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But Widevine's least secure security level, L3, as used in most browsers and PCs, is implemented 100% in software (i.e no hardware TEEs), thereby making it reversible and bypassable.
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But Widevine's least secure security level, L3, as used in most browsers and PCs, is implemented 100% in software (i.e no hardware TEEs), thereby making it reversible and bypassable.
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This Chrome extension demonstates how it's possible to bypass Widevine DRM by hijacking calls to the browser's [Encrypted Media Extensions (EME)](https://www.html5rocks.com/en/tutorials/eme/basics) and decrypting all Widevine content keys transferred - effectively turning it into a clearkey DRM.
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This Chrome extension demonstrates how it's possible to bypass Widevine DRM by hijacking calls to the browser's [Encrypted Media Extensions (EME)](https://www.html5rocks.com/en/tutorials/eme/basics) and decrypting all Widevine content keys transferred - effectively turning it into a clearkey DRM.
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## Usage
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## Usage
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To see this concept in action, just load the extension in Developer Mode and browse to any website that plays Widevine-protected content, such as https://bitmovin.com/demos/drm _[Update: link got broken?]_.
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To see this concept in action, just load the extension in Developer Mode and browse to any website that plays Widevine-protected content, such as https://bitmovin.com/demos/drm _[Update: link got broken?]_.
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