OpenSSL patents: how to know when wpa_supplicant uses patented algorithms

George S. Lockwood gslockwood at gmail.com
Wed Sep 6 22:50:50 EDT 2006


Thanks.  I was considering trying to build without them and see what
happens, but it is helpful to read your notes.

I am planning to have a lawyer look over that  last vague part.

I'm especially looking forward to your comments re: proper
scan/scan_results at cli-style app startup...

thanks!

On 9/6/06, Jouni Malinen <jkmaline at cc.hut.fi> wrote:
> On Wed, Sep 06, 2006 at 08:38:37AM -0700, George S. Lockwood wrote:
>
> > The OpenSSL readme.txt (attached) speaks about Patents and algorithms,
> > specifically the RC5 algorithm to name one here.
> >
> > Does the supplicant use any of these? I suppose it does, but how to
> > determine? any ideas?  Perhaps is a very vague question, perhaps you
> > have a definitive answer because you have already gone through an
> > effort to investigate this issue.
>
> If you are talking about the use of these algorithms especially in
> OpenSSL, you can just disable them from the OpenSSL build and they will
> not be used. Supplicant does not require RC5, IDEA, or MDC2 for anything
> and in general, I would just disable them in the OpenSSL build.
>
> >  PATENTS
> >  -------
> >
> >  Various companies hold various patents for various algorithms in various
> >  locations around the world. _YOU_ are responsible for ensuring that your use
> >  of any algorithms is legal by checking if there are any patents in your
> >  country.
>
> I would certainly agree with this part of the comments in OpenSSL ;-).
>
> --
> Jouni Malinen                                            PGP id EFC895FA
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