Quantum steganography with large payload based on dense coding and
entanglement swapping of GHZ states
- URL: http://arxiv.org/abs/2205.01251v1
- Date: Tue, 3 May 2022 00:15:28 GMT
- Title: Quantum steganography with large payload based on dense coding and
entanglement swapping of GHZ states
- Authors: Tian-Yu Ye, Li-Zhen Jiang
- Abstract summary: Super quantum channel is formed by building up the hidden channel within the original quantum secure direct communication scheme.
Based on the original QSDC, secrets messages are transmitted by integrating dense coding of GHZ states and entanglement swapping of GHZ states.
Its imperceptibility is good, since the information and secrets messages can be regarded to be random or pseudo-random.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: A quantum steganography protocol with large payload is proposed, based on
dense coding and entanglement swapping of GHZ states. Its super quantum channel
is formed by building up the hidden channel within the original quantum secure
direct communication (QSDC) scheme. Based on the original QSDC, secrets
messages are transmitted by integrating dense coding of GHZ states and
entanglement swapping of GHZ states. Its capacity of super quantum channel
achieves six bits per round covert communication, much higher than the previous
quantum steganography protocols. Its imperceptibility is good, since the
information and secrets messages can be regarded to be random or pseudo-random.
Moreover, its security is proved to be reliable.
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