RFR: 8244336: Restrict algorithms at JCE layer [v2]

[Valerie Peng]

On Wed, 6 Aug 2025 03:04:27 GMT, Valerie Peng <valeriep at openjdk.org> wrote:

>> src/java.base/share/conf/security/java.security line 801:
>> 
>>> 799: # its algorithm is the transformation string.
>>> 800: #
>>> 801: # Note: Entries with unsupported services will be ignored
>> 
>> Suggest: Services with unrecognized or unsupported algorithms will be ignored.
>
> Per the discussion regarding the throwing `IllegalArgumentException` for invalid entries, I will change this to 
> 
> # Note: IllegalArgumentException will be thrown if the property value contains
> # entries with invalid syntax or unsupported services.

Hmm, after adding the regression test, I updated the wording further to:

# Note: If the property value contains entries with invalid syntax or
# unsupported services at the time of checking, an ExceptionInInitializerError
# with a cause of IllegalArgumentException will be thrown.

as this matches better with what the caller observes.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26377#discussion_r2261276455