RFR: 8331008: Implement JEP 478: Key Derivation Function API (Preview) [v3]

[Kevin Driver]

On Thu, 9 May 2024 20:22:52 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Kevin Driver has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   some code review comments
>
> src/java.base/share/classes/com/sun/crypto/provider/HkdfKeyDerivation.java line 59:
> 
>> 57:     protected String hmacAlgName;
>> 58:     protected List<SecretKey> ikms;
>> 59:     protected List<SecretKey> salts;
> 
> Not sure if the 3 below should be `SecretKey` or `byte[]`. The latter has a benefit that when empty can be empty instead of null.

Will leave as `SecretKey`

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PR Review Comment: https://git.openjdk.org/jdk/pull/18924#discussion_r1600247713