[Python-Dev] Status of the fix for the hash collision vulnerability

Gregory P. Smith greg at krypto.org
Sat Jan 14 20:17:01 CET 2012


My patch example does change the bytes object hash as well as Unicode.
On Jan 13, 2012 7:46 PM, <martin at v.loewis.de> wrote:

> What an implementation looks like:
>>
>>  http://pastebin.com/9ydETTag
>>
>> some stuff to be filled in, but this is all that is really required.
>>
>
> I think this statement (and the patch) is wrong. You also need to change
> the byte string hashing, at least for 2.x. This I consider the biggest
> flaw in that approach - other people may have written string-like objects
> which continue to compare equal to a string but now hash different.
>
> Regards,
> Martin
>
>
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