LayoutTests/http/tests/misc/webtiming-resolution.html - Issue 1214063008: Reduce resolution of performance.now to prevent timing attacks

Side by Side Diff

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Keyboard Shortcuts

	File
u :	up to issue
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
i :	toggle intra-line diffs
e :	expand all comments
c :	collapse all comments
s :	toggle showing all comments
n / p :	next / previous diff chunk or comment
N / P :	next / previous comment
<Up> / <Down> :	next / previous line

	Issue
u :	up to list of issues
j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
j / k :	jump to issue after / before current issue
o / <Enter> :	open current issue

Side by Side Diff: LayoutTests/http/tests/misc/webtiming-resolution.html

Issue 1214063008: Reduce resolution of performance.now to prevent timing attacks (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 5 years, 5 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch

OLD	NEW
(Empty)
	1 <html>

	2 <head>

	3 <script src="/js-test-resources/js-test.js"></script>

	4 </head>

	5 <body>

	6 <p id="description"></p>

	7 <div id="console"></div>

	8 <script>

	9 description("Verifies the minimum resolution is 5 microseconds.");

	10

	11 var t0 = performance.now();

	12 var t1 = performance.now();

	13 while (t0 == t1) {

	14 t1 = performance.now();

	15 }

	16

	17 var expectedResolutionMilliseconds = 0.005;

	18 var integerMultipleOfResolution = (t1 - t0) / expectedResolutionMilliseconds;

	19 var shouldBeNearZeroOrOne = integerMultipleOfResolution % 1;

	20 shouldBe("shouldBeNearZeroOrOne < 1e-10 \|\| Math.abs(shouldBeNearZeroOrOne - 1) < 1e-10", "true");

	21

	22 </script>

	23 </body>

	24 </html>

OLD	NEW

« no previous file with comments | « no previous file | LayoutTests/http/tests/misc/webtiming-resolution-expected.txt » ('j') | no next file with comments »