1 Substitution byte transformation use the lookup table below to find the transforms of the bytes 25 and EF (for xy input the output is obtained using row x and column y 2 Mix Columns transformation find the value of 0, 3 Shift row transformation Use the diagram below to find the transform of the second row 99 88 77 66 s0,is1,is2,is3,i 02010103030201010103020101010302 02 01 AB A0

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Question: 1. Substitution byte transformation: use the lookup table below to find the transforms of the bytes [25] and [EF] (for [xy] input the output is

1. Substitution byte transformation: use the lookup table below to find the transforms of the bytes [25] and [EF] (for [xy] input the output is obtained using row x and column y]:

1. Substitution byte transformation: use the lookup table below to find

2. Mix Columns transformation: find the value of 0,.

the transforms of the bytes [25] and [EF] (for [xy] input the

3. Shift row transformation: Use the diagram below to find the transform of the second row: [99][88][77][66]:

output is obtained using row x and column y]: 2. Mix Columns

s0,is1,is2,is3,i=02010103030201010103020101010302[02][01][AB][A0]

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