On Fri, 6 Aug 2021 20:37:22 GMT, Anthony Scarpino <ascarp...@openjdk.org> wrote:
>> src/java.base/share/classes/com/sun/crypto/provider/GaloisCounterMode.java >> line 1120: >> >>> 1118: inOfs += r; >>> 1119: inLen -= r; >>> 1120: } >> >> Have you considered move the "if (inLen >= PARALLEL_LEN) block" into >> EncryptOp.update() impl (just like the Encrypt.doFinal() impl) ? Even though >> not all op.update() calls process large data, but it'd reduce code >> duplication and ensures that all large data processed by EncryptOp.update() >> calls would call the intrinsified method. > > There are cases where inLen is known to be smaller than PARALLEL_LEN and is a > waste of a check, such as merging with the ibuffer to create one block. Also > moving it into EncryptOp would always mean an additional check and maybe an > unnecessary jump to another method. > > I did that for doFinal, because gctr/ghash.doFinal() needs to was no extra > checks. Alright, as long as you did consider that. ------------- PR: https://git.openjdk.java.net/jdk/pull/4019