| 发明名称 |
METHOD AND DEVICE FOR PROTECTING DIGITAL DATA STORED IN A MEMORY |
| 摘要 |
The invention concerns a method for protecting digital data stored in a memory (4) and previously encrypted with an encryption key. The inventive method is characterized in that said encryption key is dynamically defined on the basis of at least one operating parameter intrinsic to said smart card. |
| 申请公布号 |
EP1493072(A1) |
申请公布日期 |
2005.01.05 |
| 申请号 |
EP20030745811 |
申请日期 |
2003.04.02 |
| 申请人 |
CANAL + TECHNOLOGIES |
发明人 |
DAUVOIS, JEAN LUC |
| 分类号 |
G06F21/02;G06F21/24;G06F21/00;H04L9/10;(IPC1-7):G06F1/00 |
主分类号 |
G06F21/02 |
| 代理机构 |
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