[jdk11u-dev] Integrated: 8292158: AES-CTR cipher state corruption with AVX-512
Smita Kamath
svkamath at openjdk.org
Thu Oct 13 19:45:43 UTC 2022
On Sat, 8 Oct 2022 06:55:36 GMT, Smita Kamath <svkamath at openjdk.org> wrote:
> Hi,
>
> This is a backport of JDK-8292158: AES-CTR cipher state corruption with AVX-512. This backport fixes a bug where cipher can become corrupted when encrypting/decrypting byte arrays with a size less than 16.
> The fix is in MacroAssembler::aesctr_encrypt method.
>
> Patch does not apply cleanly to 11u as the method has moved from src/hotspot/cpu/x86/macroAssembler_x86_aes.cpp to a new file src/hotspot/cpu/x86/stubGenerator_x86_64_aes.cpp. Also, the included regression test had to be modified.
>
> Could you kindly review the patch?
>
> Thanks,
> Smita
This pull request has now been integrated.
Changeset: 8fadf3d0
Author: Smita Kamath <svkamath at openjdk.org>
Committer: Vladimir Kozlov <kvn at openjdk.org>
URL: https://git.openjdk.org/jdk11u-dev/commit/8fadf3d01034858c5cd798565147804877a46539
Stats: 99 lines in 2 files changed: 98 ins; 0 del; 1 mod
8292158: AES-CTR cipher state corruption with AVX-512
Reviewed-by: sviswanathan, kvn
Backport-of: 9d76ac8a4453bc51d9dca2ad6c60259cfb2c4203
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PR: https://git.openjdk.org/jdk11u-dev/pull/1408
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