Quantum Privacy-Preserving Price E-Negotiation

被引：4

作者：

Liu, Wen-Jie ^{[1
,2
]}

Li, Chun-Tang ^{[2
]}

Zheng, Yu ^{[1
,2
]}

Xu, Yong ^{[2
]}

Xu, Yin-Song ^{[2
]}

机构：

[1] Nanjing Univ Informat Sci & Technol, Jiangsu Engn Ctr Network Monitoring, Nanjing 210044, Jiangsu, Peoples R China

[2] Nanjing Univ Informat Sci & Technol, Sch Comp & Software, Nanjing 210044, Jiangsu, Peoples R China

来源：

INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2019年 / 58卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Secure multi-party computation; Privacy-preserving price e-negotiation; Oracle operation; Qubit comparator; Quantum counting; SECURE DIRECT COMMUNICATION; SEALED-BID AUCTION; COMPARISON PROTOCOL; ARBITRARY QUBIT; IMPROVEMENT; EFFICIENT; SCHEME; STATES;

D O I：

10.1007/s10773-019-04201-9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Privacy-preserving price e-negotiation (3PEN) is an important topic of secure multi-party computation (SMC) in the electronic commerce field, and the key point of its security is to guarantee the privacy of seller's and buyer's prices. In this study, a novel and efficient quantum solution to the 3PEN problem is proposed, where the oracle operation and the qubit comparator are utilized to obtain the comparative results of buyer's and seller's prices, and then quantum counting is executed to summarize the total number of products which meets the trading conditions. Analysis shows that our solution not only guarantees the correctness and the privacy of 3PEN, but also has lower communication complexity than those classical ones.

引用

页码：3259 / 3270

页数：12

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