On Wed, 12 Jul 2023 23:12:18 GMT, Valerie Peng <valer...@openjdk.org> wrote:

>> This change refactors the RSAPadding class to return an output record 
>> containing the status instead of relying on exception object to indicate a 
>> failure.
>> 
>> Thanks in advance for review~
>> Valerie
>
> Valerie Peng has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Address review feedbacks, e.g. Removed RSAPadding.Output and use byte[] as 
> before.

src/java.base/share/classes/sun/security/rsa/RSASignature.java line 223:

> 221:             byte[] decrypted = RSACore.rsa(sigBytes, publicKey);
> 222: 
> 223:             boolean status = MessageDigest.isEqual(padded, decrypted);

You should compare only the relevant parts (mask out the random padding bytes).

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PR Review Comment: https://git.openjdk.org/jdk/pull/14839#discussion_r1262427325

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