Technically, you could find a collision in 1 try using a Monte Carlo method, i.e. random guessing. The change is extremely small, but not impossible. This is the case for *all* hashing no matter how large the hash space is.

In reply to Re^3: On showing the weakness in the MD5 digest function and getting bitten by scalar context by perlfan
in thread On showing the weakness in the MD5 digest function and getting bitten by scalar context by grinder

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