Generic Construction of Chosen Ciphertext Secure Proxy Re-Encryption

  • Goichiro Hanaoka
  • Yutaka Kawai
  • Noboru Kunihiro
  • Takahiro Matsuda
  • Jian Weng
  • Rui Zhang
  • Yunlei Zhao
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7178)

Abstract

In this paper, we present the first generic construction of a chosen-ciphertext (CCA) secure uni-directional proxy re-encryption (PRE) scheme. In particular, full CCA security (i.e., not relaxed CCA security such as replayable CCA security) of our proposed scheme is proven even against powerful adversaries that are given a more advantageous attack environment than in all previous works, and furthermore, random oracles are not required. To achieve such strong security, we establish a totally novel methodology for designing PRE based on a specific class of threshold encryption. Via our generic construction, we present the first construction that is CCA secure in the standard model.

Keywords

Random Oracle Challenge Ciphertext Decryption Oracle Decryption Query Chosen Ciphertext Attack 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Goichiro Hanaoka
    • 1
  • Yutaka Kawai
    • 2
  • Noboru Kunihiro
    • 2
  • Takahiro Matsuda
    • 1
  • Jian Weng
    • 3
  • Rui Zhang
    • 4
  • Yunlei Zhao
    • 5
  1. 1.National Institute of Advance Industrial Science and Technology (AIST)Japan
  2. 2.The University of TokyoJapan
  3. 3.Department of Computer ScienceJinan UniversityChina
  4. 4.SKLOIS, Institute of SoftwareChinese Academy of SciencesChina
  5. 5.Software SchoolFudan UniversityChina

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