RFR: 8368073: PKCS11 HKDF can't use byte array IKM in FIPS mode [v2]

[Valerie Peng]

On Tue, 23 Sep 2025 16:16:22 GMT, Daniel Jeliński <djelinski at openjdk.org> wrote:

>> Enable HDKF to work with providers that do not allow secret keys to be created from arbitrary data.
>> 
>> This permits the TLS 1.3 handshake to complete with SunPKCS11 provider backed by NSS in FIPS mode.
>> 
>> I added a TLS 1.3 test case to an existing test. The new test passes with the HKDF changes, fails without them. Other tier1-3 tests continue to pass.
>
> Daniel Jeliński has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Address review comments

Looks good to me.

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

Marked as reviewed by valeriep (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27384#pullrequestreview-3260363472