RFR: 8341346: Add support for exporting TLS Keying Material [v3]

[Weijun Wang]

On Wed, 30 Apr 2025 23:38:03 GMT, Bradford Wetmore <wetmore at openjdk.org> wrote:

>> Adds the RFC 5705/8446 TLS Key Exporters API/implementation to JSSE/SunJSSE respectively.
>> 
>> CSR is underway.
>> 
>> Tests include new unit tests for TLSv1-1.3.  Will run tier1-2, plus the JCK API (jck:api/java_security jck:api/javax_crypto jck:api/javax_net jck:api/javax_security jck:api/org_ietf jck:api/javax_xml/crypto)
>
> Bradford Wetmore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Moved too fast

src/java.base/share/classes/sun/security/ssl/SSLSessionImpl.java line 1691:

> 1689:                 // ...now the final expand.
> 1690:                 SecretKey key = hkdf.expand(derivedSecret, hkdfInfo, length,
> 1691:                         "label");

Are you using "label" as the algorithm name for the output?

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PR Review Comment: https://git.openjdk.org/jdk/pull/24976#discussion_r2070397219