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author:

Zhang, Yanhua (Zhang, Yanhua.) [1] | Liu, Ximeng (Liu, Ximeng.) [2] (Scholars:刘西蒙) | Hu, Yupu (Hu, Yupu.) [3] | Jia, Huiwen (Jia, Huiwen.) [4]

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EI

Abstract:

For group signatures with verifier-local revocation (GS- VLR ), selfless-anonymity (SA), which only ensures the anonymity of a signature against an adversary not possessing the signing secret-keys for members who were involved in the generation of the challenge signature, is strictly weaker than the de facto standard anonymity notion, full-anonymity, where the adversary is allowed to corrupt all members. At ICICS 2018, Hou et al. delivered a lattice-based fully anonymous GS- VLR scheme (as one core building block for their semi-generic construction of hierarchical GS- VLR ) based on the first lattice-based GS scheme introduced by Gordon et al. at ASIACRYPT 2010. In this paper, we demonstrate that their scheme does not consider the anonymity for revoked members (no matter the misbehaving members or the honest ones who voluntarily leave), an implicit requirement for GS- VLR in a real-life application. Subsequently, we provide a modification of their construction to fix the mentioned weakness. © 2021, Springer Nature Switzerland AG.

Keyword:

Artificial intelligence Cryptography Network security

Community:

  • [ 1 ] [Zhang, Yanhua]Zhengzhou University of Light Industry, Zhengzhou; 450001, China
  • [ 2 ] [Liu, Ximeng]Fuzhou University, Fuzhou; 350108, China
  • [ 3 ] [Hu, Yupu]Xidian University, Xi’an; 710071, China
  • [ 4 ] [Jia, Huiwen]Guangzhou University, Guangzhou; 510006, China

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Source :

ISSN: 0302-9743

Year: 2021

Volume: 13041 LNCS

Page: 369-382

Language: English

0 . 4 0 2

JCR@2005

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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