RFR: 8331008: KDF Implementation [v2]

[Sean Mullan]

On Thu, 9 May 2024 16:19:36 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 with a new target base due to a merge or a rebase. The pull request now contains ten commits:
> 
>  - move the test to the correct directory, which was already created
>  - tests passing
>  - start deriveKey
>  - remove SHA224 mentions
>  - remove SHA224 mentions
>  - additional helper methods
>  - parameter validation for impl
>  - parameter validation for impl
>  - initial commit into open

src/java.base/share/classes/javax/crypto/KDFSpi.java line 35:

> 33: /**
> 34:  * This class defines the <i>Service Provider Interface</i> (<b>SPI</b>) for the
> 35:  * <code>KeyDerivation</code> class.

s/KeyDerivation/KDF/

src/java.base/share/classes/javax/crypto/KDFSpi.java line 65:

> 63: 
> 64:     /**
> 65:      * Derive a key, returned as a {@code Key}.

s/Key/SecretKey/

src/java.base/share/classes/javax/crypto/KDFSpi.java line 98:

> 96:      *
> 97:      * @return a byte array whose length matches the length field in the processed
> 98:      * {@code DerivationParameterSpec} and containing the next bytes of output from the key

s/DerivationParameterSpec/KDFParameterSpec/  (multiple places)

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

PR Review Comment: https://git.openjdk.org/jdk/pull/18924#discussion_r1595766355
PR Review Comment: https://git.openjdk.org/jdk/pull/18924#discussion_r1595764570
PR Review Comment: https://git.openjdk.org/jdk/pull/18924#discussion_r1595764166