Structure of digital rights management (drm) system

摘要: A digital rights management (DRM) system operates on a computing device when user requests that protected piece of content be rendered by the computer in particular manner. The DRM has license store, evaluator, and state store. store stores licenses device. evaluator determines whether any stored correspond to requested such corresponding are valid, reviews rules each valid license, determining based reviewed enables requesting render manner sought. maintains information where is created updated as necessary.