perform image encryption and verification with chaotic maps in matlab

img = imread('image.png');
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img = rgb2gray(img);
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x = 0.1;
y = 0.1;
z = 0.1;
a = 10;
b = 28;
c = 8/3;
n = numel(img);
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X = zeros(1, n);
Y = zeros(1, n);
Z = zeros(1, n);

for i = 1:n
    X(i+1) = Y(i) + a*(Y(i) - X(i));
    Y(i+1) = X(i)*(b - Z(i)) - Y(i);
    Z(i+1) = X(i)*Y(i) - c*Z(i);
end

% Scaling
X = X./max(X);
Y = Y./max(Y);
Z = Z./max(Z);
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encrypted_img = bitxor(img, uint8(X(1:n)));
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decrypted_img = bitxor(encrypted_img, uint8(X(1:n)));
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subplot(1, 3, 1);
imshow(img);
title('Original Image');

subplot(1, 3, 2);
imshow(encrypted_img);
title('Encrypted Image');

subplot(1, 3, 3);
imshow(decrypted_img);
title('Decrypted Image');
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