Write program to compute output of mixcolumns transformation

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Using Matlab write a program to compute the output of the MixColumns transformation for the following sequence of input bytes "67 89 AB CD" Apply the InvMixColumns transformation to the obtained result to verify your calculation. Change the first byte of the input from"67" to "77" perform the MixColumns again for the new input and determine how many bits changed in the output.

Reference no: EM13984467

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