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Diffstat (limited to 'static/features.html')
| -rw-r--r-- | static/features.html | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/static/features.html b/static/features.html index 58a4ef04..7e54eafd 100644 --- a/static/features.html +++ b/static/features.html @@ -85,7 +85,12 @@ <h2><a href="#table-of-contents">Table of contents</a></h2> <ul> - <li><a href="#grapheneos">GrapheneOS</a></li> + <li> + <a href="#grapheneos">GrapheneOS</a> + <ul> + <li><a href="#private-screenshots">Private screenshots</a></li> + </ul> + </li> <li><a href="#services">Services</a></li> <li><a href="#project">Project</a></li> </ul> @@ -316,11 +321,28 @@ compatible with an OS not including any carrier bloatware apps and disabling various misfeatures such as disallowed tethering, disallowed 2G toggle, etc.</li> - <li>Screenshot EXIF metadata is reduced by not including information on the OS - and OS version so that it's only clear it's an OS including this feature. The - inclusion of timestamps is also disabled by default with an opt-in toggle for - the user to enable it.</li> </ul> + + <section id="private-screenshots"> + <h3><a href="#private-screenshots">Private screenshots</a></h3> + + <p>GrapheneOS disables the inclusion of sensitive metadata in screenshots.</p> + + <p>On Android, each screenshot includes an EXIF Software tag with detailed OS + build/version information (<code>android.os.Build.DISPLAY</code>). It's the + same value shown at Settings ➔ About device ➔ Build number. This leaks the OS, + OS version and also usually the device family/model since builds are usually + specific to a family of devices. GrapheneOS completely disables this tag.</p> + + <p>On Android, each screenshot also includes EXIF tags with the local date, + time and timezone offset. GrapheneOS disables this by default in order to + avoid leaking the time and quasi-location information through metadata that + isn't visible to the user. The date and time are already included in the file + name of the screenshot which is fully visible to the user and can be easily + modified by them without a third party tool. GrapheneOS includes a toggle for + turning this metadata back on in Settings ➔ Privacy since some users may find + it to be useful.</p> + </section> </section> <section id="services"> |