RFR: 8286908: ECDSA signature should not return parameters [v3]

[Hai-May Chao]

On Thu, 19 May 2022 02:01:55 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Let ECDSA's `engineGetParameters()` always return null. At the same time, remove the remembered `sigParams` field. One behavior change is that after calling `setParameter()`, one can call `init()` again with a key using different parameters. I think this should be allowed since we are reusing the signature object with a brand new key.
>> 
>> `setParameter` is kept unchanged to be able to deal with certificates still having parameters after the signature algorithm object identifier. See https://bugs.openjdk.java.net/browse/JDK-8225745.
>> 
>> Also added SHA1withECDSA to the no-NULL list in `KnownOIDs`.
>> 
>> All security-related tests passed.
>
> Weijun Wang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
> 
>  - add reference to RFCs
>  - Merge branch 'master' into 8286908
>  - will not read params for ECDSA
>  - the fix

CSR and updated webrev look good.

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PR: https://git.openjdk.java.net/jdk/pull/8758