[erlang-questions] Module For Enforcing Password Strength

Michael Truog <>
Mon Aug 16 18:37:56 CEST 2010

I have a trie data structure that might help for the dictionary attack:

The rest should be straight-forward calculations, it seems.

On 08/16/2010 01:34 AM, Gordon Guthrie wrote:
> Folks
> I was sitting fingers poised on the keyboard to write a module to test
> password strength and I though, "haud on, somebody musta done this"...
> Does anyone know of a library module that checks passwords for:
> * length
> * dictionary attack
> * contains numbers/punctuation
> * etc, etc
> Or does anyone have the bones of one that could be turned into an open
> source library (I would take on the maintenance if that was too much of a
> chore).
> Gordon

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