RFR: 8325513: Export method for Cipher [v3]

[Jamil Nimeh]

On Fri, 10 May 2024 14:00:55 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Add `Cipher::export` API.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   change new method to non final

That seems like a good approach.  If Cipher can address all the use cases for HPKE then is seems more prudent to proceed with #2.  As for the KDF impact, do you see a potential Cipher-based HPKE needing to know the details of the KDF API?  Or would it just need to know a standard algorithm name for a given KDF?  If the latter then you may not need to wait for KDF in order to proceed given where it is in its review cycle.

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PR Comment: https://git.openjdk.org/jdk/pull/18409#issuecomment-2113005112