计算机工程与科学2024，Vol.46Issue(8)：1403-1413,11.DOI:10.3969/j.issn.1007-130X.2024.08.009
智慧医疗系统中可容错的多维度密文跨域聚合方案
A multi-dimensional ciphertexts cross domain aggregation scheme supporting fault tolerance in intelligent medical systems
摘要
Abstract
To address the problem of data islands in Intelligent medical systems,achieve the goal of medical data security convergence,and simultaneously ensure the confidentiality,integrity and availabil-ity of medical data in transmission and storage process,this paper proposes a verifiable multi-dimensional medical ciphertexts cross domain aggregation scheme supporting transmission fault tolerance.The scheme integrates edge computing servers into the traditional cloud computing framework.By designing a homomorphic encryption algorithm and combining the Shamir secret sharing technology,this scheme realizes two-layer aggregation of multi-dimensional encrypted data with transmission fault tolerance.The scheme designs a digital signature algorithm based on elliptic curve,to ensure the integrity of medi-cal encrypted data in the process of transmission and storage.In particular,the medical data analysis center can flexibly select target areas from the cloud server for cross domain aggregation,and exploit cloud storage audit mechanism to fulfil the lightweight integrity verification of the aggregation results.According to Horner's rule and the private key,the medical data analysis center can obtain the aggrega-tion results of various dimensions of medical data from end users in the corresponding region.Security analysis and performance comparison demonstrate that this scheme can be securely and efficiently de-ployed in intelligent medical systems.关键词
医疗密文/边缘计算/跨域聚合/传输容错/完整性验证Key words
medical ciphertexts/edge computing/cross domain aggregation/transmission fault tole-rance/integrity verification分类
信息技术与安全科学引用本文复制引用
张晓均,李兴鹏,张经伟,唐伟..智慧医疗系统中可容错的多维度密文跨域聚合方案[J].计算机工程与科学,2024,46(8):1403-1413,11.基金项目
国家自然科学基金(61902327) （61902327）
中国博士后科学基金(2020M681316) （2020M681316）
成都市科技局项目(2021-YF05-00965-SN) （2021-YF05-00965-SN）
