通信学报2025，Vol.46Issue(3)：131-143,13.DOI:10.11959/j.issn.1000-436x.2025036
支持模式隐藏的多关键词公钥可搜索加密方案
Multi-keyword public key searchable encryption scheme with pattern hiding
摘要
Abstract
To address the limitations of existing multi-user searchable encryption(SE)schemes that fail to hide access patterns,search patterns,and resist keyword guessing attacks,a novel public-key searchable encryption scheme was pro-posed supporting multi-user and multi-keyword searches.Multi-writer/multi-reader functionality was enabled in distrib-uted systems and employed three key techniques:the secure bit decomposition(SBD)protocol,efficient privacy-preserving outsourced calculation framework with multiple key(EPOM),and randomly introducing false positives to achieve access pattern and search pattern hiding.Each user was allowed to encrypt/upload data and search all authorized encrypted data by the multi-writer/multi-reader capability.The search processing through parallel search across multiple servers was accelerated while maintaining only one encrypted index for all readers.Theoretical analysis and experimen-tal results demonstrate that the proposed scheme satisfies the indistinguishability of trapdoors and ciphertext,supports multi-type Boolean searches,preserves search and access pattern privacy,and achieves execution efficiency comparable to state-of-the-art public-key SE schemes.关键词
模式隐藏/多关键词/多写者/多读者/公钥可搜索加密/数据共享安全Key words
pattern hiding/multi-keyword/multi-writer/multi-reader/public key searchable encryption/data sharing secu-rity分类
信息技术与安全科学引用本文复制引用
聂旭云,成驰,耿聪,廖泽宇,焦丽华,陈瑞东,陈大江..支持模式隐藏的多关键词公钥可搜索加密方案[J].通信学报,2025,46(3):131-143,13.基金项目
国家重点研发计划基金资助项目(No.2023YFB3106402) The National Key Research and Development Program of China(No.2023YFB3106402) （No.2023YFB3106402）
