RFR: 8331008: Implement JEP 478: Key Derivation Function API (Preview) [v62]

[Valerie Peng]

On Fri, 18 Oct 2024 20:12:57 GMT, Kevin Driver <kdriver at openjdk.org> wrote:

>> Introduce an API for Key Derivation Functions (KDFs), which are cryptographic algorithms for deriving additional keys from a secret key and other data. See [JEP 478](https://openjdk.org/jeps/478).
>> 
>> Work was begun in [another PR](https://github.com/openjdk/jdk/pull/18924).
>
> Kevin Driver has updated the pull request incrementally with one additional commit since the last revision:
> 
>   add corresponding negative tests to Exhaustive test for ExtractThenExpand

test/jdk/com/sun/crypto/provider/KDF/HKDFSaltIKMTest.java line 51:

> 49:                         return c;
> 50:                     });
> 51:     }

This method seems not used?

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PR Review Comment: https://git.openjdk.org/jdk/pull/20301#discussion_r1809270436