RFR: 8260274: Cipher.init(int, key) does not use highest priority provider for random bytes

[Anthony Scarpino]

On Mon, 15 Mar 2021 20:39:13 GMT, Valerie Peng <valeriep at 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

>From a performance standpoint, having a single synchronized block on every init() operations is going to slow things down

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PR: https://git.openjdk.java.net/jdk/pull/3018