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I commented on a possible 'fix' for the potential problem with perls current hashing function at Re: Hash Clash on purpose and would be interested on your assessment of the notion.

If that isn't a fix, or cannot be implemented without undue penalty, I wonder if there isn't at least some mileage in having a new warning, along the lines of the 'Deep recursion' warning, that simply notes that a hash is exhibiting anomolous or 'worst case' behaviour at runtime. It wouldn't fix anything, but its presence in the logs could go a long way in trying to track down such behaviour down?

Maybe a corresponding pragma that allowed the 'hash quality' threshold that would trigger the warning to be specified?

Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"When I'm working on a problem, I never think about beauty. I think only how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong." -Richard Buckminster Fuller

In reply to Re: Re: hash collision DOS by BrowserUk
in thread hash collision DOS by kschwab

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