Construction of Fully CCA-Secure Predicate Encryptions from Pair Encoding Schemes

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• 关键词：Predicate encryption schemes ; Chosen ; ciphertext security ; Full security ; Key ; encapsulation mechanisms ; Pair encoding schemes
• 刊名：Lecture Notes in Computer Science
• 出版年：2016
• 出版时间：2016
• 年：2016
• 卷：9610
• 期：1
• 页码：431-447
• 全文大小：559 KB
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• 作者单位：Johannes Blömer (14)
  Gennadij Liske (14)
  
  14. Paderborn University, Paderborn, Germany
  
• 丛书名：Topics in Cryptology - CT-RSA 2016
• ISBN：978-3-319-29485-8
• 刊物类别：Computer Science
• 刊物主题：Artificial Intelligence and Robotics
  Computer Communication Networks
  Software Engineering
  Data Encryption
  Database Management
  Computation by Abstract Devices
  Algorithm Analysis and Problem Complexity
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1611-3349

文摘

This paper presents a new framework for constructing fully CCA-secure predicate encryption schemes from pair encoding schemes. Our construction is the first in the context of predicate encryption which uses the technique of well-formedness proofs known from public key encryption. The resulting constructions are simpler and more efficient compared to the schemes achieved using known generic transformations from CPA-secure to CCA-secure schemes. The reduction costs of our framework are comparable to the reduction costs of the underlying CPA-secure framework. We achieve this last result by applying the dual system encryption methodology in a novel way.