An efficient broadcast encryption supporting designation and revocation mechanisms

Yan Zhu, Ruyun Yu, E. Chen, Dijiang Huang

Research output: Contribution to journalArticle

Abstract

In this paper our objective is to explore approaches of secure group-oriented communication with designation and revocation mechanisms simultaneously. We present a new scheme of Revocation-based broadcast encryption (RBBE) which is designed on Dan Boneh et al.'s scheme with the designation mechanism proposed in 2005. We combine two above-mentioned schemes into a new cryptosystem, called Dual-mode broadcast encryption (DMBE). Based on these work, we reach the following conclusions. We use the DMBE scheme as an example to show that it is feasible to construct a broadcast encryption scheme that supports designation and revocation mechanisms simultaneously. The cryptosystem with dual modes is more efficient than that with single mode over computational costs, and the performance is improved to at most O(⌈N/2⌉), where N is the total number of users in the system. We prove completely that both the RBBE scheme and the DMBE scheme are semantically secure against chosen plaintext attack with full collusion under the decisional bilinear Diffie-Hellman exponent assumption.

Original languageEnglish (US)
Pages (from-to)445-456
Number of pages12
JournalChinese Journal of Electronics
Volume28
Issue number3
DOIs
StatePublished - Jan 1 2019

Fingerprint

Broadcast Encryption
Revocation
Cryptography
Cryptosystem
Collusion
Diffie-Hellman
Single Mode
Computational Cost
Exponent
Attack
Communication

Keywords

  • Broadcast encryption
  • Cryptography
  • Designation
  • Dual modes
  • Provable security
  • Revocation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

An efficient broadcast encryption supporting designation and revocation mechanisms. / Zhu, Yan; Yu, Ruyun; Chen, E.; Huang, Dijiang.

In: Chinese Journal of Electronics, Vol. 28, No. 3, 01.01.2019, p. 445-456.

Research output: Contribution to journalArticle

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