Comments on two group signatures

Chih Hung Wang, Tzonelih Hwang, Narn Yih Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Most of the previous group signature schemes were interactive in the verification procedure between signer and verifier. At JW-ISC'95 conference, Park et al. (1995) proposed a non-interactive one using the technique of γth residuosity. Afterwards, Kim et al. proposed a simpler but functionally equivalent scheme to reduce the computational complexity. However, this article will show that both group signature schemes cannot identify the original signer uniquely even if the signer is honest to follow the signing procedure.

Original languageEnglish
Pages (from-to)95-97
Number of pages3
JournalInformation Processing Letters
Volume69
Issue number2
DOIs
Publication statusPublished - 1999 Jan 29

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Signal Processing
  • Information Systems
  • Computer Science Applications

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