Should Compression(Huffman coding) be followed by Encryption(AES) or viceversa or both options are fine?
Please let me know the pros and cons of each approach.
MATLAB: Should Compression(Huffman coding) be followed by Encryption(AES) or viceversa or both options are fine
compressionencryption
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%No Code Error
clc;clear all;close all;fun=@(t,x) x.^3+x.^2-12*x;figure, fplot(@(x) fun(0,x),[-5,5])grid onxlabel('x'); ylabel('f(x)');title('Function plot')fp=solve(fun) % fixed point
[T X]=meshgrid(0:0.1:5, -5:0.1:5);dY=fun(T,X);dT=ones(size(dY));L=sqrt(1+dY.^2);figure, quiver(T,X, dT./L, dY./L,0.5);axis tightxlabel('Time(t)'); ylabel('x(t)')title('Stability graph')[t1,x1]=ode45(fun,[0 5],0.1);figure,plot(t1,x1)xlabel('Time (t)'); ylabel('x');title('Solution at initial point x=0.1')
typecast will convert a 32bit float to a single 32bit integer, or into 4 8 bit integers, or 4 characters. (And vice versa).
32 bit float = single format
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