发明名称 |
ACCESS-CONTROLLED DATA STORAGE MEDIUM |
摘要 |
<p>The invention relates to a data carrier (1) having a semiconductor chip (5). In order to prevent an attacker from determining secret data of the chip (5) from intercepted signal patterns of the chip (5), security-relevant operations are performed only with commands or command strings of the operating program whose use does not permit the processed data to be inferred from the signal patterns.</p> |
申请公布号 |
EP1080454(A1) |
申请公布日期 |
2001.03.07 |
申请号 |
EP19990924992 |
申请日期 |
1999.05.17 |
申请人 |
GIESECKE & DEVRIENT GMBH |
发明人 |
VATER, HARALD;DREXLER, HERMANN;JOHNSON, ERIC |
分类号 |
G07F7/10;G06F1/00;G06F12/14;G06F21/06;G06F21/24;G06K19/073;(IPC1-7):G07F7/10 |
主分类号 |
G07F7/10 |
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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