• Chinese Journal of Quantum Electronics
  • Vol. 40, Issue 5, 726 (2023)
HUANG Guan* and LOU Xiaoping
Author Affiliations
  • College of Information Science and Engineering, Hunan Normal University, Changsha 410081, China
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    DOI: 10.3969/j.issn.1007-5461.2023.05.012 Cite this Article
    Guan HUANG, Xiaoping LOU. Semi-quantum private comparison protocol based on four-particle GHZ state[J]. Chinese Journal of Quantum Electronics, 2023, 40(5): 726 Copy Citation Text show less
    Flow chart of the proposed protocol
    Fig. 1. Flow chart of the proposed protocol
    Quantum circuit diagram of quantum state for G11234
    Fig. 2. Quantum circuit diagram of quantum state for G11234
    Quantum circuit diagram of quantum state for G21234
    Fig. 3. Quantum circuit diagram of quantum state for G21234
    Quantum circuit diagram of quantum state for G31234
    Fig. 4. Quantum circuit diagram of quantum state for G31234
    Quantum circuit diagram of quantum state for G41234
    Fig. 5. Quantum circuit diagram of quantum state for G41234
    案例Alice的操作Bob的操作TP的操作
    1RR对反射的粒子执行Bell联合测量, 检测窃听者的存在
    2MM接收RARB, 计算Ri, 比较双方秘密信息是否相等
    Table 1. Actions performed by three participants
    MAjMBjCj
    0000
    0101
    1010
    1111
    Table 2. The corresponding relationship between MAj(MBj) and Cj
    运行环境φ11234φ21234φ31234φ41234

    后端: ibmq_qasm_simulator

    发射次数: 8192

    0000: 100%0001: 100%0010: 100%0011: 100%

    后端: ibmq_manila

    发射次数: 8192

    0000: 86.18%0001: 52.87%0010: 65.04%0011: 62.39%
    Table 3. Comparison of experimental results of different quantum states at different back ends
    文献 [31] 协议文献 [3] 协议文献 [27] 协议文献 [28] 协议本研究提出的协议
    协议1协议2
    初始量子态Bell态两粒子乘积态单光子Bell态Bell态

    四粒子

    GHZ态

    TP的测量操作单光子测量和Bell基测量单光子测量单光子测量和Bell基测量单光子测量和Bell基测量Bell基测量Bell基测量

    经典参与者

    执行的操作

    使用Z基制备

    新的量子态;

    Z基测量;

    无干扰的

    反射粒子

    使用Z基制备

    新的量子态;

    Z基测量;

    无干扰的

    反射粒子

    使用Z基制备

    新的量子态;

    Z基测量;

    无干扰的

    反射粒子

    使用Z基制备

    新的量子态;

    无干扰的

    反射粒子;

    使用Z基制备

    新的量子态;

    Z基测量;

    无干扰的

    反射粒子

    Z基测量;

    无干扰的

    反射粒子;

    量子效率25%6.25%3.125%25%25%50%
    Table 4. Comparison of similar semi-quantum private comparison protocols
    文献 [32] 协议本研究提出的协议
    用户的量子操作

    产生诱骗态;

    执行Bell测量和Z基测量;

    将量子比特存储在量子存储器中

    Z基测量;

    无干扰的反射量子位

    用户所需量子设备量子寄存器, 纠缠态发生器, 量子存储器量子存储器
    Table 5. Comparison with quantum private protocol of full quantum capability
    Guan HUANG, Xiaoping LOU. Semi-quantum private comparison protocol based on four-particle GHZ state[J]. Chinese Journal of Quantum Electronics, 2023, 40(5): 726
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