On Sep 22, 2015, at 10:18 AM, Tim Graham <timogra...@gmail.com> wrote:

> As I understand it, the problem with increasing the number of iterations on 
> the slower hasher is that upgrading Django could effectively result in a DDoS 
> attack after you upgrade Django as users passwords are upgraded.

Is that correct?  My understanding was that the passwords were only modified 
when changed.  Given that it is a unidirectional hash, I'm not sure how they 
*would* be rehashed.

--
-- Christophe Pettus
   x...@thebuild.com

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