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Controlled Quantum Secure Direct Communication Based on Single Photons

  • Wei-Lin Chang
  • Fang-Jhu Lin
  • Guo-Jyun Zeng
  • Yao-Hsin Chou
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 21)

Abstract

We propose a quantum secure direct communication protocol with a controller, who assists the agent gets the secret messages sent from the dealer. Single photons are used to carry dealer’s message, so the cost of our protocol is less than others use entangled qubits. If any eavesdropper tries to steal dealer’s messages, the lawful participants will perceive it and abort their transmission.

Keywords

quantum secure direct communication single photons 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Wei-Lin Chang
    • 1
  • Fang-Jhu Lin
    • 1
  • Guo-Jyun Zeng
    • 1
  • Yao-Hsin Chou
    • 1
  1. 1.Department of Computer Science and Information EngineeringNational Chi-Nan UniversityPuliTaiwan

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