Attribute-based public encryption with keyword search

2004年，Boneh等人利用匿名的基于身份的加密方案构造了一个公钥可搜索加密方案（PEKS），解决了特定环境下对加密数据进行检索的这一困难问题。已有的可搜索加密方案，通信模式往往是一对一的，关键词密文也只能被特定的单个用户查询或解密，这样的通讯模式在实际的系统中有很多局限性。作者首次给出了基于属性的可搜索方案（ATT-PEKS）的定义和构造算法。此方案与PEKS的不同之处在于基于属性的可搜索方案是适应群组的公钥加密搜索方案，扩大了信息的共享性，节省了第三方信息存储的空间。作者同时对此方案进行了一致性分析和安全性证明。In 2004,Boneh using anonymous hierarchical identity-based encryption schemeconstructed a public key searchable encryption scheme (Public Key Encryption with Keyword Searchshorthand for PEKS),which was proposed to solve the difficult task of the encrypted data to beretrieved under certain circumstances.Existing searchable encryption scheme,the mode ofcommunication is often one-to-one;keyword cipher text can only be queried and decrypted by aparticular individual user.There are a lot of limitations in this mode of communication in theactual system.We firstly present the definition of Attribute-Based Public Encryption with Key-word Search (ATT-PEKS)and the algorithm of construction.ATT-PEKS is different fromPEKS,which based on the user’s property is adapt to the group’s public key encryption searchprogram,expands the information sharing,saves storage space of third-party information.Wealso give the analysis of consistency and the proof of security.国家自然科学基金; 北京市属高等学校人才强教计划PHR; 北京市自然科学基金; 北京市哲学社会科学规划项目EI中文核心期刊要目总览(PKU)中国科技核心期刊(ISTIC)中国科学引文数据库(CSCD)051017-10243