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Let H ( x ) = SHA - 2 5 6 ( x ) m o d 1 0 Is H ( x ) a
Let SHA
Is a collision resistant hash function? If yes, describe why. If no how would you find a collision?
Let where each piece is bits long.
Let where is regular exponentiation, and is as defined above.
Is collision resistant? If yes, describe why. If no find a collision.
Hint: What if is only a single piece?
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