RFR: 8346285: Update jarsigner compatibility test for change in default digest algorithm

[Weijun Wang]

On Mon, 16 Dec 2024 14:57:36 GMT, Matthew Donovan <mdonovan at openjdk.org> wrote:

> In this small PR, I updated the jarsigner compatibility test to handle the difference in default digest algorithms between JDK versions. The previous default was SHA-256 but has been updated to SHA-384.

test/jdk/sun/security/tools/jarsigner/compatibility/Compatibility.java line 1442:

> 1440: 
> 1441:         String expectedTsaDigestAlg() {
> 1442:             return tsaDigestAlgorithm != null ? tsaDigestAlgorithm : "SHA-256";

You can actually get it from `jdk.security.jarsigner.JarSigner.Builder.getDefaultDigestAlgorithm()`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22765#discussion_r1886978460