发明名称 Method and apparatus for verifying the integrity of a media key block
摘要 The present invention includes a method, system and apparatus for storing, distributing, and protecting content from unauthorized access. The media includes a writeable area, a read only area and the content stored on the writeable area. A first media validation data containing an encrypted preselected value is stored on the read only area.
申请公布号 US2002087871(A1) 申请公布日期 2002.07.04
申请号 US20000750642 申请日期 2000.12.28
申请人 RIPLEY MICHAEL S. 发明人 RIPLEY MICHAEL S.
分类号 G11B20/00;(IPC1-7):H04L9/32 主分类号 G11B20/00
代理机构 代理人
主权项
地址