tree 81d2f8dcf9432faa1f3f20fdcd62d9ae95e716bd
parent ef4462a8c3ce7e46829a17b601db61c92e578fb3
author Arnaud Mandy <arnaud.mandy@intel.com> 1699515416 -0800
committer Blink WPT Bot <blink-w3c-test-autoroller@chromium.org> 1699516633 -0800

compute pressure: Implement rate obfuscation mitigation

Rate obfuscation mitigation is used to prevent cross-site
covert channel attacks.

The principle of the mitigation is explained in [1].
This patch is the implementation of the algorithm described in [2] and
[3].

[1] https://w3c.github.io/compute-pressure/#rate-obfuscation
[2] https://w3c.github.io/compute-pressure/#dfn-reset-observation-window
[3] https://w3c.github.io/compute-pressure/#data-delivery

Bug: 1499278
Change-Id: Icd178ee521e0d2c3c5b3332a12e79d587f6f1783
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4835900
Reviewed-by: Raphael Kubo Da Costa <raphael.kubo.da.costa@intel.com>
Reviewed-by: Fr <beaufort.francois@gmail.com>
Commit-Queue: Arnaud Mandy <arnaud.mandy@intel.com>
Cr-Commit-Position: refs/heads/main@{#1222117}