发明名称 |
METHOD FOR PROTECTING CONFIDENTIAL DATA |
摘要 |
The invention relates to a method for protecting confidential data. According to the invention, data is stored in a memory (4) of a portable data carrier (1). Status information is allocated to the stored data and is modified at least during a first reading access to the data. |
申请公布号 |
WO2007000296(A3) |
申请公布日期 |
2007.09.27 |
申请号 |
WO2006EP06130 |
申请日期 |
2006.06.26 |
申请人 |
GIESECKE & DEVRIENT GMBH;HEINRICH, HANS-JUERGEN |
发明人 |
HEINRICH, HANS-JUERGEN |
分类号 |
G06F21/77;G06F21/79 |
主分类号 |
G06F21/77 |
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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