发明名称 |
Verifying the integrity of a media key block by storing validation data in a validation area of media |
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.
|
申请公布号 |
US2002087818(A1) |
申请公布日期 |
2002.07.04 |
申请号 |
US20010973547 |
申请日期 |
2001.10.09 |
申请人 |
RIPLEY MICHEAL S.;LOTSPIECH JEFFREY B.;ISHIHARA ATSUSHI;KATO TAKU;FUKUSHIMA YOSHIHISA |
发明人 |
RIPLEY MICHEAL S.;LOTSPIECH JEFFREY B.;ISHIHARA ATSUSHI;KATO TAKU;FUKUSHIMA YOSHIHISA |
分类号 |
G06F12/14;G11B7/004;G11B7/005;G11B7/007;G11B20/00;G11B20/10;G11B20/12;(IPC1-7):G06F12/14 |
主分类号 |
G06F12/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|