Revisiting the security of secure direct communication based on ping-pong protocol[Quantum Inf. Process. 8, 347 (2009)]

被引：28

作者：

Yang, Yu-Guang ^{[1
,3
,4
]}

Teng, Yi-Wei ^{[1
]}

Chai, Hai-Ping ^{[1
]}

Wen, Qiao-Yan ^{[2
]}

机构：

[1] Beijing Univ Technol, Coll Comp Sci & Technol, Beijing 100124, Peoples R China

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

[3] Xidian Univ, State Key Lab Integrated Serv Network, Xian 710071, Peoples R China

[4] Chinese Acad Sci, State Key Lab Informat Secur, Grad Univ, Beijing 100049, Peoples R China

来源：

QUANTUM INFORMATION PROCESSING | 2011年 / 10卷 / 03期

基金：

中国国家自然科学基金; 北京市自然科学基金;

关键词：

Quantum secure direct communication; GHZ state; Ping-Pong protocol; Decoy photons;

D O I：

10.1007/s11128-010-0199-5

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A. Chamoli and C.M. Bhandari presented a secure direct communication based on ping-pong protocol[Quantum Inf. Process. 8, 347 (2009)]. M.Naseri analyzed its security and pointed out that in this protocol any dishonest party can obtain all the other one's secret message with zero risk of being detected by using fake entangled particles (FEP attack) [M. Naseri, Quantum Inf. Process. online]. In this letter, we reexamine the protocol's security and discover that except the FEP attack, using a special property of GHZ states, any one dishonest party can also take a special attack, i.e., double-CNOT(Controlled NOT) attack. Finally, a denial-of-service attack is also discussed.

引用

页码：317 / 323

页数：7

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