| 发明名称 |
Data authentication system |
| 摘要 |
A data processing system, apparatus and method are provided to verify and validate data. Cryptographic processes employ keys to encrypt the data, check the data and prevent tampering with the data. The data may include header information such as compressed contents or an expansion processing program used to process the data.
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| 申请公布号 |
US7373506(B2) |
申请公布日期 |
2008.05.13 |
| 申请号 |
US20010937120 |
申请日期 |
2001.12.17 |
| 申请人 |
SONY CORPORATION |
发明人 |
ASANO TOMOYUKI;ISHIBASHI YOSHIHITO;SHIRAI TAIZO;AKISHITA TORU |
| 分类号 |
H04L9/00;H04N5/91;G06F1/00;G06F11/30;G06F21/00;G06F21/10;G06F21/24;G06F21/64;G09C1/00;G11B20/00;G11B20/10;H04H1/00;H04L9/32;H04N7/167 |
主分类号 |
H04L9/00 |
| 代理机构 |
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