RFR: 8301700: Increase the default TLS Diffie-Hellman group size from 1024-bit to 2048-bit

Thu Feb 9 21:08:35 UTC 2023

Please review this change to increase the default Diffie-Hellman group size used in the key exchange method of TLS_DHE cipher suites from 1024-bit to 2048-bit. This issue does not affect TLS 1.3.

See the CSR for more details on the rationale for this change and the expected compatibility risk (low).

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

Commit messages:
 - Initial revision.

Changes: https://git.openjdk.org/jdk/pull/12502/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12502&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8301700
  Stats: 30 lines in 2 files changed: 1 ins; 10 del; 19 mod
  Patch: https://git.openjdk.org/jdk/pull/12502.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12502/head:pull/12502

PR: https://git.openjdk.org/jdk/pull/12502