Controlled quantum dialogue robust against conspiring users

Shih Hung Kao, Tzonelih Hwang

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


This paper explores a new security problem in controlled quantum dialogue (CQD) protocols, where the communicants may try to conspire to communicate without the controller’s permission. According to our survey, all the previous CQD protocols suffer from this attack. In order to resolve this problem, we also present an improvement protocol. The security analyses show that the improved scheme is secure under this and other well-known attacks.

Original languageEnglish
Pages (from-to)4313-4324
Number of pages12
JournalQuantum Information Processing
Issue number10
Publication statusPublished - 2016 Oct 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Statistical and Nonlinear Physics
  • Theoretical Computer Science
  • Signal Processing
  • Modelling and Simulation
  • Electrical and Electronic Engineering


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