Netinfo Security ›› 2023, Vol. 23 ›› Issue (4): 39-50.doi: 10.3969/j.issn.1671-1122.2023.04.005

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Overview of Research on the Revocable Mechanism of Attribute-Based Encryption

LI Li1, ZHU Jiangwen2(), YANG Chunyan2   

  1. 1. Department of Electronic and Communication Engineering, Beijing Electronic Science and Technology Institute, Beijing 100070, China
    2. School of Computer Science and Technology, Xidian University, Xi’an 710071, China
  • Received:2022-10-12 Online:2023-04-10 Published:2023-04-18
  • Contact: ZHU Jiangwen E-mail:zhinen@stu.xidian.edu.cn

Abstract:

Attribute-based encryption is an important cryptographic technique for achieving fine-grained access control of data files in group communication systems. However, addressing the revocation of users or attributes is crucial due to the existence of user joining, exiting, and attribute changing in group communication systems. Based on the classification and construction of revocable attribute-based encryption schemes, this paper focused on the research progress and development of revocable attribute-based encryption schemes. This paper provided a comprehensive analysis and comparison of existing revocable attribute-based encryption schemes from three revocation mechanisms: direct revocation, indirect revocation, and hybrid revocation. At the same time, discussing the shortcomings and issues of revocable attribute-based encryption mechanisms and possible future directions.

Key words: attribute-based encryption, direct revocation, indirect revocation, hybrid revocation

CLC Number: