Controlled quantum secure direct communication by entanglement distillation or generalized measurement

Controlled quantum secure direct communication by entanglement distillation or generalized... We propose two controlled quantum secure communication schemes by entanglement distillation or generalized measurement. The sender Alice, the receiver Bob and the controllers David and Cliff take part in the whole schemes. The supervisors David and Cliff can control the information transmitted from Alice to Bob by adjusting the local measurement angles $$\theta _4$$ θ 4 and $$\theta _3$$ θ 3 . Bob can verify his secret information by classical one-way function after communication. The average amount of information is analyzed and compared for these two methods by MATLAB. The generalized measurement is a better scheme. Our schemes are secure against some well-known attacks because classical encryption and decoy states are used to ensure the security of the classical channel and the quantum channel. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Controlled quantum secure direct communication by entanglement distillation or generalized measurement

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Publisher
Springer Journals
Copyright
Copyright © 2016 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-016-1268-1
Publisher site
See Article on Publisher Site

Abstract

We propose two controlled quantum secure communication schemes by entanglement distillation or generalized measurement. The sender Alice, the receiver Bob and the controllers David and Cliff take part in the whole schemes. The supervisors David and Cliff can control the information transmitted from Alice to Bob by adjusting the local measurement angles $$\theta _4$$ θ 4 and $$\theta _3$$ θ 3 . Bob can verify his secret information by classical one-way function after communication. The average amount of information is analyzed and compared for these two methods by MATLAB. The generalized measurement is a better scheme. Our schemes are secure against some well-known attacks because classical encryption and decoy states are used to ensure the security of the classical channel and the quantum channel.

Journal

Quantum Information ProcessingSpringer Journals

Published: Feb 20, 2016

References

  • Controlled bidirectional quantum secure direct communication
    Chou, YH; Lin, YT; Zeng, GJ; Lin, FJ; Chen, CY
  • Bidirectional controlled quantum teleportation and secure direct communication using five-qubit entangled state
    Li, YH; Li, XL; Sang, MH; Nie, YY; Wang, ZS
  • Efficient controlled quantum secure direct communication based on GHZ-like states
    Shima, H; Monireh, H
  • Efficient semi-direct three-party quantum secure exchange of information
    Nguyen, BA
  • Quantum secure direct communication with optimal quantum superdense coding by using general four-qubit states
    Liu, ZH; Chen, HW; Liu, WJ; Xu, J; Wang, D; Li, ZQ

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