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

• URL: http://arxiv.org/abs/2309.11471v1
• Date: Wed, 20 Sep 2023 17:11:35 GMT
• Title: Noise-Crypt: Image Encryption with Non-linear Noise, Hybrid Chaotic Maps, and Hashing
• Authors: Laiba Asghar, Fawad Ahmed, Muhammad Shahbaz Khan, Arshad Arshad, Jawad Ahmad,
• Abstract summary: Noise-Crypt is an image encryption algorithm that integrates non-linear random noise, hybrid chaotic maps, and SHA-256 hashing algorithm. The proposed scheme has been evaluated for several security parameters, such as differential attacks, entropy, correlation, etc. Results of the security analysis validate the potency of the proposed scheme in achieving robust image encryption.
• Score: 0.8205507411993582
• License: http://creativecommons.org/licenses/by-sa/4.0/
• 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 non-linear 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.

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