Novel multiparty quantum key agreement protocol with GHZ states

Novel multiparty quantum key agreement protocol with GHZ states In many circumstances, a shared key is needed to realize secure communication. Based on quantum mechanics principles, quantum key agreement (QKA) is a good method to establish a shared key by every party’s fair participation. In this paper, we propose a novel three-party QKA protocol, which is designed by using Greenberger–Horne–Zeilinger (GHZ) states. To realize the protocol, the distributor of the GHZ states needs only one quantum communication with the other two parties, respectively, and everyone performs single-particle measurements simply. Then, we extend the three-party QKA protocol to arbitrary multiparty situation. At last, we discuss the security and fairness of the multiparty protocol. It shows that the new scheme is secure and fair to every participant. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Novel multiparty quantum key agreement protocol with GHZ states

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Publisher
Springer US
Copyright
Copyright © 2014 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/s11128-014-0816-9
Publisher site
See Article on Publisher Site

References

  • Improving the security of multiparty quantum secret sharing against an attack with a fake signal
    Qin, SJ; Gao, F; Wen, QY
  • Quantum key distribution without alternative measurements and rotations
    Gao, F; Guo, FZ; Wen, QY
  • New quantum private comparison protocol using EPR pairs
    Tseng, HY; Lin, J; Hwang, T
  • Arbitrated quantum signature scheme with message recovery
    Lee, H; Hong, CH; Kim, H
  • An arbitrated quantum signature scheme with fast signing and verifying
    Liu, F; Qin, SJ; Su, Q

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