On Jul 19, 2014 11:45 AM, "Yasuo Ohgaki" <yohg...@ohgaki.net> wrote:
>
> Hi Nikita,
>
> On Sat, Jul 19, 2014 at 2:46 PM, Nikita Popov <nikita....@gmail.com>
wrote:
>
> > I'm against adding this notice to password_hash. This will require all
> > applications to ensure that passwords are shorter than 72 chars. I don't
> > think that's a good idea.
>
>
> Generally speaking, it would not be serious issue. 72 bytes constant
prefix
> would
> not be used most likely.
>
> However, bug like this in "authentication" code must be detected  and
> fixed.
> If password should be truncated, it should be truncated by app developers
> explicitly and
> notified users that their password had been truncated.  IMHO.
>
> Regards,
>
> --
> Yasuo Ohgaki
> yohg...@ohgaki.net

Hi,

There's already a notice about this in the password_hash() docs, one that
almost looks like is designed to scare users, which is bad. Throwing an
E_NOTICE will cause more problems than it would supposedly solve.

Application developers should just state this limitation on their
registration/password change pages, anything else is pointless.

Cheers,
Andrey.

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