Re: Elliptic Curve key definitions in X9.62 and X9.63

Thanks Karen.

+1 to referencing the free versions.

...Mark


On Fri, Mar 7, 2014 at 4:02 PM, Lu HongQian Karen <karen.lu@gemalto.com>wrote:

>  Mark,
>
>
>
> May be we should reference the latest standards from NIST, which are free
> to download?
>
>
>
> Here are the relevant NIST documents and information:
>
>
>
> NIST.FIPS 186-4 (digital signature standard, July 2013) specifies ECDSA.
> The ECC key pair generation is in the appendix B.
>
>
>
> NIST.SP 800-56A v2 (recommendation for pair-wise key establishment schemes
> using discrete logarithm cryptography, May 2013) describes ECDH. Section
> 5.6.1.2 says: "For the ECC schemes, each static and ephemeral private key d
> and public key Q shall be generated using an approved method (see Appendix
> B of [FIPS 186])..."
>
>
>
> So the key pairs for ECDSA and ECDH are (or can be) generated the same
> way, at least from the NIST perspective.
>
>
>
> Regards,
>
> Karen
>
>
>
>
>
> *From:* Mark Watson [mailto:watsonm@netflix.com]
> *Sent:* Tuesday, March 04, 2014 7:46 PM
> *To:* public-webcrypto@w3.org
> *Subject:* Elliptic Curve key definitions in X9.62 and X9.63
>
>
>
> I'm hoping that someone on this list can answer the following question to
> save me from buying and wading through these two ANSI documents.
>
>
>
> Is the definition of an Elliptic Curve Key Pair in X9.62 (which we
> reference for ECDSA) and X9.63 (which we reference for ECDH) the same ?
>
>
>
> It would seem that it must be, but without the documents in front of me I
> can't be sure.
>
>
>
> ...Mark
>
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