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| Multiparty-to-multiparty Quantum Secret Sharing Based on Dense-coding |
| Du Yu-tao①② Bao Wan-su① Guan Wen-qiang② Zhou Chun① Fu Xiang-qun① |
①(PLA Information Engineering University, Zhengzhou 450004, China)
②(Unit 72850 of the PLA, Ji’nan 250031, China) |
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Abstract To solve the problem of secret sharing between multiparty and multiparty, a new multiparty-to- multiparty quantum secret sharing protocol is proposed based on dense-coding. It performs different local operations on different photons of the Bell state, choosing separately from the random phase shift operations and the combinations of Pauli operations and either Hadamard operation or I operation. This protocol can resist not only the existing attacks such as the dense-coding attack and the entanglement-swapping attack, but also the cheating attack from the agent, which is viewed as verifiability. Meanwhile, the protocol is also high-efficient and can change the sub-secrets and the group of agents dynamically.
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Received: 29 January 2013
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Corresponding Authors:
Bao Wan-su
E-mail: 2010thzz@sina.com
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2013, Vol. 35 
