An anti-impersonation attack electronic health record sharing scheme based on proxy re-encryption and blockchain.

IF 2.6 4区 工程技术 Q1 Mathematics
Jiayuan Zhang, Rongxin Guo, Yifan Shi, Wanting Tang
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引用次数: 0

Abstract

Many current electronic medical record (EMR) sharing schemes that use proxy re-encryption and blockchain do not fully consider the potential threat of malicious node impersonation attacks. This oversight could lead to data leakage as attackers masquerade as legitimate users or proxy nodes during the sharing process. To deal with this problem, we propose an EMR sharing scheme based on proxy re-encryption and blockchain to protect against impersonation attacks. First, we prevent the potential threat of impersonation attacks by generating a shared temporary key and assigning tasks to multiple proxy nodes. Second, we use a random function to ensure that the selection of encrypted proxy nodes is fair. Third, we use a combination of blockchain and the InterPlanetary File System to solve the problem of insufficient storage capacity of shared processes and ensure the storage security of EMRs. Through the security proof, our scheme guarantees anti-impersonation, anti-collusion, and anti-chosen plaintext attack capability in the sharing process of EMRs. Additionally, experiments on the blockchain platform, namely Chain33, show that our scheme significantly increases efficiency.

基于代理重加密和区块链的防冒名攻击电子健康记录共享方案。
目前许多使用代理重加密和区块链的电子病历(EMR)共享方案都没有充分考虑恶意节点冒充攻击的潜在威胁。这种疏忽可能会导致数据泄漏,因为攻击者会在共享过程中伪装成合法用户或代理节点。针对这一问题,我们提出了一种基于代理重加密和区块链的 EMR 共享方案,以防范冒充攻击。首先,我们通过生成共享临时密钥并将任务分配给多个代理节点来防止潜在的冒充攻击威胁。其次,我们使用随机函数确保加密代理节点的选择是公平的。第三,我们采用区块链和星际文件系统(InterPlanetary File System)相结合的方式,解决共享进程存储容量不足的问题,确保 EMR 的存储安全。通过安全证明,我们的方案保证了 EMR 共享过程中的反冒名、反串联和反选择明文攻击能力。此外,在区块链平台(即 Chain33)上的实验表明,我们的方案显著提高了效率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Mathematical Biosciences and Engineering
Mathematical Biosciences and Engineering 工程技术-数学跨学科应用
CiteScore
3.90
自引率
7.70%
发文量
586
审稿时长
>12 weeks
期刊介绍: Mathematical Biosciences and Engineering (MBE) is an interdisciplinary Open Access journal promoting cutting-edge research, technology transfer and knowledge translation about complex data and information processing. MBE publishes Research articles (long and original research); Communications (short and novel research); Expository papers; Technology Transfer and Knowledge Translation reports (description of new technologies and products); Announcements and Industrial Progress and News (announcements and even advertisement, including major conferences).
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