Collusion Attack and Counterattack on the Quantum Key Agreement Via Non-maximally Entangled Cluster States

研究成果: Article同行評審

摘要

Recently, Li et al. (Int J Theor Phys: DOI: https://doi.org/10.1007/s10773-020-04588-w, 2020) proposed a multiparty quantum key agreement protocol via non-maximally entangled cluster states. They claimed that the proposed protocol can help all the involved participants have equal influence on the final shared key. However, this study points out a loophole that makes Li et al.’s protocol suffer from a collusion attack, i.e. several dishonest participants can conspire to manipulate the final shared key without being detected by others. To avoid this loophole, an improvement is proposed here.

原文English
期刊International Journal of Theoretical Physics
DOIs
出版狀態Accepted/In press - 2021

All Science Journal Classification (ASJC) codes

  • Mathematics(all)
  • Physics and Astronomy (miscellaneous)

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