Access control encryption with efficient verifiable sanitized decryption

Huige Wang, Kefei Chen, Joseph K. Liu, Ziyuan Hu, Yu Long

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Abstract

Access control encryption (ACE), as a new cryptographic framework was proposed by Damgard et al. (at TCC 2016), enables controlling both the writing users and the reading users. Recently, a number of access control encryptions are proposed, but none of them are able to implement the verifiability of the sanitized ciphertexts which may lead to incorrect decryption. To solve this problem, by adapting Kim and Wu's techniques (at ASIACRYPT 2017) and combining with the strong randomness extractor, we put forward a generic framework of access control encryption with verifiable sanitized decryption for arbitrary policy. The instantiabilities of the used building blocks from standard assumptions illustrates that our new construction works well. Moreover, we prove that our scheme not only satisfies the standard security definitions of access control encryption but also achieves the verifiability security for the sanitized ciphertexts.

Original languageEnglish
Pages (from-to)72-85
Number of pages14
JournalInformation Sciences
Volume465
DOIs
Publication statusPublished - Oct 2018

Keywords

  • Access control encryption
  • No-Read rule
  • No-Write rule
  • Verifiable sanitized decryption

Cite this

Wang, Huige ; Chen, Kefei ; Liu, Joseph K. ; Hu, Ziyuan ; Long, Yu. / Access control encryption with efficient verifiable sanitized decryption. In: Information Sciences. 2018 ; Vol. 465. pp. 72-85.
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Access control encryption with efficient verifiable sanitized decryption. / Wang, Huige; Chen, Kefei; Liu, Joseph K.; Hu, Ziyuan; Long, Yu.

In: Information Sciences, Vol. 465, 10.2018, p. 72-85.

Research output: Contribution to journalArticleResearchpeer-review

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