[J].Journal of Computer Research and Development,2026,63(1):227-242.
[6] WANG R,XU C,ZHANG X.Toward materials genome big-data:A blockchain-based secure storage and efficient retrieval method[J].IEEE Transactions on Parallel and Distributed Systems,2024,35(9):1630-1643.
[7] XUE L D,WANG M Z,XIAO C Q,et al.E-chain:A Distributed Energy Trading Blockchain System Driven by Temporal and Spatial Optimization[J/OL].[2026-04-14] .https://doi.org/10.19678/j.issn.1000-3428.0252282.
[8] JIANG L Y,LIU G H,YANG J L,et al.P-DAG:An Efficient and Secure Blockchain System Based on Parallel Chain Structure[J].Computer Science,2025,52(S2):835-840.
[9] ZHANG Z T,HAN H X,SHI C X,et al.Overview of blockchain fragmentation technology compatible with smart contracts[J/OL].[2026-04-14] .https://link.cnki.net/urlid/11.1777.tp.20251201.1602.004.
[10] CHEN X,GAO S,XU S,et al.From Σ-protocol based Signa-tures to Ring Signatures:General Construction and Applications[J].IEEE Transactionson Information Forensics and Security,2025,20:3646-3661.
[11] DONG J S,LI C,SHEN Z N,et al.Blockchain AnonymousTrading Scheme Based on State Secret SM9[J].Scientia Sinica(Informationis),2025,55(6):1428-1446.
[12] CHANG F,CUI J,WANG L M.traceable anonymous authenti-cation scheme based on ellipticcurve in WSN[J].Journal of Computer Research and Development,2017,54(9):2011-2020.
[13] SHEN M,CHE Z,ZHU L H,et al.Anonymity of digital currency transaction in blockchain:protection and confrontation[J].Chinese Journal of Computers,2023,46(1):125-146.
[14] YE Q,LANG Y,GUO H,et al.Efficient lattice-based traceable ring signature scheme with it's application in blockchain[J].Information Sciences,2023,648:119536.
[15] XIE Z J,YIN X K,CAI R J,et al.Traceable ring signature scheme based on state secret algorithm SM9[J].Journal on Communications,2025,46(3):199-211
[16] ZHANG Y,LEI H,WANG B,et al.Traceable ring signature schemes based on SM2 digital signature algorithm and its applications in the datasharing scheme[J].Frontiers of Computer Science,2024,18(2):182815.
[17] SU H,GUO Z Z,XU M Z.Efficient privacy protection scheme for supervised identities in blockchain[J].Journal of Software:1-24 [2025-10-03] .DOI:10.13328/j.cnki.jos.007427.
[18] HUANG X,ZUO C,SHAO J,et al.Timed Anonymous RingSignature with Application to Bidding Systems[J].IEEE Transac-tions on Information Forensics and Security,2025,20:8210-8223.
[19] HU Y F,XIONG H,FANG L M,et al.Overview of Distributed Cryptography Technology for Blockchain[J].Chinese Journal of Computers,2025,48(7):1670-1695.
[20] DEL PINO R,KATSUMATA S,NIOT G,et al.UnmaskingTRaccoon:A lattice-based threshold signature with an efficient identifiable abort protocol[C]//Annual International Cryptology Conference.Cham:Springer Nature Switzerland,2025:423-456.
[21] BACHO R,LOSS J.On the adaptive security of the threshold BLS signature scheme[C]//Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security.2022:193-207.
[22] ZANG W Y,LV J L.Research on Time Rotation Notary Group Model Based on Threshold Signature[J].Computer Science,2024,51(8):403-411.
[23] CHENG Y G,HU M S,GONG B,et al.A Dynamic Threshold Signature Scheme with Strong Forward Security[J].Computer Engineering and Applications,2020,56(5):125-134.
[24] HANKERSON D,MENEZES A.Elliptic curve discrete log-arithm problem[M]//Encyclopedia of Cryptography,Security and Privacy.Cham:Springer Nature Switzerland,2025:784-787.

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基于主-侧链和可追踪环签名的医疗数据区块链共享方案

Blockchain Scheme for Medical Data Sharing Based on Main-Side Chain and Traceable RingSignature

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