发明名称 Method and Apparatus for sending right object information between device and portable storage
摘要 <p>A method and apparatus for transmitting rights object information between a device and a portable storage are provided. The method includes transmitting a predetermined request from the device to the portable storage, generating a current permission status format including information of a rights object designated by the request, using the portable storage, and transmitting the current permission status format from the portable storage to the device. According to the method and apparatus, overhead is reduced and information transmission speed is increased when the rights object information is transmitted between the device and the portable storage.</p>
申请公布号 KR101169021(B1) 申请公布日期 2012.07.26
申请号 KR20040039377 申请日期 2004.05.31
申请人 发明人
分类号 G06F17/00;G06F21/00;G06F21/24;H04L9/00;H04L9/32 主分类号 G06F17/00
代理机构 代理人
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