On Thu, 8 May 2025 21:19:10 GMT, Valerie Peng <valer...@openjdk.org> wrote:

>> This PR removes the internal JSSE HKDF impl and changes to use the KDF API 
>> for the HKDF support from JCA/JCE providers.
>> 
>> This is just code refactoring. Known-answer regression test for the internal 
>> JSSE HKDF impl is removed as the test vectors are already covered by the 
>> HKDF impl in SunJCE provider.
>> 
>> Thanks in advance for the review~
>
> Valerie Peng has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Address review feedbacks from Brad.

src/java.base/share/classes/sun/security/ssl/SSLBasicKeyDerivation.java line 49:

> 47:         this.secret = secret;
> 48:         this.hkdfInfo = createHkdfInfo(label, context, 
> hashAlg.hashLength);
> 49:         this.keyLen = hashAlg.hashLength;

Very minor nit: might be worth accessing this field once and passing 
`this.keyLen` to `createHkdfInfo` instead.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/24393#discussion_r2085329395

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