发明授权
US06912634B2 Verifying the integrity of a media key block by storing validation data in a validation area of media
失效
通过将验证数据存储在媒体验证区域来验证媒体密钥块的完整性
- 专利标题： Verifying the integrity of a media key block by storing validation data in a validation area of media
- 专利标题（中）： 通过将验证数据存储在媒体验证区域来验证媒体密钥块的完整性
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申请号： US09973547申请日： 2001-10-09
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公开(公告)号： US06912634B2公开(公告)日： 2005-06-28
- 发明人: Micheal S. Ripley , Jeffrey B. Lotspiech , Atsushi Ishihara , Taku Kato , Yoshihisa Fukushima
- 申请人： Micheal S. Ripley , Jeffrey B. Lotspiech , Atsushi Ishihara , Taku Kato , Yoshihisa Fukushima
- 申请人地址： US CA Santa Clara
- 专利权人： Intel Corporation
- 当前专利权人： Intel Corporation
- 当前专利权人地址： US CA Santa Clara
- 代理商 Libby H. Hope
- 主分类号： G06F12/14
- IPC分类号： G06F12/14 ; G11B7/004 ; G11B7/005 ; G11B7/007 ; G11B20/00 ; G11B20/10 ; G11B20/12
摘要：
A method for verifying the integrity of a media key block (MKB) by storing validation data in a validation area of a medium, such as a DVD-R or a DVD-RW. In one embodiment, validation data comprises a hash function on a media key block. In another embodiment, validation data comprises the Verification Data field of an MKB's Verify Media Key Record.
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