8354305: SHAKE128 and SHAKE256 MessageDigest algorithms

[rm-gh-8]

Backporting JDK-8354305: SHAKE128 and SHAKE256 MessageDigest algorithms.

This PR adds SHAKE128-256/SHAKE256-512 as standard MessageDigest algorithms.

For parity with Oracle JDK. Already backported to 21.

This PR will not build successfully. It requires a fix from JDK-8356051, which is a dependent PR(#4581).

---

• I confirm that I make this contribution in accordance with the OpenJDK Interim AI Policy.

---

Progress

• Change must not contain extraneous whitespace
• Change requires CSR request JDK-8386841 to be approved
• Commit message must refer to an issue
• JDK-8354305 needs maintainer approval

Issues

• JDK-8354305: SHAKE128 and SHAKE256 MessageDigest algorithms (Enhancement - P3 - Requested)
• JDK-8386841: SHAKE128 and SHAKE256 MessageDigest algorithms (CSR)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev.git pull/4580/head:pull/4580
$ git checkout pull/4580

Update a local copy of the PR:
$ git checkout pull/4580
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/4580/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 4580

View PR using the GUI difftool:
$ git pr show -t 4580

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/4580.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back rmesde! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

⚠️ @rm-gh-8 This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (60e2963b)

[rm-gh-8]

/approval request for backport of JDK-8354305: SHAKE128 and SHAKE256 MessageDigest algorithms.

This PR adds SHAKE128-256/SHAKE256-512 as standard MessageDigest algorithms.

For parity with Oracle JDK. Already backported to 21.

This PR will not build successfully. It requires a fix from JDK-8356051, which is a dependent PR (#4581).

Low Risk (contingent on the dependent PR) - the changes are additive

[openjdk]

@rm-gh-8
8354305: The approval request has been created successfully.