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. 2023 Jul 31;25(8):1147. doi: 10.3390/e25081147

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Key sensitivity experimental results: (a) 5.1.14; (b) ciphertext obtained by ${\hat{x}}_{0} = {\hat{x}}_{0} + 10^{- 15}$ ; (c) ${\hat{y}}_{0} = {\hat{y}}_{0} + 10^{- 15}$ ; (d) $\hat{a} = \hat{a} + 10^{- 15}$ ; (e) $\hat{b} = \hat{b} + 10^{- 15}$ ; (f) ciphertext of (a); (g) difference between (f) and (b); (h) difference between (f) and (c); (i) difference between (f) and (d); (j) difference between (f) and (e).