Comment on "proactive quantum secret sharing"

Gan Gao

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Comment on "proactive quantum secret sharing"

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arxiv 1607.08235 v1 pith:O3YXRPU4 submitted 2016-07-27 quant-ph

Gan Gao This is my paper · ORCID

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keywords proposedquantumschemesecretdistributionphaseproactivesharing

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In the paper [Quantum Inf. Process. 14, 4237-4244 (2015)], Qin and Dai proposed a proactive quantum secret sharing scheme. We study the security of the proposed scheme and find that it is not secure. In the distribution phase of the proposed scheme, two dishonest participants may collaborate to eavesdrop the secret of the dealer without introducing any error. Incidentally, a possible improvement of the distribution phase is given.

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