QUANTUM DIRECT COMMUNICATION BASED ON QUANTUM SEARCH ALGORITHM

被引：38
|
作者：
Wang, Chuan [1 ,2 ,3 ,4 ]
Hao, Liang [1 ,2 ,5 ]
Song, Si Yu [1 ,2 ,5 ]
Long, Gui Lu [1 ,2 ,5 ]
机构：
[1] Tsinghua Univ, Key Lab Atom & Mol Nanosci, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[3] Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China
[4] Beijing Univ Posts & Telecommun, Key Lab Opt Commun & Lightwave Technol, Beijing 100876, Peoples R China
[5] Tsinghua Natl Lab Informat Sci & Technol, Beijing 100084, Peoples R China
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2010年 / 8卷 / 03期
关键词：
Deterministic secure quantum communication; quantum direct communication; quantum search algorithm; quantum secure direct communication; SECURE DIRECT COMMUNICATION; KEY DISTRIBUTION; ENTANGLED STATES; BELL THEOREM; CRYPTOGRAPHY; NETWORK; PROTOCOL; SCHEME; ORDER;
D O I：
10.1142/S0219749910006071
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Quantum direct communications, including deterministic secure quantum communication and quantum secure direct communication protocol using two-qubit quantum search algorithm are proposed in this paper. Secret messages are encoded by two-qubit unitary operations and exchanged by the two communication parties directly. We discussed the security of the protocol under intercept-resend attack and individual attack. We found that the protocols are secure against eavesdropping attacks.
引用
收藏
页码：443 / 450
页数：8
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