CRYPTANALYSIS AND IMPROVEMENT OF THE SECURE QUANTUM SEALED-BID AUCTION WITH POSTCONFIRMATION

被引：15
作者：
Xu, Guo-Ai [1 ,2 ,3 ]
Zhao, Zhi-Wen [4 ]
Chen, Xiu-Bo [1 ,2 ]
Yang, Yi-Xian [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Informat Secur Ctr, Sch Comp Sci & Technol, Beijing 100876, Peoples R China
[2] Chinese Acad Sci, State Key Lab Informat Secur, Grad Univ, Beijing 100049, Peoples R China
[3] Beijing Univ Posts & Telecommun, Natl Engn Lab Disaster Backup & Recovery, Beijing 100876, Peoples R China
[4] Beijing Normal Univ, Dept Elect, Sch Informat, Beijing 100875, Peoples R China
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2011年 / 9卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Quantum sealed-bid auction; quantum communication; quantum cryptography; DIRECT COMMUNICATION; W-STATE; TELEPORTATION;
D O I：
10.1142/S0219749911008076
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper, the cryptanalysis about the quantum sealed-bid auction, whose feature is that by introducing a postconfirmation mechanism the malicious bidders cannot collude with auctioneers, is given. We found that a malicious bidder can obtain the other bidders' bids with a probability of 0.854. Moreover, there will be a higher probability if some bidders collude to attack the other bidders' bids. To prevent such attacks, we propose an effective improvement by means of the hash function.
引用
收藏
页码：1383 / 1392
页数：10
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