RFR: 8325448: Hybrid Public Key Encryption [v10]

[Weijun Wang]

> Implement HPKE as defined in https://datatracker.ietf.org/doc/rfc9180/.
> ![HPKEParameterSpec](https://github.com/user-attachments/assets/4a7e6609-fd64-444a-978f-bde1634caa70)

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

  switch to Asserts.assertThrows in test; use traditional javadoc style

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18411/files
  - new: https://git.openjdk.org/jdk/pull/18411/files/9360dfd2..4bb17504

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18411&range=09
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18411&range=08-09

  Stats: 208 lines in 3 files changed: 8 ins; 79 del; 121 mod
  Patch: https://git.openjdk.org/jdk/pull/18411.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18411/head:pull/18411

PR: https://git.openjdk.org/jdk/pull/18411