[Python-Dev] Hash randomization for which types?

Glenn Linderman v+python at g.nevcal.com
Tue Feb 16 14:56:55 EST 2016


On 2/16/2016 1:48 AM, Christoph Groth wrote:
> Hello,
>
> Recent Python versions randomize the hashes of str, bytes and datetime 
> objects.  I suppose that the choice of these three types is the result 
> of a compromise.  Has this been discussed somewhere publicly?

Search archives of this list... it was discussed at length.

> I'm not a web programmer, but don't web applications also use 
> dictionaries that are indexed by, say, tuples of integers?

Sure, and that is the biggest part of the reason they were randomized.  
I think hashes of all types have been randomized, not _just_ the list 
you mentioned.
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