Make a unique filesystem path, without creating the file
steve at pearwood.info
Mon Feb 22 18:45:37 EST 2016
On Tue, 23 Feb 2016 06:22 am, Paul Rubin wrote:
> Chris Angelico <rosuav at gmail.com> writes:
>>> I was under the impression that the point of UUIDs is that you can be
>>> *so* confident that there won't be a collision that for all practical
>>> purposes it's indistinguishable from being certain.
>> Maybe, if everyone's cooperating. I'm not sure how they fare in the
>> face of malice though.
> There are different UUID algorithms, some of which have useful syntax
> but are easy to spoof. Uuid4 is random and implemented properly, should
> be hard to spoof.
I'm not sure what you mean by "spoof" in this context. Do you mean generate
Do you mean "pretend to generate a UUID, but without actually doing so"?
That's how I interpret "spoof", but I don't quite understand why that would
be difficult. Here's one I just made now:
They weren't hard to spoof :-)
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