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A novel quantum information hiding protocol based on entanglement swapping of high-level Bell states |
Xu Shu-Jiang (徐淑奖)a b, Chen Xiu-Bo (陈秀波)b c, Wang Lian-Hai (王连海)a, Niu Xin-Xin (钮心忻)b, Yang Yi-Xian (杨义先)b |
a Shandong Provincial Key Laboratory of Computer Networks, Shandong Computer Science Center (National Supercomputer Center in Jinan), Jinan 250014, China; b Information Security Center, State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China; c State Key Laboratory of Information Security, Institute of Information Engineering, Chinese Academy of Sciences, Beijing 100093, China |
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Abstract Using entanglement swapping of high-level Bell states, we first derive a covert layer between the secret message and the possible output results of the entanglement swapping between any two generalized Bell states, and then propose a novel high-efficiency quantum information hiding protocol based on the covert layer. In the proposed scheme, a covert channel can be built up under the cover of a high-level quantum secure direct communication (QSDC) channel for securely transmitting secret messages without consuming any auxiliary quantum state or any extra communication resource. It is shown that this protocol not only has a high embedding efficiency but also achieves a good imperceptibility as well as a high security.
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Received: 06 August 2014
Revised: 26 December 2014
Accepted manuscript online:
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PACS:
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03.67.Dd
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(Quantum cryptography and communication security)
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03.67.-a
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(Quantum information)
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03.65.-w
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(Quantum mechanics)
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03.67.Hk
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(Quantum communication)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61303199, 61272514, 61170272, 61121061, and 61411146001), the Shandong Provincial Natural Science Foundation of China (Grant Nos. ZR2013FM025, ZR2013FQ001, and ZR2014FM003), the Shandong Provincial Outstanding Research Award Fund for Young Scientists of China (Grant Nos. BS2013DX010 and BS2014DX007), the Program for New Century Excellent Talents in Universities, China (Grant No. NCET-13-0681), the National Development Foundation for Cryptological Research, China (Grant No. MMJJ201401012), the Fok Ying Tong Education Foundation, China (Grant No. 131067), and the Shandong Academy of Sciences Youth Fund Project, China (Grant No. 2013QN007). |
Corresponding Authors:
Xu Shu-Jiang
E-mail: yangh@korea.ac.kr
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About author: 03.67.Dd; 03.67.-a; 03.65.-w; 03.67.Hk |
Cite this article:
Xu Shu-Jiang (徐淑奖), Chen Xiu-Bo (陈秀波), Wang Lian-Hai (王连海), Niu Xin-Xin (钮心忻), Yang Yi-Xian (杨义先) A novel quantum information hiding protocol based on entanglement swapping of high-level Bell states 2015 Chin. Phys. B 24 050306
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