RFR: 8372526: Add support for ZLIB TLS Certificate Compression [v17]

[Xue-Lei Andrew Fan]

On Wed, 4 Feb 2026 19:11:18 GMT, Artur Barashev <abarashev at openjdk.org> wrote:

>> Implement certificate compression in TLS 1.3 using internally supported ZLIB compression algorithm. See RFC 8879 for more details:
>> https://datatracker.ietf.org/doc/html/rfc8879
>
> Artur Barashev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Correct message name in javadoc

src/java.base/share/classes/sun/security/ssl/SSLContextImpl.java line 236:

> 234:         return compCertCache;
> 235:     }
> 236: 

Thank you for the update, @artur-oracle!   As sslContext instance are normally run in multiple threads context, could cache operation synchronization be a concern?

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

PR Review Comment: https://git.openjdk.org/jdk/pull/28682#discussion_r2766411795