RFR: 8349583: Add mechanism to disable signature schemes based on their TLS scope [v19]

[Sean Mullan]

On Mon, 24 Mar 2025 17:24:01 GMT, Artur Barashev <abarashev at openjdk.org> wrote:

>> Currently when a signature scheme constraint is specified with "jdk.tls.disabledAlgorithms" property we don't differentiate between signatures used to sign a TLS handshake exchange and the signatures used in TLS certificates:
>> https://datatracker.ietf.org/doc/html/rfc8446#section-4.2.3
>
> Artur Barashev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix java.security syntax. Remove whitespace.

test/jdk/sun/security/ssl/SignatureScheme/AbstractCheckSignatureSchemes.java line 127:

> 125:      *                      a well-formed TLS message.
> 126:      */
> 127:     protected ByteBuffer extractHandshakeMsg(ByteBuffer tlsRecord,

This seems like quite a useful method! How about adding it to the superclass `SSLEngineTemplate` so that we might use it for other tests in the future.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23681#discussion_r2017417135