基于区块链的民航旅客隐私信息保护方案  

Civil Aviation Passenger Privacy Information Protection Scheme Based on Blockchain

作　　者：李文轩 曹卫东[1] LI Wenxuan;CAO Weidong(School of Computer Science and Technology,Civil Aviation University of China,Tianjin 300300,China)

机构地区：[1]中国民航大学计算机科学与技术学院,天津300300

出　　处：《郑州大学学报（理学版）》2025年第2期69-77,共9页Journal of Zhengzhou University:Natural Science Edition

基　　金：民航安全能力项目(SA20200280)。

摘　　要：目前的民航信息系统必须获取机票和旅客明文信息,才能进行出行验证,存在很高的旅客隐私信息泄露风险。针对此问题,提出一种基于区块链的民航旅客隐私信息保护方案。首先利用网络身份标识和数字证书技术实现区块链账户的实名制注册,确保信息的真实性;其次采用零知识证明和环签名叠加构造安全的信息认证协议,实现旅客隐私信息完全匿名验证,确保真实信息匿名可验证性;进一步对存储在区块链上的敏感信息利用K-匿名技术脱敏,加强信息的安全存储。实验结果和性能分析表明,该方案能够提供安全有效的民航旅客隐私信息保护,且必要的信息验证总耗时满足效率需求。The ticket and passenger plaintext information for travel verification in the current civil aviation information system had to be obtained,which posed a high risk of passenger privacy information leakage.To address this problem,a blockchain-based solution for protecting the privacy information of civil aviation passengers was proposed.Firstly,the real-name registration of blockchain accounts was achieved by utilizing network identity and digital certificate technology to ensure the authenticity of information.Secondly,a secure information authentication protocol was constructed using zero-knowledge proof and ring signature overlay to enable the completely anonymous verification of passenger privacy information and ensure the anonymous verifiability of real information.Furthermore,K-anonymity technology was employed to desensitize sensitive information stored on the blockchain,thereby enhancing the security of information storage.Experimental results and performance analysis showed that the scheme could provide secure and effective protection of civil aviation passenger privacy information,and the efficiency requirements regarding the necessary total time spent on information verification were met.

关 键 词：民航旅客信息 隐私信息保护 区块链 零知识证明 K-匿名技术 

分 类 号：TP39[自动化与计算机技术—计算机应用技术]