Double C-NOT attack and counterattack on ‘Three-step semi-quantum secure direct communication protocol’

Jun Gu, Po hua Lin, Tzonelih Hwang

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Recently, Zou and Qiu (Sci China Phys Mech Astron 57:1696–1702, 2014) proposed a three-step semi-quantum secure direct communication protocol allowing a classical participant who does not have a quantum register to securely send his/her secret message to a quantum participant. However, this study points out that an eavesdropper can use the double C-NOT attack to obtain the secret message. To solve this problem, a modification is proposed.

Original languageEnglish
Article number182
JournalQuantum Information Processing
Volume17
Issue number7
DOIs
Publication statusPublished - 2018 Jul 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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