On Fri, 12 May 2000, mouss wrote:
> I am aware of the patent, but don't know if it applies to non commercial
> use.
> that was y question
They didn't used to, but there have been a lot of changes in Intellectual
Property laws recently, and I haven't kept up on them. Cyberia would
probably be a good place to ask that question, as it's frequented by a
fair number of lawyers.
> For commercial use, as far as I know, there are possibilities to
> "negociate" a symbolic cost, but I really am not aware of the details.
RSA's position was that commercial users of the algorithm had to pay
rather significant fees if they didn't develop with BSAFE last I checked.
> >I thought (but don't quote me,
> > unfortunately I don't have time to research it) IDEA was patented by a
> > European company.
>
> according to http://www.ascom.ch/infosec/idea/policy.html it seems patented
> both in europe
> (Austria, France, Germany, Italy, Netherlands, Spain, Sweden, Switzerland,
> United Kingdom) and in the US, with exp around 2010/2011. so we're out of
> luck!
Thanks for the reference!
> one better goes with twofish or stays with that old DES until AES replaces
> it...
I'd rather go twofish or blowfish than DES at the moment, though with an
Open Source implementation of DES, I'm much happier than with a
proprietary library that could possibly be trojaned.
Paul
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