On Wed, 14 Jul 2021 21:02:01 GMT, Smita Kamath <[email protected]> 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
992:
> 990: */
> 991: byte[] overlapDetection(byte[] in, int inOfs, byte[] out, int
> outOfs) {
> 992: if (in == out && (!encryption || inOfs < outOfs)) {
So, we will always allocate an output buffer for decryption if in==out? Why
just decryption? Update the javadoc for this method with the reason?
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PR: https://git.openjdk.java.net/jdk/pull/4019
