Cryptography Teacher Question:
On perform the Mix Columns transformation for the sequence of bytes “77 89 AB CD” we get output
a) {01 55 EE 4A}
b) {0A 44 EF 4A}
c) {08 55 FF 3A}
d) {09 44 DD 4A}
Answer:
c) {08 55 FF 3A}
Explanation: Perform the mix columns transformation to obtain the output {08 55 FF 3A}.
Explanation: Perform the mix columns transformation to obtain the output {08 55 FF 3A}.
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