Question: Problem 6 : Your friend builds a very powerful computer that uses brute force to find a 5 6 - bit DES key in 1

Problem 6:
Your friend builds a very powerful computer that uses brute force to find a 56-bit DES key in 1 hour, so you make an even better machine that can try 256 AES keys in 1 second. How long will this machine take to try all 2128 AES keys?

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