Cross-chain medical data sharing scheme based on elliptic curve signcryption

YU Huifang; LI Lei

doi:10.11959/j.issn.1000-436x.2024213

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Cross-chain medical data sharing scheme based on elliptic curve signcryption

Papers | 更新时间：2025-01-14

- Cross-chain medical data sharing scheme based on elliptic curve signcryption
- Journal on Communications Vol. 45, Issue 12, Pages: 57-66(2024)
- 作者机构：
  
  西安邮电大学网络空间安全学院，陕西西安 710121
- 作者简介：
- 基金信息：
  
  Enterprise Cooperation Projects(HX2024-002;HX2024-297)
- DOI：10.11959/j.issn.1000-436x.2024213
  CLC： TP309.2
- Received：10 July 2024，
  
  Revised：2024-12-19，
  
  Published：25 December 2024
- 稿件说明：
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俞惠芳,李磊.基于椭圆曲线签密的跨链医疗数据共享方案[J].通信学报,2024,45(12):57-66.

YU Huifang,LI Lei.Cross-chain medical data sharing scheme based on elliptic curve signcryption[J].Journal on Communications,2024,45(12):57-66.
俞惠芳,李磊.基于椭圆曲线签密的跨链医疗数据共享方案[J].通信学报,2024,45(12):57-66. DOI： 10.11959/j.issn.1000-436x.2024213.

YU Huifang,LI Lei.Cross-chain medical data sharing scheme based on elliptic curve signcryption[J].Journal on Communications,2024,45(12):57-66. DOI： 10.11959/j.issn.1000-436x.2024213.

摘要

去中心化区块链能实现医疗数据的存储，却因区块链对外部环境高度封闭导致医疗机构内部区块链上医疗数据只能在本机构内部共享。为了解决医疗数据在跨链共享中存在的请求者身份认证和共享数据安全等问题，提出基于椭圆曲线签密的跨链医疗数据共享方案。中继链用于实现医疗数据的交互共享。分层处理跨链医疗数据方法达到良好的共享效果。为了得到高执行效率，签密过程交由智能合约完成。针对医疗数据需要经常更改的问题，智能合约上部署了修改或删除医疗数据的操作。

Abstract

Decentralized blockchain can realize the storage of medical data. Due to high isolation of blockchain from external environments

medical data in inside blockchain of medical institutions can only be shared within institution itself. To address the requester identity authentication and shared data security in cross-chain medical data sharing

a cross- chain medical data sharing scheme based on elliptic curve signcryption was devised in this article. Relay chain was used to realize interactive sharing of medical data. Cross-chain medical data was hierarchically processed for better effect of cross-chain data exchange. Signcryption process was completed by smart contracts to obtain high execution efficiency. Deletion and modification functions of medical data were deployed in smart contracts to solve the frequent updation problem of medical data.

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Keywords

references

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