Question: Q2) Suppose that we have a computer that can test 230 keys each second, what is the expected time (in years) to find a key

Q2) Suppose that we have a computer that can test 230

Q2) Suppose that we have a computer that can test 230 keys each second, what is the expected time (in years) to find a key of a simple substitution cipher by exhaustive key search... - In worst situation: E years. - On average: E years. (xEy means x10y. For x,1 decimal place is enough)

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