David Stutzman wrote:

I gleaned this from a presentation by a Microsoft employee at the Certicom ECC Conference:

ECC Details in Vista
• Using implementation from MS Research
• NIST ECC prime curves support
  – P-256, P-384, P-521
    • ECDSA: Signature
    • ECDH: Secret agreement
• Not Supported (out of the box)
  – Point compression
  – Binary curves
  – ECMQV
  – Koblitz curves
  – Custom curves

So the answer to the curves question is the 3 NIST primes 256,384 and 512 (I think he made a typo saying 521).

Thank you, David.  521 is not a typo.  The curve is P-521.

Wan-Teh

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