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Continuous variable quantum steganography protocol based on quantum identity

1 Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Nanjing University of Information Science & Technology, Nanjing, 210044, P. R. China
2 School of Electronic & Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, P. R. China
3 School of Computer Science, Xi’an Polytechnic University, Xi’an 710048, P. R. China
4 School of Electronic Engineering, Dublin City University, Dublin, Ireland

Special Issues: Security and Privacy Protection for Multimedia Information Processing and communication

Based on quantum identity authentication, a novel continuous variable quantum steganography protocol is proposed in this paper. It can effectively transmit deterministic secret information in the public quantum channel by taking full advantage of entanglement properties of continuous variable GHZ state. Compared with the existing quantum steganography results, this protocol has the advantages of good imperceptibility and easy implementation. Finally, the detailed performance analysis proves that the proposed protocol has not only these advantages, but also good security and information transmission efficiency, even under eavesdropping attacks, especially to the spectroscopic noise attack.
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