RFR: 8253821: Improve ByteBuffer performance with GCM [v2]

[Anthony Scarpino]

On Fri, 9 Oct 2020 00:42:57 GMT, Valerie Peng <valeriep at openjdk.org> wrote:

>> Anthony Scarpino has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Xuelei comments
>
> src/java.base/share/classes/com/sun/crypto/provider/GaloisCounterMode.java line 545:
> 
>> 543:                         "Unable to add remaining input to the buffer", e);
>> 544:                 }
>> 545:             }
> 
> Existing usage for ibuffer is only for decryption. If you are storing into ibuffer for encryption, the comment about it
> should be updated. The earlier code in this method should also check ibuffer and if non-empty, apply its content before
> applying src?

I updated the comment.  I had redone this method before your comment.  Take a look at that on the next webrev

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PR: https://git.openjdk.java.net/jdk/pull/411