Cryptanalysis of secure multiparty quantum summation

被引：9

作者：

Cai, Xiao-Qiu ^{[1
,2
,3
]}

Wang, Tian-Yin ^{[2
,3
]}

Wei, Chun-Yan ^{[1
,2
,3
]}

Gao, Fei ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China

[2] Luoyang Normal Univ, Sch Math Sci, Luoyang 471934, Peoples R China

[3] Guilin Univ Elect Technol, Guangxi Key Lab Trusted Software, Guilin 541004, Peoples R China

来源：

QUANTUM INFORMATION PROCESSING | 2022年 / 21卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Secure multiparty computation; Secure multiparty summation; Participant attack; Secure multiparty quantum computation; Secure multiparty quantum summation;

D O I：

10.1007/s11128-022-03638-y

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Secure multiparty summation plays an important role in the field of secure communication. In this paper, we give a cryptanalysis of a generalized quantum protocol for secure multiparty summation and find a security leak, whereby a dishonest player can steal all the other players' shares and the summation of secrets without being found, which is in conflict with the security requirement for secure multiparty summation. Furthermore, we analyze the reason and present an improved version to deal with the security problem.

引用

页数：12

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