RFR: 8279066: entries.remove(entry) is useless in PKCS12KeyStore [v2]

[Sean Mullan]

On Tue, 21 Dec 2021 21:39:23 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Before password-less PKCS12 keystores are supported, certificates in a PKCS12 file are always encrypted. Therefore if one loads the keystore with a null pass, it contains `PrivateKeyEntry`s without certificates. This has always been awkward (and most likely useless) so when JDK-8076190 introduced the password-less feature I also added a line to remove such an entry. 
>> 
>> https://github.com/openjdk/jdk/blob/a729a70c0119ed071ff490b0dfd4e3e2cb1a5ae4/src/java.base/share/classes/sun/security/pkcs12/PKCS12KeyStore.java#L2272 
>> 
>> Unfortunately, the line is not coded correctly, it should have been `remove(key)` but here it's `remove(value)`.
>> 
>> This code change correctly removes the entry.
>> 
>> That said, this behavior, although weird, has been there from the beginning since PKCS12 keystore was introduced. If you can find out a usage of a private key entry without any certificate and think it's worth kept that way, I can simply remove the `remove` call and leave the entry there.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   just ignore it

Marked as reviewed by mullan (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/6910