RFR: 8331008: KDF Implementation (Preview) [v33]

[Sean Mullan]

On Mon, 13 May 2024 16:30:54 GMT, Kevin Driver <kdriver at openjdk.org> wrote:

>> Introduce an API for Key Derivation Functions (KDFs), which are cryptographic algorithms for deriving additional keys from a secret key and other data. See [JEP 478](https://openjdk.org/jeps/478).
>
> Kevin Driver has updated the pull request incrementally with one additional commit since the last revision:
> 
>   update @return statement

src/java.base/share/classes/javax/crypto/KDFSpi.java line 58:

> 56:      * The sole constructor.
> 57:      * <p>
> 58:      * An {@code AlgorithmParameterSpec} may be specified for PRF algorithms that

s/PRF/KDF/

src/java.base/share/classes/javax/crypto/KDFSpi.java line 72:

> 70:     protected KDFSpi(AlgorithmParameterSpec algParameterSpec)
> 71:         throws InvalidAlgorithmParameterException {
> 72:         this.algorithmParameterSpec = algParameterSpec;

Related to above comment about not storing the params, make this ctor do nothing.

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PR Review Comment: https://git.openjdk.org/jdk/pull/18924#discussion_r1598822450
PR Review Comment: https://git.openjdk.org/jdk/pull/18924#discussion_r1598824597