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WidevineProxy2: Browser Extension for EME Challenge & License Modification
An extension-based proxy for Widevine EME challenges and license messages. Modifies the challenge before it reaches the web player. Bypasses Hashes, one-time-tokens and license wrapping.
JavaScript
Added on 2025年6月5日387
Stars75
ForksJavaScript
LanguageProject Introduction
Summary
WidevineProxy2 is a browser extension designed to intercept and manipulate Widevine EME (Encrypted Media Extensions) challenge and license messages, providing a flexible tool for developers and researchers.
Problem Solved
Addresses the complexities and restrictions in debugging or modifying Widevine EME messages within a web browser environment, particularly when facing security layers like message hashing and token validation.
Core Features
Extension-based Proxy
Acts as a proxy within the browser to intercept messages.
Challenge Modification
Allows alteration of the EME challenge message before the web player processes it.
Bypasses Hashes
Circumvents common security measures like request hashing.
Bypasses One-Time Tokens
Neutralizes mechanisms using one-time tokens for validation.
Bypasses License Wrapping
Removes or alters license wrapping applied by servers.
Tech Stack
JavaScript
Web Extensions API (Manifest V2/V3)
Use Cases
The extension can be applied in various scenarios related to understanding, debugging, or modifying Widevine EME communication.
Debugging EME Implementations
Details
Intercept and view the raw EME challenge and license messages being sent between the browser and the license server.
User Value
Gain crucial insights into the EME handshake process to identify and fix issues in web player or server implementations.
Analyzing Message Structures
Details
Modify specific parameters within the EME challenge or license message to test how the web player or server responds.
User Value
Understand the impact of different data fields or parameters on the EME flow.
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