RFR: 8328119: Support HKDF in SunPKCS11 (Preview) [v8]

[Martin Balao]

On Sat, 4 Jan 2025 01:18:01 GMT, Valerie Peng <valeriep at openjdk.org> wrote:

>> Martin Balao has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Check disabled PKCS #11 mechanisms when concatenating keys and data.
>>   
>>   Co-authored-by: Martin Balao Alonso <mbalao at redhat.com>
>>   Co-authored-by: Francisco Ferrari Bihurriet <fferrari at redhat.com>
>
> src/jdk.crypto.cryptoki/share/classes/sun/security/pkcs11/P11KDF.java line 45:
> 
>> 43:     private final Token token;
>> 44:     private final P11SecretKeyFactory.HKDFKeyInfo svcKi;
>> 45:     private final long hmacMechanism;
> 
> `svcki` and `hmacMechanism` are HKDF specific, so maybe this class should be named `P11HKDF` instead?

Our original intention was to keep it more open but it's true that in the end it's HKDF-specific. I'll rename it.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22215#discussion_r1905965613