Question: Assume you have a computer that can execute a collision attack on a SHA hash function at the rate of 1 every 0 . 0

Assume you have a computer that can execute a collision attack on a SHA hash function at the rate of 1 every 0.0001 seconds.
(a) How many years will it take for you to detect a random collision at 50% probability for a 256-bit hash
(b) How many years will it take for you to detect a random collision at 50% probability for a 512-bit hash

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