Have a look at the source code for KeePass Password Safe (
http://keepass.info/).  It has a password generator and strength
computation. Version 1.x is written in C++ for MS Windows (using MFC).
Version 2.x is a rewrite in C# for .NET.

It has been ported as KeyPassX for Mac OS X and Linux.

- h

On Thu, Jan 7, 2010 at 11:51, Martin Hewitson <martin.hewit...@aei.mpg.de>wrote:

> Dear list,
>
> Is anybody aware of a reasonable algorithm or some code that can be used to
> test/check the strength of a password? I'd like to give a kind of score or a
> color (red,yellow,green). I've looked at cracklib, but that doesn't give a
> score, really.
>
> Best wishes,
>
> Martin
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Martin Hewitson
> Albert-Einstein-Institut
> Max-Planck-Institut fuer
>    Gravitationsphysik und Universitaet Hannover
> Callinstr. 38, 30167 Hannover, Germany
> Tel: +49-511-762-17121, Fax: +49-511-762-5861
> E-Mail: martin.hewit...@aei.mpg.de
> WWW: http://www.aei.mpg.de/~hewitson <http://www.aei.mpg.de/%7Ehewitson>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
>
>
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