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Efficient multiparty quantum secret sharing of classical messages | | Jian Wang
; Quan Zhang
; Chao-jing Tang
; | | Date: |
27 Oct 2005 | | Abstract: | In this paper, we present an (n, n) threshold quantum secret sharing scheme of classical messages using Greenberger-Horne-Zeilinger state. The present scheme is more efficient than the schemes proposed by Li Xiao, Gui Lu Long, Fu Guo Deng, and Jian Wei Pan [Phys. Rev. A 69, 052307 (2004)] in that all the Greenberger-Horne-Zeilinger states used in the quantum secret sharing scheme are used to generate shared secret messages except those chosen for checking eavesdropper. In our scheme, the measuring basis of communication parties is invariable and the classical information used to check eavesdropping needs only the results of measurements of the communication parties. Another nice feature of our scheme is that the sender can transmit her secret messages to the receivers directly, di?erent from the QSS scheme whose object is essentially to allow a sender to establish a shared key with the receivers. This feature of our scheme is similar to that of quantum secret direct communication. | | Source: | arXiv, quant-ph/0510212 | | Services: | Forum | Review | PDF | Favorites | |
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