Invention Grant
US08832467B2 Digital rights management metafile, management protocol and applications thereof 有权
数字版权管理元文件,管理协议及其应用

Digital rights management metafile, management protocol and applications thereof
Abstract:
Methods, systems and computer program products to create and manage encapsulated Digital Rights Management (DRM) metafiles, also referred to as objects, are provided herein. Each object comprises a file header section, an encrypted webpage metadata section, an encrypted preferences section, an encrypted tracking section, an encrypted license section, a media file section and an encrypted file trailer section. Each section comprises multiple attributes. A metabase is provided herein to catalog objects, sections and attributes. Instructions are provided herein to allow for setting a current object, section or attribute; retrieving an object, section or attribute; and enumerating objects, sections and attributes in a device memory.
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