RFR: 8320192: SHAKE256 does not work correctly if n >= 137 [v3]

[Weijun Wang]

> When blocksize is less than digest output length, call `keccak` more.

Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:

  add comment for squeezeOffset

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Changes:
  - all: https://git.openjdk.org/jdk/pull/16698/files
  - new: https://git.openjdk.org/jdk/pull/16698/files/1a27c6a6..4133fdc1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16698&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16698&range=01-02

  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/16698.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16698/head:pull/16698

PR: https://git.openjdk.org/jdk/pull/16698