Between CBC being only parallelizable in one direction, bsaes vs vpaes,
and the Lucky 13 fix, seal and open look very different here. Benchmark
both directions.
Change-Id: I9266ab2800adc29dbeee0ca74502addb92409e23
Reviewed-on: https://boringssl-review.googlesource.com/28644
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>