Intercept-resend attacks on Chen et al.'s quantum private comparison protocol and the improvements

Jason Lin, Hsin Yi Tseng, Tzonelih Hwang

研究成果: Comment/debate同行評審

63 引文 斯高帕斯(Scopus)

摘要

Recently, Chen et al. presented a novel quantum private comparison (QPC) protocol using triplet GHZ state to enable two parties to compare the equality of their information without revealing the content. The protocol is rather promising because it only requires single-photon measurement with the help of a semi-honest third party to complete the secret comparison. However, this study will point out that a weakness could occur in the eavesdropping check phase. That is, an intercept-resend attack could be launched by one of the two participants to reveal the information content of the other participant-a result that contradicts to the security requirement of a QPC. Fortunately, two solutions are possible to avoid the attack.

原文English
頁(從 - 到)2412-2414
頁數3
期刊Optics Communications
284
發行號9
DOIs
出版狀態Published - 2011 五月 1

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 原子與分子物理與光學
  • 物理與理論化學
  • 電氣與電子工程

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