RFR: 8353888: Implement Key Derivation Function API [v2]

[Weijun Wang]

> Finalize the KDF API.

Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:

  add enum back

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24520/files
  - new: https://git.openjdk.org/jdk/pull/24520/files/4ff3b95b..66706a50

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24520&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24520&range=00-01

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24520.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24520/head:pull/24520

PR: https://git.openjdk.org/jdk/pull/24520