RFR: 8298127: HSS/LMS Signature Verification [v8]

[Weijun Wang]

On Tue, 9 May 2023 12:45:27 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:
> 
>   agreeing with the newest review comments

src/java.base/share/classes/sun/security/provider/HSS.java line 101:

> 99:     }
> 100: 
> 101:     static class LMSPublicKey implements Serializable {

Add a `writeReplace` method. Look at other `PublicKey` implementations for an example.

src/java.base/share/classes/sun/security/provider/HSS.java line 540:

> 538:                 throw new ProviderException("Digest implementation not found", e);
> 539:             }
> 540:             byte[] result = new byte[md.getDigestLength()];

No need to allocate an array here.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13691#discussion_r1188643495
PR Review Comment: https://git.openjdk.org/jdk/pull/13691#discussion_r1188630397