At 06:11 PM 10/5/95 +1000, David Gerard wrote:

One thing that occurs to me: suppose I go to control, collect cancel messages, and build myself a collection of M1's that will work with a given M2?

That is, I can't actually invert the hashing function. But if a given hash function is standard, then I can eventually build up a collection of M1s for M2s that will let me cancel quite a few things I may want to. How many cancel messages come through in a day?

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