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针对服务器安全的指定验证者可搜索公钥加密

邵志毅，杨 波，吴振强，张明武   

  1. 1. 陕西师范大学 计算机科学学院，陕西 西安 710062；2. 湖北工业大学 计算机学院，湖北 武汉 430068
  • 出版日期:2014-11-25 发布日期:2014-12-17
  • 基金资助:
    国家自然科学基金资助项目 (61272436,61272404,61173190,61402275); 广东省自然科学基金资助项目 (10351806001000000)

Searchable public key encryption with designated verifier secure against the server

  • Online:2014-11-25 Published:2014-12-17

摘要： 在指定验证者的可搜索公钥加密(dPEKS)中，提出IND-KGA-SERVER安全模型，形式化描述针对服务器的安全。基于IND-KGA安全的dPEKS、数字证书授权中心CA、以及强不可伪造和不可否认的签名，在攻击者是服务器的情况下构造出抗KG(keyword guessing)攻击的dPEKS方案。方案是从IND-KGA安全到IND-KGA-SERVER安全的编译器。

Abstract: In designated verifier searchable public key encryption (dPEKS) schemes, the IND-KGA-SERVER security was proposed to formalize the security against the server. Based on the IND-KGA secure dPEKS, the CA (certificate authority), and the strongly unforgeable and undeniable signature, the solution was proposed to show how to construct dPEKS schemes which are secure against KG (keyword guessing) attacks when the attacker is the server. The solution is a bootstrap from IND-KGA secure to IND-KGA-SERVER secure.

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