Thiago A Santos, E. P. Magalhães, N. P. Basilio, E. Nepomuceno, T. Karimov, D. Butusov
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Improving Chaotic Image Encryption Using Maps with Small Lyapunov Exponents
Chaos-based encryption is one of the promising cryptography techniques that can be used. Although chaos-based encryption provides excellent security, the finite precision of number representation in computers affects decryption accuracy negatively. In this paper, a way to mitigate some problems regarding finite precision is analyzed. We show that the use of maps with small Lyapunov exponents can improve the performance of chaotic encryption scheme, making it suitable for image encryption.
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