Noise-Crypt: Image Encryption with Non-linear Noise, Hybrid Chaotic Maps, and Hashing

Asghar, Laiba; Ahmed, Fawad; Khan, Muhammad Shahbaz; Arshad, Arshad; Ahmad, Jawad

Abstract

To secure the digital images over insecure transmission channels, a new image encryption algorithm Noise-Crypt is proposed in this paper. Noise-Crypt integrates nonlinear random noise, hybrid chaotic maps, and SHA-256 hashing algorithm. The utilized hybrid chaotic maps are the logistic-tent and the logistic-sine-cosine map. The hybrid chaotic maps enhance the pseudorandom sequence generation and selection of substitution boxes, while the logistic-sine-cosine map induces non-linearity in the algorithm through random noise. This deliberate inclusion of noise contributes to increased resistance against cryptanalysis. The proposed scheme has been evaluated for several security parameters, such as differential attacks, entropy, correlation, etc. Extensive evaluation demonstrates the efficacy of the proposed scheme, with almost ideal values of entropy of 7.99 and correlation of −0.0040. Results of the security analysis validate the potency of the proposed scheme in achieving robust image encryption.

Citation

Asghar, L., Ahmed, F., Khan, M. S., Arshad, A., & Ahmad, J. (2023, October). Noise-Crypt: Image Encryption with Non-linear Noise, Hybrid Chaotic Maps, and Hashing. Presented at 2023 International Conference on Engineering and Emerging Technologies (ICEET), Istanbul, Turkiye

• Presentation Conference Type: Conference Paper (published)
• Conference Name: 2023 International Conference on Engineering and Emerging Technologies (ICEET)
• Start Date: Oct 27, 2023
• End Date: Oct 28, 2023
• Acceptance Date: Sep 4, 2023
• Publication Date: Oct 27, 2023
• Deposit Date: Feb 20, 2025
• Publisher: Institute of Electrical and Electronics Engineers
• Peer Reviewed: Peer Reviewed
• Series ISSN: 2831-3682
• ISBN: 9798350316933
• DOI: https://doi.org/10.1109/iceet60227.2023.10526153
• Keywords: random noise, hybrid chaotic maps, hash, substitution, image encryption
• Public URL: http://researchrepository.napier.ac.uk/Output/4126159