RFR: 8371864: GaloisCounterMode.implGCMCrypt0 AVX512/AVX2 intrinsics stubs cause AES-GCM encryption failure for certain payload sizes [v3]

[Jiangli Zhou]

On Tue, 18 Nov 2025 08:57:02 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Jiangli Zhou has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix Whitespace error.
>
> test/jdk/com/sun/crypto/provider/Cipher/AES/TestAesGcmIntrinsic.java line 41:
> 
>> 39: public class TestAesGcmIntrinsic {
>> 40: 
>> 41:   static final SecureRandom SECURE_RANDOM = newDefaultSecureRandom();
> 
> Do you really need a `SecureRandom` here? `Random RANDOM = Utils.getRandomInstance();` gets you the pre-seeded random instance, which can be used to repeatably reproduce failures.

I kept the `SecureRandom` without changing. I think that could be more related to what the original reproducible.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28363#discussion_r2544361801