Chin. Phys. B
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Chin. Phys. B  2013, Vol. 22 Issue (6): 060307    DOI: 10.1088/1674-1056/22/6/060307
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Steganalysis and improvement of a quantum steganography protocol via GHZ4 state
Xu Shu-Jianga b c, Chen Xiu-Boa c, Niu Xin-Xina, Yang Yi-Xiana
a Information Security Center, State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China;
b Shandong Provincial Key Laboratory of Computer Network, Shandong Computer Science Center, Jinan 250014, China;
c State Key Laboratory of Information Security, (Institute of Information Engineering, Chinese Academy of Sciences), Beijing 100093, China

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