RFR: 8298127: HSS/LMS Signature Verification [v9]

[Weijun Wang]

On Wed, 10 May 2023 15:20:50 GMT, Ferenc Rakoczi <duke at openjdk.org> wrote:

>> Implement support for Leighton-Micali Signatures (LMS) as described in RFC 8554. LMS is an approved software signing algorithm for CNSA 2.0, with SHA-256/192 parameters recommended.
>
> Ferenc Rakoczi has updated the pull request incrementally with one additional commit since the last revision:
> 
>   serialization fixes, more code shaping

src/java.base/share/classes/sun/security/provider/HSS.java line 571:

> 569:                 preCandidate[21] = (byte) 0x80;
> 570: 
> 571:                 byte[] preZi = hashBuf.clone();

We can just call `hashbufSha256_32.clone()` here.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13691#discussion_r1190437259