On Thu, 6 Oct 2022 18:33:51 GMT, Xue-Lei Andrew Fan <xue...@openjdk.org> wrote:
>> It seems to me the scalar multiplication enhancement should be done first, >> or maybe integrated with this fix. >> Do you have a bug number for the scalar multiplication enhancement? > >> It seems to me the scalar multiplication enhancement should be done first, >> or maybe integrated with this fix. Do you have a bug number for the scalar >> multiplication enhancement? > > I did not file the scalar multiplication enhancement in JBS yet. There are a > few places that could be improved for the EC performance. However, the > update is big if having them all in one PR. In order to simplify the code > review and implementation, I would like to break it down into small > enhancements. I filed an [umbrella > RFE](https://bugs.openjdk.org/browse/JDK-8294188) for the performance > improvement in EC. The goal to make the common EC crypto operations (key > generation/exchange/signature) 3+ times faster, and make the TLS connections > 20%+ faster . > > I may have to wait for a few more weeks so that I can come up with the scalar > multiplication pull request. @XueleiFan tests are failing after the last commit; see `sun/security/ec/TestEC.java` for example. @ferakocz biginteger math is not constant-time, which is why it can't be used here. ------------- PR: https://git.openjdk.org/jdk/pull/10544