RFR: 8320597: RSA signature verification fails on signed data that does not encode params correctly [v2]

[Valerie Peng]

On Thu, 7 Dec 2023 14:47:18 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Add a fallback if an RSA signature was generated without the NULL params in its encoded hash.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   change method to package private

test/jdk/sun/security/rsa/WithoutNULL.java line 27:

> 25:  * @test
> 26:  * @bug 8320597
> 27:  * @summary RSA signature verification fails on signed data that does not encode params correctly

The summary seems to contradict the check on line 52? Maybe: Verify RSA signature with omitted digest params (should be encoded as NULL) for backward compatibility?
Rest looks good.

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PR Review Comment: https://git.openjdk.org/jdk/pull/17002#discussion_r1419490574