Hi Patrick,

Wei should answer this definitively, but he's been busy lately so I'll
take a shot.

> certicom has patents covering compressing point data.
I know Certicom has a lot of patents covering ECC and optimizations,
but I don't know about compression.

> Does the param turn on the patetned compression technique?
If patentented, probably not.

> If not what disadvantage does compression have?
I don't know.

Jeff

On 9/2/08, Patrick <[EMAIL PROTECTED]> wrote:
>
> Hello,
>
> First off, thanks for the answers to my previous question.
>
> I'm looking at the wiki example for storing the public key:
>
> PublicKey.GetGroupParameters().GetCurve().EncodePoint(pubFile,
>    PublicKey.GetPublicElement(), true);
>
> The final parameter allows for storing the point in compressed or
> uncompressed format. IIRC certicom has patents covering compressing
> point data. Does the param turn on the patetned compression technique?
> If not what disadvantage does compression have?
>
> Thanks again,
> Patrick

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