RFR: 8357466: Create test for Ciphers that are using ByteBuffers backed by MemorySegments [v5]

[Matthew Donovan]

On Wed, 17 Sep 2025 12:46:17 GMT, Matthew Donovan <mdonovan at openjdk.org> wrote:

>> This PR extends security tests to use ByteBuffers backed by MemorySegments. Tests in the areas of Signature, Cipher, MessageDigest, and Mac are updated.
>
> Matthew Donovan has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains seven commits:
> 
>  - Merge branch 'master' into cipher-ffm
>  - updated additional Cipher tests for MemorySegment-backed ByteBuffers
>  - Merge branch 'master' into cipher-ffm
>  - added null-check for arena argument
>  - addressed PR comments and refactored to use try-with-resources
>  - Merge branch 'master' into cipher-ffm
>  - 8357466: Create test for Ciphers that are using ByteBuffers backed by MemorySegments

I still need a review for this PR. Thanks!

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PR Comment: https://git.openjdk.org/jdk/pull/26967#issuecomment-3710706958