RFR: 8286423: Destroy password protection in the example code in KeyStore

[Weijun Wang]

On Tue, 10 May 2022 04:13:43 GMT, Xue-Lei Andrew Fan <xuelei at openjdk.org> wrote:

> Hi,
> 
> May I have this simple example update in the KeyStore specification?
> 
> Password protection should be destroyed in the example code in KeyStore specification. Otherwise, applications may just copy and past the code, and forget to clean up password protection.
> 
> It's a trivial update, and may not worthy of a CSR.  But please let me know if you would like to have a CSR filed.
> 
> Thanks,
> Xuelei

src/java.base/share/classes/java/security/KeyStore.java line 165:

> 163:  *        }
> 164:  *    } finally {
> 165:  *        protParam.destroy();

`KeyStore.ProtectionParameter` does not have a `destroy` method. Only `PasswordProtection` does.

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PR: https://git.openjdk.java.net/jdk/pull/8623