(Convertible) undeniable signatures without random oracles

Tsz Hon Yuen, Man Ho Au, Joseph K. Liu, Willy Susilo

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

16 Citations (Scopus)


We propose a convertible undeniable signature scheme without random oracles. Our construction is based on Waters' and Kurosawa and Heng's schemes that were proposed in Eurocrypt 2005. The security of our scheme is based on the CDH and the decision linear assumption. Comparing only the part of undeniable signatures, our scheme uses more standard assumptions than the existing undeniable signatures without random oracles due to Laguillamie and Vergnaud.

Original languageEnglish
Title of host publicationInformation and Communications Security - 9th International Conference, ICICS 2007, Proceedings
Number of pages15
Publication statusPublished - 1 Dec 2007
Externally publishedYes
EventInternational Conference on Information and Communications Security 2007 - Zhengzhou, China
Duration: 12 Dec 200715 Dec 2007
Conference number: 9th
https://link.springer.com/book/10.1007/978-3-540-77048-0 (Proceedings)

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume4861 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349


ConferenceInternational Conference on Information and Communications Security 2007
Abbreviated titleICICS 2007
Internet address


  • Convertible undeniable signature
  • Pairings
  • Random oracle model

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