Comment on quantum private comparison protocols with a semi-honest third party

Comment on quantum private comparison protocols with a semi-honest third party As an important branch of quantum cryptography, quantum private comparison (QPC) has recently received a lot of attention. In this paper we study the security of previous QPC protocols with a semi-honest third party (TP) from the viewpoint of secure multi-party computation and show that the assumption of a semi-honest TP is unreasonable. Without the unreasonable assumption of a semi-honest TP, one can easily find that the QPC protocol (Tseng et al. in Quantum Inf Process, 2011, doi: 10.1007/s11128-011-0251-0 ) has an obvious security flaw. Some suggestions about the design of QPC protocols are also given. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Comment on quantum private comparison protocols with a semi-honest third party

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Publisher
Springer US
Copyright
Copyright © 2012 by Springer Science+Business Media, LLC
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/s11128-012-0433-4
Publisher site
See Article on Publisher Site

Abstract

As an important branch of quantum cryptography, quantum private comparison (QPC) has recently received a lot of attention. In this paper we study the security of previous QPC protocols with a semi-honest third party (TP) from the viewpoint of secure multi-party computation and show that the assumption of a semi-honest TP is unreasonable. Without the unreasonable assumption of a semi-honest TP, one can easily find that the QPC protocol (Tseng et al. in Quantum Inf Process, 2011, doi: 10.1007/s11128-011-0251-0 ) has an obvious security flaw. Some suggestions about the design of QPC protocols are also given.

Journal

Quantum Information ProcessingSpringer Journals

Published: Jun 22, 2012

References

  • Quantum secret sharing without entanglement
    Guo, G.P.; Guo, G.C.
  • Cryptanalysis and improvement of multiparty quantum secret sharing schemes
    Wang, T.Y.; Wen, Q.Y.; Gao, F.; Lin, S.; Zhu, F.C.
  • New quantum private comparison protocol using EPR pairs
    Tseng, H.-Y.; Lin, J.; Hwang, T.
  • Quantum protocol for millionaire problem
    Jia, H.Y.; Wen, Q.Y.; Song, T.T.; Gao, F.
  • Teleportation attack on the QSDC protocol with a random basis and order
    Gao, F.; Wen, Q.; Zhu, F.
  • Eavesdropping in a quantum secret sharing protocol based on Grover algorithm and its solution
    Hao, L.; Li, J.L.; Long, G.L.

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