| 发明名称 |
Unauthorized access embedded software protection system |
| 摘要 |
An operational system (10) includes a seed-bearing device (12) that has a seed (22). A key-determinative device (14) determines a key in response to the seed (22). A code-determinative device determines the code in response to the key. A controller performs a task in response to the code.
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| 申请公布号 |
US2005055571(A1) |
申请公布日期 |
2005.03.10 |
| 申请号 |
US20030658159 |
申请日期 |
2003.09.09 |
| 申请人 |
WOODSON ALAN DENNIS |
发明人 |
WOODSON ALAN DENNIS |
| 分类号 |
G06F21/00;H04L9/32;(IPC1-7):H04L9/00 |
主分类号 |
G06F21/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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