It would not to generate the certificate's ECParameterSpec and NamedGroup multiple times in method `SignatureScheme::getSignerOfPreferableAlgorithm`.
------------- Commit messages: - 8284926: Share the certificate NamedGroup in SignatureScheme::getSignerOfPreferableAlgorithm Changes: https://git.openjdk.java.net/jdk/pull/8271/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8271&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8284926 Stats: 19 lines in 1 file changed: 5 ins; 8 del; 6 mod Patch: https://git.openjdk.java.net/jdk/pull/8271.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/8271/head:pull/8271 PR: https://git.openjdk.java.net/jdk/pull/8271
