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项目作者： Sayrus

项目描述 ：
Protect yourself from AudioContext Fingerprinting by noise to analyzer data
高级语言： JavaScript
项目地址: git://github.com/Sayrus/audiocontext-scrambler.git
创建时间： 2020-02-08T21:26:23Z
项目社区：https://github.com/Sayrus/audiocontext-scrambler
开源协议：GNU General Public License v3.0
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AudioContext Scrambler

Protects you against AudioContext fingerprinting by adding random noise.

What is AudioContext Fingerprinting

Installation

From the store

As any addons, navigate to its store page
and click Install.

From releases

  1. Download the XPI file from Github Releases
  2. Navigate to about:addons
  3. Install Add-on from file
  4. Select the XPI file

Build it myself

Use make release to create the same XPI file as releases

Difference with the existing AudioContext Fingerprint Defender

While the prupose is the same, this extension fixes several problems I had with
AFD :

  • AFD inject code in the page as a script element
  • AFD then inject code in iframes if the document doesn’t contain the attribute
    data-acxscriptallow

This extension uses exportFunction. This means that the DOM is not modified.
Unlike AFD, this extension cannot be blocked by setting CSP to unsafe-inline
or presetting data-acxscriptallow and using iframes.

Finally, this extension has a Github repository so that everyone can participate
and improve it.

Support

This extension currently only support Firefox and Firefox for Android.

What’s next?

  • Support Chromium (Requires injecting JavaScript into the page instead of using
    exportFunction.)
  • Configurable noise amplitude
  • Use the allowlist to create a RequestFilter that filters out allowed pages

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