Quantum-Secured Dynamic Pixel Embedding (QS-DPE): A Novel Steganography Method Using Quantum Computing

Paper ID: EIJTEM_2025_12_4_287-295

Author's Name: D. Sreedhar, Dr. P. Padmanabham, and Dr. J.V.R. Murthy

Volume: 12

Issue: 4

Year: 2025

Page No: 287-295

Abstract:

Quantum-Secured Dynamic Pixel Embedding (QS-DPE) introduces a ground-breaking steganography framework that leverages quantum computing princi-ples to address the limitations of classical data-hiding techniques . By inte-grating Quantum Key Distribution (QKD) for provably secure communication, quantum-phase pixel modulation for imperceptible embedding, and Grover’s algorithm for efficient data extraction, QS-DPE achieves three key advance-ments: (1) unbreakable security through 256-bit BB84 protocol encryption , (2) enhanced capacity-quality balance (1.2 bits per pixel at ¿55 dB PSNR), and (3) computational efficiency (18.2 ms per 512×512 image, 2.34× faster than classical methods ). Experimental validation on the BOSSBase dataset demonstrates 98.7% mes-sage recovery under adversarial conditions (30% Gaussian noise, JPEG com-pression) and 0% detectability against state-of-the-art steganalyzers . The framework’s quantum noise characteristics and 0.98 Structural Similarity In-dex (SSIM) ensure minimal perceptual distortion while outperforming classical LSB , DCT , and deep learning-based methods in robustness and speed. QS-DPE bridges theoretical quantum advantages with real-world applica-tions in military communications, medical imaging , and digital watermarking, setting a new standard for post-quantum secure steganography . Future work focuses on hardware implementation using photonic quantum processors and hybrid quantum-classical optimizations.

Keywords: Quantum Steganography, Protocol, Grover’s Algorithm, Phase Modulation, Post-Quantum Security

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