how we check the key space analysis and key sensitivity analysis in matlab??

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Sultan Mehmood
Sultan Mehmood 2019-7-22
回答： Abdullah Qayyum 2020-6-28
I = imread('camera man.png');
R = I(:)';
x=0.3;
p=0.343;
for n=2:65536;
if x(n-1)>=0 & x(n-1)<=p
x(n)=x(n-1)/p;
else
x(n)=(1-x(n-1))/(1-p);
end
end
A=sort(x);
[A,T]=sort(x);
Y=R(T);
C=reshape(Y,[256,256]);
V=imshow(C);
D=C(:)';
[D,U]=sort(T);
M=Y(U);
F=reshape(M,[256,256]);
imshow(F)
i want to check the key space nd key sensitivity . plz help

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回答（1 个）

Abdullah Qayyum
Abdullah Qayyum 2020-6-28
Have you find the answer? Please also let me know

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