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Title:
Cryptanalysis and Improvement of a Multi-User Quantum Communication Network Using chi-Type Entangled States
Author: Huang, Wei ; Zuo, Hui-Juan ; Li, Yan-Bing
Keyword: Quantum communication network ; chi-Type entangled state ; Cryptanalysis
Source: INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
Issued Date: 2013
Volume: 52, Issue:4, Pages:1354-1361
Indexed Type: SCI
Department: [Huang, Wei; Zuo, Hui-Juan; Li, Yan-Bing] Beijing Univ Posts & Telecommun, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China. [Huang, Wei] Chinese Acad Sci, Inst Software, State Key Lab Informat Secur, Beijing 100190, Peoples R China. [Zuo, Hui-Juan] Hebei Normal Univ, Math & Informat Sci Coll, Shijiazhuang 050024, Peoples R China. [Li, Yan-Bing] Beijing Elect Sci & Technol Inst, Beijing 100070, Peoples R China.
Abstract: The security of a multi-user quantum communication network protocol using chi-type entangled states (Chang et al., J. Korean Phys. Soc. 61:1-5, 2012) is analyzed. We find that, by using one chi-type state in this protocol, two participants can only share 2 bits of information, not 4 bits as the authors stated. In addition, we give a special attack strategy by which an eavesdropper can elicit half of the secret information without being detected. Finally, we improve the protocol to be secure against all the present attacks.
English Abstract: The security of a multi-user quantum communication network protocol using chi-type entangled states (Chang et al., J. Korean Phys. Soc. 61:1-5, 2012) is analyzed. We find that, by using one chi-type state in this protocol, two participants can only share 2 bits of information, not 4 bits as the authors stated. In addition, we give a special attack strategy by which an eavesdropper can elicit half of the secret information without being detected. Finally, we improve the protocol to be secure against all the present attacks.
Language: 英语
WOS ID: WOS:000315443400031
Citation statistics:
Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/16941
Appears in Collections:软件所图书馆_期刊论文

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Recommended Citation:
Huang, Wei,Zuo, Hui-Juan,Li, Yan-Bing. Cryptanalysis and Improvement of a Multi-User Quantum Communication Network Using chi-Type Entangled States[J]. INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS,2013-01-01,52(4):1354-1361.
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