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

[Valerie Peng]

On Thu, 8 Oct 2020 06:51:08 GMT, Anthony Scarpino <ascarpino at openjdk.org> wrote:

>> 8253821: Improve ByteBuffer performance with GCM
>
> 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?

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