On Sat, 24 Aug 2024 19:30:03 GMT, Weijun Wang <wei...@openjdk.org> wrote:
>> In preparation for the new PQC algorithms implementations, internal XOF
>> (eXtendable Output Function) methods are added to the SHAKE128 and SHAKE256
>> implementations.
>
> src/java.base/share/classes/sun/security/provider/SHA3.java line 171:
>
>> 169: int availableBytes = blockSize - squeezeOffset;
>> 170:
>> 171: if (availableBytes == 0) {
>
> Is this check really necessary? It looks like in the `while (numBytes >
> availableBytes)` loop below no byte will be copied in the 1st round and
> `keccak` will be called anyway.
Yes, you are right. I delete the check.
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PR Review Comment: https://git.openjdk.org/jdk/pull/20631#discussion_r1731331822
