RFR: 8258915: Temporary buffer cleanup [v2]

[Valerie Peng]

On Thu, 21 Jan 2021 16:23:21 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Clean up temporary byte array, char array, and keyspec around keys and passwords.
>> 
>> No new regression test.
>
> Weijun Wang has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:
> 
>  - rsa
>  - Merge
>  - 8258915: More temporary buffer cleanup
>    
>    8258915: More temporary buffer cleanup

src/java.base/share/classes/com/sun/crypto/provider/PBKDF2Core.java line 163:

> 161:                     }
> 162:                     Arrays.fill(encoding, (byte)0);
> 163:                     spec.clearPassword();

nit: move to inside the if-check block above?

src/java.base/share/classes/com/sun/crypto/provider/PBKDF2HmacSHA1Factory.java line 163:

> 161:                     }
> 162:                     Arrays.fill(encoding, (byte)0);
> 163:                     spec.clearPassword();

same nit: move to inside of the if-check block.

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PR: https://git.openjdk.java.net/jdk/pull/2070