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Multi-use unidirectional proxy re-encryption

  • Jun Shao*
  • , Peng Liu
  • , Zhenfu Cao
  • , Guiyi Wei
  • *Corresponding author for this work
  • Zhejiang Gongshang University
  • Pennsylvania State University
  • Shanghai Jiao Tong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents the first multi-use unidirectional proxy re-encryption scheme proven-secure against chosenciphertext attacks and collusion attacks in the standard model. Although our proposal features a linear ciphertext size and decryption time in the number of translations, we emphasize that it is the first multi-use and unidirectional realization of the primitive satisfying the chosen-ciphertext security and collusion resistance. The proposal gives an answer to the problem proposed by Canetti and Hohenberger at ACM CCS 2007.

Original languageEnglish
Title of host publication2011 IEEE International Conference on Communications, ICC 2011
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781612842332
DOIs
StatePublished - 2011
Externally publishedYes

Publication series

NameIEEE International Conference on Communications
ISSN (Print)0536-1486

Keywords

  • Chosen Ciphertext Security
  • Collusion Resistance
  • Multi-usability
  • Proxy Re-encryption
  • Unidirectionality

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