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>
> What is the state of prior art for the P-384? When was it first published?
>
> Given that RIM is trying to sell itself right now and the patents are the
> only asset worth having, I don't have good feelings on this. Well apart from
> the business opportunities for expert witnesses specializing in crypto.
>
> The problem is that to make the market move we need everyone to decide to go
> in the same direction. So even though my employer can afford a license, there
> is no commercial value to that license unless everyone else has access.
>
>
> Do we have an ECC curve that is (1) secure and (2) has a written description
> prior to 1 Sept 1993?
>
> Due to submarine patent potential, even that is not necessarily enough but it
> would be a start.
My understanding is that of the NIST curves, P-256 and P-384 are unencumbered
and that P-521 was dropped from Suite B because of IP concerns along with MQV.
I don't pretend to speak with authority on any of it. The niggling things often
don't make sense. I'm just saying what my understanding is.
Jon
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