RFR: 8343232: PKCS#12 KeyStore support for RFC 9879: Use of Password-Based Message Authentication Code 1 (PBMAC1) [v7]

[Weijun Wang]

On Mon, 22 Sep 2025 18:42:57 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:
> 
>   default salt length and one other comment from Weijun

src/java.base/share/classes/sun/security/pkcs12/PKCS12KeyStore.java line 1964:

> 1962:                     ((PBEParameterSpec)params).getIterationCount(),
> 1963:                     kdfHmac.equals("HmacSHA512") ? 64*8 : 32*8));
> 1964:             Mac m = Mac.getInstance(kdfHmac);

`kdfHmac` is used as `prfHmac` here. If you intend to only support them being the same, please error out as early as possible when parsing PBMAC1-params. You might be able to support them at loading but still lack enough info at storing.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24429#discussion_r2370318901