RFR: 8325448: Hybrid Public Key Encryption [v21]

Fri Jun 27 21:22:27 UTC 2025

On Fri, 27 Jun 2025 16:55:59 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Implement HPKE as defined in https://datatracker.ietf.org/doc/rfc9180/.
>> 
>> ![HPKEParameterSpec06-27](https://github.com/user-attachments/assets/d0425a10-a312-4a95-8cee-2fbec5d83ddd)
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   some spec change

It's only a tuple for a single-shot encryption. The general operation is still one encapsulation followed by multiple "seal" outputs. As for the IV, I think it's not uncommon that the cipher generates a random one.

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PR Comment: https://git.openjdk.org/jdk/pull/18411#issuecomment-3014375351