Cryptanalysis of secret sharing with a single d-level quantum system

被引：38

作者：

Chen, Xiu-Bo ^{[1
,2
]}

Tang, Xin ^{[1
]}

Xu, Gang ^{[1
]}

Dou, Zhao ^{[1
]}

Chen, Yu-Ling ^{[2
]}

Yang, Yi-Xian ^{[1
,2
]}

机构：

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

[2] Guizhou Univ, Guizhou Prov Key Lab Publ Big Data, Guiyang 550025, Guizhou, Peoples R China

来源：

QUANTUM INFORMATION PROCESSING | 2018年 / 17卷 / 09期

关键词：

Quantum secret sharing; Participant attack; Security analysis; Efficiency; SECURE DIRECT COMMUNICATION; INFORMATION; PROOF;

D O I：

10.1007/s11128-018-1988-5

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this work, we point out that the multiparty secret sharing protocol of Tavakoli et al. (Phys Rev A 92:030302, 2015) based on a single d-level quantum system (where d is a prime number) is insecure and low efficient. In our paper, we show that all the secrets of distributor R (1) can be stolen by q dishonest participants with the probability (q/N) (xi) . An important improvement is proposed to fix up this security loophole. Besides, another improvement is given to increase the efficiency from 1/d to 1.

引用

页数：11

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