RFR: 8372526: Add support for ZLIB TLS Certificate Compression [v7]

Fri Jan 23 17:24:02 UTC 2026

> 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:

  Use newLinkedHashMap to avoid unnecessary reallocation. Remove redundant "handshake" check point from logging.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/28682/files
  - new: https://git.openjdk.org/jdk/pull/28682/files/ef0a8f04..c0fd9b86

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28682&range=06
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28682&range=05-06

  Stats: 8 lines in 1 file changed: 0 ins; 1 del; 7 mod
  Patch: https://git.openjdk.org/jdk/pull/28682.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28682/head:pull/28682

PR: https://git.openjdk.org/jdk/pull/28682