On Wed, 14 Jul 2021 21:02:01 GMT, Smita Kamath <svkam...@openjdk.org> wrote:

>> I would like to submit AES-GCM optimization for x86_64 architectures 
>> supporting AVX3+VAES (Evex encoded AES). This optimization interleaves AES 
>> and GHASH operations.
>> Performance gain of ~1.5x - 2x for message sizes 8k and above.
>
> Smita Kamath has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Updated AES-GCM intrinsic to match latest Java Code

src/java.base/share/classes/com/sun/crypto/provider/GaloisCounterMode.java line 
611:

> 609:                         outOfs + len);
> 610:                 ghash.update(ct, ctOfs, segments);
> 611:                 ctOfs = len;

This does not look right when the initial value of ctOfs != 0.

-------------

PR: https://git.openjdk.java.net/jdk/pull/4019

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