RFR: 8315944: SunJCE provider should not zeroize the deserialized key values

[Weijun Wang]

On Wed, 20 Sep 2023 21:56:50 GMT, Valerie Peng <valeriep at openjdk.org> wrote:

> This PR reverts part of the changes under JDK-8312306 which zero-out the deserialized key bytes after an internal copy has been made. If considering the deserialized key bytes as input arguments, such cleaning action may be too aggressive. Thus, on second thought, I am reverting to earlier behavior. No regression test since the changes are trivial.
> 
> Thanks!
> Valerie

Marked as reviewed by weijun (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15848#pullrequestreview-1637998897