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Chrome/Firefox extension for pen-testing to retrieve encryption keys of Widevine protected content ! PLEASE DECRYPT CONTENT IF YOU DON'T HAVE THE RIGHT TO DO IT!

WVGuesserExtension-NextGen
For more details, see docs
Installation

Download or clone this code

At the same directory of manifest.json(root directory of this extension), put the one of the following Android L3 CDM key pair file(s).

Don't know how to get these files? See How to dump CDM key pair for more informations.

Supported CDM Key Pair Formats

device.wvd

device_client_id_blob + device_private_key

client_id.bin + private_key.pem

remote.json (How to use Remote CDM)

Install extension

Firefox (Permanent method)

1. Navigate to about:debugging#/runtime/this-firefox

2. Load temporary addon

Chrome

1. Navigate to chrome://extensions/

2. Load unpacked

Kiwi Browser(Android)

1. Navigate to ︙ --> Extensions

2. +(from .zip/.crx/.user.js)