Geodesic
Compensation of degradation, security, and capacity of LSB substitution methods by a new proposed hybrid n-LSB approach
Computer Science and Information Systems, Tome 18 (2021) no. 4.

Voir la notice de l'article provenant de la source Computer Science and Information Systems website

This study proposes a new hybrid n-LSB (Least Significant Bit) substitution-based image steganography method in the spatial plane. The previously proposed n-LSB substitution method by authors of this paper is combined with the Rivest-Shamir-Adleman (RSA), RC5, and Data Encryption Standard (DES) encryption algorithms to improve the security of the steganography, which is one of the requirements of steganography, and the Lempel-Ziv-Welch (LZW), Arithmetic and Deflate lossless compression algorithms to increase the secret message capacity. Also, embedding was done randomly using a logistic map-based chaos generator to increase the security more. The classical n-LSB substitution method and the proposed hybrid approaches based on the previously proposed n-LSB were implemented using different secret messages and cover images. When the results were examined, it has been seen that the proposed hybrid n-LSB approach showed improvement in all three criteria of steganography. The proposed hybrid approach that consists of previously proposed n-LSB, RSA, Deflate, and the logistic map had the best results regarding capacity, security, and imperceptibility.
Keywords: image steganography, lossless compression, logistic map, data encryption 
@article{CSIS_2021_18_4_a11,
     author = {Kemal T\"ut\"unc\"u and \"Ozcan \c{C}atalta\c{s}},
     title = {Compensation of degradation, security, and capacity of {LSB} substitution methods by a new proposed hybrid {n-LSB} approach},
     journal = {Computer Science and Information Systems},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {2021},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2021_18_4_a11/}
}
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%F CSIS_2021_18_4_a11
Kemal Tütüncü; Özcan Çataltaş. Compensation of degradation, security, and capacity of LSB substitution methods by a new proposed hybrid n-LSB approach. Computer Science and Information Systems, Tome 18 (2021) no. 4. http://geodesic.mathdoc.fr/item/CSIS_2021_18_4_a11/