encrypt an image in matlab

if i want to encrypt an image using choatic maps and Substitution Box i want to know the steps of code to create the key inorder to generate the S Box
or can anyone explain the mechanism of these algorithm S Box ?
can anyone help me please ??

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If you know the steps kindly guide me also.

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Asked:

on 1 Apr 2021

Commented:

on 7 Dec 2022

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