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41 hardware-backed protection to secure movie content and user credentials.
45 The content protection provided by the Widevine DRM plugin depends on the security and content protection capabilities of the underlying hardware platform. The hardware capabilities of the device include hardware secure boot to establish a chain of trust of security and protection of cryptographic keys. Content protection capabilities of the device include protection of decrypted frames in the device and content output protection via a trusted output protection mechanism. Not all hardware platforms support all the above security and content protection features. Security is never implemented in a single place in the stack, but instead relies on the integration of hardware, software, and services. The combination of hardware security functions, a trusted boot mechanism, and an isolated secure OS for handling security functions is critical to provide a secure device.</p>
55 secure enforcement of content protection.
64 Built on top of the Android DRM framework, the Widevine DRM plugin offers DRM and advanced copy protection features on Android devices. Widevine DRM is available in binary form under a royalty free license from Widevine. The Widevine DRM plugin provides the capability to license, securely distribute, and protect playback of multimedia content. Protected content is secured using an encryption scheme based on the open AES (Advanced Encryption Standard). An application can decrypt the content only if it obtains a license from the Widevine DRM licensing server for the current user. Widevine DRM functions on Android in the same way as it does on other platforms. Figure 1 shows how the WideVine Crypto Plugin fits into the Android stack:</p>
79 We recommend you engage early in your device development process with the Widevine team to provide the highest level of content protection on the device.
