AWS (Amazon Web Services) - a set of services delivered with the Amazon Computing Cloud
CENC (Common Encryption Scheme) - a standard that allows for using the same encrypted content with different DRM systems. Google Widevine and Microsoft PlayReady are CENC compliant.
ContentKey - a secret cryptographic key that is used for content encryption
DRM (Digital Rights Management) - a set of technologies used for restricting access to copyrighted works, such as video content or software
KeyId (Key Identifier) - a public identifier of the encrypted content. KeyId is used by the license server for identifying which content key should be put into the license.
KMS (Key management server) - a service that delivers keys to the origin that handles the video content encryption
License - a message containing an encrypted content key that allows for decryption and playback of a specified encrypted material on a particular player instance (device). Only the playback of the decrypted material is possible - the license does not allow for saving or copying the content (unless a specific configuration is applied). Cloud DRM supports the following DRM systems:
Microsoft PlayReady DRM
Google Widevine DRM
Apple HLS
License Acquisition Request - a HTTP request to the license server. It is executed by a player when the content playback starts and there is no valid license for the content.
License Acquisition URL (LA_URL) - a URL of the HTTP endpoint (exposed by the license server) that allows players to perform license acqusition
License Profile - a set of configurations that describes the type of a DRM license. The profile defines properties such as: license duration, minimum security level, persistency, etc.
License Server - a service that exposes the endpoint that allows players to perform a license acquisition