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作 者:刘雄飞 于志远 包钊源 李佩峰 顾乐威 LIU Xiongfei;YU Zhiyuan;BAO Zhaoyuan;LI Peifeng;GU Lewei(Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 100190,China;Chinese People’s Liberation Army Unit 92496,Shanghai 201900,China)
机构地区:[1]中国科学院空天信息创新研究院,北京100190 [2]中国人民解放军92496部队,上海201900
出 处:《上海航天(中英文)》2023年第4期46-53,87,共9页Aerospace Shanghai(Chinese&English)
基 金:中国科学院青年创新促进会支持项目(E03307020D)。
摘 要:本文提出一种基于航天信息系统云平台的可授权数据安全共享方法。通过设计支持多关键词查询的航天信息系统云存储数据可搜索加密算法,使得在不泄露敏感信息的情况下,支持智能终端向航天信息系统云平台提交多个关键词关联的可授权共享凭证,以提供更为精准的航天信息系统加密数据。该研究按照云存储公共审计的思路,利用同态线性认证技术实现了多关键词动态查询能力。安全性分析表明:本方法可满足可认证性、密文不可区分性,可以有效抵抗对航天系统文件敏感关键词的猜测攻击。性能评估表明:本方法在实际航天信息系统云平台加密数据搜索与安全共享中具有明显的性能优势。This paper presents an efficient authorized data security sharing method based on aerospace information system cloud platform.A searchable encryption algorithm is designed for the cloud storage data of the aerospace information system that supports multi-keyword query,with which the intelligent terminal device can submit an authorized shared voucher associated with multiple keywords to the cloud server and thus more accurate encrypted data of the aerospace information system can be obtained without disclosing the sensitive information.According to the idea of cloud storage public auditing,a homomorphic linear authenticator is adopted to achieve multi-keyword dynamic query.The security analysis shows that the presented method meets the requirements of authentication and ciphertext distinguishability,and can effectively resist guessing attacks on the sensitive keywords of aerospace system files.The performance evaluation shows that this research has obvious performance advantages in the encrypted data search and security sharing of the actual aerospace information system cloud platform.
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