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Quantum Entropy Information Measures

Same Initial States Attack in Yang et al.'s Quantum Private Comparison Protocol and the Improvement

arXiv
Authors: Wen-Jie Liu, Chao Liu, Zhi-Hao Liu, Jing-Fa Liu, Huan-Tong Geng

Year

2013

Paper ID

2393

Status

Preprint

Abstract Read

~2 min

Abstract Words

103

Citations

N/A

Abstract

In Yang et al.'s literatures (J. Phys. A: Math. 42, 055305, 2009; J. Phys. A:Math. 43, 209801, 2010), a quantum private comparison protocol based on Bell states and hash function is proposed, which aims to securely compare the equality of two participants' information with the help of a dishonest third party (TP). However, this study will point out their protocol cannot resist a special kind of attack, TP's same initial states attack, which is presented in this paper. That is, the dishonest TP can disturb the comparison result without being detected through preparing the same initial states. Finally, a simple improvement is given to avoid the attack.

Why This Paper Matters

  • This paper contributes to the Quantum Entropy & Information Measures research area in the Quantum Articles archive.
  • It adds a 2013 reference point for readers tracking recent quantum research.
  • In Yang et al.'s literatures (J.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1312.5562 [2] arXiv https://arxiv.org/abs/1312.5562 [3] Publisher https://arxiv.org/abs/1312.5562

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