Multiparty quantum secret sharing of secure direct communication using single photons

2008 ◽  
Vol 281 (9) ◽  
pp. 2690-2694 ◽  
Author(s):  
Lian-Fang Han ◽  
Yi-Min Liu ◽  
Jun Liu ◽  
Zhan-Jun Zhang
2008 ◽  
Vol 86 (9) ◽  
pp. 1097-1101 ◽  
Author(s):  
H Ma ◽  
B Chen ◽  
Z Guo ◽  
H Li

In this paper, we develop a quantum network with a mutual quantum secure direct communication scheme based on multiparty quantum secret sharing. This quantum network, assumed to contain clusters S, M, and D, shares a sequence of single photons and Greenberger–Horne–Zeilinger (GHZ) states. Each cluster is made of the same or similar quantum nodes gathered or occurring closely together. The feature of this scheme is that the communication between two clusters depends on the agreement of the third cluster. We also prove that such a quantum network is unconditionally secure.PACS Nos.: 03.67.–Dd, 03.67.–Hk, 89.70.–a


Author(s):  
Mohammad Sadegh Sadeghi-Zadeh ◽  
Mahsa Khorrampanah ◽  
Monireh Houshmand ◽  
Hossein Aghababa ◽  
Yousef Mafi

2009 ◽  
Vol 26 (1) ◽  
pp. 010302 ◽  
Author(s):  
Li Bao-Kui ◽  
Yang Yu-Guang ◽  
Wen Qiao-Yan

2011 ◽  
Vol 11 (5&6) ◽  
pp. 434-443
Author(s):  
Tian-Yin Wang ◽  
Qiao-Yan Wen

The security of a kind of quantum secret sharing with single photons was analyzed recently, and it was shown that almost all the present schemes in this kind were not secure in the sense that an unauthorized set of participants can gain access to the dealer's secret without introducing any error. In this paper, we give a general model for this kind of quantum secret sharing. Then we analyze the conditions that make it immune to all the present attacks. Finally, we give a feasible way to design secure quantum secret sharing schemes in the model.


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