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Showing content from https://mail.python.org/pipermail/python-dev/2003-May/035906.html below:

[Python-Dev] Algoritmic Complexity Attack on Python

[Python-Dev] Algoritmic Complexity Attack on PythonJeff Epler jepler@unpythonic.net
Sat, 31 May 2003 08:05:06 -0500
On Fri, May 30, 2003 at 08:41:54PM -0400, Guido van Rossum wrote:
> Of course, such programs are already vulnerable to changes in the hash
> implementation between Python versions (which has happened before).

Is there at least a guarantee that the hashing algorithm won't change in a
bugfix release?  For instance, can I depend that
	python222 -c 'print hash(1), hash("a")'
	python223 -c 'print hash(1), hash("a")'
will both output the same thing, even if
	python23 -c 'print hash(1), hash("a")'
and
	python3000 -c 'print hash(1), hash("a")'
may print something different?

Jeff



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