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Authors: George Teşeleanu 1 ; 2

Affiliations: 1 Advanced Technologies Institute, 10 Dinu Vintilă, Bucharest, Romania ; 2 Simion Stoilow Institute of Mathematics of the Romanian Academy, 21 Calea Grivitei, Bucharest, Romania

Keyword(s): Image Encryption Scheme, Chaos Based Encryption, Cryptanalysis.

Abstract: In 2019, Essaid et al. introduced a chaotic map-based encryption scheme for color images. Their approach employs three improved chaotic maps to dynamically generate the key bytes and matrix required by the cryptosystem. It should be noted that these parameters are dependent on the size of the source image. According to the authors, their method offers adequate security (i.e. 279 bits) for transmitting color images over unsecured channels. However, we show in this paper that this is not the case. Specifically, we present two cryptanalytic attacks that undermine the security of Essaid et al.’s encryption scheme. In the case of the chosen plaintext attack, we require only two chosen plaintexts to completely break the scheme. The second attack is a a chosen ciphertext attack, which requires two chosen ciphertexts and compared to the first one has a rough complexity of 224 . The attacks are feasible due to the fact that the key bits and matrix generated by the algorithm remain unaltered f or distinct plaintext images. (More)

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Paper citation in several formats:
Teşeleanu, G. (2024). Security Analysis of an Image Encryption Scheme Based on a New Secure Variant of Hill Cipher and 1D Chaotic Maps. In Proceedings of the 10th International Conference on Information Systems Security and Privacy - ICISSP; ISBN 978-989-758-683-5; ISSN 2184-4356, SciTePress, pages 745-749. DOI: 10.5220/0012356600003648

@conference{icissp24,
author={George Teşeleanu.},
title={Security Analysis of an Image Encryption Scheme Based on a New Secure Variant of Hill Cipher and 1D Chaotic Maps},
booktitle={Proceedings of the 10th International Conference on Information Systems Security and Privacy - ICISSP},
year={2024},
pages={745-749},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0012356600003648},
isbn={978-989-758-683-5},
issn={2184-4356},
}

TY - CONF

JO - Proceedings of the 10th International Conference on Information Systems Security and Privacy - ICISSP
TI - Security Analysis of an Image Encryption Scheme Based on a New Secure Variant of Hill Cipher and 1D Chaotic Maps
SN - 978-989-758-683-5
IS - 2184-4356
AU - Teşeleanu, G.
PY - 2024
SP - 745
EP - 749
DO - 10.5220/0012356600003648
PB - SciTePress

- Science and Technology Publications, Lda.
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