发明名称 Method and system for subscription digital rights management
摘要 A system and method (10) for managing use of items having usage rights associated therewith. The system includes an activation device (20) adapted to issue a software package having a public and private key pair, the public key being associated with a user, a license device (50) adapted to issue a license (52), a usage device adapted to receive the software package, receive the license and allow the user to access the item in accordance with the license, and a subscription managing device adapted to maintain a subscription list including the public key associated with the user. Licenses is issued by the license device (50) upon verifying presence of the public key in the subscription list corresponding to requested content.
申请公布号 HK1056027(A1) 申请公布日期 2006.10.27
申请号 HK20030108218 申请日期 2003.11.12
申请人 CONTENTGUARD HOLDINGS, INC. 发明人 GUILLERMO LAO
分类号 G06F;G06Q50/00;G06F21/00;G06F21/10;G06F21/20;G06Q30/00;H04L29/06;H04L29/08 主分类号 G06F
代理机构 代理人
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