RFR: 8255557: Decouple GCM from CipherCore

[Valerie Peng]

On Mon, 17 May 2021 20:24:51 GMT, Valerie Peng <valeriep at openjdk.org> wrote:

>> Hi,
>> 
>> I need a review of this rather large change to GCM.  GCM will no longer use CipherCore, and AESCrypt  to handle it's buffers and other objects.  It is also a major code redesign limits the amount of data copies and make some performance-based decisions.
>> 
>> Thanks
>> 
>> Tony
>
> src/java.base/share/classes/com/sun/crypto/provider/AESCipher.java line 155:
> 
>> 153:             super(32, new AESCrypt());
>> 154:         }
>> 155:     }
> 
> These should be removed since SunJCE registers com.sun.crypto.provider.GaloisCounterMode$AES128/AES192/AES256 instead of these?

In addition, the private boolean field "updateCalled" of this class and its relevant assignments can also be removed.

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PR: https://git.openjdk.java.net/jdk/pull/4072