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中国物理学会期刊

具有双向认证功能的量子秘密共享方案

CSTR: 32037.14.aps.57.4689

Quantum secret sharing with bidirectional authentication

CSTR: 32037.14.aps.57.4689
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  • 利用两粒子纠缠态作为经典信息的载体,结合Hash函数和量子本地操作提出了一种可以实现双向认证功能的量子秘密共享方案,并且分析了它的安全性. 这种方案的安全性基于秘密共享双方的认证密钥和传输过程中粒子排列次序的保密. 若不考虑认证和窃听检测所消耗的粒子,平均1个Bell态共享2 bit经典信息.

     

    A quantum secret sharing scheme with two-way authentication was proposed and discussed. Based on two-particle quantum entanglement, the scheme is implemented using the Hash function and the quantum local operations. The authentication keys and the secret order of transmitted particles ensure the security of the scheme. One Bell state can be used to share two classical bits on average if the particles for authentication and eavesdropping detection are not concernred.

     

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