RFR: 8002277: Refactor two PBE classes to simplify maintenance [v2]

[Valerie Peng]

On Mon, 9 May 2022 14:00:58 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Valerie Peng has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   update copyright year for PBES2Core.java
>
> src/java.base/share/classes/com/sun/crypto/provider/PBES2Core.java line 229:
> 
>> 227:                 if (key instanceof javax.crypto.interfaces.PBEKey pbeKey) {
>> 228:                     salt = check(pbeKey.getSalt()); // may be null
>> 229:                     iCount = check(pbeKey.getIterationCount()); // may be 0
> 
> It seems the return value is never 0.

Oh, the comment about "may be 0" is meant toward the pbeKey.getInterationCount() call... Hmm, I will make it clearer.

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PR: https://git.openjdk.java.net/jdk/pull/8521