RFR: 8314323: Implement JEP 527: TLS 1.3 Hybrid Key Exchange [v10]

Hai-May Chao hchao at openjdk.org
Wed Dec 3 09:20:47 UTC 2025


> Implement hybrid key exchange support for TLS 1.3 by adding three post-quantum hybrid named groups: X25519MLKEM768, SecP256r1MLKEM768, and SecP384r1MLKEM1024.
> Please see [JEP 527](https://openjdk.org/jeps/527) for details about this change.

Hai-May Chao has updated the pull request incrementally with three additional commits since the last revision:

 - Updates with Brad's and Sean's comments
 - Move Hybrid.java to sun.security.ssl
 - Move DH.java to sun.security.ssl as DHasKEM.java

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/27614/files
  - new: https://git.openjdk.org/jdk/pull/27614/files/194ca589..00d49181

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27614&range=09
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27614&range=08-09

  Stats: 936 lines in 12 files changed: 440 ins; 386 del; 110 mod
  Patch: https://git.openjdk.org/jdk/pull/27614.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27614/head:pull/27614

PR: https://git.openjdk.org/jdk/pull/27614


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