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Question 5 (12%) How many tests are necessary to break a DES encryption by brute force attack? What is the expected number of tests to

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Question 5 (12%) How many tests are necessary to break a DES encryption by brute force attack? What is the expected number of tests to break a DES encryption by brute force attack? How many tests are necessary to break a 128-bit key AES encryption by brute force attack? What is the expected number of tests to break a 128-bit key AES encryption by brute force attack

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