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This paper proposes a novel quantum steganography scheme utilizing the Quantum Hilbert Transform to embed hidden classical bits within legitimate quantum communication states. By leveraging phase-domain perturbations and error-correcting decoding, the research addresses an underexplored area of information hiding specifically for quantum systems. The work represents significant theoretical advancement in quantum cryptography rather than immediate product deployment.
A Novel Steganography Scheme Using Quantum Hilbert Transform
arXiv:2609.07894v1 Announce Type: new Abstract: The main goal of steganography is to transmit hidden messages in legitimate-looking communication messages. Phase-domain information hiding, however, has not been fully explored for quantum systems. This work introduces a finite-dimensional Quantum Hilbert Transform (QHT) as a unitary phase operator based on the Quantum Fourier Transform. Using this construction, we develop a QHT-based quantum steganography scheme that embeds classical bits as weak signed phase perturbations of quantum cover states. Bob recovers the hidden message through binary state discrimination, block aggregation, and classical error-correcting decoding.
Abstract:The main goal of steganography is to transmit hidden messages in legitimate-looking communication messages. Phase-domain information hiding, however, has not been fully explored for quantum systems. This work introduces a finite-dimensional Quantum Hilbert Transform (QHT) as a unitary phase operator based on the Quantum Fourier Transform. Using this construction, we develop a QHT-based quantum steganography scheme that embeds classical bits as weak signed phase perturbations of quantum cover states. Bob recovers the hidden message through binary state discrimination, block aggregation, and classical error-correcting decoding.
Quantum Physics (quant-ph); Cryptography and Security (cs.CR); Information Theory (cs.IT)
arXiv:2609.07894 [quant-ph]
(or arXiv:2609.07894v1 [quant-ph] for this version)
https://doi.org/10.48550/arXiv.2609.07894 Focus to learn more arXiv-issued DOI via DataCite (pending registration)
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