JSR 402 (Java SE 27): JEP Proposed to Target: 527: Post-Quantum Hybrid Key Exchange for TLS 1.3

Iris Clark iris.clark at oracle.com
Mon Jan 12 20:23:03 UTC 2026


The following JEP with scope "SE" has been proposed to target JDK 27:

  527: Post-Quantum Hybrid Key Exchange for TLS 1.3
       https://openjdk.org/jeps/527

  Summary: Enhance the security of Java applications that require secure
  network communication by implementing hybrid key exchange algorithms
  for TLS 1.3.  Such algorithms defend against future quantum computing
  attacks by combining a quantum-resistant algorithm with a traditional
  algorithm.  Applications that use the javax.net.ssl APIs will benefit
  from these improved algorithms by default, without change to existing
  code.

The announced deadline for feedback to jdk-dev is Mon 19 Jan 20:00 UTC:

    https://mail.openjdk.org/pipermail/jdk-dev/2026-January/010723.html

If there are no unresolved objections at that time, then the JEP will be moved
to the Targeted state, indicating that the feature is expected to appear in
the specified release of the JDK Project.  For more information about states,
see the JEP Process document:

    https://openjdk.org/jeps/1

A dashboard that lists JEPs with "SE" scope may be found via a link on this
page:

    https://openjdk.org/projects/jdk/27/spec/

Thanks,
Iris


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