It's not just dumping a hash structure that causes it. Solutions would including things like limiting the total number of hash elements, or perturbing the input data in a less predictable way.

The white paper is a bit short on details, but I'm not sure I'd characterize it as a "non-issue".

Update:See this for more detail and example exploits.

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

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