Attacks on threshold signature schemes with traceable signers

Yuh Min Tseng, Jinn Ke Jan

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)


In 1998, Wang et al. proposed two new (t, n)-threshold signature schemes with traceable signers that can withstand conspiracy attacks without attaching a secret number. However, this article will show that the proposed schemes are insecure by presenting a forgery attack on them. Any malicious attacker can generate a valid group signature for any message without knowing any secret keys of members in a group.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalInformation Processing Letters
Issue number1
Publication statusPublished - 1999 Jul 16

All Science Journal Classification (ASJC) codes

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

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