NDLI: An Efficient Broadcast Encryption Supporting Designation and Revocation Mechanisms

Content Provider	IET Digital Library
Author	Zhu, Yan Yu, Ruyun Chen, E Huang, Dijiang
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 e.cient 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 Di.e-Hellman exponent assumption.
Starting Page	445
Ending Page	456
Page Count	12
ISSN	10224653
Volume Number	28
e-ISSN	20755597
Issue Number	Issue 3, May (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/cje/28/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/cje.2019.02.005
Journal	Chinese Journal of Electronics
Publisher Date	2019-05-01
Access Restriction	Open
Rights Holder	© Chinese Institute of Electronics
Subject Keyword	Broadcast Communication Cryptography Cryptosystem Data Security Decisional Bilinear Diffie-Hellman Exponent Assumption Designation Mechanisms DMBE Scheme Dual-mode Broadcast Encryption Scheme Efficient Broadcast Encryption Scheme RBBE Scheme Revocation-based Broadcast Encryption Scheme Secure Group-oriented Communication Telecommunication Security
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering

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