TY - JOUR
T1 - Collusion Attack and Counterattack on the Quantum Key Agreement Via Non-maximally Entangled Cluster States
AU - Gu, Jun
AU - Hwang, Tzonelih
N1 - Funding Information:
We would like to thank the Ministry of Science and Technology of the Republic of China, Taiwan for partially supporting this research in finance under the Contract No. MOST 109-2221-E-006-168-; No. MOST 108-2221-E-006-107-.
Funding Information:
We would like to thank the Ministry of Science and Technology of the Republic of China, Taiwan for partially supporting this research in finance under the Contract No. MOST 109-2221-E-006-168-; No. MOST 108-2221-E-006-107-.
Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC part of Springer Nature.
PY - 2021/1
Y1 - 2021/1
N2 - 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.
AB - 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.
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U2 - 10.1007/s10773-020-04695-8
DO - 10.1007/s10773-020-04695-8
M3 - Article
AN - SCOPUS:85098659948
VL - 60
SP - 331
EP - 337
JO - International Journal of Theoretical Physics
JF - International Journal of Theoretical Physics
SN - 0020-7748
IS - 1
ER -