RFR: 8331008: Implement JEP 478: Key Derivation Function API (Preview) [v34]

[Kevin Driver]

On Mon, 13 May 2024 20:48:31 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Kevin Driver has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   code review comments
>
> src/java.base/share/classes/com/sun/crypto/provider/HkdfKeyDerivation.java line 81:
> 
>> 79:      *     if the initialization parameters are inappropriate for this {@code KDFSpi}
>> 80:      */
>> 81:     protected HkdfKeyDerivation(AlgorithmParameterSpec algParameterSpec)
> 
> I suggest throwing an exception if params is not null.

What would we say in the javadoc? We throw `null` temporarily, since there are no known algorithms that support parameters? We may not want to issue a change/fix if this becomes no longer the case (ie- some provider besides us offers one).

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PR Review Comment: https://git.openjdk.org/jdk/pull/18924#discussion_r1599193734