基于非局域性正交乘积态的动态量子秘密共享方案

宋秀丽; 李闯

doi:10.11999/JEIT230193

基于非局域性正交乘积态的动态量子秘密共享方案

doi: 10.11999/JEIT230193

宋秀丽^{1, 2, ,},
李闯¹

1.
重庆邮电大学计算机科学与技术学院重庆 400065
2.
重庆邮电大学网络空间安全与信息法学院重庆 400065

基金项目: 国家自然科学基金(62376047)，河南省网络密码技术重点实验室(LNCT2022-A15)，重庆邮电大学博士启动基金(A2020211)，重庆自然科学基金(CSTB2023NSCQ-MSX1093)

详细信息

作者简介:
宋秀丽：女，博士，副教授，研究方向为量子密码学、量子保密通信、云计算安全和车联网安全

李闯：男，硕士生，研究方向为量子密码学

通讯作者:
宋秀丽　songxl@cqupt.edu.cn

中图分类号: TN918; TP309
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- 文章访问数: 226
- HTML全文浏览量: 80
- PDF下载量: 49
- 被引次数: 0
出版历程
- 收稿日期: 2023-03-28
- 修回日期: 2023-06-18
- 网络出版日期: 2023-06-26
- 刊出日期: 2024-03-27

Dynamic Quantum Secret Sharing Scheme Based on Nonlocal Orthogonal Product States

SONG Xiuli^{1, 2
, ,},
LI Chuang¹

1.
College of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
2.
College of Cyber Security and Information Law, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Funds: The National Natural Science Foundation of China (62376047), Henan Key Laboratory of Network Cryptography Technology (LNCT2022-A15), Doctor Initiation Found Project of Chongqing University of Posts and Telecommunications (A2020211), The Natural Science Foundation of Chongqing (CSTB2023NSCQ-MSX1093)

摘要

摘要: 当前的量子秘密共享(QSS)存在资源制备开销较大、安全性不强的问题，该文提出一种基于正交乘积态的可验证量子秘密共享方案弥补上述不足，且多方成员能动态地加入或退出秘密共享。该方案将正交乘积态的粒子分成两个序列，第1个序列在多个参与者之间传输，前一个参与者对其执行嵌入份额值的酉算子后传输给下一个参与者，直到全部份额聚合完成；对于另一个序列，只有最后一个参与者(验证者)对接收到的粒子执行Oracle算子。然后，验证者对两个序列中的粒子对执行全局测量，得到秘密值的平方剩余。最后，借鉴Rabin密码中密文与明文之间非单一映射的思想，验证者联合Alice验证测量结果的正确性，并从测量结果确定出秘密值。安全性分析表明，该方案能抵抗常见的外部攻击和内部攻击，且验证过程具有强安全性；由于非局域性正交乘积态以两个序列分开传输，因此增强了秘密重构过程的安全性。性能分析表明，该方案使用正交乘积态作为信息载体，量子资源开销较小，且将正交乘积基的维度从低维拓展到d维，参与者人数能动态地增加和减少，使得方案具有更好的灵活性和通用性。
- 量子秘密共享 /
- 正交乘积态 /
- 动态加入或退出 /
- Rabin密码
Abstract: Current Quantum Secret Sharing(QSS) has the drawbacks of high consumption of resource preparation and the security is not stronger. To overcome the above drawbacks, a verifiable quantum secret sharing scheme based on orthogonal product states is proposed, where multiple participants can dynamically join or leave the secret sharing. In the proposed scheme, the particle pairs of product states are divided into two sequences, the first sequence is transmitted among participants, and the previous participant performs the unitary operator to aggregate the shares on it and then transmits it to the next participant; for the other sequence, the last participant(verifier) performs the Oracle operator on the received particles. Afterward, the verifier uses global measurements on the particle pairs to obtain the quadratic residues of the secrets. Finally, learning from the idea of non-single mapping between ciphertext and plaintext in Rabin cipher, the verifier jointly with Alice verifies the correctness of the measurement results and identifies the secrets from the results. Security analysis shows that the proposed scheme can resist common external and internal attacks, and that the verification process is strongly secure. Since the nonlocal orthogonal product states are transmitted separately in two sequences, the security of the secret reconstruction process is enhanced. Performance analysis shows that the proposed scheme has low quantum resource consumption using orthogonal product state as information carriers, and extends the dimension of orthogonal product basis from low dimension to d dimension, and the number of participants can be dynamically increased or decreased, so it provides better flexibility and generality.
- Quantum Secret Sharing(QSS) /
- Orthogonal product state /
- Dynamic join or leave /
- Rabin cipher

HTML全文

图 1 方案主体流程图

下载: 全尺寸图片幻灯片

表 1 相似方案的性能比较

属性	文献[7]	文献[13]	本文方案
信息粒子类型	3维OPB态	2维OPB态	d维OPB态
粒子数量	m	$ {2^{m - 1}} \cdot l $	2m
计算消耗	$m({{\rm{QFT}}} + {{\rm{IQFT}}})/2$	–	$l \cdot {\boldsymbol{U}} + (l + 1){\boldsymbol{M}} + {\boldsymbol{O}} + 1/3({\boldsymbol{F}} + {{\boldsymbol{F}}^\dagger } + {\boldsymbol{U}})$
参与者人数	两方固定	多方固定	多方动态
测量消耗	$ m $次单粒子测量	$ l $次OPB测量	1次OPB测量

下载: 导出CSV

表 2 相似动态QSS方案的安全性比较

安全性	文献[16]	文献[18]	文献[21]	本文方案
抗截获-重放攻击性	–	√	√	√
抗纠缠-测量攻击性	√	√	√	√
抗合谋攻击性	–	√	√	√
抗欺骗攻击	–	√	–	√
抗共享秘密的泄露攻击	–	–	–	√

下载: 导出CSV

参考文献(21)

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