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(A2) 申请公布日期 2007.01.04
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 代理人
主权项
地址