| 发明名称 |
Chip card key security system for Data Encryption Standard (DES) keys uses partial comparison |
| 摘要 |
<p>A chip card key security system compares (18) a stored (14) intermediate result after X iterations and a random delay with the inverse result from the rest of the N iteration sequence and only confirms the encryption if the results are compatible.</p> |
| 申请公布号 |
FR2829331(A1) |
申请公布日期 |
2003.03.07 |
| 申请号 |
FR20010011430 |
申请日期 |
2001.09.04 |
| 申请人 |
STMICROELECTRONICS SA |
发明人 |
LIARDET PIERRE YVAN;CHABANNE HERVE |
| 分类号 |
H04L9/10;H04L9/06;(IPC1-7):H04L9/06;H04L9/32 |
主分类号 |
H04L9/10 |
| 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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