Implementation of a Logistic Map to Calculate the Bits Required for Digital Image Steganography Using the Least Significant Bit (LSB) Method
- 1 Department of Informatics, Telkom University, Bandung, 40257, Indonesia
- 2 Mathematics Education Department, STKIP Surya, Tangerang, 15115, Indonesia
- 3 Department of Statistics, School of Computer Science, Bina Nusantara University, Jakarta, 11480, Indonesia
- 4 Primary Teacher Education Department, Faculty of Humanities, Bina Nusantara University, Jakarta, Indonesia
- 5 Faculty of Industrial Sciences and Technology, University Malaysia Pahang, 26300 Gambang, Pahang, Malaysia
Abstract
The LSB method in steganography usually only uses the last bit or the last few bits that are the same for all pixels. This is very easy to solve by using a bitwise shift left operation so that the last bit becomes the leading bit (MSB). Some techniques combine steganography and cryptography through two different processes. In this study, a new technique is proposed to perform steganography and cryptography together. The random sequence obtained from the logistic map is used to determine the number of bits in the LSB method. Furthermore, testing was carried out on several grayscale images. The result obtained is that the hidden images cannot be opened easily. The level of sensitivity is very small, reaching 10-15.
DOI: https://doi.org/10.3844/jcssp.2023.686.693
Copyright: © 2023 Wikky Fawwaz Al Maki, Indra Bayu Muktyas, Samsul Arifin, Suwarno and Mohd Khairul Bazli Mohd Aziz. This is an open access article distributed under the terms of the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Keywords
- Steganography
- Digital Images
- Logistic Map
- LSB