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Enhanced Text-In-Image Steganography Using LSB Substitution with Transposition Cipher
Published Online: May-June 2025
Pages: 86-92
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No DOIAbstract
: In order to assure secret communication, steganography is the art of hiding information within multimedia materials. This study offers a productive method for embedding text into photos by combining pre-processing, encryption, and embedding strategies. The suggested approach starts with the careful choice of a suitable cover image and text input. The cover image is transformed from RGB to grayscale to maximize embedding efficiency and reduce distortion, and then noise is removed to improve image quality. An extra degree of security is added by encrypting the secret text using the Transpose Cipher. The embedding and retrieval procedures are managed by a Stego Key, which guarantees that the secret message may only be recovered by authorized persons. The encrypted text is embedded into the cover image using the Least Significant Bit (LSB) approach, which benefits from its basic nature and low visual perceptibility. The stego key makes it easier for the recipient to precisely retrieve the embedded data that is subsequently decoded to recreate the initial text. According to outcomes from experiments, the suggested approach offers strong and secure text hiding abilities while preserving the stego image's excellent visual fidelity. For critical applications, this method provides a workable solution for protected text-based communication
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