Question: Assuming you can do 2 22 encryptions per second and the key size is 42 bits, how long would a brute force attack take? Give

  1. Assuming you can do 222 encryptions per second and the key size is 42 bits, how long would a brute force attack take? Give a scenario where this would be practical and another where it wouldnt. What happens if you double the key size?

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