WidevineOEMCrypto

*Decrypttheentitlement(EMM)key,alsoknownastheassetkey,.*usingtheencrypteddevicekey(DeviceKeyfield)intheWidevineKeybox.*.,2023年11月17日—深入理解DRM(1)--了解Widevine与OEMCrypto，在上面的方案中，解密操作在OEMCryptoAPI中实现，而另一种方案是把解密操作留给decoders去实现。,2021年8月15日—DeviceKey—128bitAESkeyassignedbyWidevineandusedtosecureentitlements.Keybox—Widevinestructurecontainingkeysandother...

參考資訊如下
securitytf_sdkincludeOEMCrypto.h

* Decrypt the entitlement (EMM) key, also known as the asset key,. * using the encrypted device key (Device Key field) in the Widevine Keybox. *.

深入理解DRM (1) -

2023年11月17日 — 深入理解DRM (1) --了解Widevine与OEMCrypto，在上面的方案中，解密操作在OEMCryptoAPI中实现，而另一种方案是把解密操作留给decoders去实现。

深入理解DRM（二）——了解Widevine与OEMCrypto 原创

2021年8月15日 — Device Key — 128bit AES key assigned by Widevine and used to secure entitlements. Keybox — Widevine structure containing keys and other ...

What is Widevine CDM (Content Decryption Module)?

Widevine is a Content Decryption Module (CDM) that provides a DRM that is used by streaming services like Netflix to deliver secure media streaming.

Widevine

2021年10月6日 — The diagram above illustrates the available Widevine components within the DRM ecosystem. The Provisioning, Keybox and OEMCrypto components are ...

Widevine DRM

Widevine DRM is a widely used DRM licensing and encryption technology owned and maintained by Google. It protects your videos from being downloaded ...

Widevine

Widevine is a proprietary digital rights management (DRM) system developed by Google. It provides content protection for media. Widevine is divided into ...

OEMCrypto.h

... Widevine keybox. This function should decrypt the keybox * and return the specified bytes. * * Parameters: * buffer (out) - Points to the buffer that should ...

Google Widevine DRM

OEMCrypto Module receives the data from CDM. The OEMCrypto module then receives the data from CDM and the actual decryption happens. 8. Video player receives ...

Widevine DRM Architecture Overview

由 DRM Widevine 著作 · 被引用 3 次 — The OEMCrypto Module decrypts the content using information passed to it from the Player. (and the License Server). The OEMCrypto Module is in the Trusted Layer ...