发明申请
US20050273629A1 System, method and computer program product for providing digital rights management of protected content 审中-公开
用于提供受保护内容的数字版权管理的系统,方法和计算机程序产品

System, method and computer program product for providing digital rights management of protected content
摘要:
A system for providing digial rights management of protected content includes a client and a DRM manager. The client is capable of receiving at least one piece of content, the piece(s) of content being encrypted with at least one encryption key regardless of client user(s) authorized to access the piece(s) of encrypted content. To facilitate the client accessing one or more of the piece(s) of content, the DRM manager is capable of transferring the encryption key(s) to the client, the encryption key(s) being encrypted with a private key of a public key/private key pair unique to a client user associated with the client. The client can thereafter decrypt the encryption key(s) using the public key of the public key/private key pair unique to the client user. Then, the client can decrypt the piece(s) of content using the decrypted encryption key(s), and access the decrypted piece(s) of content.
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