Cryptanalysis and improvement of the quantum private comparison protocol with semi-honest third party

Cryptanalysis and improvement of the quantum private comparison protocol with semi-honest third... Recently, a quantum private comparison (QPC) protocol with a dishonest third party (TP) (Yang et al. in Quantum Inf Process, 2012. doi: 10.1007/s11128-012-0433-4 ) was proposed, which pointed out that the assumption of semi-honest third party (TP) is unreasonable. Here we find this protocol is not so secure as it was expected, and then we give some improvement strategies, which ensure that both players’ secrets will not be leaked to anyone. We also discuss the assumption for TP in QPC protocls, which gives a constructive suggestions for the design of a new QPC protocol. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Cryptanalysis and improvement of the quantum private comparison protocol with semi-honest third party

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Publisher
Springer US
Copyright
Copyright © 2012 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/s11128-012-0507-3
Publisher site
See Article on Publisher Site

References

  • Single-photon multiparty quantum cryptographic protocols with collective detection
    Liu, B; Gao, F; Wen, QY
  • Secure quantum private comparison
    Yang, YG; Cao, WF; Wen, QY
  • Quantum private comparison using genuine four-particle entangled states
    Jia, H-Y; Wen, Q-Y; Li, Y-B; 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; Long, G

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