4.6 Article

A new non-entangled quantum secret sharing protocol among different nodes in further quantum networks

期刊

FRONTIERS IN PHYSICS
卷 10, 期 -, 页码 -

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fphy.2022.1021113

关键词

quantum secret sharing; quantum network; quantum secure communication; orthogonal product states; quantum cryptography

资金

  1. National Natural Science Foundation of China [61802118]
  2. Natural Science Foundation of Heilongjiang Province [YQ2020F013, LH2019F031]
  3. Heilongjiang Provincial Key Laboratory of the Theory and Computation of Complex Systems
  4. Advanced Programs of Heilongjiang Province for the overseas scholars
  5. Outstanding Youth Fund of Heilongjiang University

向作者/读者索取更多资源

In this study, a new four-party quantum secret sharing protocol based on locally indistinguishable orthogonal product (LIOP) states is proposed for quantum network communication. The protocol does not require entangled resources or complicated operations, and enhances defense against existing attacks.
As an important branch of quantum secure multi-party computation, quantum secret sharing (QSS) can distribute secret information among dishonest network nodes without revealing the secrets. In this study, a new four-party QSS protocol based on locally indistinguishable orthogonal product (LIOP) states is first proposed for quantum network communication. Then, the general multiparty QSS model based on LIOP states will be expanded. Combined with the property of LIOP states and obfuscating operation, the source node can send the secrets to different destination nodes in the quantum network. Accordingly, it is proven that the destination nodes have to work together to recover the shared secrets against some existing attacks. Furthermore, no entangled resources and complicated operations are required in the presented protocol. We hope the results could make positive effects to the development of quantum secure communication in the future.

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