On Mon, 15 Mar 2021 20:39:13 GMT, Valerie Peng <valer...@openjdk.org> wrote:
> Can someone help review this somewhat trivial change?
>
> Updated JCAUtil class to return the cached SecureRandom object only when the
> provider configuration has not changed.
> Added a regression test to check the affected classes, i.e.
> AlgorithmParameterGenerator, KeyPairGenerator, Cipher, KeyAgreement,
> KeyGenerator.
>
> Thanks,
> Valerie
src/java.base/share/classes/sun/security/jca/JCAUtil.java line 62:
> 60: private static SecureRandom instance = new SecureRandom();
> 61: public static SecureRandom instance(boolean checkConfig) {
> 62: synchronized (CachedSecureRandomHolder.class) {
Is there a performance regression because of this synchronization?
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PR: https://git.openjdk.java.net/jdk/pull/3018
