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Digital Media Rights Management
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DRM
Digital Rights Management (DRM) refers to technologies that control the use of digital content and devices after sale.
FairPlay
Apple's implementation of DRM technology used to control access to digital content distributed through its platforms.
PlayReady
A DRM technology from Microsoft for the protection and distribution of digital media content.
Widevine
A DRM platform developed by Google for the purpose of content protection across devices and platforms.
Content Decryption Module (CDM)
A software component that provides DRM decryption capabilities within a web browser for playing protected content.
Advanced Access Content System (AACS)
A DRM standard for controlling access to digital HD content, particularly Blu-ray discs.
Protected Streaming
A type of streaming that includes integral DRM controls to prevent unauthorized access and copying.
License Server
A server that issues licenses for DRM-protected content, allowing authorized users to access that content.
Digital Watermarking
A technique of embedding information into digital media to track and enforce usage rights.
Conditional Access System (CAS)
A system used to protect content on broadcast or multicast systems by ensuring only authorized users can access the content.
Copy Protection
Techniques and technologies utilized to prevent the unauthorized copying of digital media.
Copy Control Information (CCI)
Metadata used in DRM systems to dictate how content can be copied or distributed.
XrML (eXtensible rights Markup Language)
A markup language used for specifying rights and conditions associated with the use and distribution of digital content.
Secure Digital Music Initiative (SDMI)
A discontinued multi-platform system intended to develop solutions to protect digital music from being pirated.
Analog Hole
A vulnerability in DRM systems where protected digital content can be converted to unprotected analog form.
Region Coding
A DRM system that enforces the geographical regions where digital content can be played or accessed.
Root License
The master license that governs the rules for distributing and using digital content in a DRM system.
Renewable Security
A feature of some DRM systems that allows for updating security components to respond to new threats or vulnerabilities.
Encryption
A core method used in DRM to protect digital content by converting it into a secure, encoded format that requires a key to access.
Marlin
An open standards-based DRM technology framework designed for a wide range of devices and services.
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