RFR 8244565: Accept PKCS #8 with version number 1

[Weijun Wang]

Found an existing test I can update. Webrev updated at

   http://cr.openjdk.java.net/~weijun/8244565/webrev.01/

Thanks,
Max

> On May 8, 2020, at 5:41 PM, Weijun Wang <weijun.wang at oracle.com> wrote:
> 
> Please take a review at
> 
>   http://cr.openjdk.java.net/~weijun/8244565/webrev.00/
> 
> Now we accepts a PKCS8 file with version being 0 or 1. The publicKey and attributes are still not parsed.
> 
> I also take this chance to make some format change.
> 
> There is no regression test and I'll add one. I can generate a PKCS8 key and then modify the version from 0 to 1 and try to read it. Or I can find a PKCS8 generated by some other tool and embed it the test to read it. Please advise which is better.
> 
> Thanks,
> Max
>