Question: 1 ) Mix column B = ( b 7 , b 6 , b 5 , b 4 , b 3 , b 2 ,

1) Mix column B=(b7,b6,b5,b4,b3,b2,b1,b0) be a byte , Show how to Compute {02}*B in the mix colum transformation. 2) Show the first word of the key expansion for a 128-bit key on the form FFFFFFFFEEEEFEFEDDDDDDD
i want detailed sulation please
1 ) Mix column B = ( b 7 , b 6 , b 5 , b 4 , b 3

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