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All Journal Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Abditeknika - Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Masyarakat Bangsa Jurnal Rekayasa Sistem Informasi dan Teknologi Journal of Technology and System Information Journal of Computer Science and Information Technology Journal of Data Analytics, Information, and Computer Science (JDAICS) Aksi Kita: Jurnal Pengabdian Kepada Masyarakat
Saputro, Indrawan Ady
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Evaluating Steganography Detection in JPEG Images Using Gaussian Mixture Model and Cryptographic Keys Saputro, Indrawan Ady; Nugraha, Febrianta Surya; Sugiarto, Lilik; Prabowo, Iwan Ady
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Vol 9 No 6 (2025): December 2025
Publisher : Ikatan Ahli Informatika Indonesia (IAII)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29207/resti.v9i6.6084

Abstract

This study introduces a novel approach that integrates Gaussian Mixture Models (GMM) with MD5 hash-based verification to detect hidden messages embedded via Least Significant Bit (LSB) steganography in JPEG images. Unlike previous methods, the proposed dual-layer technique combines probabilistic modeling with data integrity verification. The model was trained and evaluated using a dataset comprising both original and stego-JPEG images. The experimental results achieved an accuracy of 78.67% and a precision of 89.15%, indicating good class separation between stego and non-stego images (AUC-ROC = 0.8659). However, the recall rate of 69.70% suggests that there is room for improvement in detecting all stego instances. Although MD5 is a hash function rather than an encryption algorithm, it effectively aids in identifying data anomalies resulting from message embedding. Overall, this lightweight approach offers a practical solution for steganalysis and can be further enhanced through the integration of hybrid deep learning techniques in future research.
Co-Authors Abdul Aziz, Riyan Adristiawan, Ranu Arva Afada, Faris Ahmadi, Rohani Nur Aron , Muhammad Aron Dewi Sri Rahayu, Dewi Sri F R, Muhammad Rizki Febrianta Surya Nugraha Hadi, Widiyanto Ina Sholihah Widiati, Ina Sholihah Islamy, Muhammad Khairul Faizi Iwan Ady Prabowo Mahesakayun, Aszhar Marini, Wanda Iriana Sri Moch Hari Purwidiantoro, Moch Hari Muhammad Setiyawan Nurhidayanto, Nurhidayanto Sugiarto, Lilik Tinuk Agustin Wati, Febry Mustika Widiyanti, Sri Yuliana, Yesika Ayu Yunus, Adestiana Dwi Putri