Key extraction in a chaos-based image cipher and wavelet packets

Corina Macovei; Adina-Elena Lupu; Mircea Răducanu; Octaviana Datcu

doi:10.1117/12.2572089

31 December 2020 Key extraction in a chaos-based image cipher and wavelet packets

Corina Macovei, Adina-Elena Lupu, Mircea Răducanu, Octaviana Datcu

Proceedings Volume 11718, Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies X; 117182J (2020) https://doi.org/10.1117/12.2572089
Event: Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies 2020, 2020, Online Only

Abstract

The novelty of this work is the statistical perspective of the cryptanalyst being able to perform a chosen plaintext attack on a private communication scheme involving chaos-based algorithms. The attacker finds himself in the position of analyzing the pseudo-random matrix that was used for encryption. The contribution is done in the context of the well-known fields of secret-key cryptology and that of wavelet packet decomposition of images. The analysis is exemplified on the thoroughly investigated, in the existing literature, simplest chaotic system, the logistic map. Kolmogorov-Smirnov tests, histogram testing, autocorrelation functions and nonlinear singular value decomposition are used. In addition, a new enciphering wavelet-based algorithm is proposed and analyzed.

Citation Download Citation

Corina Macovei, Adina-Elena Lupu, Mircea Răducanu, and Octaviana Datcu "Key extraction in a chaos-based image cipher and wavelet packets", Proc. SPIE 11718, Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies X, 117182J (31 December 2020); https://doi.org/10.1117/12.2572089

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