Abstract
Recently a new image encryption method based on DNA encoding and chaotic systems has been proposed. In this paper, several weaknesses of this cryptosystem are pointed out. Equivalent mathematical model of the cryptosystem is designed and algebraic analysis is given. Moreover reduction of the key space has been reached by finding equivalent keys. A recovering scheme is finally given with a lower complexity than the actual decryption scheme.
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Belazi, A., Hermassi, H., Rhouma, R. et al. Algebraic analysis of a RGB image encryption algorithm based on DNA encoding and chaotic map. Nonlinear Dyn 76, 1989–2004 (2014). https://doi.org/10.1007/s11071-014-1263-y
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DOI: https://doi.org/10.1007/s11071-014-1263-y