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Scalable Quantum Secret Sharing Extended from Quantum Key Distribution |
| LIU Wei-Tao;LIANG Lin-Mei;LI Cheng-Zu;YUAN Jian-Min |
| Department of Physics, National University of Defense Technology, Changsha 410073 |
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| Cite this article: |
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LIU Wei-Tao, LIANG Lin-Mei, LI Cheng-Zu et al 2007 Chin. Phys. Lett. 24 1147-1150 |
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Abstract We suggest a general approach for extending quantum key distribution (QKD) protocols possessing discrete rotational symmetry into quantum secret sharing (QSS) schemes among multiparty, under certain conditions. Only local unitary operations are required for this generalization based on the almost mature technologies of QKD. Theoretically, the number of the participating partners can be arbitrary high. As an application of this method, we propose a fault-tolerant QSS protocol based on a fault-tolerant QKD implementation. The 6-state protocol is also discussed.
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| Keywords:
03.67.Dd
03.67.Hk
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Received: 08 February 2007
Published: 23 April 2007
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| PACS: |
03.67.Dd
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(Quantum cryptography and communication security)
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03.67.Hk
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(Quantum communication)
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