RFR: 8343232: PKCS#12 KeyStore support for RFC 9879: Use of Password-Based Message Authentication Code 1 (PBMAC1) [v3]

[Thomas Fitzsimmons]

On Tue, 16 Sep 2025 23:03:00 GMT, Mark Powers <mpowers at openjdk.org> wrote:

>> [JDK-8343232](https://bugs.openjdk.org/browse/JDK-8343232)
>
> Mark Powers has updated the pull request incrementally with one additional commit since the last revision:
> 
>   a few more comments

src/java.base/share/classes/com/sun/crypto/provider/PBMAC1Parameters.java line 173:

> 171:         if (keyLength > 0) {
> 172:             pBKDF2_params.putInteger(keyLength / 8); // derived key length (in octets)
> 173:         }

I think `keyLength` is a MUST here.  Maybe this should instead check if `keyLength` is `<= 0`, and if so, throw an exception.  Then proceed to encode `keyLength` unconditionally.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24429#discussion_r2356839298