Question: 3. For an n-bit hash function and m-bit messages, there are 2m - n messages per hash value. For example, m = 1024 and n

3. For an n-bit hash function and m-bit messages, there are

3. For an n-bit hash function and m-bit messages, there are 2m - n messages per hash value. For example, m = 1024 and n = 128, there are 2896 messages per hash value. Still, why is it difficult to find hash collision

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