Efficient designated server identity-based encryption with conjunctive keyword search
作者: Yang LuGang WangJiguo LiJian Shen
作者单位: 1Hohai University
2Nanjing University of Information Science and Technology
刊名: Annals of Telecommunications, 2017, Vol.72 (5-6), pp.359-370
来源数据库: Springer Nature Journal
DOI: 10.1007/s12243-017-0574-7
关键词: Identity-based encryptionConjunctive keyword searchDesignated serverRandom oracle model
英文摘要: Public key encryption with keyword search is a useful primitive that provides searchable ciphertexts for some predefined keywords. It allows a user to send a trapdoor to a storage server, which enables the latter to locate all encrypted data containing the keyword(s) encoded in the trapdoor. To remove the requirement of a secure channel between the server and the receiver in identity-based encryption with keyword search, Wu et al. proposed a designated server identity-based encryption scheme with keyword search. However, our cryptanalysis indicates that Wu et al.’s scheme fails in achieving the ciphertext indistinguishability. To overcome the security weakness in the scheme and offer the multiple-keyword search function, we put forward a designated server identity-based encryption scheme...
原始语种摘要: Public key encryption with keyword search is a useful primitive that provides searchable ciphertexts for some predefined keywords. It allows a user to send a trapdoor to a storage server, which enables the latter to locate all encrypted data containing the keyword(s) encoded in the trapdoor. To remove the requirement of a secure channel between the server and the receiver in identity-based encryption with keyword search, Wu et al. proposed a designated server identity-based encryption scheme with keyword search. However, our cryptanalysis indicates that Wu et al.’s scheme fails in achieving the ciphertext indistinguishability. To overcome the security weakness in the scheme and offer the multiple-keyword search function, we put forward a designated server identity-based encryption scheme...
全文获取路径: Springer Nature  (合作)
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关键词翻译
关键词翻译
  • encryption 加密
  • keyword 关键词
  • conjunctive 连接着的
  • designated 指定的
  • server 服务程序
  • trapdoor 井盖门
  • identity 恒等性
  • cryptanalysis 密码分析
  • search 搜索
  • ciphertext 加密电文