Invention Grant
US08863303B2 Trust based digital rights management systems 有权
基于信任的数字版权管理系统

Trust based digital rights management systems
Abstract:
A system and method for allowing access to digitally protected content are disclosed. License metadata and credentials from multiple types of digital rights management systems may be used to grant access to content protected by a different type of digital rights management system. Hierarchical levels of access to the content may be granted based on at least one of license metadata and credentials.
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