RFR: 8325448: Hybrid Public Key Encryption [v14]

[Weijun Wang]

> Implement HPKE as defined in https://datatracker.ietf.org/doc/rfc9180/.
> ![HPKEParameterSpec](https://github.com/user-attachments/assets/8cc7101b-92d1-43be-b7b4-24a7ba449231)

Weijun Wang has updated the pull request incrementally with two additional commits since the last revision:

 - put encapsulation in params from getParameters
 - receiver must specify all algorithm identifiers

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18411/files
  - new: https://git.openjdk.org/jdk/pull/18411/files/c578ef5d..0796a423

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18411&range=13
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18411&range=12-13

  Stats: 235 lines in 6 files changed: 54 ins; 110 del; 71 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