RFR 8223063: Support CNG RSA keys

[Weijun Wang]

Updated webrev at

   http://cr.openjdk.java.net/~weijun/8223063/webrev.01/

Mostly test change. One unused export removed.

Thanks,
Max

> On May 1, 2019, at 7:18 AM, Weijun Wang <weijun.wang at oracle.com> wrote:
> 
> Please take a look at
> 
>    https://cr.openjdk.java.net/~weijun/8223063/webrev.00/
> 
> Unfortunately, although the new test I added succeeds on my own machine, the "certutil -importPFX" command inside always fail on Mach5 with
> 
>   Command line: [certutil -f -v -p changeit -user -importpfx MY ks NoRoot]
>   A -- A-7626e24d-46df-4ba0-8880-9866bb1-01966
>   A -- A-7626e24d-46df-4ba0-8880-9866bb178ab6
>   CertUtil: -importPFX command FAILED: 0x80090029 (-2146893783 NTE_NOT_SUPPORTED)
>   CertUtil: The requested operation is not supported.
> 
> Maybe there is a permission issue.
> 
> I'll study it for more, but If anyone of you can fix it I'll be very happy.
> 
> Thanks,
> Max
>